/* roulang page: index */
:root {
            --primary: #C8963E;
            --primary-dark: #A67B2E;
            --primary-light: #E8D5A3;
            --primary-bg: #FDF8F0;
            --secondary: #1A1D2E;
            --secondary-light: #2A2D3E;
            --accent: #D4A853;
            --accent-soft: #F0E4C8;
            --bg-body: #FAFAF8;
            --bg-white: #FFFFFF;
            --bg-light: #F8F6F2;
            --bg-dark: #1A1D2E;
            --text: #2C2C2C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A8A;
            --text-light: #B0B0B0;
            --text-on-dark: #E8E8E8;
            --border: #E5E0D8;
            --border-light: #F0EDE6;
            --border-focus: #C8963E;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-card: 0 2px 16px rgba(0,0,0,0.06);
            --shadow-hover: 0 8px 28px rgba(0,0,0,0.12);
            --transition-fast: 0.18s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --container-narrow: 960px;
            --navbar-height: 72px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg-body);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--border-focus);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--border-focus);
            outline-offset: 2px;
        }

        ::selection {
            background-color: var(--primary-light);
            color: var(--secondary);
        }

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-narrow {
            max-width: var(--container-narrow);
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* ========== HEADER & NAVBAR ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .navbar {
            padding: 0;
            min-height: var(--navbar-height);
            display: flex;
            align-items: center;
        }
        .navbar .container {
            display: flex;
            align-items: center;
            flex-wrap: nowrap;
            gap: 16px;
            width: 100%;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--secondary) !important;
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 0;
            flex-shrink: 0;
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .navbar-brand:hover {
            color: var(--primary-dark) !important;
        }

        /* 搜索主导：搜索框是导航视觉中心 */
        .nav-search-wrap {
            flex: 1;
            max-width: 480px;
            min-width: 200px;
            position: relative;
        }
        .nav-search-wrap .input-group {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 2px solid var(--border);
            transition: all var(--transition);
            background: var(--bg-light);
        }
        .nav-search-wrap .input-group:focus-within {
            border-color: var(--border-focus);
            box-shadow: 0 0 0 4px rgba(200,150,62,0.08);
            background: var(--bg-white);
        }
        .nav-search-wrap .form-control {
            border: none;
            background: transparent;
            padding: 10px 16px;
            font-size: 0.95rem;
            color: var(--text);
            box-shadow: none;
            border-radius: 0;
        }
        .nav-search-wrap .form-control::placeholder {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .nav-search-wrap .form-control:focus {
            box-shadow: none;
            outline: none;
        }
        .nav-search-wrap .btn-search {
            background: transparent;
            border: none;
            color: var(--text-muted);
            padding: 10px 16px;
            font-size: 1rem;
            transition: color var(--transition-fast);
            border-radius: 0;
        }
        .nav-search-wrap .btn-search:hover {
            color: var(--primary);
            background: transparent;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary-dark);
            background: var(--primary-bg);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta-btn {
            background: var(--primary) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-xl) !important;
            transition: all var(--transition) !important;
            box-shadow: var(--shadow-xs);
            white-space: nowrap;
            font-size: 0.9rem !important;
            margin-left: 4px;
        }
        .nav-cta-btn:hover {
            background: var(--primary-dark) !important;
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            color: var(--text);
            font-size: 1.3rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-toggler:hover {
            background: var(--bg-light);
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, var(--secondary) 0%, var(--secondary-light) 40%, #1f2340 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 90px 0 100px;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200,150,62,0.12) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 20%, rgba(212,168,83,0.08) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(200,150,62,0.18);
            color: var(--accent-soft);
            border: 1px solid rgba(200,150,62,0.3);
            padding: 6px 16px;
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }
        .hero-title .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.78);
            max-width: 580px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-search-box {
            max-width: 520px;
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 6px;
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-lg);
            border: 2px solid transparent;
            transition: all var(--transition);
        }
        .hero-search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 16px 48px rgba(0,0,0,0.18), 0 0 0 8px rgba(200,150,62,0.06);
        }
        .hero-search-box input {
            flex: 1;
            border: none;
            padding: 14px 18px;
            font-size: 1rem;
            color: var(--text);
            background: transparent;
            outline: none;
            min-width: 0;
        }
        .hero-search-box input::placeholder {
            color: var(--text-light);
        }
        .hero-search-box .btn-hero-search {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 28px;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .hero-search-box .btn-hero-search:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-sm);
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            color: rgba(255,255,255,0.85);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-stat-item .stat-num {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--accent);
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 10px;
            background: var(--primary-bg);
            padding: 5px 14px;
            border-radius: var(--radius-xl);
        }
        .section-header h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .bg-soft {
            background: var(--bg-light);
        }
        .bg-dark-section {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }

        /* ========== FEATURE CARDS ========== */
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .feature-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ========== CATEGORY CARDS ========== */
        .category-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .category-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-light);
        }
        .category-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .category-card .card-img-overlay-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-xl);
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .category-card .card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .category-card .card-body p {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-bottom: 14px;
            flex: 1;
            line-height: 1.55;
        }
        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary-dark);
            transition: gap var(--transition-fast);
        }
        .category-card:hover .card-link {
            gap: 10px;
            color: var(--primary);
        }

