/* roulang page: index */
:root {
            --navy: #0f2a4a;
            --navy-light: #1a3d66;
            --navy-dark: #081c33;
            --navy-mid: #142e50;
            --gold: #d4a853;
            --gold-light: #e8c87a;
            --gold-dark: #b88a3a;
            --bg: #FAF9F7;
            --bg-warm: #f4f0eb;
            --text: #2d2d2d;
            --text-soft: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: rgba(15, 42, 74, 0.08);
            --border-gold: rgba(212, 168, 83, 0.35);
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow: 0 4px 20px rgba(15, 42, 74, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 42, 74, 0.12);
            --shadow-gold: 0 4px 20px rgba(212, 168, 83, 0.15);
            --gradient-brand: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 55%, var(--gold-dark) 130%);
            --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
            --gradient-card: linear-gradient(135deg, rgba(15,42,74,0.03) 0%, rgba(212,168,83,0.06) 100%);
            --gradient-border: linear-gradient(135deg, var(--navy), var(--gold));
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--navy);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--gold-dark);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
            margin: 0;
        }

        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            padding: 0;
            color: var(--navy);
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.02em;
        }

        p {
            margin: 0;
            padding: 0;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-tight {
            padding: 60px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }

        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 999px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .badge-gold {
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-dark);
            border: 1px solid var(--border-gold);
        }

        .badge-navy {
            background: rgba(15, 42, 74, 0.06);
            color: var(--navy);
            border: 1px solid var(--border);
        }

        .badge-solid-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .badge-solid-navy {
            background: var(--navy);
            color: #fff;
            border: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.2;
            border-radius: var(--radius);
            padding: 14px 28px;
            min-height: 46px;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .btn:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 3px;
            box-shadow: 0 0 0 6px rgba(212, 168, 83, 0.2);
        }

        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(15, 42, 74, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--gold-dark) 140%);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(15, 42, 74, 0.35);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(15, 42, 74, 0.2);
        }

        .btn-secondary {
            background: transparent;
            color: var(--navy);
            border: 1px solid var(--navy);
        }

        .btn-secondary:hover {
            background: rgba(15, 42, 74, 0.05);
            border-color: var(--navy-light);
            color: var(--navy-dark);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--gradient-gold);
            color: var(--navy-dark);
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold) 50%, var(--gold-light) 100%);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 83, 0.35);
            color: var(--navy-dark);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
            min-height: 38px;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
            min-height: 52px;
            border-radius: var(--radius);
        }

        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .card-gold-border {
            border: 1px solid transparent;
            background:
                linear-gradient(white, white) padding-box,
                var(--gradient-border) border-box;
            border-radius: var(--radius-xl);
        }

        .stat-number {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--navy);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            border-radius: var(--radius);
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .data-badge:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-gold);
        }

        .data-badge .number {
            font-size: 24px;
            font-weight: 800;
            color: var(--navy);
            line-height: 1.2;
        }

        .data-badge .label {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            line-height: 1.3;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(15, 42, 74, 0.08);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--navy);
        }

        .brand-logo:hover {
            color: var(--navy);
        }

        .brand-logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            box-shadow: 0 4px 12px rgba(15, 42, 74, 0.25);
        }

        .brand-logo-text {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .brand-logo-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--navy);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .brand-logo-tagline {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            line-height: 1.2;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 8px 16px;
            transition: all var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.15);
        }

        .header-search input {
            border: none;
            background: transparent;
            font-size: 14px;
            color: var(--text);
            outline: none;
            width: 140px;
            font-family: inherit;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        /* Icon Grid Nav */
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 10px 0 14px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }

        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 14px 18px;
            border-radius: var(--radius);
            text-decoration: none;
            color: var(--text-soft);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            flex-shrink: 0;
            min-width: 72px;
        }

        .nav-icon-item:hover {
            color: var(--gold-dark);
            background: rgba(212, 168, 83, 0.06);
            transform: translateY(-2px);
        }

        .nav-icon-item.active {
            color: var(--gold-dark);
            background: rgba(212, 168, 83, 0.1);
        }

        .nav-icon-item.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 2px;
            background: var(--gradient-gold);
        }

        .nav-icon-box {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(15, 42, 74, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            color: var(--navy);
        }

        .nav-icon-item:hover .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 42, 74, 0.25);
        }

        .nav-icon-item.active .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 42, 74, 0.25);
        }

        /* Mobile hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition);
        }

        .hamburger:hover {
            background: rgba(15, 42, 74, 0.05);
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--navy);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 16px 0;
            max-height: 60vh;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 10px;
            transition: all var(--transition);
        }

        .mobile-menu a:hover {
            background: rgba(212, 168, 83, 0.08);
            color: var(--gold-dark);
        }

        .mobile-menu a.active {
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-dark);
            font-weight: 600;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background-image: var(--gradient-brand);
            overflow: hidden;
            border-radius: 0 0 32px 32px;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 28, 51, 0.92) 0%, rgba(15, 42, 74, 0.85) 45%, rgba(212, 168, 83, 0.35) 100%);
            z-index: 1;
        }

        .hero-decoration {
            position: absolute;
            top: -60px;
            right: -40px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.18) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-decoration-2 {
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            width: 100%;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-title {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            line-height: 1.25;
        }

        .hero-title .highlight {
            background: var(--gradient-gold);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            max-width: 500px;
            margin-bottom: 28px;
            letter-spacing: 0.02em;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-badge-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
            padding: 12px 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-badge-item .number {
            font-size: 26px;
            font-weight: 800;
            color: var(--gold-light);
            line-height: 1.2;
        }

        .hero-badge-item .label {
            font-size: 12px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.04em;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 32px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            width: 100%;
            max-width: 420px;
            box-shadow: 0 20px 60px rgba(8, 28, 51, 0.4);
        }

        .hero-visual-card .visual-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .hero-visual-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-visual-row:last-child {
            border-bottom: none;
        }

        .hero-visual-row .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .dot-gold {
            background: var(--gold);
        }

        .dot-green {
            background: #5cb85c;
        }

        .dot-blue {
            background: #4a90d9;
        }

        .hero-visual-row .text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        .hero-visual-row .value {
            margin-left: auto;
            font-size: 15px;
            font-weight: 700;
            color: var(--gold-light);
        }

        /* Feature group */
        .feature-group-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
            margin-bottom: 24px;
        }

        .feature-card-main {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 32px;
            position: relative;
            border: 1px solid transparent;
            background:
                linear-gradient(#fff, #fff) padding-box,
                var(--gradient-border) border-box;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .feature-card-main:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .feature-card-side {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .feature-card-side:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .feature-side-row {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feature-item-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
        }

        .feature-item-desc {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* Timeline / horizontal scroll cards */
        .scroll-cards {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .scroll-cards::-webkit-scrollbar {
            display: none;
        }

        .scroll-card {
            flex: 0 0 320px;
            scroll-snap-align: start;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .scroll-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .scroll-card-image {
            width: 100%;
            height: 160px;
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 16px;
            background: var(--bg-warm);
        }

        .scroll-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scroll-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
        }

        .scroll-card-text {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .scroll-card-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-dark);
        }

        /* Case cards */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .case-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .case-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .case-stat {
            font-size: 28px;
            font-weight: 800;
            color: var(--navy);
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }

        .case-stat-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .case-text {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* Price cards */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
            align-items: stretch;
        }

        .price-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .price-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .price-card.featured {
            background: var(--gradient-brand);
            border: none;
            box-shadow: 0 8px 30px rgba(15, 42, 74, 0.3);
            transform: scale(1.03);
            z-index: 2;
        }

        .price-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
            box-shadow: 0 14px 40px rgba(15, 42, 74, 0.4);
        }

        .price-card .price-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--navy);
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .price-card.featured .price-name {
            color: var(--gold-light);
        }

        .price-card .price-amount {
            font-size: 36px;
            font-weight: 800;
            color: var(--navy);
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }

        .price-card.featured .price-amount {
            color: #fff;
        }

        .price-card .price-unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .price-card.featured .price-unit {
            color: rgba(255, 255, 255, 0.7);
        }

        .price-features-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 24px;
            flex: 1;
        }

        .price-features-list li {
            font-size: 14px;
            color: var(--text-soft);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .price-card.featured .price-features-list li {
            color: rgba(255, 255, 255, 0.85);
        }

        .price-features-list li::before {
            content: '✓';
            color: var(--gold-dark);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .price-card.featured .price-features-list li::before {
            color: var(--gold-light);
        }

        /* Brand intro */
        .brand-intro-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow);
        }

        .brand-intro-text {
            font-size: 16px;
            color: var(--text);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        /* News */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            align-items: stretch;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border-left: 3px solid transparent;
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-left-color: var(--gold);
        }

        .news-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 72px;
            min-height: 72px;
            background: rgba(212, 168, 83, 0.12);
            border-radius: var(--radius);
            padding: 12px;
            flex-shrink: 0;
        }

        .news-date .day {
            font-size: 26px;
            font-weight: 800;
            color: var(--navy);
            line-height: 1.1;
        }

        .news-date .month {
            font-size: 12px;
            font-weight: 600;
            color: var(--gold-dark);
            letter-spacing: 0.06em;
        }

        .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }

        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--navy);
            line-height: 1.4;
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            align-self: flex-start;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-dark);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-link:hover {
            color: var(--navy);
            gap: 8px;
        }

        /* Deep content */
        .deep-content-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow);
            max-width: 820px;
            margin: 0 auto;
        }

        .deep-content-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .deep-content-card p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .deep-content-card p:last-child {
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--navy);
            cursor: pointer;
            user-select: none;
            transition: all var(--transition);
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }

        .faq-question:hover {
            color: var(--gold-dark);
        }

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--gold-dark);
            font-size: 18px;
            font-weight: 700;
            transition: all var(--transition);
        }

        .faq-item.active .faq-question .faq-icon {
            background: var(--gradient-gold);
            color: var(--navy);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition);
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 0 20px;
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(15, 42, 74, 0.25);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -30px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 20px;
        }

