/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #4f46e5;
            --primary-dark: #3730a3;
            --primary-light: #818cf8;
            --primary-bg: #eef2ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fcd34d;
            --accent-bg: #fffbeb;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-weak: #94a3b8;
            --heading: #0f172a;
            --bg: #ffffff;
            --bg-soft: #f8fafc;
            --bg-muted: #f1f5f9;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.08);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 64px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::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: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--heading);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--heading);
            background: var(--bg-muted);
        }

        .nav-link.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }

        .nav-link .badge-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-left: 6px;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-muted);
            border: 1px solid transparent;
            border-radius: var(--radius-full);
            padding: 8px 16px;
            transition: all var(--transition);
            cursor: text;
            min-width: 180px;
        }

        .search-box:hover {
            border-color: var(--border);
            background: var(--bg);
            box-shadow: var(--shadow-sm);
        }

        .search-box:focus-within {
            border-color: var(--primary-light);
            background: var(--bg);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.08);
        }

        .search-box .search-icon {
            color: var(--text-weak);
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .search-box input {
            background: transparent;
            color: var(--text);
            width: 100%;
            font-size: 0.875rem;
            min-width: 0;
        }

        .search-box input::placeholder {
            color: var(--text-weak);
            font-size: 0.85rem;
        }

        .search-shortcut {
            font-size: 0.7rem;
            color: var(--text-weak);
            background: var(--border-light);
            border-radius: 4px;
            padding: 2px 6px;
            flex-shrink: 0;
            letter-spacing: 0.04em;
        }

        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
        }

        .btn-cta-nav:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(79, 70, 229, 0.35);
            transform: translateY(-1px);
        }

        .btn-cta-nav:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(79, 70, 229, 0.2);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--heading);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 900px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                padding: 80px 24px 40px;
                gap: 0;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-slow);
                z-index: 999;
                overflow-y: auto;
            }
            .main-nav.open {
                right: 0;
            }
            .nav-link {
                width: 100%;
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: var(--radius);
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .search-box {
                min-width: auto;
                width: 140px;
            }
            .search-shortcut {
                display: none;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-cta-nav {
                padding: 9px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .search-box {
                display: none;
            }
            .btn-cta-nav {
                padding: 8px 12px;
                font-size: 0.78rem;
            }
            .logo-link {
                font-size: 1.05rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        /* Mobile overlay */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-slow);
        }
        .nav-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 80px 0 90px;
            background: var(--bg-soft);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }

        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            filter: blur(120px);
            opacity: 0.25;
            z-index: 0;
            pointer-events: none;
        }
        .hero-glow.g1 {
            top: -150px;
            left: -100px;
            background: var(--primary-light);
        }
        .hero-glow.g2 {
            bottom: -150px;
            right: -80px;
            background: var(--accent-light);
        }

        .hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 800px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-bg);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            margin-bottom: 24px;
            letter-spacing: 0.01em;
        }

        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10b981;
            animation: pulse-dot 1.8s infinite;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--heading);
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--primary), #7c3aed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 36px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-search-wrap {
            display: flex;
            align-items: center;
            gap: 0;
            max-width: 540px;
            margin: 0 auto 28px;
            background: #fff;
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-lg);
            border: 2px solid transparent;
            transition: all var(--transition);
            overflow: hidden;
        }

        .hero-search-wrap:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 6px rgba(79, 70, 229, 0.06), var(--shadow-lg);
        }

        .hero-search-wrap input {
            flex: 1;
            padding: 16px 22px;
            font-size: 1rem;
            color: var(--text);
            min-width: 0;
        }
        .hero-search-wrap input::placeholder {
            color: var(--text-weak);
        }

        .hero-search-btn {
            flex-shrink: 0;
            padding: 16px 28px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 0 var(--radius-full) var(--radius-full) 0;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-search-btn:hover {
            background: var(--primary-dark);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--heading);
            letter-spacing: -0.01em;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .hero {
                padding: 50px 0 60px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
            .hero-search-wrap input {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .hero-search-btn {
                padding: 14px 18px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-search-wrap {
                flex-direction: column;
                border-radius: var(--radius-lg);
            }
            .hero-search-wrap input {
                width: 100%;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
                text-align: center;
            }
            .hero-search-btn {
                width: 100%;
                justify-content: center;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.2rem;
            }
            .hero-stat-label {
                font-size: 0.75rem;
            }
        }