        /* ========== CMS NEWS LIST ========== */
        .news-list-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 18px;
            margin-bottom: 14px;
        }
        .news-list-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
            transform: translateX(3px);
        }
        .news-list-card .news-index {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-muted);
            transition: all var(--transition);
        }
        .news-list-card:hover .news-index {
            background: var(--primary);
            color: #fff;
        }
        .news-list-card .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-list-card .news-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-card .news-content h4 a {
            color: var(--secondary);
        }
        .news-list-card .news-content h4 a:hover {
            color: var(--primary);
        }
        .news-list-card .news-meta {
            display: flex;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .news-list-card .news-meta .badge-category {
            background: var(--primary-bg);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 0.76rem;
            padding: 3px 10px;
            border-radius: var(--radius-xl);
        }
        .news-empty-state {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* ========== STATS BLOCK ========== */
        .stats-block {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== STEPS / FLOW ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-item {
            text-align: center;
            position: relative;
        }
        .step-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary-bg);
            border: 3px solid var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--primary);
            position: relative;
            z-index: 2;
            transition: all var(--transition);
        }
        .step-item:hover .step-circle {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 8px 24px rgba(200,150,62,0.25);
        }
        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }
        .step-connector {
            position: absolute;
            top: 30px;
            left: 60%;
            width: calc(100% - 40px);
            height: 2px;
            background: var(--border);
            z-index: 0;
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
            background: var(--bg-white);
            padding: 18px 22px;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
            box-shadow: none !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-bg);
            border-bottom: 1px solid var(--border-light);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-focus);
        }
        .faq-accordion .accordion-button::after {
            transition: transform var(--transition);
        }
        .faq-accordion .accordion-body {
            padding: 18px 22px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
            background: var(--bg-white);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--secondary) 0%, #252840 100%);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 72px 0;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(200,150,62,0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 2.8vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.7);
            font-size: 1.05rem;
            max-width: 540px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }
        .btn-cta-primary {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 15px 40px;
            border-radius: var(--radius-xl);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(200,150,62,0.3);
            text-decoration: none;
        }
        .btn-cta-primary:hover {
            background: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(200,150,62,0.4);
            color: #fff;
        }
        .btn-cta-outline {
            display: inline-block;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: var(--radius-xl);
            border: 2px solid rgba(255,255,255,0.35);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            margin-left: 14px;
        }
        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: var(--text-on-dark);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            color: rgba(255,255,255,0.55);
            font-size: 0.85rem;
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col h5 {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            color: rgba(255,255,255,0.4);
            font-size: 0.82rem;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 56px;
                --section-gap-sm: 36px;
            }
            .nav-search-wrap {
                max-width: 320px;
            }
            .hero-section {
                padding: 64px 0 72px;
                min-height: auto;
            }
            .stats-block {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .step-connector {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --navbar-height: 60px;
                --section-gap: 44px;
                --section-gap-sm: 28px;
            }
            .navbar .container {
                flex-wrap: wrap;
                gap: 10px;
            }
            .navbar-brand {
                font-size: 1.15rem;
            }
            .navbar-brand .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-search-wrap {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
                min-width: 0;
                padding: 6px 0;
            }
            .navbar-nav {
                order: 2;
                flex-wrap: wrap;
                gap: 2px;
            }
            .navbar-nav .nav-link {
                font-size: 0.82rem;
                padding: 7px 10px;
            }
            .nav-cta-btn {
                font-size: 0.8rem !important;
                padding: 8px 14px !important;
            }
            .navbar-toggler {
                order: 1;
            }
            .hero-section {
                padding: 48px 0 56px;
                text-align: center;
            }
            .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-search-box {
                max-width: 100%;
                margin: 0 auto;
            }
            .hero-stats-row {
                justify-content: center;
                gap: 20px;
            }
            .hero-search-box .btn-hero-search {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-search-box input {
                padding: 12px 14px;
                font-size: 0.9rem;
            }
            .stats-block {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 22px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-desc {
                max-width: 100%;
            }
            .cta-section .btn-cta-outline {
                margin-left: 0;
                margin-top: 12px;
            }
            .category-card .card-body {
                padding: 14px 16px;
            }
            .news-list-card {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 14px;
                flex-direction: column;
                align-items: center;
            }
            .stats-block {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .hero-search-box {
                flex-direction: column;
                border-radius: var(--radius-lg);
                padding: 4px;
            }
            .hero-search-box input {
                width: 100%;
                text-align: center;
            }
            .hero-search-box .btn-hero-search {
                width: 100%;
                border-radius: var(--radius);
            }
            .navbar-nav .nav-link {
                font-size: 0.78rem;
                padding: 6px 8px;
            }
            .nav-cta-btn {
                padding: 6px 12px !important;
                font-size: 0.75rem !important;
            }
            .feature-card {
                padding: 22px 16px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #d4a745;
            --color-accent-light: #e8c97a;
            --color-accent-dark: #b8912f;
            --color-bg: #faf8f5;
            --color-bg-alt: #f5f0e8;
            --color-surface: #ffffff;
            --color-text: #1e1e1e;
            --color-text-soft: #6b6b6b;
            --color-text-light: #8c8c8c;
            --color-border: #e5ded4;
            --color-border-light: #f0ebe2;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --section-gap: 70px;
            --section-gap-mobile: 44px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.72;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

        a:hover {
            color: var(--color-accent);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
        }

        .site-header .navbar {
            padding: 10px 0;
            min-height: 62px;
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.22rem;
            color: var(--color-primary) !important;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 9px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .navbar-brand:hover {
            color: var(--color-accent) !important;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-search-wrap {
            max-width: 360px;
            width: 100%;
        }

        .nav-search-wrap .input-group {
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid var(--color-border);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg);
        }

        .nav-search-wrap .input-group:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(212, 167, 69, 0.1);
        }

        .nav-search-wrap .form-control {
            border: none;
            background: transparent;
            padding: 9px 16px;
            font-size: 0.92rem;
            color: var(--color-text);
            box-shadow: none;
            outline: none;
        }

        .nav-search-wrap .form-control::placeholder {
            color: var(--color-text-light);
        }

        .btn-search {
            background: var(--color-accent);
            border: none;
            color: #fff;
            padding: 9px 18px;
            font-size: 0.95rem;
            transition: background var(--transition-fast);
            border-radius: 0;
        }

        .btn-search:hover {
            background: var(--color-accent-dark);
        }

        .navbar-nav {
            gap: 4px;
            align-items: center;
        }

        .navbar-nav .nav-link {
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--color-text) !important;
            padding: 8px 14px;
            border-radius: 50px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-nav .nav-link:hover {
            color: var(--color-accent) !important;
            background: rgba(212, 167, 69, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: var(--color-accent) !important;
            background: rgba(212, 167, 69, 0.1);
            font-weight: 600;
        }

        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: 50px !important;
            transition: all var(--transition-smooth) !important;
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .navbar-toggler {
            border: none;
            color: var(--color-primary);
            font-size: 1.4rem;
            padding: 6px 8px;
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            position: relative;
            background: var(--color-primary-light);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 70px 0 64px;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(22, 33, 62, 0.78) 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

        .breadcrumb-custom a:hover {
            color: var(--color-accent-light);
        }

        .breadcrumb-custom .separator {
            font-size: 0.7rem;
            opacity: 0.5;
        }

        .breadcrumb-custom .current {
            color: var(--color-accent-light);
            font-weight: 500;
        }

        .page-banner-title {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 12px;
            letter-spacing: 0.03em;
            line-height: 1.25;
        }

        .page-banner-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 600px;
            line-height: 1.7;
            margin: 0;
        }

        .banner-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.94rem;
            font-weight: 500;
        }

        .banner-stat-item i {
            color: var(--color-accent-light);
            font-size: 1.1rem;
        }

        /* ===== SECTION COMMON ===== */
        .section-block {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.84rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .section-heading {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 10px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .section-subheading {
            font-size: 1.02rem;
            color: var(--color-text-soft);
            margin: 0 auto;
            max-width: 620px;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header.left-align {
            text-align: left;
            margin-bottom: 32px;
        }