        .cta-title {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .cta-text {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            max-width: 600px;
        }

        /* Footer */
        .site-footer {
            background: var(--navy-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 60px;
            margin-top: 60px;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-gold);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand-name {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 280px;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-light);
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(212, 168, 83, 0.3);
            background: rgba(212, 168, 83, 0.1);
        }

        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-bottom-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition);
        }

        .footer-bottom-links a:hover {
            color: var(--gold-light);
        }

        /* Task progress */
        .progress-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow);
        }

        .progress-bar {
            width: 100%;
            height: 10px;
            background: rgba(15, 42, 74, 0.08);
            border-radius: 999px;
            overflow: hidden;
            margin-bottom: 20px;
        }

        .progress-bar-fill {
            height: 100%;
            background: var(--gradient-gold);
            border-radius: 999px;
            transition: width 1s ease;
        }

        .progress-steps {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .progress-step {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            border-radius: var(--radius);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .progress-step.completed {
            background: rgba(212, 168, 83, 0.08);
            border-color: var(--border-gold);
        }

        .progress-step-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .progress-step.completed .progress-step-icon {
            background: var(--gradient-gold);
            border-color: var(--gold);
            color: var(--navy);
        }

        .progress-step-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            flex: 1;
        }

        .progress-step.completed .progress-step-text {
            color: var(--navy);
        }

        .progress-step-reward {
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-dark);
        }

        /* Data analysis */
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .analysis-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .analysis-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .analysis-value {
            font-size: 30px;
            font-weight: 800;
            color: var(--navy);
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }

        .analysis-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .analysis-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: #5cb85c;
        }

        .analysis-trend.down {
            color: #e05c5c;
        }

        /* Live preview */
        .live-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .live-card-header {
            padding: 24px;
            background: var(--gradient-brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .live-card-header h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .live-timer {
            font-size: 16px;
            font-weight: 700;
            color: var(--gold-light);
            letter-spacing: 0.06em;
        }

        .live-card-body {
            padding: 24px;
        }

        .live-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .live-item:last-child {
            border-bottom: none;
        }

        .live-item-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.8);
            }
        }

        .live-item-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            flex: 1;
        }

        .live-item-time {
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-dark);
        }

        /* Responsive */
        @media (max-width: 1280px) {
            .container {
                max-width: 1080px;
            }
            .container-wide {
                max-width: 1180px;
            }
            .hero-title {
                font-size: 32px;
            }
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                justify-content: flex-start;
            }
            .feature-group-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-title {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-icon-grid {
                display: none;
            }
            .hero {
                min-height: 480px;
            }
            .hero-content {
                padding: 56px 0;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-badges {
                gap: 8px;
            }
            .hero-badge-item {
                padding: 10px 14px;
            }
            .hero-badge-item .number {
                font-size: 20px;
            }
            .hero-visual-card {
                padding: 20px;
                max-width: 100%;
            }
            .price-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .price-card.featured {
                transform: scale(1);
            }
            .price-card.featured:hover {
                transform: scale(1) translateY(-4px);
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-date {
                flex-direction: row;
                min-width: auto;
                min-height: auto;
                gap: 8px;
                justify-content: flex-start;
                padding: 8px 14px;
            }
            .news-summary {
                -webkit-line-clamp: 2;
            }
            .deep-content-card {
                padding: 24px;
            }
            .brand-intro-card {
                padding: 24px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-title {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .scroll-card {
                flex: 0 0 260px;
                padding: 18px;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .analysis-grid {
                grid-template-columns: 1fr 1fr;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
                gap: 10px;
            }
            .faq-answer {
                padding: 0 18px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .hero {
                min-height: 440px;
                border-radius: 0 0 20px 20px;
            }
            .hero-title {
                font-size: 22px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-actions {
                gap: 10px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
                min-height: 40px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 15px;
                min-height: 46px;
            }
            .section-title {
                font-size: 20px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .feature-card-main,
            .feature-card-side {
                padding: 20px;
            }
            .price-card {
                padding: 24px;
            }
            .price-card .price-amount {
                font-size: 28px;
            }
            .news-title {
                font-size: 15px;
            }
            .news-summary {
                font-size: 13px;
                -webkit-line-clamp: 2;
            }
            .analysis-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                font-size: 12px;
            }
            .footer-bottom-links {
                gap: 8px;
            }
            .brand-logo-name {
                font-size: 17px;
            }
            .brand-logo-tagline {
                font-size: 10px;
            }
            .brand-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
                border-radius: 10px;
            }
            .progress-card {
                padding: 20px;
            }
            .live-card-header {
                padding: 18px;
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
            .live-card-body {
                padding: 18px;
            }
            .deep-content-card {
                padding: 20px;
            }
            .deep-content-card h3 {
                font-size: 18px;
            }
            .deep-content-card p {
                font-size: 14px;
            }
            .brand-intro-text {
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --navy: #0f2a4a;
            --navy-light: #1a3d66;
            --navy-dark: #081c33;
            --navy-mid: #142e50;
            --gold: #d4a853;
            --gold-light: #e8c87a;
            --gold-dark: #b88a3a;
            --bg: #FAF9F7;
            --bg-warm: #f4f0eb;
            --text: #2d2d2d;
            --text-soft: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: rgba(15, 42, 74, 0.08);
            --border-gold: rgba(212, 168, 83, 0.35);
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow: 0 4px 20px rgba(15, 42, 74, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 42, 74, 0.12);
            --shadow-gold: 0 4px 20px rgba(212, 168, 83, 0.15);
            --gradient-brand: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 55%, var(--gold-dark) 130%);
            --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
            --gradient-card: linear-gradient(135deg, rgba(15,42,74,0.03) 0%, rgba(212,168,83,0.06) 100%);
            --gradient-border: linear-gradient(135deg, var(--navy), var(--gold));
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--navy);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--gold-dark);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
            margin: 0;
        }
        input {
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-tight {
            padding: 60px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }
        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 999px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .badge-gold {
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-dark);
            border: 1px solid var(--border-gold);
        }
        .badge-navy {
            background: rgba(15, 42, 74, 0.06);
            color: var(--navy);
            border: 1px solid var(--border);
        }
        .badge-solid-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .badge-solid-navy {
            background: var(--navy);
            color: #fff;
            border: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.2;
            border-radius: var(--radius);
            padding: 14px 28px;
            min-height: 46px;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .btn:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 3px;
            box-shadow: 0 0 0 6px rgba(212, 168, 83, 0.2);
        }
        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(15, 42, 74, 0.25);
        }
        .btn-primary:hover {
            box-shadow: 0 8px 24px rgba(15, 42, 74, 0.32);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn-gold:hover {
            box-shadow: 0 8px 24px rgba(212, 168, 83, 0.3);
            transform: translateY(-2px);
            color: var(--navy);
        }
        .btn-outline {
            background: transparent;
            color: var(--navy);
            border: 1px solid var(--navy);
        }
        .btn-outline:hover {
            background: rgba(15, 42, 74, 0.06);
            color: var(--navy);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 249, 247, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 42, 74, 0.04);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 42, 74, 0.2);
        }
        .brand-logo-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--navy);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .brand-logo-tag {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 400;
            letter-spacing: 0.04em;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 14px;
            color: var(--text-muted);
            transition: all var(--transition);
        }
        .header-search:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow);
        }
        .header-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text);
            width: 140px;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .mobile-menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--navy);
            color: #fff;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            transition: background var(--transition);
        }
        .mobile-menu-toggle:hover {
            background: var(--navy-light);
        }
        .mobile-menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
        }
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 0 16px;
            flex-wrap: wrap;
        }
        .nav-icon-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-icon-item .nav-icon-box {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(15, 42, 74, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }
        .nav-icon-item:hover {
            color: var(--gold-dark);
            background: rgba(212, 168, 83, 0.05);
        }
        .nav-icon-item:hover .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 42, 74, 0.2);
        }
        .nav-icon-item.active {
            color: var(--navy);
            font-weight: 600;
            background: rgba(212, 168, 83, 0.08);
            border: 1px solid var(--border-gold);
        }
        .nav-icon-item.active .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 42, 74, 0.25);
        }
        .mobile-nav {
            display: none;
            padding: 0 0 16px;
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav .nav-icon-item {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 14px;
            border-radius: 12px;
            border-bottom: 1px solid var(--border);
            border-radius: 0;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-soft);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--gold-dark);
        }
        .breadcrumb .breadcrumb-sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .breadcrumb-current {
            color: var(--navy);
            font-weight: 600;
        }

        /* Hero - Full-width gradient hero */
        .hero-fullwidth {
            background: var(--gradient-brand);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .hero-fullwidth::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.08);
            pointer-events: none;
        }
        .hero-fullwidth::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .hero-fullwidth-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }
        .hero-fullwidth h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
        .hero-fullwidth .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 640px;
        }
        .hero-stats-row {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-stat-value {
            font-size: 32px;
            font-weight: 700;
            color: var(--gold-light);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-padding {
            padding: 28px;
        }
        .card-image {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-text {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.8;
        }
        .metric-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 999px;
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-dark);
            border: 1px solid var(--border-gold);
            margin-bottom: 12px;
        }
        .metric-value {
            font-size: 42px;
            font-weight: 700;
            color: var(--navy);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .metric-value.gold {
            color: var(--gold-dark);
        }
        .divider {
            height: 1px;
            background: var(--border);
            margin: 20px 0;
        }

        /* Two-column grid */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .grid-2 .card {
            height: 100%;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 168, 83, 0.25);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            transition: background var(--transition);
            user-select: none;
            font-weight: 600;
            font-size: 16px;
            color: var(--navy);
            line-height: 1.5;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            background: rgba(212, 168, 83, 0.04);
        }
        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(15, 42, 74, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            font-weight: 700;
            color: var(--gold-dark);
            transition: all var(--transition);
        }
        .faq-question .faq-arrow {
            margin-left: auto;
            font-size: 18px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--gold-dark);
        }
        .faq-item.open .faq-question {
            background: rgba(212, 168, 83, 0.04);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
        }
        .faq-answer-inner {
            padding: 0 24px 24px 70px;
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.8;
        }

