/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f0e2e;
            --primary-light: #1a184a;
            --accent: #f0a500;
            --accent-hover: #d49400;
            --accent-light: #fef3d4;
            --bg: #f5f6fa;
            --bg-card: #ffffff;
            --bg-dark: #0a0a1a;
            --text: #1e1e2e;
            --text-light: #6b6b80;
            --text-white: #ffffff;
            --border: #e8e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-accent: 0 4px 20px rgba(240, 165, 0, 0.30);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container: 1200px;
            --nav-height: 76px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 导航栏 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 14, 46, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--nav-height);
            transition: background var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 0.5px;
        }
        .logo i {
            color: var(--accent);
            font-size: 28px;
        }
        .logo span {
            background: linear-gradient(135deg, #f0a500, #ffc853);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover span {
            background: linear-gradient(135deg, #ffc853, #f0a500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main a {
            position: relative;
            padding: 8px 20px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition);
        }
        .nav-main a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-main a.active {
            color: var(--primary);
            background: var(--accent);
            font-weight: 600;
            box-shadow: var(--shadow-accent);
        }
        .nav-main a.active:hover {
            background: var(--accent-hover);
            color: var(--primary);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: 40px;
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            box-shadow: var(--shadow-accent);
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(240, 165, 0, 0.35);
            color: var(--primary) !important;
        }

        /* 移动端汉堡 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 4px;
            transition: all var(--transition);
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            filter: brightness(0.35) saturate(1.1);
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 14, 46, 0.88) 0%, rgba(26, 24, 74, 0.70) 50%, rgba(15, 14, 46, 0.92) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: 40px;
            background: rgba(240, 165, 0, 0.15);
            border: 1px solid rgba(240, 165, 0, 0.25);
            color: var(--accent);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, #f0a500, #ffc853);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 50px;
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 700;
            font-size: 17px;
            transition: all var(--transition);
            box-shadow: var(--shadow-accent);
            border: none;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(240, 165, 0, 0.35);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-white) !important;
            font-weight: 600;
            font-size: 17px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .hero-stat .num .accent {
            color: var(--accent);
        }
        .hero-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 90px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            border-radius: 40px;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .section-header h2 {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 18px;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section.bg-alt {
            background: var(--bg-card);
        }
        .section.bg-dark {
            background: var(--bg-dark);
        }
        .section.bg-dark .section-header h2 {
            color: var(--text-white);
        }
        .section.bg-dark .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }
        .section.bg-dark .section-header .tag {
            background: rgba(240, 165, 0, 0.15);
            color: var(--accent);
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }
        .feature-card .icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 28px;
            margin-bottom: 20px;
            transition: all var(--transition);
        }
        .feature-card:hover .icon {
            background: var(--accent);
            color: var(--primary);
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== 分类入口（卡片网格） ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .category-card:hover .card-img img {
            transform: scale(1.06);
        }
        .category-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 14, 46, 0.50) 0%, transparent 60%);
        }
        .category-card .card-body {
            padding: 24px 22px 26px;
        }
        .category-card .card-body .tag {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 40px;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .category-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .category-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .category-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-weight: 600;
            color: var(--accent);
            font-size: 14px;
        }
        .category-card .card-body .card-link i {
            transition: transform var(--transition);
        }
        .category-card:hover .card-body .card-link i {
            transform: translateX(4px);
        }

        /* ===== 最新资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }
        .news-card .thumb {
            flex: 0 0 140px;
            height: 110px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--border);
        }
        .news-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card .info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-card .info .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .news-card .info .meta .cat {
            padding: 1px 12px;
            border-radius: 40px;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-weight: 600;
            font-size: 12px;
        }
        .news-card .info h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .info h3 a {
            color: var(--primary);
        }
        .news-card .info h3 a:hover {
            color: var(--accent);
        }
        .news-card .info .excerpt {
            font-size: 14px;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-light);
            font-size: 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .news-empty i {
            font-size: 40px;
            color: var(--border);
            margin-bottom: 16px;
            display: block;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-card {
            text-align: center;
            padding: 40px 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 44px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .stat-card .num .accent {
            color: var(--accent);
        }
        .stat-card .label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
        }