        .section-header.left-align .section-subheading {
            margin: 0;
        }

        /* ===== TIER CARDS ===== */
        .tier-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: transparent;
        }

        .tier-card.featured-tier {
            border: 2px solid var(--color-accent);
            box-shadow: var(--shadow-lg);
            background: linear-gradient(180deg, #fffef9 0%, #fff 100%);
        }

        .tier-card.featured-tier::before {
            content: '热门推荐';
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.74rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

        .tier-icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .tier-icon-wrap.tier-silver {
            background: #e8e8e8;
            color: #7a7a7a;
        }

        .tier-icon-wrap.tier-gold {
            background: #fdf3d6;
            color: #c8960c;
        }

        .tier-icon-wrap.tier-platinum {
            background: #e6ecf8;
            color: #3a5096;
        }

        .tier-icon-wrap.tier-diamond {
            background: #f0e6f9;
            color: #6b3fa0;
        }

        .tier-name {
            font-family: var(--font-heading);
            font-size: 1.22rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 4px;
        }

        .tier-threshold {
            font-size: 0.84rem;
            color: var(--color-text-light);
            margin-bottom: 16px;
        }

        .tier-benefits {
            text-align: left;
            width: 100%;
            margin: 0 0 20px;
            padding: 0;
        }

        .tier-benefits li {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            padding: 6px 0;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tier-benefits li:last-child {
            border-bottom: none;
        }

        .tier-benefits li i {
            color: var(--color-accent);
            font-size: 0.78rem;
            flex-shrink: 0;
        }

        .tier-card .btn-outline-accent {
            margin-top: auto;
        }

        /* ===== BUTTONS ===== */
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 11px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-accent {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            padding: 9px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.02em;
        }

        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-lg-accent {
            padding: 14px 34px;
            font-size: 1.05rem;
            border-radius: 50px;
        }

        /* ===== CONTENT LIST CARDS ===== */
        .content-list-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .content-list-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .content-list-card .card-img-wrap {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

        .content-list-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .content-list-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .content-list-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.76rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

        .content-list-card .card-body-custom {
            padding: 20px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-list-card .card-title {
            font-family: var(--font-heading);
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .content-list-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.65;
            margin: 0 0 14px;
            flex: 1;
        }

        .content-list-card .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== FEATURE INLINE LIST ===== */
        .feature-inline-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .feature-inline-item:first-child {
            padding-top: 0;
        }

        .feature-inline-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .feature-inline-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            background: rgba(212, 167, 69, 0.1);
            color: var(--color-accent);
        }

        .feature-inline-text h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 4px;
        }

        .feature-inline-text p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--color-surface);
            transition: box-shadow var(--transition-fast);
        }

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

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background: var(--color-surface);
            box-shadow: none !important;
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: #fffef9;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 167, 69, 0.15) !important;
        }

        .faq-accordion .accordion-body {
            font-size: 0.94rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            padding: 0 20px 18px;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 60px 0;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin: 0 0 var(--section-gap);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 26, 46, 0.85);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            letter-spacing: 0.02em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.02rem;
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .cta-section .btn-accent {
            font-size: 1.05rem;
            padding: 14px 36px;
        }

        .cta-section .btn-accent:hover {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-xl);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 28px;
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.22rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h5 {
            font-family: var(--font-heading);
            font-size: 0.94rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .page-banner-title {
                font-size: 2.1rem;
            }

            .section-heading {
                font-size: 1.7rem;
            }

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

            .nav-search-wrap {
                max-width: 260px;
            }

            .tier-card {
                padding: 24px 16px 20px;
            }
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 48px 0 40px;
            }

            .page-banner-title {
                font-size: 1.7rem;
            }

            .page-banner-desc {
                font-size: 0.94rem;
            }

            .banner-stats-row {
                gap: 16px;
            }

            .section-block {
                padding: var(--section-gap-mobile) 0;
            }

            .section-heading {
                font-size: 1.45rem;
            }

            .section-subheading {
                font-size: 0.92rem;
            }

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

            .footer-desc {
                max-width: 100%;
            }

            .nav-search-wrap {
                max-width: 100%;
                margin: 10px 0;
            }

            .navbar-nav {
                gap: 2px;
                padding-top: 8px;
            }

            .navbar-nav .nav-link {
                padding: 10px 14px;
                border-radius: var(--radius-sm);
            }

            .nav-cta-btn {
                text-align: center;
                margin-top: 4px;
            }

            .cta-section {
                border-radius: var(--radius-lg);
                margin: 0 10px var(--section-gap-mobile);
                padding: 44px 16px;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .tier-card.featured-tier::before {
                top: 10px;
                right: 10px;
                font-size: 0.7rem;
                padding: 3px 10px;
            }

            .feature-inline-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .page-banner-title {
                font-size: 1.4rem;
            }

            .section-heading {
                font-size: 1.3rem;
            }

            .banner-stats-row {
                flex-direction: column;
                gap: 10px;
            }

            .content-list-card .card-body-custom {
                padding: 14px 12px 14px;
            }

            .content-list-card .card-title {
                font-size: 0.98rem;
            }

            .tier-benefits li {
                font-size: 0.82rem;
            }

            .btn-accent,
            .btn-outline-accent {
                font-size: 0.88rem;
                padding: 9px 18px;
            }

            .cta-section h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #252b45;
            --color-accent: #c9a96e;
            --color-accent-hover: #b8924f;
            --color-accent-light: #f5efe0;
            --color-bg: #f7f5f2;
            --color-white: #ffffff;
            --color-text: #1a1a2e;
            --color-text-secondary: #5a5d6e;
            --color-text-muted: #8b8fa3;
            --color-border: #e5e2dd;
            --color-border-light: #f0ede8;
            --color-success: #2d8a56;
            --color-warning: #e8a838;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-heading: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
        }

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

        a:hover {
            color: var(--color-accent);
        }

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

        button {
            cursor: pointer;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-xs);
        }

        .site-header .navbar {
            padding: 0.6rem 0;
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary) !important;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .navbar-brand .brand-icon {
            color: var(--color-accent);
            font-size: 1.3rem;
            display: flex;
            align-items: center;
        }

        .nav-search-wrap {
            max-width: 380px;
            width: 100%;
        }

        .nav-search-wrap .input-group {
            background: var(--color-bg);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1.5px solid var(--color-border);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-search-wrap .input-group:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.12);
        }

        .nav-search-wrap .form-control {
            border: none;
            background: transparent;
            padding: 0.55rem 1rem;
            font-size: 0.9rem;
            color: var(--color-text);
            box-shadow: none;
            outline: none;
        }