        /* ===== Sections ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-soft);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: var(--primary-bg);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--heading);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ===== Feature Cards Grid ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            background: var(--primary-bg);
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.925rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        @media (max-width: 900px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 560px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .feature-card {
                padding: 24px 20px;
            }
        }

        /* ===== Category Entrance Card ===== */
        .category-entrance {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .category-entrance:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .category-entrance-image {
            position: relative;
            height: 100%;
            min-height: 300px;
            overflow: hidden;
        }
        .category-entrance-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-entrance:hover .category-entrance-image img {
            transform: scale(1.04);
        }

        .category-entrance-body {
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-dark);
            background: var(--accent-bg);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            width: fit-content;
            letter-spacing: 0.03em;
        }
        .category-entrance-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .category-entrance-body p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 22px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.925rem;
            border: 2px solid var(--primary);
            color: var(--primary);
            transition: all var(--transition);
            width: fit-content;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
        }

        @media (max-width: 768px) {
            .category-entrance {
                grid-template-columns: 1fr;
            }
            .category-entrance-image {
                min-height: 200px;
                max-height: 260px;
            }
            .category-entrance-body {
                padding: 28px 22px;
            }
            .category-entrance-body h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== CMS List Section ===== */
        .cms-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .cms-card {
            display: flex;
            gap: 18px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .cms-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }

        .cms-card-thumb {
            width: 100px;
            height: 80px;
            border-radius: var(--radius);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-muted);
        }

        .cms-card-info {
            flex: 1;
            min-width: 0;
        }
        .cms-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--text-weak);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .cms-card-meta .cms-cat {
            background: var(--primary-bg);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.72rem;
        }
        .cms-card h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--heading);
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cms-card h4 a {
            color: inherit;
        }
        .cms-card h4 a:hover {
            color: var(--primary);
        }
        .cms-card-excerpt {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-empty {
            text-align: center;
            padding: 40px;
            color: var(--text-weak);
            font-size: 0.95rem;
            background: var(--bg-soft);
            border-radius: var(--radius-lg);
            grid-column: 1 / -1;
        }

        @media (max-width: 768px) {
            .cms-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .cms-card {
                padding: 16px;
                gap: 14px;
            }
            .cms-card-thumb {
                width: 80px;
                height: 64px;
            }
            .cms-card h4 {
                font-size: 0.9rem;
            }
        }

        /* ===== Data / Process Section ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 28px 18px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            counter-increment: step;
            position: relative;
            z-index: 1;
        }

        .process-step h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        @media (max-width: 900px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .process-step {
                padding: 22px 16px;
            }
        }

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--heading);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            transition: color var(--transition);
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition);
            color: var(--text-weak);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--primary-bg);
            color: var(--primary);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 0.925rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), #312e81);
            color: #fff;
            text-align: center;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.85;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            background: #fff;
            color: var(--primary-dark);
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
            background: #fefefe;
        }
        .btn-light:active {
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn-light {
                padding: 12px 26px;
                font-size: 0.9rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 40px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-link {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--heading);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.875rem;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-weak);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
        }

        /* ===== Misc ===== */
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-4 {
            margin-top: 16px;
        }