        /* ===== 使用流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 44px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--accent) 50%, transparent 50%);
            background-size: 20px 2px;
            opacity: 0.3;
            z-index: 0;
        }
        .step-card {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 24px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-card .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 18px;
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.25);
        }
        .step-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 24px;
            transition: all 0.35s ease;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 100px 0;
            position: relative;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            filter: brightness(0.25) saturate(0.8);
            z-index: 0;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 14, 46, 0.85) 0%, rgba(26, 24, 74, 0.75) 100%);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 36px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 22px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            padding: 4px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom .social {
            display: flex;
            gap: 12px;
        }
        .footer-bottom .social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.4);
            font-size: 16px;
            transition: all var(--transition);
        }
        .footer-bottom .social a:hover {
            background: var(--accent);
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 42px;
            }
            .section-header h2 {
                font-size: 32px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }
            .hamburger {
                display: flex;
            }
            .nav-main {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 14, 46, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.35s ease;
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                padding: 12px 20px;
                font-size: 16px;
                width: 100%;
                text-align: center;
            }
            .nav-main .nav-cta {
                margin-top: 8px;
                justify-content: center;
            }
            .hero {
                min-height: 80vh;
                padding: 100px 20px 60px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 17px;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 36px;
                padding-top: 28px;
            }
            .hero-stat .num {
                font-size: 28px;
            }
            .section {
                padding: 60px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card {
                padding: 28px 16px;
            }
            .stat-card .num {
                font-size: 34px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card .thumb {
                flex: unset;
                height: 180px;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-content h2 {
                font-size: 30px;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card .num {
                font-size: 28px;
            }
            .logo {
                font-size: 20px;
            }
            .logo i {
                font-size: 22px;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --secondary: #e8b830;
            --secondary-light: #f0d060;
            --secondary-dark: #c9a020;
            --accent: #ff6b35;
            --accent-light: #ff8a5c;
            --bg-body: #f4f6fb;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --bg-section-alt: #eef1f8;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8888a8;
            --text-light: #ffffff;
            --text-dark: #0d0d1a;
            --border-color: #e0e4f0;
            --border-light: #f0f2f8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 8px 28px rgba(26, 42, 108, 0.10);
            --shadow-lg: 0 18px 48px rgba(26, 42, 108, 0.14);
            --shadow-hover: 0 20px 50px rgba(26, 42, 108, 0.18);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
            --spacing-section: 80px;
            --spacing-block: 48px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-light); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--secondary);
            font-size: 26px;
            transform: rotate(-10deg);
        }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover { color: var(--primary); background: rgba(26,42,108,0.06); }
        .nav-main a.active {
            color: var(--primary);
            background: rgba(26,42,108,0.10);
            font-weight: 600;
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)) !important;
            color: var(--text-dark) !important;
            padding: 10px 24px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 700 !important;
            box-shadow: 0 4px 16px rgba(232,184,48,0.30);
            transition: var(--transition);
            margin-left: 8px;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232,184,48,0.40) !important;
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary)) !important;
        }
        .nav-cta i { margin-right: 6px; }
        .mobile-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--primary); cursor: pointer; padding: 8px; }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }
        .breadcrumb-wrap .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-wrap a { color: var(--text-muted); }
        .breadcrumb-wrap a:hover { color: var(--primary); }
        .breadcrumb-wrap span { color: var(--text-secondary); }
        .breadcrumb-wrap i { font-size: 12px; color: var(--border-color); }

        /* ===== Article Hero ===== */
        .article-hero {
            background: var(--bg-white);
            padding: 48px 0 32px;
            border-bottom: 1px solid var(--border-color);
        }
        .article-hero .container { max-width: 860px; }
        .article-hero .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .article-hero .article-tags .tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(232,184,48,0.15);
            color: var(--secondary-dark);
        }
        .article-hero .article-tags .tag-cat {
            background: rgba(26,42,108,0.10);
            color: var(--primary);
        }
        .article-hero h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .article-hero .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .article-hero .article-meta i { margin-right: 6px; color: var(--secondary); }