        .nav-search-wrap .form-control::placeholder {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .nav-search-wrap .btn-search {
            background: transparent;
            border: none;
            padding: 0.55rem 0.9rem;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
        }

        .nav-search-wrap .btn-search:hover {
            color: var(--color-accent);
        }

        .navbar-nav {
            gap: 0.25rem;
            align-items: center;
        }

        .navbar-nav .nav-link {
            color: var(--color-text-secondary) !important;
            font-weight: 500;
            font-size: 0.93rem;
            padding: 0.45rem 0.85rem !important;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .navbar-nav .nav-link:hover {
            color: var(--color-accent) !important;
            background: var(--color-accent-light);
        }

        .navbar-nav .nav-link.active {
            color: var(--color-accent) !important;
            background: var(--color-accent-light);
            font-weight: 600;
        }

        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            border-radius: var(--radius-xl) !important;
            padding: 0.5rem 1.3rem !important;
            font-weight: 600 !important;
            letter-spacing: 0.02em;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast) !important;
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .navbar-toggler {
            border: none;
            color: var(--color-text);
            font-size: 1.3rem;
            padding: 0.35rem 0.6rem;
            box-shadow: none !important;
        }

        .navbar-toggler:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 0.7rem 0;
        }

        .custom-breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 0.88rem;
            flex-wrap: wrap;
        }

        .custom-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--color-text-muted);
        }

        .custom-breadcrumb li a {
            color: var(--color-text-secondary);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .custom-breadcrumb li a:hover {
            color: var(--color-accent);
        }

        .custom-breadcrumb li.active {
            color: var(--color-text);
            font-weight: 600;
        }

        .breadcrumb-separator {
            color: var(--color-border);
            font-size: 0.75rem;
        }

        /* ========== MAIN LAYOUT ========== */
        .article-main {
            flex: 1;
            padding: 2.5rem 0 3rem;
        }

        .article-content-wrapper {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 2.5rem 2.8rem;
            border: 1px solid var(--color-border-light);
        }

        .article-sidebar {
            position: sticky;
            top: 90px;
        }

        /* ========== ARTICLE HEADER ========== */
        .article-meta-top {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 1rem;
        }

        .article-category-badge {
            display: inline-block;
            background: var(--color-accent-light);
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 0.3rem 0.85rem;
            border-radius: var(--radius-xl);
            letter-spacing: 0.02em;
        }

        .article-date {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .article-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.35;
            margin-bottom: 0.8rem;
            letter-spacing: 0.01em;
        }

        .article-excerpt {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            line-height: 1.75;
            margin-bottom: 1.25rem;
            padding-left: 1rem;
            border-left: 3px solid var(--color-accent);
        }

        /* ========== ARTICLE COVER ========== */
        .article-cover-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 2rem;
            box-shadow: var(--shadow-md);
        }

        .article-cover-wrap img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 9;
        }

        /* ========== ARTICLE BODY ========== */
        .article-body {
            font-size: 1.02rem;
            line-height: 1.85;
            color: var(--color-text);
            word-break: break-word;
        }

        .article-body h2 {
            font-family: var(--font-heading);
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--color-border-light);
        }

        .article-body h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary-light);
            margin-top: 1.6rem;
            margin-bottom: 0.7rem;
        }

        .article-body p {
            margin-bottom: 1.1rem;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.5rem;
            margin-bottom: 1.1rem;
        }

        .article-body li {
            margin-bottom: 0.4rem;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
        }

        .article-body blockquote {
            background: var(--color-accent-light);
            border-left: 4px solid var(--color-accent);
            padding: 1rem 1.5rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--color-text-secondary);
            font-style: italic;
        }

        /* ========== NOT FOUND STATE ========== */
        .not-found-state {
            text-align: center;
            padding: 4rem 2rem;
        }

        .not-found-icon {
            font-size: 4rem;
            color: var(--color-border);
            margin-bottom: 1.5rem;
        }

        .not-found-state h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.8rem;
        }

        .not-found-state p {
            color: var(--color-text-secondary);
            margin-bottom: 1.5rem;
            font-size: 1rem;
        }

        /* ========== SIDEBAR ========== */
        .sidebar-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border: 1px solid var(--color-border-light);
        }

        .sidebar-card h5 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid var(--color-border-light);
        }

        .sidebar-card .sidebar-about p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .sidebar-hot-item {
            display: flex;
            gap: 0.7rem;
            padding: 0.7rem 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
            transition: transform var(--transition-fast);
        }

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

        .sidebar-hot-item:hover {
            transform: translateX(4px);
        }

        .sidebar-hot-thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .sidebar-hot-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-hot-info .hot-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.25rem;
        }

        .sidebar-hot-info .hot-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .sidebar-tag {
            display: inline-block;
            background: var(--color-bg);
            color: var(--color-text-secondary);
            font-size: 0.82rem;
            padding: 0.3rem 0.75rem;
            border-radius: var(--radius-xl);
            transition: background var(--transition-fast), color var(--transition-fast);
            font-weight: 500;
        }

        .sidebar-tag:hover {
            background: var(--color-accent);
            color: #fff;
        }

        .sidebar-cta-card {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .sidebar-cta-card h5 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            border-bottom: none;
            padding-bottom: 0;
            color: #fff;
        }

        .sidebar-cta-card p {
            font-size: 0.88rem;
            opacity: 0.9;
            margin-bottom: 1.2rem;
            line-height: 1.6;
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid var(--color-border-light);
        }

        .related-section .section-label {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .related-section .section-label::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 22px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .related-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .related-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }

        .related-card-body {
            padding: 1rem 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-body .rc-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.5rem;
        }

        .related-card-body .rc-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: auto;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            text-align: center;
            color: #fff;
            margin-top: 2.5rem;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 180px;
            height: 180px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 1.55rem;
            font-weight: 700;
            margin-bottom: 0.7rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            position: relative;
            z-index: 1;
            display: inline-block;
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-accent {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            padding: 0.6rem 1.8rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--color-accent);
            color: #fff;
            padding: 0.65rem 1.6rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .btn-back-home:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: #c5c8d4;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #a5a9ba;
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }

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

        .footer-col ul li {
            margin-bottom: 0.55rem;
        }

        .footer-col ul li a {
            color: #a5a9ba;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: #8b8fa3;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991.98px) {
            .nav-search-wrap {
                max-width: 100%;
                margin: 0.8rem 0;
            }

            .navbar-nav {
                gap: 0.15rem;
                padding-top: 0.5rem;
            }

            .navbar-nav .nav-link {
                padding: 0.5rem 0.6rem !important;
                font-size: 0.9rem;
            }