/* roulang page: article */
:root {
            --primary: #1a2d47;
            --primary-light: #243b5e;
            --primary-dark: #111d30;
            --accent: #c8944c;
            --accent-light: #d9ae6c;
            --accent-dark: #a67a35;
            --accent-soft: #f5e6cf;
            --bg: #f9f8f5;
            --bg-white: #ffffff;
            --bg-warm: #f5f0e8;
            --bg-card: #ffffff;
            --text: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-weak: #8a8a8a;
            --text-muted: #a8a8a8;
            --border: #e5e0d8;
            --border-light: #f0ebe3;
            --border-accent: #e0d0b0;
            --shadow-sm: 0 1px 3px rgba(26,45,71,0.06);
            --shadow-md: 0 4px 16px rgba(26,45,71,0.10);
            --shadow-lg: 0 8px 32px rgba(26,45,71,0.12);
            --shadow-xl: 0 16px 48px rgba(26,45,71,0.16);
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing: 16px;
            --spacing-md: 24px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.125rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 1.875rem;
            --font-3xl: 2.25rem;
            --font-4xl: 2.75rem;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-semibold: 600;
            --font-weight-bold: 700;
            --line-height: 1.6;
            --line-height-heading: 1.25;
            --transition-fast: 0.18s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1200px;
            --container-narrow: 860px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: var(--font-base);
            line-height: var(--line-height);
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        .container-narrow {
            max-width: var(--container-narrow);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: var(--font-weight-bold);
            font-size: var(--font-lg);
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.85;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: var(--font-lg);
            font-weight: var(--font-weight-bold);
            flex-shrink: 0;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: var(--font-sm);
            font-weight: var(--font-weight-medium);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(26,45,71,0.04);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(26,45,71,0.07);
            font-weight: var(--font-weight-semibold);
        }

        .badge-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.45); }
        }

        .search-trigger {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            color: var(--text-weak);
            font-size: var(--font-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .search-trigger:hover {
            border-color: var(--border-accent);
            color: var(--text-secondary);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .search-trigger i {
            font-size: var(--font-sm);
        }

        .search-shortcut {
            font-size: var(--font-xs);
            color: var(--text-muted);
            background: #fff;
            padding: 2px 7px;
            border-radius: var(--radius-xs);
            border: 1px solid var(--border-light);
            font-weight: var(--font-weight-medium);
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--border-light);
            color: var(--text);
            font-size: var(--font-lg);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: var(--bg-warm);
            border-color: var(--border);
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: var(--spacing);
                gap: var(--spacing-xs);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition);
                z-index: 999;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .main-nav .nav-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius);
                font-size: var(--font-base);
            }

            .search-trigger .search-shortcut {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .search-trigger span:last-child {
                display: none;
            }

            .search-trigger {
                padding: 8px 12px;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                height: 60px;
            }

            :root {
                --nav-height: 60px;
            }

            .logo-link {
                font-size: var(--font-base);
                gap: 7px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: var(--font-base);
                border-radius: var(--radius-xs);
            }

            .search-trigger {
                padding: 7px 10px;
                font-size: var(--font-xs);
            }

            .search-trigger i {
                font-size: var(--font-xs);
            }
        }

        /* Article Banner */
        .article-banner {
            background: linear-gradient(170deg, var(--primary) 0%, var(--primary-light) 40%, #1e3555 100%);
            background-image: linear-gradient(170deg, rgba(26,45,71,0.92) 0%, rgba(36,59,94,0.88) 40%, rgba(30,53,85,0.94) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 1;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: var(--font-sm);
            color: rgba(255,255,255,0.7);
            margin-bottom: var(--spacing-lg);
        }

        .breadcrumb a {
            color: rgba(255,255,255,0.8);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: rgba(255,255,255,0.4);
            font-size: var(--font-xs);
        }

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

        .article-banner-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-bottom: var(--spacing);
        }

        .article-banner-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200,148,76,0.25);
            color: var(--accent-light);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-sm);
            font-weight: var(--font-weight-medium);
            border: 1px solid rgba(200,148,76,0.3);
        }

        .article-banner-date {
            color: rgba(255,255,255,0.65);
            font-size: var(--font-sm);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-banner h1 {
            font-size: var(--font-4xl);
            font-weight: var(--font-weight-bold);
            line-height: var(--line-height-heading);
            letter-spacing: -0.02em;
            max-width: 800px;
            margin-bottom: var(--spacing);
        }