        /* CTA */
        .cta-ribbon {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: 0 8px 32px rgba(15, 42, 74, 0.2);
            position: relative;
            overflow: hidden;
        }
        .cta-ribbon::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.08);
            pointer-events: none;
        }
        .cta-ribbon-content {
            position: relative;
            z-index: 2;
        }
        .cta-ribbon h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-ribbon p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            max-width: 480px;
            line-height: 1.7;
        }
        .cta-ribbon .btn {
            position: relative;
            z-index: 2;
        }

        /* Deep content section */
        .deep-content {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 40px 44px;
        }
        .deep-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .deep-content p {
            font-size: 16px;
            color: var(--text-soft);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-content p:last-child {
            margin-bottom: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--navy-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 60px;
            border-top: 4px solid var(--gold);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .brand-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
        }
        .brand-logo-name {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .footer-intro {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
            color: rgba(255, 255, 255, 0.65);
            max-width: 280px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color var(--transition);
            font-size: 14px;
        }
        .footer-links a:hover {
            color: var(--gold-light);
        }
        .footer-links li {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
        }
        .footer-bottom-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--gold-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .footer-grid > div:last-child {
                grid-column: span 3;
            }
            .hero-fullwidth h1 {
                font-size: 30px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .header-search {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-icon-grid {
                display: none;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.open {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-grid > div:last-child {
                grid-column: span 2;
            }
            .hero-fullwidth {
                padding: 60px 0;
            }
            .hero-fullwidth h1 {
                font-size: 26px;
            }
            .hero-fullwidth .hero-sub {
                font-size: 15px;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-value {
                font-size: 24px;
            }
            .deep-content {
                padding: 28px 24px;
            }
            .cta-ribbon {
                padding: 40px 28px;
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-fullwidth h1 {
                font-size: 22px;
            }
            .hero-fullwidth .hero-sub {
                font-size: 14px;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid > div:last-child {
                grid-column: span 1;
            }
            .card-padding {
                padding: 20px;
            }
            .deep-content {
                padding: 20px 16px;
            }
            .deep-content h3 {
                font-size: 17px;
            }
            .deep-content p {
                font-size: 14px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-answer-inner {
                padding: 0 18px 18px 56px;
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
:root {
            --navy: #0f2a4a;
            --navy-light: #1a3d66;
            --navy-dark: #081c33;
            --navy-mid: #142e50;
            --gold: #d4a853;
            --gold-light: #e8c87a;
            --gold-dark: #b88a3a;
            --bg: #FAF9F7;
            --bg-warm: #f4f0eb;
            --text: #2d2d2d;
            --text-soft: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: rgba(15, 42, 74, 0.08);
            --border-gold: rgba(212, 168, 83, 0.35);
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow: 0 4px 20px rgba(15, 42, 74, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 42, 74, 0.12);
            --shadow-gold: 0 4px 20px rgba(212, 168, 83, 0.15);
            --gradient-brand: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 55%, var(--gold-dark) 130%);
            --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
            --gradient-card: linear-gradient(135deg, rgba(15, 42, 74, 0.03) 0%, rgba(212, 168, 83, 0.06) 100%);
            --gradient-border: linear-gradient(135deg, var(--navy), var(--gold));
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--navy);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--gold-dark);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
            margin: 0;
        }
        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-tight {
            padding: 56px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }
        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 999px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .badge-gold {
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-dark);
            border: 1px solid var(--border-gold);
        }
        .badge-navy {
            background: rgba(15, 42, 74, 0.06);
            color: var(--navy);
            border: 1px solid var(--border);
        }
        .badge-solid-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .badge-solid-navy {
            background: var(--navy);
            color: #fff;
            border: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.2;
            border-radius: var(--radius);
            padding: 14px 28px;
            min-height: 46px;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .btn:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 3px;
            box-shadow: 0 0 0 6px rgba(212, 168, 83, 0.2);
        }
        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(15, 42, 74, 0.2);
        }
        .btn-primary:hover {
            box-shadow: 0 8px 24px rgba(15, 42, 74, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-secondary {
            background: transparent;
            color: var(--navy);
            border: 1px solid var(--navy);
        }
        .btn-secondary:hover {
            background: rgba(15, 42, 74, 0.05);
            border-color: var(--gold-dark);
            color: var(--gold-dark);
            transform: translateY(-2px);
        }
        .btn-gold-outline {
            background: transparent;
            color: var(--gold-light);
            border: 1px solid var(--gold);
        }
        .btn-gold-outline:hover {
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        /* Header / Nav */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(15, 42, 74, 0.04);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .brand-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--gradient-brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-logo-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--navy);
            letter-spacing: 0.02em;
        }
        .brand-tagline {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.06em;
        }
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0 0 14px 0;
            flex-wrap: wrap;
        }
        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: 12px;
            text-decoration: none;
            transition: all var(--transition);
            min-width: 64px;
            position: relative;
        }
        .nav-icon-item:hover {
            background: rgba(15, 42, 74, 0.04);
        }
        .nav-icon-item .nav-icon-box {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--navy);
            transition: all var(--transition);
            background: rgba(15, 42, 74, 0.04);
        }
        .nav-icon-item:hover .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
        }
        .nav-icon-item span {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-soft);
            transition: color var(--transition);
        }
        .nav-icon-item:hover span {
            color: var(--gold-dark);
        }
        .nav-icon-item.active {
            background: rgba(15, 42, 74, 0.04);
        }
        .nav-icon-item.active .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
        }
        .nav-icon-item.active span {
            color: var(--navy);
            font-weight: 700;
        }
        .nav-icon-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: 2px;
            background: var(--gradient-gold);
        }
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            color: var(--navy);
            font-size: 20px;
            background: #fff;
        }
        .mobile-nav-panel {
            display: none;
            padding: 12px 0 16px;
            border-top: 1px solid var(--border);
            background: #fff;
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel .nav-icon-grid {
            flex-wrap: wrap;
            gap: 8px;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 16px 0 0;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-wrap a {
            color: var(--navy);
        }
        .breadcrumb-wrap a:hover {
            color: var(--gold-dark);
        }
        .breadcrumb-sep {
            margin: 0 8px;
            color: var(--text-muted);
        }

        /* Category Hero - 横向图文 */
        .cat-hero {
            position: relative;
            padding: 56px 0 64px;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }
        .cat-hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .cat-hero-text .section-label {
            margin-bottom: 16px;
        }
        .cat-hero-text h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--navy);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .cat-hero-text .hero-desc {
            font-size: 17px;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .cat-hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cat-hero-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
            background: var(--bg-warm);
            aspect-ratio: 4/3;
        }
        .cat-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cat-hero-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, rgba(15,42,74,0.15) 0%, rgba(212,168,83,0.08) 100%);
            pointer-events: none;
        }

        /* Main Layout - 垂直列表 + 右侧数据侧边栏 */
        .cat-main-section {
            padding: 56px 0;
            background: var(--bg);
        }
        .cat-main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }
        .cat-list-panel {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .cat-list-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all var(--transition);
            box-shadow: var(--shadow);
            text-decoration: none;
        }
        .cat-list-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--border-gold);
        }
        .cat-list-item-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--gradient-card);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--gold-dark);
            font-weight: 700;
            font-size: 18px;
        }
        .cat-list-item-content {
            flex: 1;
            min-width: 0;
        }
        .cat-list-item-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--navy);
            margin-bottom: 4px;
        }
        .cat-list-item-content p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.6;
            margin: 0;
        }
        .cat-list-item-arrow {
            color: var(--text-muted);
            font-size: 18px;
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .cat-list-item:hover .cat-list-item-arrow {
            transform: translateX(4px);
            color: var(--gold-dark);
        }

        /* Sidebar data badges */
        .cat-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .sidebar-data-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 20px;
            box-shadow: var(--shadow);
            text-align: center;
        }
        .sidebar-data-card .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--navy);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .sidebar-data-card .stat-number span {
            font-size: 16px;
            font-weight: 500;
            color: var(--gold-dark);
            margin-left: 2px;
        }
        .sidebar-data-card .stat-label {
            font-size: 14px;
            color: var(--text-soft);
            margin-top: 4px;
        }
        .sidebar-data-card.gold {
            background: var(--gradient-gold);
            border: none;
        }
        .sidebar-data-card.gold .stat-number {
            color: var(--navy);
        }
        .sidebar-data-card.gold .stat-label {
            color: var(--navy);
            font-weight: 500;
        }
        .sidebar-mini-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow);
            text-decoration: none;
        }
        .sidebar-mini-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-hover);
        }
        .sidebar-mini-card .mini-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gradient-card);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--navy);
            flex-shrink: 0;
        }
        .sidebar-mini-card .mini-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
        }

        /* Deep content */
        .cat-deep-content {
            padding: 56px 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .deep-content-card {
            background: var(--gradient-card);
            border-radius: var(--radius-xl);
            padding: 40px 48px;
            max-width: 760px;
            margin: 0 auto;
            border: 1px solid var(--border);
        }
        .deep-content-card p {
            font-size: 16px;
            color: var(--text-soft);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-content-card p:last-child {
            margin-bottom: 0;
        }
        .deep-content-card h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
        }