            .nav-cta-btn {
                display: inline-block;
                text-align: center;
                margin-top: 0.3rem;
            }

            .article-content-wrapper {
                padding: 1.5rem 1.2rem;
                border-radius: var(--radius-md);
            }

            .article-title {
                font-size: 1.5rem;
            }

            .article-excerpt {
                font-size: 0.95rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 767.98px) {
            .article-main {
                padding: 1.5rem 0 2rem;
            }

            .article-sidebar {
                position: static;
                margin-top: 2rem;
            }

            .article-content-wrapper {
                padding: 1.2rem 1rem;
            }

            .article-title {
                font-size: 1.3rem;
            }

            .article-body {
                font-size: 0.95rem;
                line-height: 1.75;
            }

            .article-body h2 {
                font-size: 1.2rem;
            }

            .article-body h3 {
                font-size: 1.05rem;
            }

            .cta-section {
                padding: 2rem 1.2rem;
            }

            .cta-section h3 {
                font-size: 1.25rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .related-section .section-label {
                font-size: 1.1rem;
            }

            .sidebar-card {
                padding: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 1.05rem;
            }

            .article-title {
                font-size: 1.15rem;
            }

            .article-meta-top {
                gap: 0.5rem;
            }

            .article-category-badge {
                font-size: 0.75rem;
                padding: 0.25rem 0.65rem;
            }

            .article-date {
                font-size: 0.78rem;
            }

            .article-cover-wrap {
                border-radius: var(--radius-sm);
                margin-bottom: 1.2rem;
            }

            .breadcrumb-section {
                padding: 0.5rem 0;
            }

            .custom-breadcrumb {
                font-size: 0.78rem;
            }

            .not-found-state {
                padding: 2.5rem 1rem;
            }

            .not-found-icon {
                font-size: 3rem;
            }

            .not-found-state h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #d4a843;
            --color-accent-hover: #c49630;
            --color-accent-light: #f5ecd7;
            --color-bg: #f9f7f2;
            --color-surface: #ffffff;
            --color-text: #2c2c2c;
            --color-text-muted: #6b6b6b;
            --color-text-light: #8a8a8a;
            --color-border: #e5e0d5;
            --color-border-light: #f0ede5;
            --color-success: #2d8b4e;
            --color-warning: #e8a020;
            --color-danger: #c0392b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 56px rgba(0, 0, 0, 0.13);
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1.25rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 4.5rem;
            --spacing-3xl: 6rem;
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --max-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        input {
            font-family: var(--font-body);
        }
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .navbar {
            padding-top: 0.65rem;
            padding-bottom: 0.65rem;
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary) !important;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }
        .navbar-brand:hover {
            color: var(--color-accent) !important;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent) 0%, #c49630 100%);
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-search-wrap {
            max-width: 420px;
            width: 100%;
        }
        .nav-search-wrap .input-group {
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid var(--color-border);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search-wrap .input-group:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.12);
        }
        .nav-search-wrap .form-control {
            border: none;
            background: var(--color-bg);
            padding: 0.6rem 1.1rem;
            font-size: 0.95rem;
            color: var(--color-text);
            box-shadow: none;
            border-radius: 0;
        }
        .nav-search-wrap .form-control::placeholder {
            color: var(--color-text-light);
        }
        .nav-search-wrap .form-control:focus {
            box-shadow: none;
            background: #fff;
        }
        .btn-search {
            background: var(--color-accent);
            border: none;
            color: #fff;
            padding: 0.6rem 1.2rem;
            font-size: 1rem;
            transition: background var(--transition-fast);
            border-radius: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .btn-search:hover {
            background: var(--color-accent-hover);
        }

        .navbar-nav {
            gap: 0.3rem;
            align-items: center;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text) !important;
            padding: 0.5rem 0.9rem;
            border-radius: 50px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .navbar-nav .nav-link:hover {
            color: var(--color-accent) !important;
            background: var(--color-accent-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--color-accent) !important;
            background: var(--color-accent-light);
            font-weight: 600;
        }
        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 0.55rem 1.3rem !important;
            border-radius: 50px !important;
            transition: all var(--transition-base) !important;
            letter-spacing: 0.02em;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .navbar-toggler {
            border: 2px solid var(--color-border);
            padding: 0.4rem 0.7rem;
            border-radius: var(--radius-sm);
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .navbar-toggler:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.15);
        }

        @media (max-width: 991.98px) {
            .nav-search-wrap {
                max-width: 100%;
                margin: 0.75rem 0;
                order: -1;
            }
            .navbar-nav {
                gap: 0.15rem;
                padding-top: 0.4rem;
            }
            .navbar-nav .nav-link {
                padding: 0.55rem 1rem;
            }
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            padding: var(--spacing-3xl) 0;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.82) 0%, rgba(22, 33, 62, 0.88) 100%);
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.13);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            backdrop-filter: blur(4px);
        }
        .page-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.7rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
            color: #fff;
            line-height: 1.3;
        }
        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }
        .page-hero .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
        }
        .hero-stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.3rem;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: var(--spacing-2xl) 0;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stat-num {
                font-size: 1.8rem;
            }
            .page-hero .hero-stats-row {
                gap: var(--spacing-lg);
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: var(--spacing-3xl) 0;
        }
        .section-block.bg-light {
            background: var(--color-surface);
        }
        .section-block.bg-accent-light {
            background: var(--color-accent-light);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header .section-badge {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-light);
            padding: 0.3rem 1rem;
            border-radius: 50px;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-xs);
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 580px;
            margin: 0 auto;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: var(--spacing-2xl) 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
        }