        @media (max-width: 768px) {
            .article-banner {
                padding: var(--spacing-xl) 0 var(--spacing-lg);
            }
            .article-banner h1 {
                font-size: var(--font-2xl);
            }
            .article-banner-meta {
                gap: var(--spacing);
            }
            .breadcrumb {
                font-size: var(--font-xs);
                margin-bottom: var(--spacing);
            }
        }

        @media (max-width: 520px) {
            .article-banner h1 {
                font-size: var(--font-xl);
            }
            .article-banner-category {
                font-size: var(--font-xs);
                padding: 4px 10px;
            }
        }

        /* Article Content Section */
        .article-content-section {
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-xl);
            align-items: start;
        }

        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: var(--spacing-xl);
            border: 1px solid var(--border-light);
        }

        .article-featured-image {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
        }

        .article-featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        .article-body {
            font-size: var(--font-md);
            line-height: 1.85;
            color: var(--text);
        }

        .article-body h2 {
            font-size: var(--font-2xl);
            font-weight: var(--font-weight-bold);
            color: var(--primary);
            margin: var(--spacing-xl) 0 var(--spacing);
            line-height: var(--line-height-heading);
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--border-accent);
        }

        .article-body h3 {
            font-size: var(--font-xl);
            font-weight: var(--font-weight-semibold);
            color: var(--primary);
            margin: var(--spacing-lg) 0 var(--spacing);
            line-height: var(--line-height-heading);
        }

        .article-body p {
            margin-bottom: var(--spacing);
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: var(--spacing);
            padding-left: var(--spacing-md);
        }

        .article-body ul li {
            list-style: disc;
            margin-bottom: var(--spacing-sm);
            padding-left: 4px;
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: var(--spacing-sm);
            padding-left: 4px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-soft);
            padding: var(--spacing) var(--spacing-md);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: var(--spacing-md) 0;
            color: var(--primary);
            font-style: italic;
        }

        .article-body strong {
            font-weight: var(--font-weight-semibold);
            color: var(--primary);
        }

        .article-body a {
            color: var(--accent-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
            font-weight: var(--font-weight-medium);
        }

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

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-xl);
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--border-light);
        }

        .article-tag {
            display: inline-block;
            padding: 6px 14px;
            background: var(--bg-warm);
            border-radius: var(--radius-full);
            font-size: var(--font-sm);
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }

        .article-tag:hover {
            background: var(--accent-soft);
            border-color: var(--border-accent);
            color: var(--accent-dark);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + var(--spacing-md));
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: var(--spacing-md);
            border: 1px solid var(--border-light);
            margin-bottom: var(--spacing-md);
        }

        .sidebar-card h4 {
            font-size: var(--font-base);
            font-weight: var(--font-weight-semibold);
            color: var(--primary);
            margin-bottom: var(--spacing);
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--border-accent);
        }

        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: var(--font-sm);
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            cursor: pointer;
        }

        .sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .sidebar-card ul li:hover {
            color: var(--accent-dark);
        }

        .sidebar-card ul li i {
            color: var(--accent);
            margin-right: 8px;
            font-size: var(--font-xs);
        }

        .sidebar-cta {
            background: linear-gradient(145deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            color: #fff;
            text-align: center;
            box-shadow: var(--shadow-md);
        }

        .sidebar-cta h4 {
            font-size: var(--font-md);
            font-weight: var(--font-weight-semibold);
            margin-bottom: var(--spacing-sm);
            color: #fff;
        }

        .sidebar-cta p {
            font-size: var(--font-sm);
            color: rgba(255,255,255,0.8);
            margin-bottom: var(--spacing);
            line-height: 1.5;
        }

        .btn-sidebar {
            display: inline-block;
            padding: 10px 22px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: var(--font-weight-semibold);
            font-size: var(--font-sm);
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .btn-sidebar:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(200,148,76,0.35);
        }

        @media (max-width: 900px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing);
            }
            .sidebar-card {
                margin-bottom: 0;
            }
        }

        @media (max-width: 600px) {
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .article-main {
                padding: var(--spacing-md);
                border-radius: var(--radius);
            }
            .article-body {
                font-size: var(--font-base);
            }
            .article-body h2 {
                font-size: var(--font-xl);
            }
            .article-body h3 {
                font-size: var(--font-lg);
            }
        }