        /* ===== Article Content ===== */
        .article-content-wrap {
            padding: 48px 0 var(--spacing-section);
            background: var(--bg-body);
        }
        .article-content-wrap .container { max-width: 860px; }
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .article-body .content {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-body .content p { margin-bottom: 1.4em; }
        .article-body .content h2 {
            font-size: 26px;
            margin: 1.8em 0 0.8em;
            color: var(--primary);
            font-weight: 700;
        }
        .article-body .content h3 {
            font-size: 21px;
            margin: 1.6em 0 0.6em;
            color: var(--text-primary);
            font-weight: 600;
        }
        .article-body .content ul, .article-body .content ol {
            margin: 0 0 1.4em 1.6em;
            list-style: disc;
        }
        .article-body .content li { margin-bottom: 0.5em; }
        .article-body .content blockquote {
            border-left: 4px solid var(--secondary);
            background: rgba(232,184,48,0.08);
            padding: 16px 24px;
            margin: 1.4em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content img {
            border-radius: var(--radius-md);
            margin: 1.6em auto;
            box-shadow: var(--shadow-sm);
        }
        .article-body .content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-body .content a:hover { color: var(--secondary-dark); }
        .article-body .content .wp-caption-text, .article-body .content figcaption {
            font-size: 14px;
            color: var(--text-muted);
            text-align: center;
            margin-top: -0.8em;
            margin-bottom: 1.6em;
        }
        .article-body .content code {
            background: var(--bg-section-alt);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent);
        }
        .article-body .content pre {
            background: var(--bg-dark);
            color: #e8e8f0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.4em 0;
            font-size: 15px;
            line-height: 1.6;
        }
        .article-body .content hr {
            border: none;
            height: 2px;
            background: var(--border-color);
            margin: 2em 0;
        }
        .article-body .content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.4em 0;
            font-size: 15px;
        }
        .article-body .content th, .article-body .content td {
            border: 1px solid var(--border-color);
            padding: 12px 16px;
            text-align: left;
        }
        .article-body .content th {
            background: var(--bg-section-alt);
            font-weight: 600;
            color: var(--primary);
        }

        /* ===== Article Footer ===== */
        .article-footer {
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-footer .share {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .article-footer .share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-section-alt);
            color: var(--text-secondary);
            transition: var(--transition);
            font-size: 16px;
        }
        .article-footer .share a:hover { background: var(--primary); color: var(--text-light); transform: translateY(-2px); }
        .article-footer .article-nav {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .article-footer .article-nav a {
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            background: var(--bg-section-alt);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .article-footer .article-nav a:hover { background: var(--primary); color: var(--text-light); }

        /* ===== Related Articles ===== */
        .related-section {
            padding: 0 0 var(--spacing-section);
            background: var(--bg-body);
        }
        .related-section .container { max-width: 860px; }
        .related-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 28px;
            padding-bottom: 12px;
            border-bottom: 3px solid var(--secondary);
            display: inline-block;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-color);
        }
        .related-card .meta {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            gap: 12px;
        }
        .related-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card h3 a { color: var(--text-primary); }
        .related-card h3 a:hover { color: var(--primary); }
        .related-card p {
            font-size: 14px;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .not-found-box i {
            font-size: 56px;
            color: var(--border-color);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 28px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 16px;
        }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--primary);
            color: var(--text-light);
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            padding: 60px 0;
            color: var(--text-light);
            text-align: center;
        }
        .cta-section .container { max-width: 700px; }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255,255,255,0.80);
            margin-bottom: 28px;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 40px;
            background: var(--secondary);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 18px;
            border-radius: var(--radius-md);
            box-shadow: 0 6px 24px rgba(232,184,48,0.35);
            transition: var(--transition);
        }
        .cta-section .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(232,184,48,0.50);
            background: var(--secondary-light);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.75);
            padding: 56px 0 28px;
        }
        .site-footer .container { max-width: var(--max-width); }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo { color: var(--text-light); margin-bottom: 16px; }
        .footer-brand .logo span { -webkit-text-fill-color: var(--text-light); background: none; }
        .footer-brand .logo i { color: var(--secondary); }
        .footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.60); max-width: 360px; }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: rgba(255,255,255,0.40);
        }
        .footer-bottom .social { display: flex; gap: 14px; }
        .footer-bottom .social a {
            color: rgba(255,255,255,0.40);
            font-size: 20px;
            transition: var(--transition);
        }
        .footer-bottom .social a:hover { color: var(--secondary); transform: scale(1.15); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .article-body { padding: 36px 32px; }
            .article-hero h1 { font-size: 30px; }
        }
        @media (max-width: 768px) {
            :root { --spacing-section: 48px; --nav-height: 64px; }
            .mobile-toggle { display: block; }
            .nav-main {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                display: none;
                backdrop-filter: blur(18px);
            }
            .nav-main.open { display: flex; }
            .nav-main a { width: 100%; padding: 12px 16px; font-size: 16px; }
            .nav-main a.active::after { display: none; }
            .nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }
            .article-hero { padding: 28px 0 20px; }
            .article-hero h1 { font-size: 24px; }
            .article-body { padding: 24px 20px; border-radius: var(--radius-md); }
            .article-body .content { font-size: 16px; }
            .article-body .content h2 { font-size: 22px; }
            .article-body .content h3 { font-size: 18px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 24px; }
            .cta-section .cta-btn { font-size: 16px; padding: 12px 28px; }
            .article-footer { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-hero h1 { font-size: 20px; }
            .article-body { padding: 16px 14px; }
            .article-body .content { font-size: 15px; }
            .article-body .content h2 { font-size: 20px; }
            .article-body .content h3 { font-size: 17px; }
            .breadcrumb-wrap { font-size: 12px; }
            .not-found-box { padding: 40px 16px; }
            .not-found-box i { font-size: 40px; }
            .not-found-box h2 { font-size: 22px; }
        }