        /* ========== EARN CARDS ========== */
        .earn-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .earn-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: var(--color-accent);
        }
        .earn-card .earn-icon-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-accent-light);
            color: var(--color-accent);
            font-size: 1.6rem;
            margin-bottom: var(--spacing-md);
            transition: all var(--transition-base);
        }
        .earn-card:hover .earn-icon-wrap {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.08);
        }
        .earn-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
        }
        .earn-card .earn-points {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--color-accent);
            margin-bottom: 0.5rem;
        }
        .earn-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== PRODUCT CARDS ========== */
        .product-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .product-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .product-card .product-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #f5f3ee;
        }
        .product-card .product-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .product-card:hover .product-img-wrap img {
            transform: scale(1.06);
        }
        .product-card .product-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-danger);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .product-card .product-tag.hot {
            background: var(--color-warning);
        }
        .product-card .product-tag.new {
            background: var(--color-success);
        }
        .product-card .product-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .product-card .product-body h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 0.35rem;
            line-height: 1.4;
        }
        .product-card .product-body .product-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-sm);
            line-height: 1.5;
            flex: 1;
        }
        .product-card .product-body .product-points {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-accent);
            margin-bottom: var(--spacing-sm);
        }
        .product-card .product-body .product-points small {
            font-weight: 400;
            font-size: 0.8rem;
            color: var(--color-text-light);
        }
        .btn-product {
            display: inline-block;
            width: 100%;
            text-align: center;
            padding: 0.6rem 1rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            border: 2px solid var(--color-accent);
            background: transparent;
            color: var(--color-accent);
        }
        .btn-product:hover {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        /* ========== STEPS ========== */
        .steps-row {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            justify-content: center;
        }
        .step-item {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            position: relative;
        }
        .step-item .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 2;
            border: 3px solid var(--color-accent);
        }
        .step-item h5 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 0.3rem;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
        }
        .step-connector {
            display: none;
        }
        @media (min-width: 768px) {
            .step-item {
                padding-bottom: 0;
            }
            .step-item::after {
                content: '';
                position: absolute;
                top: 28px;
                right: -60%;
                width: 100%;
                height: 3px;
                background: var(--color-border);
                z-index: 1;
            }
            .step-item:last-child::after {
                display: none;
            }
        }
        @media (max-width: 767.98px) {
            .steps-row {
                flex-direction: column;
                align-items: center;
                gap: var(--spacing-xl);
            }
            .step-item {
                max-width: 100%;
            }
        }

        /* ========== FAQ ========== */
        .faq-list .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: var(--spacing-sm);
            background: var(--color-surface);
            overflow: hidden;
            transition: box-shadow var(--transition-fast);
        }
        .faq-list .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-list .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background: transparent;
            box-shadow: none;
            padding: 1rem 1.3rem;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-list .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: var(--color-accent-light);
            box-shadow: none;
        }
        .faq-list .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.15);
            border-color: transparent;
        }
        .faq-list .accordion-button::after {
            transition: transform var(--transition-base);
        }
        .faq-list .accordion-body {
            padding: 1rem 1.3rem 1.3rem;
            font-size: 0.93rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            text-align: center;
            padding: var(--spacing-3xl) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin: 0 auto var(--spacing-lg);
        }
        .btn-cta-large {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 0.85rem 2.5rem;
            border-radius: 50px;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            border: none;
            text-decoration: none;
        }
        .btn-cta-large:hover {
            background: #fff;
            color: var(--color-primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.78);
            padding: var(--spacing-2xl) 0 var(--spacing-md);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h5 {
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== MISC ========== */
        .points-badge-inline {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: var(--color-accent-light);
            color: var(--color-accent);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.25rem 0.8rem;
            border-radius: 50px;
        }
        .text-accent {
            color: var(--color-accent) !important;
        }
        .fw-700 {
            font-weight: 700;
        }

/* roulang page: category2 */
:root {
            --primary: #1a2744;
            --primary-light: #243356;
            --accent: #c8a45c;
            --accent-light: #d4b76e;
            --accent-pale: #f7f2e6;
            --bg: #f7f5f1;
            --surface: #ffffff;
            --text: #1c1c1c;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: #e5e2dc;
            --border-light: #f0ede8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 16px 60px rgba(0,0,0,0.15);
            --transition-fast: 0.2s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{
            font-family:var(--font-stack);
            font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);
            overflow-x:hidden;margin:0;padding:0
        }
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        img{max-width:100%;height:auto;display:block}
        button,input,select,textarea{font-family:inherit}
        ul{list-style:none;padding:0;margin:0}
        h1,h2,h3,h4,h5,h6{line-height:1.3;margin:0}
        .container{max-width:1200px;padding-left:20px;padding-right:20px}
        @media(min-width:1400px){.container{max-width:1280px}}

        /* 站点头部 */
        .site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1050;box-shadow:var(--shadow-xs)}
        .site-header .navbar{padding:12px 0}
        .site-header .navbar-brand{
            font-weight:700;font-size:1.35rem;color:var(--primary);display:flex;align-items:center;gap:10px;
            white-space:nowrap;letter-spacing:-0.02em;transition:color var(--transition-fast)
        }
        .site-header .navbar-brand:hover{color:var(--accent)}
        .brand-icon{
            width:40px;height:40px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--accent) 0%,#b8944a 100%);
            display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.15rem;flex-shrink:0;
            box-shadow:0 2px 10px rgba(200,164,92,0.35)
        }
        .nav-search-wrap{max-width:380px;width:100%}
        .nav-search-wrap .input-group{border-radius:50px;overflow:hidden;box-shadow:var(--shadow-xs);border:1px solid var(--border);transition:all var(--transition-fast)}
        .nav-search-wrap .input-group:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,164,92,0.12)}
        .nav-search-wrap .form-control{
            border:none;padding:10px 18px;font-size:0.95rem;background:var(--bg);color:var(--text);
            box-shadow:none;border-radius:50px 0 0 50px
        }
        .nav-search-wrap .form-control:focus{box-shadow:none;outline:none;background:#fff}
        .nav-search-wrap .form-control::placeholder{color:var(--text-muted)}
        .btn-search{
            background:var(--accent);color:#fff;border:none;padding:10px 18px;cursor:pointer;
            border-radius:0 50px 50px 0;transition:all var(--transition-fast);font-size:1rem;
            display:flex;align-items:center;justify-content:center
        }
        .btn-search:hover{background:var(--primary);color:#fff}
        .navbar-nav{gap:4px;align-items:center}
        .nav-link{
            font-weight:500;font-size:0.95rem;color:var(--text-secondary);padding:8px 16px !important;
            border-radius:50px;transition:all var(--transition-fast);white-space:nowrap
        }
        .nav-link:hover{color:var(--accent);background:var(--accent-pale)}
        .nav-link.active{color:var(--accent);background:var(--accent-pale);font-weight:600}
        .nav-cta-btn{
            background:var(--accent) !important;color:#fff !important;padding:10px 22px !important;
            border-radius:50px !important;font-weight:600 !important;margin-left:8px;
            box-shadow:0 2px 12px rgba(200,164,92,0.4);transition:all var(--transition-fast) !important
        }
        .nav-cta-btn:hover{background:var(--primary) !important;box-shadow:0 4px 20px rgba(26,39,68,0.45) !important;transform:translateY(-1px)}
        .navbar-toggler{border:none;color:var(--primary);font-size:1.3rem;padding:8px 10px;box-shadow:none}
        .navbar-toggler:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:2px}
        @media(max-width:991px){
            .site-header .navbar-brand{font-size:1.15rem}
            .brand-icon{width:34px;height:34px;font-size:1rem}
            .nav-search-wrap{max-width:100%;margin:12px 0}
            .navbar-nav{gap:2px;padding-top:8px}
            .nav-cta-btn{margin-left:0;text-align:center;display:inline-block;width:fit-content}
        }