        /* Not Found State */
        .not-found-state {
            text-align: center;
            padding: var(--spacing-3xl) var(--spacing-md);
        }

        .not-found-icon {
            font-size: 64px;
            color: var(--text-muted);
            margin-bottom: var(--spacing-lg);
        }

        .not-found-state h2 {
            font-size: var(--font-2xl);
            color: var(--primary);
            margin-bottom: var(--spacing);
            font-weight: var(--font-weight-bold);
        }

        .not-found-state p {
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            font-size: var(--font-md);
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: var(--font-weight-semibold);
            font-size: var(--font-base);
            transition: all var(--transition-fast);
        }

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

        /* Related Section */
        .related-section {
            padding: var(--spacing-xl) 0 var(--spacing-2xl);
            background: var(--bg-warm);
            border-top: 1px solid var(--border-light);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .section-header h2 {
            font-size: var(--font-2xl);
            font-weight: var(--font-weight-bold);
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: var(--font-md);
            max-width: 600px;
            margin: 0 auto;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }

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

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

        .related-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .related-card:hover .related-card-image img {
            transform: scale(1.06);
        }

        .related-card-body {
            padding: var(--spacing);
        }

        .related-card-body .card-tag {
            display: inline-block;
            font-size: var(--font-xs);
            color: var(--accent-dark);
            background: var(--accent-soft);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            margin-bottom: var(--spacing-sm);
            font-weight: var(--font-weight-medium);
        }

        .related-card-body h3 {
            font-size: var(--font-base);
            font-weight: var(--font-weight-semibold);
            color: var(--primary);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing);
            }
            .related-card-image {
                height: 140px;
            }
            .section-header h2 {
                font-size: var(--font-xl);
            }
        }

        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card-image {
                height: 180px;
            }
        }

        /* FAQ Section */
        .faq-section {
            padding: var(--spacing-2xl) 0;
            background: var(--bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing);
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

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

        .faq-item h4 {
            font-size: var(--font-md);
            font-weight: var(--font-weight-semibold);
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h4 i {
            color: var(--accent);
            font-size: var(--font-base);
        }

        .faq-item p {
            color: var(--text-secondary);
            font-size: var(--font-base);
            line-height: 1.7;
            padding-left: 28px;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--spacing-2xl) 0;
            background: linear-gradient(160deg, var(--primary) 0%, var(--primary-light) 50%, #1e3555 100%);
            background-image: linear-gradient(160deg, rgba(26,45,71,0.94) 0%, rgba(36,59,94,0.9) 50%, rgba(30,53,85,0.95) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            text-align: center;
            position: relative;
        }

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

        .cta-section h2 {
            font-size: var(--font-3xl);
            font-weight: var(--font-weight-bold);
            margin-bottom: var(--spacing);
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: var(--font-md);
            color: rgba(255,255,255,0.8);
            max-width: 600px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: var(--font-weight-bold);
            font-size: var(--font-base);
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(200,148,76,0.3);
        }

        .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(200,148,76,0.45);
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: var(--font-2xl);
            }
            .cta-section p {
                font-size: var(--font-base);
            }
            .btn-cta {
                padding: 12px 26px;
                font-size: var(--font-sm);
            }
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.75);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            border-top: 1px solid rgba(255,255,255,0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand .logo-link {
            color: #fff;
            font-size: var(--font-lg);
            margin-bottom: var(--spacing);
            display: inline-flex;
        }

        .footer-brand .logo-icon {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
        }

        .footer-brand p {
            font-size: var(--font-sm);
            line-height: 1.7;
            margin-top: var(--spacing);
            color: rgba(255,255,255,0.55);
            max-width: 360px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: var(--font-base);
            font-weight: var(--font-weight-semibold);
            margin-bottom: var(--spacing);
            letter-spacing: 0.01em;
        }