        /* CTA */
        .cat-cta {
            padding: 56px 0;
            background: var(--bg);
        }
        .cta-banner {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-hover);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(212,168,83,0.2);
            pointer-events: none;
        }
        .cta-banner-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-banner-text p {
            font-size: 15px;
            color: rgba(255,255,255,0.8);
            max-width: 480px;
            line-height: 1.7;
            margin: 0;
        }
        .cta-banner-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* FAQ */
        .cat-faq {
            padding: 56px 0 80px;
            background: #fff;
            border-top: 1px solid var(--border);
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: #fff;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            border-color: var(--border-gold);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--navy);
            transition: all var(--transition);
        }
        .faq-question:hover {
            background: rgba(15, 42, 74, 0.03);
        }
        .faq-arrow {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(212,168,83,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-dark);
            font-size: 12px;
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 20px 18px 56px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* Footer */
        .site-footer {
            background: var(--navy-dark);
            color: rgba(255,255,255,0.8);
            position: relative;
            border-top: 4px solid var(--gold-dark);
        }
        .footer-top {
            padding: 56px 0 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
            gap: 40px;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo .brand-logo-icon {
            background: var(--gradient-gold);
            color: var(--navy);
        }
        .footer-logo .brand-logo-name {
            color: #fff;
            font-size: 18px;
        }
        .footer-intro {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255,255,255,0.65);
            margin: 0;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px 0;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 14px;
            transition: color var(--transition);
            text-decoration: none;
        }
        .footer-links a:hover {
            color: var(--gold-light);
        }
        .footer-links li {
            color: rgba(255,255,255,0.65);
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 18px 0;
            font-size: 13px;
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: rgba(255,255,255,0.55);
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--gold-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cat-hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cat-hero-text h1 {
                font-size: 28px;
            }
            .cat-main-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section {
                padding: 56px 0;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-icon-grid {
                display: none;
            }
            .mobile-nav-panel .nav-icon-grid {
                display: flex;
                flex-wrap: wrap;
                gap: 6px;
            }
            .mobile-nav-panel .nav-icon-item {
                min-width: 56px;
                padding: 8px 10px;
            }
            .brand-tagline {
                display: none;
            }
            .cat-hero {
                padding: 36px 0 40px;
            }
            .cat-hero-text h1 {
                font-size: 24px;
            }
            .cat-hero-text .hero-desc {
                font-size: 15px;
            }
            .cat-list-item {
                flex-wrap: wrap;
                padding: 16px 18px;
            }
            .deep-content-card {
                padding: 24px 20px;
            }
            .cta-banner {
                padding: 32px 24px;
                text-align: center;
                justify-content: center;
            }
            .cta-banner-text p {
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom-links {
                flex-wrap: wrap;
                gap: 8px 12px;
            }
            .faq-answer {
                padding-left: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .cat-hero-text h1 {
                font-size: 22px;
            }
            .cat-hero-actions {
                flex-direction: column;
            }
            .cat-hero-actions .btn {
                width: 100%;
            }
            .cta-banner-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-banner-actions .btn {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --navy: #0f2a4a;
            --navy-light: #1a3d66;
            --navy-dark: #081c33;
            --navy-mid: #142e50;
            --gold: #d4a853;
            --gold-light: #e8c87a;
            --gold-dark: #b88a3a;
            --bg: #FAF9F7;
            --bg-warm: #f4f0eb;
            --text: #2d2d2d;
            --text-soft: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: rgba(15, 42, 74, 0.08);
            --border-gold: rgba(212, 168, 83, 0.35);
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow: 0 4px 20px rgba(15, 42, 74, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 42, 74, 0.12);
            --shadow-gold: 0 4px 20px rgba(212, 168, 83, 0.15);
            --gradient-brand: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 55%, var(--gold-dark) 130%);
            --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
            --gradient-card: linear-gradient(135deg, rgba(15, 42, 74, 0.03) 0%, rgba(212, 168, 83, 0.06) 100%);
            --gradient-border: linear-gradient(135deg, var(--navy), var(--gold));
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--navy);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--gold-dark);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
            margin: 0;
        }
        input {
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 70px 0;
            position: relative;
        }
        .section-tight {
            padding: 50px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }
        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .badge-gold {
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-dark);
            border: 1px solid var(--border-gold);
        }
        .badge-navy {
            background: rgba(15, 42, 74, 0.06);
            color: var(--navy);
            border: 1px solid var(--border);
        }
        .badge-outline {
            background: transparent;
            color: var(--text-soft);
            border: 1px solid var(--border);
        }
        .badge-solid-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.2;
            border-radius: var(--radius);
            padding: 13px 26px;
            min-height: 46px;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .btn:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 3px;
            box-shadow: 0 0 0 6px rgba(212, 168, 83, 0.2);
        }
        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(15, 42, 74, 0.2);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 55%, var(--gold) 130%);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(15, 42, 74, 0.28);
            color: #fff;
        }
        .btn-secondary {
            background: transparent;
            color: var(--navy);
            border: 1px solid var(--navy);
        }
        .btn-secondary:hover {
            background: rgba(15, 42, 74, 0.05);
            transform: translateY(-2px);
            color: var(--navy);
        }
        .btn-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn-gold:hover {
            background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold) 50%, var(--gold-light) 100%);
            transform: translateY(-2px);
            color: var(--navy);
            box-shadow: 0 8px 28px rgba(212, 168, 83, 0.3);
        }

        /* Header */
        .site-header {
            background: var(--navy);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(15, 42, 74, 0.12);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            gap: 20px;
        }
        .brand-logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .brand-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-logo-text {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .brand-logo-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 0.04em;
        }
        .brand-tagline {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.2;
            letter-spacing: 0.08em;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 999px;
            padding: 6px 16px;
            gap: 8px;
        }
        .header-search input {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 14px;
            width: 140px;
            outline: none;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .header-search svg {
            color: rgba(255, 255, 255, 0.6);
            flex-shrink: 0;
        }
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            padding: 8px 0 12px;
        }
        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.75);
            transition: all var(--transition);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.02em;
            min-width: 76px;
            position: relative;
        }
        .nav-icon-item:hover {
            color: var(--gold-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-icon-item.active {
            color: var(--gold-light);
            background: rgba(212, 168, 83, 0.12);
            border: 1px solid rgba(212, 168, 83, 0.25);
        }
        .nav-icon-box {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }
        .nav-icon-item:hover .nav-icon-box,
        .nav-icon-item.active .nav-icon-box {
            background: rgba(212, 168, 83, 0.22);
        }
        .nav-icon-item span {
            font-size: 12px;
            white-space: nowrap;
        }

        /* Mobile hamburger */
        .hamburger-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            align-items: center;
            justify-content: center;
            color: #fff;
            flex-shrink: 0;
        }
        .mobile-nav-panel {
            display: none;
            background: var(--navy-dark);
            padding: 16px 24px 20px;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel .nav-icon-item {
            flex-direction: row;
            align-items: center;
            gap: 12px;
            min-width: auto;
            padding: 10px 14px;
            font-size: 15px;
            border-radius: var(--radius-sm);
        }
        .mobile-nav-panel .nav-icon-item span {
            font-size: 14px;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-soft);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--gold-dark);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--navy);
            font-weight: 600;
        }

        /* Stats bar */
        .stats-bar {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            background: var(--navy);
            border-radius: var(--radius-lg);
            padding: 20px 28px;
            margin-top: 28px;
            box-shadow: var(--shadow);
        }
        .stats-item {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
            min-width: 180px;
        }
        .stats-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(212, 168, 83, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            flex-shrink: 0;
        }
        .stats-content {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .stats-number {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .stats-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.2;
        }

        /* Filter sidebar */
        .filter-sidebar {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px 20px;
            position: sticky;
            top: 140px;
        }
        .filter-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-group {
            margin-bottom: 20px;
        }
        .filter-group-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .filter-tag {
            display: block;
            width: 100%;
            text-align: left;
            padding: 9px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            margin-bottom: 4px;
        }
        .filter-tag:hover {
            background: rgba(15, 42, 74, 0.04);
            color: var(--navy);
        }
        .filter-tag.active {
            background: rgba(15, 42, 74, 0.07);
            color: var(--navy);
            border-color: var(--border);
            font-weight: 600;
        }
        .filter-tag-count {
            float: right;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 400;
        }

        /* News card for category page */
        .brand-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .brand-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border-gold);
        }
        .brand-card-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }
        .brand-card-body {
            padding: 22px 24px;
        }
        .brand-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .brand-card-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .brand-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .brand-card-excerpt {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .brand-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--navy);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.02em;
        }
        .brand-card-link:hover {
            color: var(--gold-dark);
        }

        /* Deep content */
        .deep-content-card {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 36px 40px;
        }
        .deep-content-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 20px;
            line-height: 1.4;
        }
        .deep-content-card p {
            font-size: 16px;
            color: var(--text-soft);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-content-card p:last-child {
            margin-bottom: 0;
        }
        .deep-image-block {
            display: flex;
            align-items: center;
            gap: 24px;
            margin: 24px 0;
            flex-wrap: wrap;
        }
        .deep-image-block img {
            flex: 1;
            min-width: 280px;
            border-radius: var(--radius);
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        /* FAQ */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--navy);
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--gold-dark);
        }
        .faq-icon-circle {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--navy);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 18px;
            font-weight: 700;
        }
        .faq-answer {
            padding: 0 22px 20px 72px;
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question {
            color: var(--gold-dark);
        }