        /* 面包屑 */
        .breadcrumb-wrap{padding:16px 0;background:transparent}
        .breadcrumb-custom{display:flex;align-items:center;gap:8px;font-size:0.88rem;color:var(--text-muted);flex-wrap:wrap}
        .breadcrumb-custom a{color:var(--text-secondary);transition:color var(--transition-fast)}
        .breadcrumb-custom a:hover{color:var(--accent)}
        .breadcrumb-custom .sep{color:var(--border);font-size:0.7rem}
        .breadcrumb-custom .current{color:var(--accent);font-weight:600}

        /* 分类Banner */
        .category-banner{
            position:relative;padding:70px 0 60px;background:linear-gradient(170deg,var(--primary) 0%,var(--primary-light) 100%);
            overflow:hidden;z-index:1
        }
        .category-banner::before{
            content:'';position:absolute;top:0;left:0;width:100%;height:100%;
            background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity:0.18;z-index:-1
        }
        .category-banner::after{
            content:'';position:absolute;bottom:-40px;right:-30px;width:200px;height:200px;
            background:radial-gradient(circle,rgba(200,164,92,0.2) 0%,transparent 70%);
            border-radius:50%;z-index:-1;pointer-events:none
        }
        .category-banner-content{position:relative;z-index:2}
        .category-banner .cat-icon{
            display:inline-flex;align-items:center;justify-content:center;
            width:56px;height:56px;border-radius:var(--radius);background:rgba(255,255,255,0.12);
            color:var(--accent-light);font-size:1.5rem;margin-bottom:18px;
            backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,0.15)
        }
        .category-banner h1{font-size:2.4rem;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:-0.02em}
        .category-banner .banner-subtitle{font-size:1.1rem;color:rgba(255,255,255,0.8);max-width:600px;line-height:1.7}
        .category-stats{display:flex;gap:28px;margin-top:20px;flex-wrap:wrap}
        .category-stats .stat-item{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,0.85);font-size:0.9rem}
        .category-stats .stat-num{font-weight:700;font-size:1.2rem;color:var(--accent-light)}
        @media(max-width:768px){
            .category-banner{padding:44px 0 36px}
            .category-banner h1{font-size:1.7rem}
            .category-banner .banner-subtitle{font-size:0.95rem}
            .category-stats{gap:16px}
        }

        /* 标签筛选 */
        .filter-section{padding:28px 0 8px}
        .filter-tags{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
        .filter-tag{
            padding:8px 18px;border-radius:50px;font-size:0.9rem;font-weight:500;
            border:1px solid var(--border);background:var(--surface);color:var(--text-secondary);
            cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;
            user-select:none
        }
        .filter-tag:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-pale)}
        .filter-tag.active{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600;box-shadow:0 2px 10px rgba(200,164,92,0.35)}
        .filter-label{font-weight:600;color:var(--text);font-size:0.9rem;margin-right:4px}

        /* 活动网格 */
        .activities-section{padding:36px 0 50px}
        .activities-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .activity-card{
            background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;
            border:1px solid var(--border-light);box-shadow:var(--shadow-sm);
            transition:all var(--transition);display:flex;flex-direction:column;
            position:relative
        }
        .activity-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border)}
        .activity-card .card-img-wrap{position:relative;overflow:hidden;aspect-ratio:16/10}
        .activity-card .card-img-wrap img{
            width:100%;height:100%;object-fit:cover;
            transition:transform var(--transition-slow)
        }
        .activity-card:hover .card-img-wrap img{transform:scale(1.05)}
        .activity-card .card-badge{
            position:absolute;top:14px;right:14px;padding:5px 12px;border-radius:50px;
            font-size:0.78rem;font-weight:700;z-index:2;letter-spacing:0.02em
        }
        .badge-hot{background:#e74c3c;color:#fff}
        .badge-limited{background:#f39c12;color:#fff}
        .badge-exclusive{background:#8e44ad;color:#fff}
        .badge-longterm{background:#27ae60;color:#fff}
        .badge-popular{background:#e67e22;color:#fff}
        .badge-featured{background:var(--accent);color:#fff}
        .activity-card .card-body{padding:20px 22px;flex:1;display:flex;flex-direction:column}
        .activity-card .card-tag{
            display:inline-block;font-size:0.8rem;color:var(--accent);font-weight:600;
            margin-bottom:8px;letter-spacing:0.02em
        }
        .activity-card .card-title{
            font-size:1.1rem;font-weight:700;color:var(--text);margin-bottom:8px;
            line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
        }
        .activity-card .card-title a{color:inherit;transition:color var(--transition-fast)}
        .activity-card .card-title a:hover{color:var(--accent)}
        .activity-card .card-summary{
            font-size:0.9rem;color:var(--text-secondary);line-height:1.6;flex:1;
            display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
            margin-bottom:14px
        }
        .activity-card .card-meta{
            display:flex;align-items:center;justify-content:space-between;
            padding-top:14px;border-top:1px solid var(--border-light);font-size:0.82rem;color:var(--text-muted)
        }
        .activity-card .card-date{display:flex;align-items:center;gap:5px}
        .activity-card .card-arrow{
            width:34px;height:34px;border-radius:50%;background:var(--bg);
            display:flex;align-items:center;justify-content:center;
            color:var(--text-secondary);transition:all var(--transition-fast);font-size:0.85rem
        }
        .activity-card:hover .card-arrow{background:var(--accent);color:#fff}
        @media(max-width:1024px){.activities-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
        @media(max-width:640px){.activities-grid{grid-template-columns:1fr;gap:18px}.activity-card .card-body{padding:16px 18px}}