        /* ===== A11y ===== */
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
    :root {
        --primary: #d4a017;
        --primary-dark: #b8860b;
        --primary-light: #f0d060;
        --secondary: #1a1a2e;
        --secondary-light: #2a2a4e;
        --accent: #e94560;
        --bg-body: #f8f6f2;
        --bg-card: #ffffff;
        --bg-dark: #0f0f1a;
        --bg-section-alt: #f0ede8;
        --text-primary: #1a1a2e;
        --text-secondary: #4a4a5e;
        --text-light: #8a8a9e;
        --text-white: #f5f5f5;
        --border: #e0dcd6;
        --border-light: #f0ece6;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
        --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
        --shadow-lg: 0 20px 48px rgba(0,0,0,0.12);
        --shadow-glow: 0 0 30px rgba(212,160,23,0.15);
        --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
        --max-width: 1200px;
        --header-h: 72px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-primary);
        background: var(--bg-body);
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary-dark); }
    button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
    h1 { font-size: 2.8rem; letter-spacing: -0.02em; }
    h2 { font-size: 2rem; letter-spacing: -0.01em; }
    h3 { font-size: 1.4rem; }
    h4 { font-size: 1.1rem; }
    p { margin-bottom: 1em; color: var(--text-secondary); }
    .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
    .section { padding: 80px 0; }
    .section-alt { background: var(--bg-section-alt); }
    .section-dark { background: var(--bg-dark); color: var(--text-white); }
    .section-dark h2, .section-dark h3, .section-dark p { color: var(--text-white); }
    .section-title { text-align: center; margin-bottom: 16px; }
    .section-subtitle { text-align: center; font-size: 1.1rem; color: var(--text-light); max-width: 640px; margin: 0 auto 48px; }
    .tag {
        display: inline-block;
        padding: 4px 14px;
        border-radius: 20px;
        font-size: 0.8rem;
        font-weight: 600;
        background: var(--primary);
        color: #fff;
        letter-spacing: 0.3px;
    }
    .tag-outline {
        background: transparent;
        border: 1.5px solid var(--primary);
        color: var(--primary);
    }
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 2px 12px;
        border-radius: 12px;
        font-size: 0.75rem;
        font-weight: 600;
        background: rgba(212,160,23,0.12);
        color: var(--primary-dark);
    }
    .badge i { font-size: 0.7rem; }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: var(--radius-md);
        font-weight: 600;
        font-size: 0.95rem;
        cursor: pointer;
        transition: var(--transition);
        border: none;
        line-height: 1.2;
    }
    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 4px 14px rgba(212,160,23,0.3);
    }
    .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,160,23,0.4); }
    .btn-primary:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }
    .btn-secondary {
        background: var(--secondary);
        color: #fff;
    }
    .btn-secondary:hover { background: var(--secondary-light); color: #fff; transform: translateY(-2px); }
    .btn-outline {
        background: transparent;
        border: 2px solid var(--primary);
        color: var(--primary);
    }
    .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
    .btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }
    .btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: var(--radius-sm); }