        /* CTA */
        .cta-gradient {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-gradient::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.08);
            pointer-events: none;
        }
        .cta-gradient::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-content {
            flex: 1;
            min-width: 280px;
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 560px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* Footer */
        .site-footer {
            background: var(--navy-dark);
            color: rgba(255, 255, 255, 0.7);
            margin-top: 60px;
        }
        .footer-top {
            padding: 48px 0 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-intro {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 14px;
            max-width: 300px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--gold-light);
        }
        .footer-links li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-bottom {
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-bottom-content {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }
        .footer-bottom-links a:hover {
            color: var(--gold-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stats-bar {
                padding: 16px 20px;
                gap: 16px;
            }
            .stats-item {
                min-width: 150px;
            }
            .stats-number {
                font-size: 22px;
            }
        }
        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .nav-icon-grid {
                display: none;
            }
            .mobile-nav-panel {
                display: none;
            }
            .mobile-nav-panel.open {
                display: flex;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 23px;
            }
            .deep-content-card {
                padding: 24px 20px;
            }
            .filter-sidebar {
                position: static;
                margin-bottom: 20px;
            }
            .filter-tag {
                display: inline-block;
                width: auto;
                margin-bottom: 4px;
                margin-right: 4px;
                padding: 7px 12px;
                font-size: 13px;
            }
            .filter-group-label {
                margin-bottom: 6px;
            }
            .cta-gradient {
                padding: 32px 24px;
            }
            .cta-content h2 {
                font-size: 21px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-bar {
                flex-direction: row;
                overflow-x: auto;
                flex-wrap: nowrap;
                gap: 12px;
                padding: 14px 16px;
            }
            .stats-item {
                min-width: 150px;
                flex-shrink: 0;
            }
            .stats-number {
                font-size: 20px;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .brand-card-body {
                padding: 16px 18px;
            }
            .brand-card-title {
                font-size: 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .section {
                padding: 36px 0;
            }
            .brand-logo-name {
                font-size: 17px;
            }
            .brand-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 18px;
                border-radius: 10px;
            }
            .brand-tagline {
                font-size: 10px;
            }
            .stats-bar {
                padding: 12px 14px;
                gap: 10px;
            }
            .stats-icon {
                width: 36px;
                height: 36px;
            }
            .stats-number {
                font-size: 18px;
            }
            .stats-label {
                font-size: 11px;
            }
            .brand-card-title {
                font-size: 15px;
            }
            .brand-card-excerpt {
                font-size: 13px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
                gap: 10px;
            }
            .faq-answer {
                padding: 0 16px 16px 56px;
                font-size: 14px;
            }
            .faq-icon-circle {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .deep-content-card h2 {
                font-size: 20px;
            }
            .deep-content-card p {
                font-size: 15px;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 4px;
            }
            .filter-sidebar {
                padding: 16px 14px;
            }
            .filter-tag {
                font-size: 12px;
                padding: 6px 10px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 14px;
                min-height: 42px;
            }
        }

/* roulang page: category6 */
:root {
            --navy: #0f2a4a;
            --navy-light: #1a3d66;
            --navy-dark: #081c33;
            --navy-mid: #142e50;
            --gold: #d4a853;
            --gold-light: #e8c87a;
            --gold-dark: #b88a3a;
            --bg: #FAF9F7;
            --bg-warm: #f4f0eb;
            --text: #2d2d2d;
            --text-soft: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: rgba(15, 42, 74, 0.08);
            --border-gold: rgba(212, 168, 83, 0.35);
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow: 0 4px 20px rgba(15, 42, 74, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 42, 74, 0.12);
            --shadow-gold: 0 4px 20px rgba(212, 168, 83, 0.15);
            --gradient-brand: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 55%, var(--gold-dark) 130%);
            --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
            --gradient-card: linear-gradient(135deg, rgba(15,42,74,0.03) 0%, rgba(212,168,83,0.06) 100%);
            --gradient-border: linear-gradient(135deg, var(--navy), var(--gold));
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--navy);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--gold-dark);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
            margin: 0;
        }

        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 72px 0;
            position: relative;
        }

        .section-tight {
            padding: 48px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }

        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 999px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .badge-gold {
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-dark);
            border: 1px solid var(--border-gold);
        }

        .badge-navy {
            background: rgba(15, 42, 74, 0.06);
            color: var(--navy);
            border: 1px solid var(--border);
        }

        .badge-solid-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .badge-solid-navy {
            background: var(--navy);
            color: #fff;
            border: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.2;
            border-radius: var(--radius);
            padding: 14px 28px;
            min-height: 46px;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .btn:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 3px;
            box-shadow: 0 0 0 6px rgba(212, 168, 83, 0.2);
        }

        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(15, 42, 74, 0.2);
        }

        .btn-primary:hover {
            box-shadow: 0 8px 24px rgba(15, 42, 74, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--navy);
            border: 1px solid var(--navy);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: rgba(15, 42, 74, 0.05);
            border-color: var(--navy);
            transform: translateY(-2px);
            color: var(--navy);
        }

        .btn-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .btn-gold:hover {
            box-shadow: 0 8px 24px rgba(212, 168, 83, 0.3);
            transform: translateY(-2px);
            color: var(--navy);
        }

        /* Header / Nav */
        .site-header {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(15, 42, 74, 0.04);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--gradient-brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.04em;
            box-shadow: 0 4px 14px rgba(15, 42, 74, 0.2);
        }

        .brand-logo-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--navy);
            letter-spacing: 0.02em;
        }

        .brand-tagline {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.06em;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-actions .btn {
            padding: 10px 18px;
            min-height: 38px;
            font-size: 13px;
        }

        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            padding: 8px 0 14px 0;
            border-top: 1px solid var(--border);
        }

        .nav-icon-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
        }

        .nav-icon-box {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: rgba(15, 42, 74, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            flex-shrink: 0;
            color: var(--navy);
        }

        .nav-icon-item:hover {
            color: var(--gold-dark);
        }

        .nav-icon-item:hover .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
            transform: scale(1.05);
        }

        .nav-icon-item.active {
            background: rgba(15, 42, 74, 0.04);
            color: var(--navy);
            font-weight: 600;
        }

        .nav-icon-item.active .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 42, 74, 0.2);
        }

        .nav-icon-item.active span {
            color: var(--navy);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
            padding: 16px 0;
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--text-soft);
        }

        .breadcrumb a:hover {
            color: var(--gold-dark);
        }

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--navy);
            font-weight: 600;
        }

        /* Hero */
        .category-hero {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 48px 48px 40px;
            position: relative;
            overflow: hidden;
            margin-bottom: 32px;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.12);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            right: 120px;
            bottom: -60px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }

        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }

        .category-hero p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
            margin-bottom: 20px;
        }

        .category-hero .btn {
            position: relative;
            z-index: 1;
        }

        /* Stat Strip */
        .stat-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 32px;
        }

        .stat-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .stat-number .stat-unit {
            font-size: 15px;
            font-weight: 500;
            color: var(--gold-dark);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Card Grid */
        .card-grid-large {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .feature-card-img {
            aspect-ratio: 16 / 10;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .feature-card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .feature-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .feature-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .feature-card-body p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .feature-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .feature-card-footer .btn {
            padding: 8px 16px;
            min-height: 36px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        /* Deep Content */
        .deep-content {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 40px 44px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-bottom: 40px;
        }

        .deep-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--navy);
            margin-top: 24px;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .deep-content p {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .deep-content ul {
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }

        .deep-content ul li {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.8;
            padding-left: 24px;
            position: relative;
            margin-bottom: 8px;
        }

        .deep-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 12px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-gold);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--navy);
            transition: color var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--gold-dark);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(15, 42, 74, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition);
            font-size: 14px;
            color: var(--navy);
        }

        .faq-item.open .faq-icon {
            background: var(--gradient-brand);
            color: #fff;
        }

        .faq-toggle {
            margin-left: auto;
            transition: transform var(--transition);
            flex-shrink: 0;
            color: var(--text-muted);
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            color: var(--gold-dark);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.8;
            margin: 0;
        }

        /* CTA */
        .cta-band {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 48px 44px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            left: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.12);
            pointer-events: none;
        }

        .cta-band::after {
            content: '';
            position: absolute;
            right: -40px;
            bottom: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-band h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-band p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .cta-band .btn {
            position: relative;
            z-index: 1;
        }

        .cta-stats {
            display: flex;
            justify-content: center;
            gap: 32px;
            margin-top: 28px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .cta-stat {
            text-align: center;
        }

        .cta-stat .num {
            font-size: 24px;
            font-weight: 700;
            color: var(--gold-light);
            line-height: 1.2;
        }

        .cta-stat .label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
        }

        /* Footer */
        .site-footer {
            background: var(--navy-dark);
            color: rgba(255, 255, 255, 0.8);
            margin-top: 72px;
        }

        .footer-top {
            padding: 56px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            font-size: 18px;
        }

        .footer-brand .brand-logo-name {
            font-size: 20px;
            font-weight: 700;
        }

        .footer-intro {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--gold-light);
        }

        .footer-links li span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-bottom {
            padding: 20px 0;
        }

        .footer-bottom-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom-content a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom-content a:hover {
            color: var(--gold-light);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom-links a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom-links a:hover {
            color: var(--gold-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container { padding: 0 20px; }
            .container-wide { padding: 0 20px; }
            .section { padding: 56px 0; }
            .section-title { font-size: 24px; }
            .category-hero { padding: 36px 32px; }
            .category-hero h1 { font-size: 26px; }
            .stat-strip { grid-template-columns: repeat(2, 1fr); }
            .card-grid-large { grid-template-columns: repeat(2, 1fr); }
            .deep-content { padding: 32px 28px; }
            .cta-band { padding: 36px 28px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .header-brand-row { flex-wrap: wrap; gap: 8px; }
            .brand-tagline { display: none; }
            .header-actions { margin-left: auto; }
            .header-actions .btn span { display: none; }
            .header-actions .btn { padding: 10px 12px; }
            .nav-icon-grid { overflow-x: auto; flex-wrap: nowrap; gap: 2px; -webkit-overflow-scrolling: touch; }
            .nav-icon-item { flex-shrink: 0; padding: 6px 10px; font-size: 13px; }
            .nav-icon-box { width: 30px; height: 30px; }
            .section { padding: 48px 0; }
            .category-hero { padding: 28px 24px; border-radius: var(--radius-lg); }
            .category-hero h1 { font-size: 22px; }
            .stat-strip { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-item { padding: 16px; }
            .stat-number { font-size: 22px; }
            .card-grid-large { grid-template-columns: 1fr; }
            .deep-content { padding: 24px 20px; border-radius: var(--radius-lg); }
            .deep-content h2 { font-size: 20px; }
            .cta-band { padding: 28px 20px; border-radius: var(--radius-lg); }
            .cta-band h2 { font-size: 22px; }
            .cta-stats { gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom-content { flex-direction: column; align-items: flex-start; gap: 8px; }
            .footer-bottom-links { flex-wrap: wrap; gap: 8px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .container-wide { padding: 0 16px; }
            .brand-logo-name { font-size: 18px; }
            .brand-logo-icon { width: 34px; height: 34px; font-size: 16px; }
            .category-hero h1 { font-size: 20px; }
            .stat-strip { grid-template-columns: 1fr; }
            .stat-item { display: flex; align-items: center; justify-content: space-between; text-align: left; padding: 14px 16px; }
            .stat-number { font-size: 20px; }
            .stat-label { margin-top: 0; }
            .feature-card-body { padding: 16px 18px 20px; }
            .deep-content p { font-size: 14px; }
            .faq-question { font-size: 14px; padding: 14px 16px; }
            .faq-answer p { font-size: 13px; }
            .cta-band h2 { font-size: 20px; }
            .cta-band p { font-size: 14px; }
        }