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

        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: var(--spacing);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: var(--font-sm);
            color: rgba(255,255,255,0.45);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-xs);
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* Utility */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1B2A4A;
            --color-primary-light: #243656;
            --color-primary-dark: #111d35;
            --color-accent: #c8963e;
            --color-accent-light: #dba04a;
            --color-accent-dark: #a6762a;
            --color-surface: #ffffff;
            --color-bg: #faf9f6;
            --color-bg-alt: #f3f0ea;
            --color-text: #1a1a1a;
            --color-text-secondary: #5a5a5a;
            --color-text-weak: #8a8a8a;
            --color-border: #e5e0d8;
            --color-border-light: #f0ece5;
            --color-shadow: rgba(27, 42, 74, 0.08);
            --color-shadow-md: rgba(27, 42, 74, 0.14);
            --color-shadow-lg: rgba(27, 42, 74, 0.22);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

        /* ========== 基础 Reset ========== */
        *,
        *::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: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul {
            list-style: none;
        }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        /* ========== Header / 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: 0 1px 8px var(--color-shadow);
            transition: all var(--transition-normal);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.82;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            position: relative;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 7px;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(27, 42, 74, 0.04);
        }

        .nav-link.active {
            color: var(--color-primary);
            background: rgba(27, 42, 74, 0.07);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-accent);
        }

        .badge-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #e74c3c;
            animation: pulse-dot 2s infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.55);
            }
            50% {
                box-shadow: 0 0 0 7px rgba(231, 76, 60, 0);
            }
        }

        .header-search-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 9px 16px;
            border-radius: 24px;
            background: var(--color-bg-alt);
            border: 1.5px solid transparent;
            transition: all var(--transition-fast);
            min-width: 200px;
        }

        .header-search:focus-within {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(200, 150, 62, 0.1);
        }

        .header-search input {
            background: transparent;
            width: 100%;
            font-size: 0.9rem;
            color: var(--color-text);
        }

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

        .header-search .fa-search {
            color: var(--color-text-weak);
            font-size: 0.85rem;
        }

        .btn-cta-sm {
            padding: 9px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.3);
        }

        .btn-cta-sm:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.45);
            transform: translateY(-1px);
        }

        /* 汉堡菜单按钮 */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            z-index: 110;
            cursor: pointer;
        }

        .hamburger-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            border-radius: 2px;
            background: var(--color-primary);
            transition: all var(--transition-normal);
        }

        .hamburger-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 移动端导航 */
        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                padding: 80px 28px 30px;
                gap: 4px;
                box-shadow: -4px 0 30px rgba(0, 0, 0, 0.15);
                transition: right var(--transition-normal);
                z-index: 105;
                overflow-y: auto;
            }
            .main-nav.open {
                right: 0;
            }
            .nav-link {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 10px;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid var(--color-accent);
                border-radius: 0 10px 10px 0;
            }
            .header-search-wrap {
                display: none;
            }
            .mobile-search-visible {
                display: flex !important;
                margin-top: 12px;
                width: 100%;
            }
            .header-search {
                min-width: unset;
                width: 100%;
            }
            .nav-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.4);
                z-index: 100;
            }
            .nav-overlay.show {
                display: block;
            }
        }

        /* ========== 分类页 Banner ========== */
        .category-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, var(--color-primary) 0%, #1a3052 40%, #1B2A4A 100%);
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }

        .category-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(27, 42, 74, 0.5) 0%, rgba(27, 42, 74, 0.85) 100%);
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
            padding-top: 50px;
            padding-bottom: 50px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

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

        .breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }

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

        .category-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .category-banner .banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 580px;
            line-height: 1.6;
        }

        .banner-stats {
            display: flex;
            gap: 28px;
            margin-top: 22px;
            flex-wrap: wrap;
        }

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

        .banner-stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .category-banner {
                min-height: 260px;
            }
            .category-banner h1 {
                font-size: 1.7rem;
            }
            .category-banner .banner-subtitle {
                font-size: 0.93rem;
            }
            .banner-stats {
                gap: 16px;
            }
            .banner-stat-item .stat-num {
                font-size: 1.3rem;
            }
        }