    /* ===== Header & Navigation ===== */
    .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);
        box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        height: var(--header-h);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--header-h);
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.4rem;
        font-weight: 800;
        color: var(--secondary);
        letter-spacing: -0.5px;
    }
    .logo i { color: var(--primary); font-size: 1.6rem; }
    .logo span { background: linear-gradient(135deg, var(--secondary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .logo a { color: inherit; display: flex; align-items: center; gap: 10px; }
    .logo a:hover { color: inherit; }
    .nav-main {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .nav-main a {
        padding: 8px 18px;
        border-radius: var(--radius-sm);
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-secondary);
        transition: var(--transition);
        position: relative;
    }
    .nav-main a:hover { color: var(--primary); background: rgba(212,160,23,0.06); }
    .nav-main a.active {
        color: var(--primary);
        background: rgba(212,160,23,0.10);
        font-weight: 600;
    }
    .nav-main a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        border-radius: 2px;
        background: var(--primary);
    }
    .nav-main a.nav-cta {
        background: var(--primary);
        color: #fff;
        padding: 8px 22px;
        border-radius: var(--radius-md);
        font-weight: 600;
        box-shadow: 0 4px 12px rgba(212,160,23,0.25);
    }
    .nav-main a.nav-cta:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(212,160,23,0.35); }
    .nav-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--text-primary);
        cursor: pointer;
        padding: 4px;
    }

    /* ===== Page Hero / Banner ===== */
    .page-hero {
        position: relative;
        padding: 100px 0 80px;
        background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 60%, #0f0f1a 100%);
        overflow: hidden;
        min-height: 320px;
        display: flex;
        align-items: center;
    }
    .page-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        opacity: 0.12;
        mix-blend-mode: overlay;
    }
    .page-hero::after {
        content: '';
        position: absolute;
        top: -30%;
        right: -10%;
        width: 500px;
        height: 500px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(212,160,23,0.08) 0%, transparent 70%);
        pointer-events: none;
    }
    .page-hero .container { position: relative; z-index: 2; }
    .page-hero .tag { margin-bottom: 16px; }
    .page-hero h1 { color: #fff; font-size: 2.8rem; margin-bottom: 16px; max-width: 720px; }
    .page-hero p { color: rgba(255,255,255,0.7); font-size: 1.15rem; max-width: 560px; margin-bottom: 0; }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        color: rgba(255,255,255,0.5);
        margin-bottom: 20px;
    }
    .breadcrumb a { color: rgba(255,255,255,0.6); }
    .breadcrumb a:hover { color: var(--primary-light); }
    .breadcrumb span { color: var(--primary-light); }

    /* ===== Cards ===== */
    .card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        overflow: hidden;
        transition: var(--transition);
    }
    .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
    .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
    .card-body { padding: 20px 24px 24px; }
    .card-body h3 { margin-bottom: 8px; font-size: 1.15rem; }
    .card-body h3 a { color: var(--text-primary); }
    .card-body h3 a:hover { color: var(--primary); }
    .card-body p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 12px; }
    .card-meta { display: flex; align-items: center; gap: 16px; font-size: 0.8rem; color: var(--text-light); }
    .card-meta i { margin-right: 4px; }
    .card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }

    /* ===== Grid / Layout ===== */
    .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

    /* ===== Guide List ===== */
    .guide-list { display: flex; flex-direction: column; gap: 20px; }
    .guide-item {
        display: flex;
        align-items: flex-start;
        gap: 20px;
        padding: 24px 28px;
        background: var(--bg-card);
        border-radius: var(--radius-md);
        border: 1px solid var(--border-light);
        transition: var(--transition);
        cursor: default;
    }
    .guide-item:hover { box-shadow: var(--shadow-sm); border-color: var(--primary); }
    .guide-icon {
        flex-shrink: 0;
        width: 52px;
        height: 52px;
        border-radius: var(--radius-sm);
        background: rgba(212,160,23,0.10);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        color: var(--primary);
    }
    .guide-content h4 { font-size: 1.05rem; margin-bottom: 4px; }
    .guide-content p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0; }
    .guide-step { display: flex; align-items: center; gap: 6px; font-size: 0.75rem; color: var(--text-light); margin-top: 8px; }
    .guide-step span { background: var(--primary); color: #fff; border-radius: 50%; width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center; font-size: 0.65rem; font-weight: 700; }

    /* ===== Stats / Data ===== */
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .stat-card {
        text-align: center;
        padding: 32px 20px;
        background: rgba(255,255,255,0.04);
        border-radius: var(--radius-md);
        border: 1px solid rgba(255,255,255,0.08);
        transition: var(--transition);
    }
    .stat-card:hover { background: rgba(255,255,255,0.08); border-color: var(--primary); }
    .stat-number { font-size: 2.4rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
    .stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

    /* ===== FAQ ===== */
    .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
    .faq-item {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        border: 1px solid var(--border-light);
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover { border-color: var(--primary); }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 24px;
        font-weight: 600;
        font-size: 1rem;
        color: var(--text-primary);
        cursor: pointer;
        background: none;
        width: 100%;
        text-align: left;
        transition: var(--transition);
    }
    .faq-question:hover { color: var(--primary); }
    .faq-question i { transition: var(--transition); color: var(--text-light); font-size: 0.85rem; }
    .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
        padding: 0 24px;
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
        padding: 0 24px 20px;
    }
    .faq-answer p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 0; }

    /* ===== CTA ===== */
    .cta-section {
        text-align: center;
        padding: 80px 0;
        background: linear-gradient(135deg, var(--secondary) 0%, #0f0f1a 100%);
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
        opacity: 0.08;
    }
    .cta-section .container { position: relative; z-index: 2; }
    .cta-section h2 { color: #fff; font-size: 2.2rem; margin-bottom: 16px; }
    .cta-section p { color: rgba(255,255,255,0.65); font-size: 1.1rem; max-width: 560px; margin: 0 auto 32px; }
    .cta-section .btn { font-size: 1.05rem; padding: 16px 40px; }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(255,255,255,0.7);
        padding: 60px 0 30px;
        border-top: 1px solid rgba(255,255,255,0.06);
    }
    .site-footer .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .logo { color: #fff; margin-bottom: 16px; }
    .footer-brand .logo span { -webkit-text-fill-color: #fff; background: none; }
    .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.5); line-height: 1.7; max-width: 340px; }
    .footer-col h4 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; }
    .footer-col a {
        display: block;
        color: rgba(255,255,255,0.5);
        font-size: 0.88rem;
        padding: 4px 0;
        transition: var(--transition);
    }
    .footer-col a:hover { color: var(--primary); padding-left: 4px; }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 24px;
        border-top: 1px solid rgba(255,255,255,0.06);
        font-size: 0.82rem;
        color: rgba(255,255,255,0.35);
    }
    .footer-bottom p { margin-bottom: 0; }
    .social { display: flex; gap: 12px; }
    .social a {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(255,255,255,0.06);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255,255,255,0.5);
        font-size: 1rem;
        transition: var(--transition);
    }
    .social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .grid-4 { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        .page-hero h1 { font-size: 2.2rem; }
    }
    @media (max-width: 768px) {
        .nav-main { display: none; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 4px; box-shadow: var(--shadow-md); }
        .nav-main.open { display: flex; }
        .nav-main a { padding: 12px 16px; width: 100%; border-radius: var(--radius-sm); }
        .nav-main a.active::after { display: none; }
        .nav-main a.nav-cta { text-align: center; }
        .nav-toggle { display: block; }
        .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 20px; }
        .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 16px; }
        .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
        .page-hero { padding: 80px 0 60px; min-height: 260px; }
        .page-hero h1 { font-size: 1.8rem; }
        .section { padding: 60px 0; }
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
        .guide-item { flex-direction: column; padding: 20px; }
        h2 { font-size: 1.6rem; }
        .cta-section h2 { font-size: 1.6rem; }
    }
    @media (max-width: 520px) {
        .container { padding: 0 16px; }
        .header-inner { padding: 0 16px; }
        .grid-4 { grid-template-columns: 1fr; }
        .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
        .stat-number { font-size: 1.8rem; }
        .page-hero h1 { font-size: 1.5rem; }
        .btn-lg { padding: 14px 28px; font-size: 0.95rem; }
        .faq-question { padding: 14px 16px; font-size: 0.92rem; }
        .faq-answer { padding: 0 16px; }
        .faq-item.active .faq-answer { padding: 0 16px 16px; }
    }