        /* Utility additions */
        .text-gold { color: var(--gold-dark); }
        .text-navy { color: var(--navy); }
        .bg-warm { background: var(--bg-warm); }
        .rounded-xl-custom { border-radius: var(--radius-xl); }
        .rounded-lg-custom { border-radius: var(--radius-lg); }
        .shadow-soft { box-shadow: var(--shadow); }
        .shadow-hover-soft { box-shadow: var(--shadow-hover); }
        .transition-soft { transition: all var(--transition); }
        .gradient-text {
            background: var(--gradient-gold);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .gradient-border-card {
            border: 1px solid transparent;
            background:
                linear-gradient(#fff, #fff) padding-box,
                var(--gradient-border) border-box;
        }
        .divider-gold {
            height: 2px;
            width: 60px;
            background: var(--gradient-gold);
            border-radius: 1px;
            margin: 16px 0 20px;
        }
        .img-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category5 */
:root {
            --navy: #0f2a4a;
            --navy-light: #1a3d66;
            --navy-dark: #081c33;
            --navy-mid: #142e50;
            --gold: #d4a853;
            --gold-light: #e8c87a;
            --gold-dark: #b88a3a;
            --bg: #FAF9F7;
            --bg-warm: #f4f0eb;
            --text: #2d2d2d;
            --text-soft: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: rgba(15, 42, 74, 0.08);
            --border-gold: rgba(212, 168, 83, 0.35);
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow: 0 4px 20px rgba(15, 42, 74, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 42, 74, 0.12);
            --shadow-gold: 0 4px 20px rgba(212, 168, 83, 0.15);
            --gradient-brand: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 55%, var(--gold-dark) 130%);
            --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
            --gradient-card: linear-gradient(135deg, rgba(15, 42, 74, 0.03) 0%, rgba(212, 168, 83, 0.06) 100%);
            --gradient-border: linear-gradient(135deg, var(--navy), var(--gold));
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--navy);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--gold-dark);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
            margin: 0;
        }
        input {
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 70px 0;
            position: relative;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }
        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 999px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .badge-gold {
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-dark);
            border: 1px solid var(--border-gold);
        }
        .badge-navy {
            background: rgba(15, 42, 74, 0.06);
            color: var(--navy);
            border: 1px solid var(--border);
        }
        .badge-solid-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .badge-solid-navy {
            background: var(--navy);
            color: #fff;
            border: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.2;
            border-radius: var(--radius);
            padding: 14px 28px;
            min-height: 46px;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .btn:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 3px;
            box-shadow: 0 0 0 6px rgba(212, 168, 83, 0.2);
        }
        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(15, 42, 74, 0.2);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-light) 60%, var(--gold-dark) 140%);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(15, 42, 74, 0.28);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--gold-light);
            color: var(--gold-light);
            transform: translateY(-2px);
        }
        .btn-outline-navy {
            background: transparent;
            color: var(--navy);
            border: 1px solid var(--navy);
            box-shadow: none;
        }
        .btn-outline-navy:hover {
            background: rgba(15, 42, 74, 0.06);
            border-color: var(--gold-dark);
            color: var(--gold-dark);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 10px 20px;
            min-height: 38px;
            font-size: 14px;
            border-radius: 12px;
        }
        /* Navigation */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 16px rgba(15, 42, 74, 0.04);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .brand-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient-brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.02em;
        }
        .brand-logo-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--navy);
            letter-spacing: 0.04em;
        }
        .brand-logo-tagline {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.08em;
        }
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            padding: 8px 0 14px;
        }
        .nav-icon-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 12px;
            transition: all var(--transition);
            text-decoration: none;
            color: var(--text-soft);
            font-size: 14px;
            font-weight: 500;
            position: relative;
            white-space: nowrap;
        }
        .nav-icon-box {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            color: var(--text-soft);
        }
        .nav-icon-item:hover {
            background: var(--gradient-card);
            color: var(--navy);
        }
        .nav-icon-item:hover .nav-icon-box {
            color: var(--gold-dark);
        }
        .nav-icon-item.active {
            background: var(--gradient-brand);
            color: #fff;
        }
        .nav-icon-item.active .nav-icon-box {
            color: var(--gold-light);
        }
        .mobile-menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-warm);
            align-items: center;
            justify-content: center;
            color: var(--navy);
            border: 1px solid var(--border);
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 20px 0 0;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-soft);
        }
        .breadcrumb-bar a:hover {
            color: var(--gold-dark);
        }
        /* Hero */
        .hero-security {
            background: var(--gradient-brand);
            position: relative;
            overflow: hidden;
            padding: 70px 0 90px;
        }
        .hero-security::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-security::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-security-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .hero-security-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--gold-light);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 0.06em;
        }
        .hero-security h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        .hero-security-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 520px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .hero-security-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-security-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-security-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-security-stat-number {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            font-variant-numeric: tabular-nums;
        }
        .hero-security-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.04em;
        }
        .hero-security-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            backdrop-filter: blur(10px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
        }
        .hero-security-card-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .hero-security-card-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .progress-bar-track {
            width: 100%;
            height: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.15);
            overflow: hidden;
            margin: 14px 0 10px;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--gradient-gold);
            transition: width var(--transition);
        }
        .progress-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }
        .hero-security-card-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-gold-border {
            border: 1px solid var(--border-gold);
        }
        .card-gradient-border {
            border: 1px solid transparent;
            background-image: linear-gradient(#fff, #fff), var(--gradient-border);
            background-origin: border-box;
            background-clip: padding-box, border-box;
        }
        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-gold);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--gradient-card);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--navy);
            transition: all var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--gradient-brand);
            color: var(--gold-light);
        }
        .feature-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
        }
        .feature-text {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
        }
        /* Alternating content */
        .alt-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 64px;
        }
        .alt-row:last-child {
            margin-bottom: 0;
        }
        .alt-row.reverse {
            direction: rtl;
        }
        .alt-row.reverse > * {
            direction: ltr;
        }
        .alt-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .alt-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .alt-image:hover img {
            transform: scale(1.03);
        }
        .alt-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .alt-content p {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.9;
            margin-bottom: 14px;
        }
        /* Steps */
        .step-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--border);
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            margin: 0 auto 14px;
        }
        .step-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
        }
        .step-text {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.7;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-item.open {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--navy);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--gold-dark);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gradient-card);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--gold-dark);
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition);
        }
        .faq-item.open .faq-icon {
            background: var(--gradient-gold);
            color: var(--navy);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px 64px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.8;
        }
        /* CTA */
        .cta-band {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-band h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            position: relative;
            z-index: 2;
        }
        .cta-band p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            position: relative;
            z-index: 2;
            max-width: 480px;
        }
        .cta-band-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        /* Footer */
        .site-footer {
            background: var(--navy-dark);
            color: #fff;
            margin-top: 0;
        }
        .footer-top {
            padding: 60px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-intro {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--gold-light);
        }
        .footer-links li {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }
        .footer-bottom {
            padding: 20px 0;
            background: rgba(0, 0, 0, 0.2);
        }
        .footer-bottom-content {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom-links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--gold-light);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-security-inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-security {
                padding: 50px 0 60px;
            }
            .alt-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .alt-row.reverse {
                direction: ltr;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .nav-icon-grid {
                display: none;
            }
            .nav-icon-grid.open {
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 10px 0 16px;
            }
            .nav-icon-item {
                padding: 10px 12px;
            }
            .hero-security-inner {
                gap: 28px;
            }
            .hero-security h1 {
                font-size: 26px;
            }
            .hero-security-stats {
                gap: 20px;
            }
            .hero-security-stat-number {
                font-size: 20px;
            }
            .hero-security-card {
                padding: 24px 20px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .step-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-band {
                padding: 40px 28px;
            }
            .footer-bottom-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .hero-security {
                padding: 40px 0 48px;
            }
            .hero-security-actions {
                flex-direction: column;
            }
            .hero-security-actions .btn {
                width: 100%;
            }
            .hero-security-card-buttons {
                flex-direction: column;
            }
            .hero-security-card-buttons .btn {
                width: 100%;
            }
            .alt-image img {
                height: 200px;
            }
            .faq-answer-inner {
                padding-left: 20px;
            }
        }

/* roulang page: category4 */
:root {
            --navy: #0f2a4a;
            --navy-light: #1a3d66;
            --navy-dark: #081c33;
            --navy-mid: #142e50;
            --gold: #d4a853;
            --gold-light: #e8c87a;
            --gold-dark: #b88a3a;
            --bg: #FAF9F7;
            --bg-warm: #f4f0eb;
            --text: #2d2d2d;
            --text-soft: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: rgba(15, 42, 74, 0.08);
            --border-gold: rgba(212, 168, 83, 0.35);
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow: 0 4px 20px rgba(15, 42, 74, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 42, 74, 0.12);
            --shadow-gold: 0 4px 20px rgba(212, 168, 83, 0.15);
            --gradient-brand: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 55%, var(--gold-dark) 130%);
            --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
            --gradient-card: linear-gradient(135deg, rgba(15, 42, 74, 0.03) 0%, rgba(212, 168, 83, 0.06) 100%);
            --gradient-border: linear-gradient(135deg, var(--navy), var(--gold));
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--navy);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--gold-dark);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
            margin: 0;
        }

        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-tight {
            padding: 60px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }

        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 999px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .badge-gold {
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-dark);
            border: 1px solid var(--border-gold);
        }

        .badge-navy {
            background: rgba(15, 42, 74, 0.06);
            color: var(--navy);
            border: 1px solid var(--border);
        }

        .badge-solid-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .badge-solid-navy {
            background: var(--navy);
            color: #fff;
            border: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.2;
            border-radius: var(--radius);
            padding: 14px 28px;
            min-height: 46px;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .btn:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 3px;
            box-shadow: 0 0 0 6px rgba(212, 168, 83, 0.2);
        }

        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(15, 42, 74, 0.2);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-mid) 55%, var(--gold-dark) 130%);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 42, 74, 0.3);
            color: #fff;
        }

        .btn-secondary {
            background: transparent;
            color: var(--navy);
            border: 1px solid var(--navy);
        }

        .btn-secondary:hover {
            background: rgba(15, 42, 74, 0.06);
            transform: translateY(-2px);
            color: var(--navy);
        }

        .btn-gold-outline {
            background: transparent;
            color: var(--gold-light);
            border: 1px solid var(--gold);
        }

        .btn-gold-outline:hover {
            background: rgba(212, 168, 83, 0.1);
            transform: translateY(-2px);
            color: var(--gold-light);
        }

        /* Header / Nav */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(15, 42, 74, 0.04);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }

        .brand-logo-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--navy);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .brand-tagline {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            line-height: 1.2;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 16px;
            height: 42px;
            gap: 8px;
            min-width: 220px;
            transition: all var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.15);
            background: #fff;
        }

        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text);
            width: 100%;
            font-family: inherit;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 12px 0;
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
        }

        .nav-icon-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-soft);
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
            position: relative;
        }

        .nav-icon-item .nav-icon-box {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(15, 42, 74, 0.04);
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .nav-icon-item:hover {
            color: var(--gold-dark);
            background: rgba(212, 168, 83, 0.06);
        }

        .nav-icon-item:hover .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
        }

        .nav-icon-item.active {
            color: var(--gold-dark);
            background: rgba(212, 168, 83, 0.08);
            font-weight: 700;
        }

        .nav-icon-item.active .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: var(--shadow-gold);
        }

        .nav-icon-item:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        /* Mobile nav */
        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            transition: all var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(212, 168, 83, 0.1);
        }

        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--navy);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 16px 24px 24px;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 99;
            box-shadow: 0 20px 40px rgba(15, 42, 74, 0.12);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu .nav-icon-item {
            padding: 12px 14px;
            width: 100%;
            border-radius: var(--radius-sm);
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-soft);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--gold-dark);
        }

        .breadcrumb .separator {
            color: var(--text-muted);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--navy);
            font-weight: 600;
        }

        /* Hero */
        .hero-guide {
            background: var(--gradient-brand);
            position: relative;
            overflow: hidden;
            padding: 80px 0 100px;
        }

        .hero-guide::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.08);
            pointer-events: none;
        }

        .hero-guide::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .hero-guide .container {
            position: relative;
            z-index: 2;
        }

        .hero-guide-content {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 48px;
            align-items: center;
        }

        .hero-guide h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .hero-guide .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 600px;
            margin-bottom: 32px;
        }

        .hero-guide-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-guide .btn-primary {
            background: var(--gradient-gold);
            color: var(--navy);
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.35);
        }

        .hero-guide .btn-primary:hover {
            background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold) 55%, var(--gold-light) 130%);
            color: var(--navy);
        }

        .hero-data-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-data-badge {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius);
            padding: 16px 20px;
            text-align: center;
            min-width: 100px;
            flex: 1;
            max-width: 150px;
        }

        .hero-data-badge .number {
            font-size: 28px;
            font-weight: 700;
            color: var(--gold-light);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .hero-data-badge .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.3;
        }

        .hero-guide-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 32px;
            backdrop-filter: blur(8px);
        }

        .hero-guide-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .hero-guide-card .step-mini {
            display: flex;
            gap: 12px;
            margin-bottom: 16px;
            align-items: flex-start;
        }

        .hero-guide-card .step-mini:last-child {
            margin-bottom: 0;
        }

        .hero-guide-card .step-number {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gradient-gold);
            color: var(--navy);
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .hero-guide-card .step-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
        }

        /* Timeline */
        .timeline-section {
            position: relative;
            background: var(--bg);
        }

        .timeline-wrapper {
            position: relative;
            padding-left: 40px;
        }

        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--navy) 0%, var(--gold) 100%);
            border-radius: 2px;
            opacity: 0.3;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
            padding-left: 0;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -34px;
            top: 8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--gradient-gold);
            box-shadow: 0 0 0 4px rgba(212, 168, 83, 0.2);
            z-index: 2;
        }

        .timeline-item .timeline-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .timeline-item .timeline-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-gold);
        }

        .timeline-item .timeline-step {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--gold-dark);
            background: rgba(212, 168, 83, 0.1);
            border-radius: 999px;
            padding: 4px 12px;
            margin-bottom: 8px;
        }

        .timeline-item h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .timeline-item p {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Feature image block */
        .feature-image-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .feature-image-block .image-wrapper {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border);
            position: relative;
        }

        .feature-image-block .image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .feature-image-block .image-wrapper::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(180deg, transparent 0%, rgba(15, 42, 74, 0.5) 100%);
            pointer-events: none;
        }

        .feature-image-block .content-area h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .feature-image-block .content-area p {
            font-size: 16px;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .feature-image-block .content-area .benefit-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .feature-image-block .content-area .benefit-list li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 8px;
            font-size: 15px;
            color: var(--text);
            line-height: 1.6;
        }

        .feature-image-block .content-area .benefit-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }

        /* Related recommendation cards */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border-gold);
        }

        .related-card .related-card-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .related-card .related-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .related-card:hover .related-card-image img {
            transform: scale(1.05);
        }

        .related-card .related-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .related-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .related-card .badge-tag {
            align-self: flex-start;
        }

        /* Deep content */
        .deep-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .deep-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-content p {
            font-size: 16px;
            color: var(--text-soft);
            line-height: 1.9;
            margin-bottom: 20px;
            text-indent: 2em;
        }

        .deep-content .highlight-box {
            background: linear-gradient(135deg, rgba(15, 42, 74, 0.04) 0%, rgba(212, 168, 83, 0.08) 100%);
            border-left: 4px solid var(--gold);
            border-radius: 0 var(--radius) var(--radius) 0;
            padding: 24px 28px;
            margin: 24px 0;
        }

        .deep-content .highlight-box p {
            text-indent: 0;
            margin-bottom: 0;
            font-style: normal;
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow);
        }

        .faq-item.open {
            border-color: var(--border-gold);
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--navy);
            text-align: left;
            background: transparent;
            transition: all var(--transition);
            cursor: pointer;
        }

        .faq-question:hover {
            color: var(--gold-dark);
        }

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition);
            font-size: 16px;
            font-weight: 700;
            color: var(--gold-dark);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--gradient-gold);
            color: var(--navy);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
            color: var(--text-soft);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 24px;
        }

        /* CTA */
        .cta-section {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.1);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-section .btn {
            position: relative;
            z-index: 2;
        }

        .cta-section .btn-gold-outline {
            background: transparent;
            border: 1px solid var(--gold);
            color: var(--gold-light);
        }

        .cta-section .btn-gold-outline:hover {
            background: rgba(212, 168, 83, 0.15);
        }

        /* Footer */
        .site-footer {
            background: var(--navy-dark);
            color: rgba(255, 255, 255, 0.8);
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-gold);
        }

        .footer-top {
            padding: 60px 0 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-logo .brand-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .footer-logo .brand-logo-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

        .footer-intro {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color var(--transition);
            text-decoration: none;
        }

        .footer-links a:hover {
            color: var(--gold-light);
        }

        .footer-links li {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
        }

        .footer-bottom-content {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            align-items: center;
            margin-left: auto;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: color var(--transition);
            text-decoration: none;
        }

        .footer-bottom-links a:hover {
            color: var(--gold-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-guide-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-guide-card {
                max-width: 480px;
            }

            .feature-image-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }

            .section-tight {
                padding: 40px 0;
            }

            .hero-guide {
                padding: 60px 0 80px;
            }

            .hero-guide h1 {
                font-size: 28px;
            }

            .nav-icon-grid {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                -ms-overflow-style: none;
                padding-bottom: 4px;
            }

            .nav-icon-grid::-webkit-scrollbar {
                display: none;
            }

            .nav-icon-item {
                flex-shrink: 0;
                padding: 6px 10px;
                font-size: 13px;
            }

            .nav-icon-item .nav-icon-box {
                width: 28px;
                height: 28px;
            }

            .mobile-toggle {
                display: flex;
            }

            .header-actions {
                gap: 8px;
            }

            .header-search {
                min-width: 0;
                width: 40px;
                padding: 0 12px;
            }

            .header-search input {
                display: none;
            }

            .header-search::after {
                content: '🔍';
                font-size: 16px;
            }

            .timeline-wrapper {
                padding-left: 32px;
            }

            .timeline-wrapper::before {
                left: 10px;
            }

            .timeline-item::before {
                left: -28px;
                width: 12px;
                height: 12px;
            }

            .timeline-item .timeline-card {
                padding: 20px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-section {
                padding: 40px 24px;
                border-radius: var(--radius-lg);
            }

            .cta-section h2 {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .footer-bottom-links {
                margin-left: 0;
                flex-wrap: wrap;
                gap: 12px;
            }

            .hero-data-badges {
                gap: 8px;
            }

            .hero-data-badge {
                padding: 12px 14px;
                min-width: 80px;
                max-width: 120px;
            }

            .hero-data-badge .number {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .container-wide {
                padding: 0 16px;
            }

            .section {
                padding: 48px 0;
            }

            .hero-guide {
                padding: 48px 0 64px;
            }

            .hero-guide h1 {
                font-size: 24px;
            }

            .hero-guide .hero-subtitle {
                font-size: 15px;
            }

            .section-title {
                font-size: 22px;
            }

            .timeline-wrapper {
                padding-left: 24px;
            }

            .timeline-wrapper::before {
                left: 6px;
            }

            .timeline-item::before {
                left: -22px;
                width: 10px;
                height: 10px;
                top: 6px;
            }

            .deep-content p {
                text-indent: 1.5em;
                font-size: 15px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
                gap: 10px;
            }

            .faq-answer {
                padding: 0 18px;
                font-size: 14px;
            }

            .faq-item.open .faq-answer {
                padding: 0 18px 18px;
            }

            .btn {
                padding: 12px 20px;
                font-size: 14px;
                min-height: 42px;
            }

            .hero-guide-actions {
                flex-direction: column;
            }

            .hero-guide-actions .btn {
                width: 100%;
            }
        }

/* roulang page: category7 */
:root {
            --navy: #0f2a4a;
            --navy-light: #1a3d66;
            --navy-dark: #081c33;
            --navy-mid: #142e50;
            --gold: #d4a853;
            --gold-light: #e8c87a;
            --gold-dark: #b88a3a;
            --bg: #FAF9F7;
            --bg-warm: #f4f0eb;
            --text: #2d2d2d;
            --text-soft: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: rgba(15, 42, 74, 0.08);
            --border-gold: rgba(212, 168, 83, 0.35);
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow: 0 4px 20px rgba(15, 42, 74, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 42, 74, 0.12);
            --shadow-gold: 0 4px 20px rgba(212, 168, 83, 0.15);
            --gradient-brand: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 55%, var(--gold-dark) 130%);
            --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
            --gradient-card: linear-gradient(135deg, rgba(15, 42, 74, 0.03) 0%, rgba(212, 168, 83, 0.06) 100%);
            --gradient-border: linear-gradient(135deg, var(--navy), var(--gold));
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--navy);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--gold-dark);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
            margin: 0;
        }

        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-tight {
            padding: 56px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }

        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gradient-gold);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 999px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .badge-gold {
            background: rgba(212, 168, 83, 0.12);
            color: var(--gold-dark);
            border: 1px solid var(--border-gold);
        }

        .badge-navy {
            background: rgba(15, 42, 74, 0.06);
            color: var(--navy);
            border: 1px solid var(--border);
        }

        .badge-solid-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .badge-solid-navy {
            background: var(--navy);
            color: #fff;
            border: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.2;
            border-radius: var(--radius);
            padding: 14px 28px;
            min-height: 46px;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .btn:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 3px;
            box-shadow: 0 0 0 6px rgba(212, 168, 83, 0.2);
        }

        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(15, 42, 74, 0.2);
        }

        .btn-primary:hover {
            box-shadow: 0 8px 24px rgba(15, 42, 74, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-secondary {
            background: transparent;
            color: var(--navy);
            border: 1px solid var(--navy);
        }

        .btn-secondary:hover {
            background: rgba(15, 42, 74, 0.05);
            border-color: var(--gold-dark);
            color: var(--gold-dark);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--gradient-gold);
            color: var(--navy);
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .btn-gold:hover {
            box-shadow: 0 8px 24px rgba(212, 168, 83, 0.3);
            transform: translateY(-2px);
            color: var(--navy);
        }

        /* Header / Navigation */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(15, 42, 74, 0.04);
        }

        .brand-bar {
            padding: 14px 0 4px;
            background: #fff;
        }

        .brand-bar-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .brand-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient-gold);
            color: var(--navy);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .brand-logo-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--navy);
            letter-spacing: 0.02em;
        }

        .brand-tagline {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            padding: 8px 0 10px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }

        .nav-icon-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
            border: 1px solid transparent;
        }

        .nav-icon-item:hover {
            color: var(--gold-dark);
            background: rgba(212, 168, 83, 0.05);
            border-color: var(--border-gold);
        }

        .nav-icon-item.active {
            color: var(--navy);
            background: var(--gradient-card);
            border-color: var(--border-gold);
            font-weight: 600;
        }

        .nav-icon-item.active .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
            border-color: transparent;
        }

        .nav-icon-box {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
            flex-shrink: 0;
            color: var(--navy);
        }

        .nav-icon-item:hover .nav-icon-box {
            border-color: var(--border-gold);
            color: var(--gold-dark);
            background: rgba(212, 168, 83, 0.08);
        }

        .nav-icon-item.active .nav-icon-box {
            background: var(--gradient-brand);
            color: #fff;
            border-color: transparent;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            padding: 16px 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-soft);
            text-decoration: none;
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--gold-dark);
        }

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--navy);
            font-weight: 600;
        }

        /* Cover Hero 分类页7专用 */
        .cover-hero {
            position: relative;
            min-height: 440px;
            display: flex;
            align-items: flex-end;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin-top: 24px;
            box-shadow: var(--shadow-hover);
        }

        .cover-hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .cover-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(8, 28, 51, 0.1) 0%, rgba(8, 28, 51, 0.55) 45%, rgba(8, 28, 51, 0.88) 100%);
            z-index: 1;
        }

        .cover-hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 40px 40px;
            max-width: 680px;
        }

        .cover-hero-content h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .cover-hero-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 560px;
        }

        .cover-hero-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* Stat bar */
        .stat-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: -30px;
            position: relative;
            z-index: 5;
            padding: 0 24px;
        }

        .stat-card-mini {
            background: #fff;
            border-radius: var(--radius);
            padding: 20px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .stat-card-mini .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

        .stat-card-mini .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Grouped list */
        .benefit-group {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 32px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            transition: all var(--transition);
        }

        .benefit-group:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-gold);
        }

        .benefit-group-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border);
        }

        .benefit-group-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-card);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--navy);
            flex-shrink: 0;
        }

        .benefit-group-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--navy);
            letter-spacing: -0.01em;
        }

        .benefit-group-desc {
            font-size: 14px;
            color: var(--text-soft);
        }

        .benefit-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .benefit-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: all var(--transition);
        }

        .benefit-list li:hover {
            background: var(--bg-warm);
            color: var(--text);
        }

        .benefit-list li .check-icon {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--gradient-gold);
            color: var(--navy);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* Deep content */
        .deep-content {
            max-width: 760px;
            margin: 0 auto;
        }

        .deep-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .deep-content p {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.9;
            margin-bottom: 18px;
        }

        .deep-content .highlight-text {
            border-left: 3px solid var(--gold);
            padding-left: 18px;
            font-weight: 500;
            color: var(--navy);
            background: var(--gradient-card);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-bottom: 18px;
        }

        /* CTA section */
        .cta-section {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.15);
            pointer-events: none;
        }

        .cta-section-content {
            position: relative;
            z-index: 1;
            max-width: 560px;
        }

        .cta-section-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-section-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
        }

        .cta-section-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--navy-dark);
            color: rgba(255, 255, 255, 0.8);
            margin-top: 80px;
        }

        .footer-top {
            padding: 56px 0 40px;
            border-top: 3px solid var(--gold);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .footer-intro {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 320px;
            margin: 0;
        }

        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-heading::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--gradient-gold);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--gold-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
        }

        .footer-bottom-content {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom-links {
            display: inline-flex;
            gap: 12px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom-links a:hover {
            color: var(--gold-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .stat-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 0 16px;
                margin-top: -20px;
            }

            .benefit-list {
                grid-template-columns: 1fr;
            }

            .cover-hero {
                min-height: 380px;
            }

            .cover-hero-content h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .section-tight {
                padding: 40px 0;
            }

            .brand-tagline {
                display: none;
            }

            .nav-icon-grid {
                padding: 6px 0 8px;
                gap: 2px;
            }

            .nav-icon-item {
                padding: 6px 10px;
                font-size: 12px;
                gap: 5px;
            }

            .nav-icon-box {
                width: 24px;
                height: 24px;
                border-radius: 6px;
            }

            .cover-hero {
                min-height: 320px;
                border-radius: var(--radius);
                margin-top: 12px;
            }

            .cover-hero-content {
                padding: 28px 20px 24px;
            }

            .cover-hero-content h1 {
                font-size: 24px;
            }

            .cover-hero-content p {
                font-size: 14px;
            }

            .stat-bar {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                padding: 0 8px;
                margin-top: -16px;
            }

            .stat-card-mini {
                padding: 14px 16px;
            }

            .stat-card-mini .stat-number {
                font-size: 22px;
            }

            .benefit-group {
                padding: 20px 18px;
            }

            .benefit-group-title {
                font-size: 17px;
            }

            .benefit-list li {
                font-size: 13px;
                padding: 8px 12px;
            }

            .cta-section {
                padding: 32px 24px;
                flex-direction: column;
                text-align: left;
                border-radius: var(--radius);
            }

            .cta-section-content h2 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .container-wide {
                padding: 0 16px;
            }

            .section-title {
                font-size: 22px;
            }

            .brand-logo-name {
                font-size: 18px;
            }

            .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 8px;
            }

            .cover-hero {
                min-height: 260px;
            }

            .cover-hero-content h1 {
                font-size: 20px;
            }

            .stat-bar {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
            }

            .stat-card-mini {
                padding: 10px 12px;
            }

            .stat-card-mini .stat-number {
                font-size: 18px;
            }

            .stat-card-mini .stat-label {
                font-size: 11px;
            }

            .benefit-list {
                grid-template-columns: 1fr;
            }

            .btn {
                padding: 12px 20px;
                font-size: 14px;
                min-height: 40px;
                border-radius: var(--radius-sm);
            }

            .cta-section-actions {
                flex-direction: column;
                width: 100%;
            }

            .cta-section-actions .btn {
                width: 100%;
            }
        }