        /* 精选活动 */
        .featured-section{padding:50px 0 60px}
        .featured-card{
            background:var(--surface);border-radius:var(--radius-xl);overflow:hidden;
            display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--shadow);border:1px solid var(--border-light)
        }
        .featured-card .featured-img{position:relative;overflow:hidden;aspect-ratio:4/3;min-height:300px}
        .featured-card .featured-img img{width:100%;height:100%;object-fit:cover}
        .featured-card .featured-body{padding:36px 32px;display:flex;flex-direction:column;justify-content:center}
        .featured-card .featured-label{
            display:inline-block;padding:6px 14px;border-radius:50px;font-size:0.82rem;
            font-weight:600;background:var(--accent-pale);color:var(--accent);margin-bottom:14px;
            width:fit-content;letter-spacing:0.02em
        }
        .featured-card h3{font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:10px}
        .featured-card p{color:var(--text-secondary);line-height:1.7;margin-bottom:20px;font-size:0.95rem}
        .featured-card .featured-meta{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:18px;font-size:0.88rem;color:var(--text-muted)}
        .featured-card .featured-meta span{display:flex;align-items:center;gap:5px}
        .btn-accent{
            display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:50px;
            background:var(--accent);color:#fff;font-weight:600;font-size:0.95rem;
            border:none;cursor:pointer;transition:all var(--transition-fast);
            box-shadow:0 2px 12px rgba(200,164,92,0.35);width:fit-content;text-decoration:none
        }
        .btn-accent:hover{background:var(--primary);color:#fff;box-shadow:0 4px 22px rgba(26,39,68,0.45);transform:translateY(-2px)}
        .btn-outline-accent{
            display:inline-flex;align-items:center;gap:8px;padding:11px 24px;border-radius:50px;
            border:2px solid var(--accent);color:var(--accent);font-weight:600;font-size:0.95rem;
            background:transparent;cursor:pointer;transition:all var(--transition-fast);text-decoration:none
        }
        .btn-outline-accent:hover{background:var(--accent);color:#fff}
        @media(max-width:768px){
            .featured-card{grid-template-columns:1fr}
            .featured-card .featured-img{aspect-ratio:16/9;min-height:200px}
            .featured-card .featured-body{padding:24px 20px}
            .featured-card h3{font-size:1.25rem}
        }

        /* 参与流程 */
        .howto-section{padding:50px 0 56px;background:var(--surface)}
        .section-header{text-align:center;margin-bottom:40px}
        .section-header h2{font-size:1.8rem;font-weight:700;color:var(--text);margin-bottom:10px;letter-spacing:-0.01em}
        .section-header p{color:var(--text-secondary);max-width:580px;margin:0 auto;font-size:0.95rem}
        .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
        .step-card{text-align:center;padding:28px 20px;background:var(--bg);border-radius:var(--radius-lg);position:relative;transition:all var(--transition)}
        .step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
        .step-number{
            width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;
            font-weight:700;font-size:1.2rem;display:flex;align-items:center;justify-content:center;
            margin:0 auto 16px;box-shadow:0 2px 12px rgba(200,164,92,0.35)
        }
        .step-card h4{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:6px}
        .step-card p{font-size:0.85rem;color:var(--text-secondary);line-height:1.6;margin:0}
        @media(max-width:1024px){.steps-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:520px){.steps-grid{grid-template-columns:1fr}}

        /* CTA */
        .cta-section{padding:56px 0;text-align:center}
        .cta-card{
            background:linear-gradient(160deg,var(--primary) 0%,#1e3355 100%);
            border-radius:var(--radius-xl);padding:50px 40px;color:#fff;
            position:relative;overflow:hidden
        }
        .cta-card::before{
            content:'';position:absolute;top:-50px;left:-50px;width:180px;height:180px;
            background:radial-gradient(circle,rgba(200,164,92,0.3) 0%,transparent 70%);
            border-radius:50%;pointer-events:none
        }
        .cta-card::after{
            content:'';position:absolute;bottom:-40px;right:-30px;width:160px;height:160px;
            background:radial-gradient(circle,rgba(200,164,92,0.2) 0%,transparent 70%);
            border-radius:50%;pointer-events:none
        }
        .cta-card h2{font-size:1.8rem;font-weight:700;margin-bottom:10px;position:relative;z-index:1}
        .cta-card p{color:rgba(255,255,255,0.8);margin-bottom:24px;position:relative;z-index:1;max-width:500px;margin-left:auto;margin-right:auto}
        .cta-card .btn-accent{position:relative;z-index:1;font-size:1rem;padding:14px 32px}
        @media(max-width:640px){.cta-card{padding:36px 22px}.cta-card h2{font-size:1.4rem}}

        /* FAQ */
        .faq-section{padding:50px 0 60px;background:var(--surface)}
        .faq-grid{max-width:800px;margin:0 auto}
        .faq-item{border-bottom:1px solid var(--border-light);padding:18px 0;transition:all var(--transition-fast)}
        .faq-item:first-child{border-top:1px solid var(--border-light)}
        .faq-q{font-weight:700;font-size:1.02rem;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;transition:color var(--transition-fast)}
        .faq-q:hover{color:var(--accent)}
        .faq-q i{transition:transform var(--transition-fast);color:var(--accent);font-size:0.85rem;flex-shrink:0}
        .faq-a{color:var(--text-secondary);font-size:0.92rem;line-height:1.7;padding-top:10px;display:none}
        .faq-item.open .faq-a{display:block}
        .faq-item.open .faq-q i{transform:rotate(180deg)}
        .faq-item.open .faq-q{color:var(--accent)}

        /* 页脚 */
        .site-footer{background:var(--primary);color:rgba(255,255,255,0.8);padding:50px 0 0}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,0.1)}
        .footer-brand-name{font-size:1.3rem;font-weight:700;color:#fff;margin-bottom:10px}
        .footer-desc{font-size:0.88rem;line-height:1.7;color:rgba(255,255,255,0.6);max-width:300px}
        .footer-col h5{font-size:0.95rem;font-weight:700;color:#fff;margin-bottom:14px}
        .footer-col ul li{margin-bottom:8px}
        .footer-col ul li a{font-size:0.88rem;color:rgba(255,255,255,0.65);transition:color var(--transition-fast)}
        .footer-col ul li a:hover{color:var(--accent-light)}
        .footer-bottom{text-align:center;padding:20px 0;font-size:0.85rem;color:rgba(255,255,255,0.45)}
        @media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
        @media(max-width:480px){.footer-grid{grid-template-columns:1fr;gap:22px}}

        /* 分页 */
        .pagination-wrap{display:flex;justify-content:center;padding:10px 0 40px}
        .pagination-custom{display:flex;gap:6px;align-items:center}
        .pagination-custom .page-link{
            width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
            border:1px solid var(--border);background:var(--surface);color:var(--text-secondary);
            font-weight:500;font-size:0.9rem;transition:all var(--transition-fast);cursor:pointer;text-decoration:none
        }
        .pagination-custom .page-link:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-pale)}
        .pagination-custom .page-link.active{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:700}
        .pagination-custom .page-link.disabled{opacity:0.4;pointer-events:none}

        /* 空状态 */
        .empty-state{text-align:center;padding:60px 20px}
        .empty-state .empty-icon{font-size:3rem;color:var(--border);margin-bottom:16px}
        .empty-state h4{font-weight:700;color:var(--text);margin-bottom:6px}
        .empty-state p{color:var(--text-muted)}