        /* ========== 筛选栏 ========== */
        .filter-section {
            background: #fff;
            border-bottom: 1px solid var(--color-border-light);
            padding: 0;
            position: sticky;
            top: 64px;
            z-index: 50;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }

        .filter-inner {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 0;
            flex-wrap: wrap;
        }

        .filter-label {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            white-space: nowrap;
            margin-right: 4px;
        }

        .filter-tag {
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1.5px solid var(--color-border);
            color: var(--color-text-secondary);
            background: #fff;
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: rgba(200, 150, 62, 0.04);
        }

        .filter-tag.active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.3);
        }

        .filter-count {
            font-size: 0.78rem;
            opacity: 0.8;
            margin-left: 2px;
        }

        @media (max-width: 768px) {
            .filter-section {
                top: 56px;
            }
            .filter-inner {
                gap: 6px;
                padding: 10px 0;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
        }

        /* ========== 地址列表区域 ========== */
        .address-list-section {
            padding: 50px 0 60px;
        }

        .address-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 1024px) {
            .address-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 640px) {
            .address-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* 地址卡片 */
        .address-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: 0 2px 12px var(--color-shadow);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .address-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 32px var(--color-shadow-md);
            border-color: var(--color-border);
        }

        .card-cover-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
        }

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

        .address-card:hover .card-cover-wrap img {
            transform: scale(1.06);
        }

        .card-status-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 2;
            letter-spacing: 0.02em;
        }

        .badge-new {
            background: #e74c3c;
            color: #fff;
        }

        .badge-updated {
            background: #f39c12;
            color: #fff;
        }

        .badge-recommended {
            background: #27ae60;
            color: #fff;
        }

        .card-type-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(0, 0, 0, 0.55);
            color: #fff;
            backdrop-filter: blur(6px);
            z-index: 2;
        }

        .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 650;
            color: var(--color-primary);
            line-height: 1.4;
            margin: 0;
        }

        .card-address-row {
            display: flex;
            align-items: flex-start;
            gap: 7px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .card-address-row .fa-location-dot {
            color: var(--color-accent);
            margin-top: 3px;
            flex-shrink: 0;
            font-size: 0.8rem;
        }

        .card-desc {
            font-size: 0.86rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 8px;
            border-top: 1px solid var(--color-border-light);
            font-size: 0.8rem;
            color: var(--color-text-weak);
            margin-top: auto;
        }

        .card-meta .update-time {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .card-btn-detail {
            padding: 7px 16px;
            border-radius: 18px;
            font-size: 0.82rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .card-btn-detail:hover {
            background: var(--color-primary-light);
            box-shadow: 0 3px 12px rgba(27, 42, 74, 0.3);
        }

        /* 空状态 */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--color-text-weak);
        }

        .empty-state .fa-inbox {
            font-size: 3rem;
            color: var(--color-border);
            margin-bottom: 14px;
        }

        .empty-state p {
            font-size: 1rem;
        }

        /* ========== FAQ 区域 ========== */
        .faq-section {
            padding: 60px 0;
            background: var(--color-bg-alt);
        }

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

        .section-heading h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .section-heading .heading-line {
            display: inline-block;
            width: 50px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-accent);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            text-align: left;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(27, 42, 74, 0.02);
        }

        .faq-question .fa-chevron-down {
            transition: transform var(--transition-normal);
            color: var(--color-text-weak);
            font-size: 0.8rem;
        }

        .faq-item.open .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(160deg, var(--color-primary) 0%, #1a3052 100%);
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-block;
            padding: 13px 32px;
            border-radius: 28px;
            font-weight: 650;
            font-size: 1rem;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.4);
        }

        .btn-cta-lg:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 26px rgba(200, 150, 62, 0.55);
            transform: translateY(-2px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .footer-brand .logo-link {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 10px;
            display: inline-flex;
        }

        .footer-brand .logo-icon {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-top: 8px;
            font-size: 0.88rem;
        }

        .footer-col h4 {
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            font-size: 0.95rem;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            flex-wrap: wrap;
            gap: 10px;
        }

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }