/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #E85D2C;
            --primary-dark: #C94D22;
            --primary-light: #F07A4A;
            --secondary: #1A2A3A;
            --secondary-light: #2A3F55;
            --accent: #F5A623;
            --bg-light: #F8F6F3;
            --bg-white: #FFFFFF;
            --bg-dark: #0F1A24;
            --text-primary: #1A1A2E;
            --text-secondary: #4A4A5A;
            --text-light: #8A8A9A;
            --text-white: #FFFFFF;
            --border: #E8E4E0;
            --border-light: #F0ECEA;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-hover: 0 12px 36px rgba(232,93,44,0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-primary: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --nav-height: 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-primary);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-light);
            overflow-x: hidden;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }

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

        /* ===== Utility Classes ===== */
        .text-center { text-align: center; }
        .text-primary { color: var(--primary); }
        .text-white { color: var(--text-white); }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .mb-5 { margin-bottom: 3rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-4 { margin-top: 2rem; }
        .mt-5 { margin-top: 3rem; }
        .section-padding { padding: 80px 0; }
        .section-padding-sm { padding: 50px 0; }
        .section-title-wrapper { margin-bottom: 48px; }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin-top: 10px;
        }
        .section-title.text-center::after { margin-left: auto; margin-right: auto; }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(232,93,44,0.12);
            color: var(--primary);
        }
        .badge-white { background: rgba(255,255,255,0.2); color: #fff; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: 2px solid transparent;
            text-align: center;
            justify-content: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,93,44,0.3); }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .btn-white:hover { background: var(--bg-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
        .btn-lg { padding: 16px 44px; font-size: 1.1rem; }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            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(--text-primary);
            flex-shrink: 0;
        }
        .logo:hover { color: var(--primary); }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 900;
            transform: rotate(-5deg);
        }
        .logo-text { letter-spacing: 1px; }
        .logo-text span { color: var(--primary); }

        .main-nav { display: flex; align-items: center; gap: 32px; }
        .main-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 0;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
            border-radius: 2px;
        }
        .main-nav a:hover { color: var(--primary); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--primary); }
        .main-nav a.active::after { width: 100%; }

        .nav-actions { display: flex; align-items: center; gap: 16px; }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,93,44,0.1); }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 8px 8px;
            width: 140px;
            font-size: 0.85rem;
            outline: none;
            color: var(--text-primary);
        }
        .nav-search input::placeholder { color: var(--text-light); }
        .nav-search button { color: var(--text-light); padding: 6px; font-size: 0.9rem; }
        .nav-search button:hover { color: var(--primary); }

        .menu-toggle { display: none; font-size: 1.5rem; color: var(--text-primary); padding: 8px; cursor: pointer; }

        /* ===== Mobile Nav ===== */
        .mobile-nav-overlay {
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.4);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .mobile-nav-overlay.open { opacity: 1; visibility: visible; }
        .mobile-nav-panel {
            position: fixed;
            top: var(--nav-height);
            right: 0;
            width: 300px;
            max-width: 80vw;
            height: calc(100vh - var(--nav-height));
            background: var(--bg-white);
            z-index: 1000;
            padding: 32px 24px;
            transform: translateX(100%);
            transition: var(--transition);
            box-shadow: var(--shadow-lg);
            overflow-y: auto;
        }
        .mobile-nav-panel.open { transform: translateX(0); }
        .mobile-nav-panel a {
            display: block;
            padding: 14px 0;
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-nav-panel a:hover { color: var(--primary); }
        .mobile-nav-panel a.active { color: var(--primary); font-weight: 700; }
        .mobile-nav-panel .nav-search-mobile {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border-light);
            margin-top: 16px;
        }
        .mobile-nav-panel .nav-search-mobile input {
            border: none;
            background: transparent;
            padding: 12px 8px;
            width: 100%;
            font-size: 0.95rem;
            outline: none;
        }
        .mobile-nav-panel .nav-search-mobile button { padding: 10px; color: var(--text-light); }

        /* ===== Hero Section ===== */
        .hero {
            padding-top: calc(var(--nav-height) + 30px);
            padding-bottom: 80px;
            min-height: 85vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,36,0.88) 0%, rgba(15,26,36,0.72) 50%, rgba(232,93,44,0.25) 100%);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; }
        .hero-content { max-width: 720px; }
        .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(255,255,255,0.12);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.15);
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            font-size: 3.4rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 span { color: var(--primary); }
        .hero p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.78);
            max-width: 580px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .hero-stat h3 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 2px; }
        .hero-stat h3 span { color: var(--accent); }
        .hero-stat p { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin: 0; }

        /* ===== Features / 核心说明 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
        .feature-icon {
            width: 62px;
            height: 62px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin: 0 auto 18px;
            color: #fff;
        }
        .feature-icon.orange { background: var(--primary); }
        .feature-icon.blue { background: var(--secondary); }
        .feature-icon.gold { background: var(--accent); }
        .feature-card h3 { font-size: 1.25rem; margin-bottom: 10px; }
        .feature-card p { font-size: 0.92rem; color: var(--text-secondary); margin: 0; }

        /* ===== Category Cards / 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .category-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .category-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .category-card:hover .card-img img { transform: scale(1.06); }
        .category-card .card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(transparent, rgba(0,0,0,0.3));
        }
        .category-card .card-body { padding: 22px 24px 26px; }
        .category-card .card-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .category-card .card-body p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 14px; }
        .category-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
        }
        .category-card .card-tag i { transition: var(--transition); }
        .category-card:hover .card-tag i { transform: translateX(4px); }

        /* ===== Latest News / CMS List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
        .news-card .news-thumb {
            width: 150px;
            min-height: 110px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-light);
        }
        .news-card .news-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .news-card .news-info { flex: 1; display: flex; flex-direction: column; }
        .news-card .news-category {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(232,93,44,0.1);
            padding: 2px 12px;
            border-radius: 50px;
            display: inline-block;
            width: fit-content;
            margin-bottom: 6px;
        }
        .news-card .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-title:hover { color: var(--primary); }
        .news-card .news-excerpt {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
            flex: 1;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-light);
        }
        .news-card .news-meta i { margin-right: 4px; }

        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
            color: var(--text-light);
            font-size: 1rem;
        }

        /* ===== Stats / 数据 ===== */
        .stats-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15,26,36,0.88);
        }
        .stats-section .container { position: relative; z-index: 2; }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-item { text-align: center; padding: 24px 16px; }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 6px;
        }
        .stat-item .stat-number span { color: var(--accent); }
        .stat-item .stat-label { font-size: 0.92rem; color: rgba(255,255,255,0.65); margin: 0; }

        /* ===== Process / 流程 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: linear-gradient(to right, var(--primary), var(--accent), var(--primary));
            z-index: 0;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--bg-white);
            padding: 32px 20px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .process-step .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto 16px;
            border: 4px solid var(--bg-light);
        }
        .process-step:nth-child(2) .step-number { background: var(--secondary); }
        .process-step:nth-child(3) .step-number { background: var(--accent); }
        .process-step:nth-child(4) .step-number { background: var(--primary-dark); }
        .process-step h4 { font-size: 1.05rem; margin-bottom: 6px; }
        .process-step p { font-size: 0.85rem; color: var(--text-secondary); margin: 0; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { color: var(--text-light); transition: var(--transition); font-size: 1.1rem; }
        .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 0.3s 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-secondary); margin: 0; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,36,0.9) 0%, rgba(232,93,44,0.3) 100%);
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-content { text-align: center; max-width: 640px; margin: 0 auto; }
        .cta-content h2 { color: #fff; font-size: 2.2rem; margin-bottom: 16px; }
        .cta-content p { color: rgba(255,255,255,0.75); font-size: 1.05rem; margin-bottom: 28px; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .logo .logo-icon { background: var(--primary); }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.55); max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; font-weight: 600; }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--primary); padding-left: 4px; }
        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.4); margin: 0; }
        .footer-bottom a { color: rgba(255,255,255,0.5); font-size: 0.82rem; }
        .footer-bottom a:hover { color: var(--primary); }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 38px;
            height: 38px;
            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);
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .hero h1 { font-size: 2.6rem; }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .process-grid { grid-template-columns: repeat(2, 1fr); }
            .process-grid::before { display: none; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            :root { --nav-height: 64px; }
            .section-padding { padding: 50px 0; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { flex-wrap: wrap; gap: 24px; }
            .hero-stat h3 { font-size: 1.6rem; }
            .main-nav { display: none; }
            .nav-search { display: none; }
            .menu-toggle { display: flex; align-items: center; }
            .features-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .news-card { flex-direction: column; }
            .news-card .news-thumb { width: 100%; height: 180px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-item .stat-number { font-size: 2.2rem; }
            .process-grid { grid-template-columns: 1fr; gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-content h2 { font-size: 1.8rem; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero { min-height: 70vh; padding-bottom: 50px; }
            .hero h1 { font-size: 1.8rem; }
            .hero-actions { flex-direction: column; }
            .hero-actions .btn { width: 100%; }
            .section-title { font-size: 1.5rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .stat-item { padding: 16px 12px; }
        }

        /* ===== Accessibility ===== */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 16px;
            background: var(--primary);
            color: #fff;
            padding: 12px 24px;
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            z-index: 10000;
            font-weight: 600;
        }
        .skip-link:focus { top: 0; }

        /* ===== Smooth Image Loading ===== */
        img { background: var(--bg-light); }

/* roulang page: article */
:root {
            --primary: #e53935;
            --primary-dark: #b71c1c;
            --primary-light: #ffebee;
            --accent: #ff8f00;
            --accent-light: #fff8e1;
            --bg: #f8f9fa;
            --bg-alt: #ffffff;
            --text: #1a1a2e;
            --text-light: #5a5a7a;
            --text-white: #ffffff;
            --border: #e8e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.06);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }

        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            box-shadow: var(--shadow-nav);
            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-weight: 800;
            font-size: 1.5rem;
            color: var(--text);
            letter-spacing: -0.5px;
        }
        .logo:hover { color: var(--text); }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 10px;
            font-size: 1.3rem;
            font-weight: 800;
        }
        .logo-text { color: var(--text); }
        .logo-text span { color: var(--primary); }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover { color: var(--primary); background: var(--primary-light); }
        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-toggle, .menu-toggle {
            background: none;
            border: none;
            font-size: 1.2rem;
            color: var(--text-light);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .search-toggle:hover, .menu-toggle:hover { color: var(--primary); background: var(--primary-light); }
        .menu-toggle { display: none; }

        .search-box {
            position: absolute;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            padding: 16px 24px;
            box-shadow: var(--shadow);
            display: none;
            z-index: 999;
        }
        .search-box.open { display: block; }
        .search-box form { display: flex; gap: 12px; max-width: 600px; margin: 0 auto; }
        .search-box input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            outline: none;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-box input:focus { border-color: var(--primary); }
        .search-box button {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover { background: var(--primary-dark); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 60px 0 40px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .article-hero .container-narrow { position: relative; z-index: 1; }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }
        .article-hero .breadcrumb a { color: rgba(255, 255, 255, 0.7); }
        .article-hero .breadcrumb a:hover { color: #fff; }
        .article-hero .breadcrumb span { color: rgba(255, 255, 255, 0.9); }
        .article-category-badge {
            display: inline-block;
            padding: 4px 16px;
            background: var(--primary);
            color: #fff;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .article-meta i { margin-right: 6px; }

        /* ===== Article Body ===== */
        .article-section {
            padding: 48px 0 64px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-main { min-width: 0; }
        .article-sidebar { min-width: 0; }

        .article-content {
            background: #fff;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-content p {
            margin-bottom: 20px;
            color: var(--text);
            font-size: 1.05rem;
            line-height: 1.9;
        }
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-top: 40px;
            margin-bottom: 16px;
            color: var(--text);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-content ul li {
            list-style: disc;
            margin-bottom: 8px;
            color: var(--text);
        }
        .article-content ol li {
            list-style: decimal;
            margin-bottom: 8px;
        }
        .article-content img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            width: 100%;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-content blockquote p:last-child { margin-bottom: 0; }
        .article-content a { color: var(--primary); font-weight: 500; text-decoration: underline; }
        .article-content a:hover { color: var(--primary-dark); }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag {
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .article-share span { font-weight: 600; color: var(--text-light); font-size: 0.9rem; }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-light);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .article-share a:hover { background: var(--primary); color: #fff; }

        /* ===== Sidebar ===== */
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
            position: relative;
        }
        .sidebar-card h3::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 48px;
            height: 2px;
            background: var(--primary);
        }
        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            color: var(--text);
            font-weight: 500;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: var(--transition);
        }
        .sidebar-list a:hover { color: var(--primary); }
        .sidebar-list .num {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--bg);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-light);
        }
        .sidebar-list .num.top { background: var(--primary); color: #fff; }
        .sidebar-list .text { flex: 1; font-size: 0.95rem; line-height: 1.5; }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            padding: 4px 14px;
            background: var(--bg);
            border-radius: 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            transition: var(--transition);
        }
        .sidebar-tags a:hover { background: var(--primary); color: #fff; }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            text-align: center;
        }
        .sidebar-cta h3 { color: #fff; border-bottom-color: rgba(255,255,255,0.2); }
        .sidebar-cta h3::after { background: #fff; }
        .sidebar-cta p { color: rgba(255,255,255,0.85); font-size: 0.95rem; margin-bottom: 20px; }
        .sidebar-cta .btn {
            display: inline-block;
            padding: 12px 32px;
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .sidebar-cta .btn:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

        /* ===== Related Articles ===== */
        .related-section {
            padding: 48px 0;
            background: var(--bg-alt);
        }
        .related-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 36px;
            position: relative;
        }
        .related-section h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin: 12px auto 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .related-card img { width: 100%; height: 180px; object-fit: cover; border-radius: 0; }
        .related-card .card-body { padding: 20px; }
        .related-card .card-cat {
            display: inline-block;
            padding: 2px 12px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .related-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .related-card h3 a { color: var(--text); }
        .related-card h3 a:hover { color: var(--primary); }
        .related-card .meta { font-size: 0.82rem; color: var(--text-light); }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .not-found-box .icon { font-size: 4rem; color: var(--text-light); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-light); margin-bottom: 24px; }
        .not-found-box .btn {
            display: inline-block;
            padding: 12px 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn:hover { background: var(--primary-dark); transform: translateY(-2px); }

        /* ===== Footer ===== */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255,255,255,0.85);
            padding: 56px 0 0;
        }
        .site-footer .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { margin-bottom: 16px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 360px; }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            margin-right: 8px;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .footer-social a:hover { background: var(--primary); color: #fff; }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--primary);
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: #fff; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            :root { --header-h: 60px; }
            .header-inner { padding: 0 16px; }
            .main-nav { display: none; }
            .main-nav.open { display: flex; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0; background: rgba(255,255,255,0.98); padding: 16px; box-shadow: var(--shadow); gap: 4px; }
            .main-nav.open a { padding: 12px 16px; border-radius: var(--radius-sm); }
            .menu-toggle { display: block; }
            .article-hero { padding: 40px 0 32px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-content { padding: 24px; }
            .article-content p { font-size: 1rem; }
            .article-meta { gap: 12px; font-size: 0.82rem; }
            .article-sidebar { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .search-box form { flex-direction: column; }
            .search-box input { width: 100%; }
            .search-box button { width: 100%; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .container-narrow { padding: 0 16px; }
            .article-hero h1 { font-size: 1.3rem; }
            .article-content { padding: 16px; }
            .article-content h2 { font-size: 1.3rem; }
            .logo { font-size: 1.2rem; }
            .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
            .nav-actions .search-toggle { font-size: 1rem; padding: 6px; }
            .sidebar-card { padding: 20px; }
            .related-card img { height: 160px; }
        }

        @media (min-width: 769px) {
            .main-nav { display: flex !important; }
            .menu-toggle { display: none !important; }
        }

/* roulang page: category1 */
/* =============================================
               完整设计系统 — 悟空体育官方网站 · 体育赛事分类页
               ============================================= */

        /* ---------- 设计变量 ---------- */
        :root {
            --primary: #D92D2D;
            --primary-dark: #B71C1C;
            --primary-light: #FFCDD2;
            --primary-gradient: linear-gradient(135deg, #D92D2D 0%, #FF6F00 100%);
            --accent: #FF8F00;
            --accent-light: #FFE0B2;
            --bg-body: #F5F5F5;
            --bg-card: #FFFFFF;
            --bg-dark: #1A1A2E;
            --bg-section-alt: #F0F0F5;
            --text-primary: #1A1A2E;
            --text-secondary: #4A4A6A;
            --text-muted: #8888A0;
            --text-light: #FFFFFF;
            --border-color: #E8E8F0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 12px 36px rgba(217, 45, 45, 0.18);
            --transition: 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --header-height: 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-family);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background: var(--bg-body);
            padding-top: var(--header-height);
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
            font-size: 1rem;
            transition: var(--transition);
        }
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ---------- Container ---------- */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ---------- Header / Navigation ---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            box-shadow: 0 1px 20px rgba(0, 0, 0, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 22px;
            font-weight: 900;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(217, 45, 45, 0.30);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 1px;
        }
        .logo-text span[style] {
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(217, 45, 45, 0.06);
        }
        .main-nav a.active {
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: 0 4px 16px rgba(217, 45, 45, 0.35);
            font-weight: 600;
        }
        .main-nav a.active:hover {
            box-shadow: 0 6px 22px rgba(217, 45, 45, 0.45);
            transform: translateY(-1px);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-body);
            color: var(--text-secondary);
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-toggle:hover {
            background: var(--border-color);
            color: var(--primary);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            cursor: pointer;
            gap: 5px;
            padding: 6px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .hamburger:hover {
            background: var(--bg-body);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: var(--transition);
        }

        /* ---------- Mobile Nav Drawer ---------- */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 20px 24px 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
            z-index: 999;
            border-bottom: 1px solid var(--border-color);
            animation: slideDown 0.30s ease;
        }
        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .mobile-drawer.open {
            display: block;
        }
        .mobile-drawer a {
            display: block;
            padding: 14px 16px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-drawer a:hover {
            background: rgba(217, 45, 45, 0.06);
            color: var(--primary);
        }
        .mobile-drawer a.active {
            color: var(--primary);
            background: rgba(217, 45, 45, 0.08);
            font-weight: 700;
        }
        .mobile-drawer .drawer-divider {
            height: 1px;
            background: var(--border-color);
            margin: 12px 0;
        }

        /* ---------- Hero / Banner ---------- */
        .category-hero {
            position: relative;
            padding: 80px 0 70px;
            background: linear-gradient(135deg, #1A1A2E 0%, #2D1B1B 50%, #1A1A2E 100%);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(26, 26, 46, 0.92) 0%, rgba(26, 26, 46, 0.70) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .category-hero h1 {
            font-size: 48px;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .category-hero h1 .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.80);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-tags .tag {
            display: inline-flex;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
            cursor: default;
        }
        .hero-tags .tag:hover {
            background: rgba(255, 255, 255, 0.20);
            transform: translateY(-2px);
        }
        .hero-tags .tag.tag-hot {
            background: var(--primary-gradient);
            border-color: transparent;
        }

        /* ---------- Section Common ---------- */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 40px;
            font-weight: 400;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 4px;
            margin: 14px auto 0;
        }

        /* ---------- Tag Filters ---------- */
        .tag-filters {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .tag-filters .filter-btn {
            display: inline-flex;
            padding: 8px 24px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1.5px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
        }
        .tag-filters .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(217, 45, 45, 0.04);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .tag-filters .filter-btn.active {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(217, 45, 45, 0.30);
        }

        /* ---------- Card Grid ---------- */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-body);
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.50s ease;
        }
        .card:hover .card-image img {
            transform: scale(1.05);
        }
        .card-image .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: 0 4px 12px rgba(217, 45, 45, 0.35);
            z-index: 2;
        }
        .card-image .badge.badge-accent {
            background: var(--accent);
            box-shadow: 0 4px 12px rgba(255, 143, 0, 0.35);
        }
        .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .card-body .card-meta i {
            margin-right: 4px;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .card-body h3 a {
            color: inherit;
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .card-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .card-body .card-footer .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .card-body .card-footer .read-more:hover {
            gap: 10px;
            color: var(--primary-dark);
        }
        .card-body .card-footer .date {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ---------- Stats / Data Block ---------- */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, 0.18);
        }
        .stat-item .stat-number {
            font-size: 42px;
            font-weight: 900;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }
        .stat-item .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .icon {
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform 0.30s ease;
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            padding: 80px 0;
            background: var(--primary-gradient);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 44px;
            border-radius: 50px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            background: #fff;
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
            transition: var(--transition);
        }
        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.25);
            color: var(--primary-dark);
        }
        .cta-btn i {
            font-size: 18px;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand .logo .logo-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.60);
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.70);
            font-size: 18px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.60);
            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: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.40);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.50);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }

            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .search-toggle {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }

            .category-hero {
                padding: 56px 0 48px;
                min-height: 260px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero p {
                font-size: 15px;
            }

            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 28px;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-item .stat-number {
                font-size: 32px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .cta-btn {
                padding: 14px 32px;
                font-size: 15px;
            }

            .faq-question {
                font-size: 15px;
                padding: 14px 18px;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 14px;
            }

            .tag-filters .filter-btn {
                padding: 6px 16px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
            }
            .hero-tags .tag {
                font-size: 12px;
                padding: 4px 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
            .stat-item .stat-label {
                font-size: 13px;
            }
            .section-title {
                font-size: 22px;
            }
            .card-body {
                padding: 16px 18px 20px;
            }
            .card-body h3 {
                font-size: 16px;
            }
        }

        /* ---------- Utility ---------- */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .gap-8 {
            gap: 8px;
        }

        /* 修正 Foundation 与自定义样式的冲突 */
        .grid-container {
            max-width: var(--max-width);
            padding-left: 20px;
            padding-right: 20px;
        }
        .site-footer .grid-container {
            padding-left: 0;
            padding-right: 0;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #E8601C;
            --primary-light: #F07A3A;
            --primary-dark: #C74E12;
            --primary-bg: #FEF4EE;
            --secondary: #1A2B4C;
            --secondary-light: #2C4270;
            --accent: #F5C518;
            --bg-light: #F8F9FB;
            --bg-white: #FFFFFF;
            --text-dark: #1A1A2E;
            --text-main: #2D3436;
            --text-muted: #6B7A8F;
            --text-light: #9BA6B5;
            --border-light: #E8EDF2;
            --border-medium: #D0D8E0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 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-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-white);
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary-dark);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            line-height: 1.25;
            font-weight: 700;
        }
        p {
            margin-bottom: 0.5rem;
            color: var(--text-main);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Foundation 覆盖 ===== */
        .grid-container {
            max-width: var(--max-width);
            padding: 0 24px;
        }
        .grid-x,
        .grid-padding-x .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .cell {
            padding: 0 12px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            border-radius: 10px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.3px;
        }
        .logo-text span:last-child {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--bg-light);
            border-radius: 50%;
            color: var(--text-muted);
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-toggle:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            background: var(--bg-light);
            border-radius: 50%;
            cursor: pointer;
            gap: 4px;
            transition: var(--transition);
            border: none;
            padding: 0;
        }
        .hamburger:hover {
            background: var(--primary-bg);
        }
        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 4px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(4px, -4px);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 32px 24px;
            flex-direction: column;
            gap: 8px;
            z-index: 999;
            overflow-y: auto;
            opacity: 0;
            transform: translateY(-12px);
            transition: opacity 0.3s ease, transform 0.3s ease;
        }
        .mobile-menu.open {
            display: flex;
            opacity: 1;
            transform: translateY(0);
        }
        .mobile-menu a {
            display: block;
            padding: 16px 20px;
            font-size: 18px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--primary-bg);
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .category-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .category-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;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 96, 28, 0.15), transparent 70%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border-radius: 40px;
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .category-hero .hero-badge i {
            color: var(--accent);
        }
        .category-hero h1 {
            font-size: 52px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -1px;
            line-height: 1.1;
        }
        .category-hero h1 span {
            color: var(--primary);
        }
        .category-hero p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(232, 96, 28, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 96, 28, 0.35);
            color: #fff;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: transparent;
            color: #fff;
            font-size: 16px;
            font-weight: 500;
            border-radius: var(--radius-md);
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block.bg-light {
            background: var(--bg-light);
        }
        .section-block.bg-primary-light {
            background: var(--primary-bg);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .subtitle {
            display: inline-block;
            padding: 4px 16px;
            background: var(--primary-bg);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            border-radius: 40px;
            margin-bottom: 12px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-header h2 span {
            color: var(--primary);
        }
        .section-header p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== 分类卡片 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .cat-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .cat-card .icon-wrap {
            width: 60px;
            height: 60px;
            background: var(--primary-bg);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            margin: 0 auto 16px;
            transition: var(--transition);
        }
        .cat-card:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
        }
        .cat-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cat-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .cat-card .tag-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 6px;
        }
        .cat-card .tag {
            padding: 2px 12px;
            background: var(--bg-light);
            border-radius: 20px;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== 计划流程 ===== */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            position: relative;
        }
        .flow-step {
            text-align: center;
            position: relative;
        }
        .flow-step .step-num {
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(232, 96, 28, 0.25);
        }
        .flow-step h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .flow-step:not(:last-child)::after {
            content: '→';
            position: absolute;
            right: -20px;
            top: 20px;
            font-size: 28px;
            color: var(--border-medium);
            font-weight: 300;
        }
        @media (max-width: 900px) {
            .flow-step:not(:last-child)::after {
                display: none;
            }
        }

        /* ===== 文章资讯卡 ===== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
        }
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .article-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }
        .article-card .card-body {
            padding: 20px 22px 24px;
        }
        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .article-card .card-meta .badge {
            padding: 2px 12px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
        .article-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-card h3 a {
            color: var(--text-dark);
        }
        .article-card h3 a:hover {
            color: var(--primary);
        }
        .article-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .article-card .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-card .read-more:hover {
            gap: 10px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.06;
            mix-blend-mode: overlay;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-block h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-block .btn-primary {
            font-size: 18px;
            padding: 16px 44px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 15px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            color: rgba(255, 255, 255, 0.6);
            font-size: 18px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 40px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu.open {
                display: flex;
            }
            .category-hero {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero p {
                font-size: 17px;
            }
            .section-block {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 28px;
            }
            .flow-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .logo-text {
                font-size: 18px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 18px;
            }
        }

        /* ===== 滚动渐入 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 搜索面板 ===== */
        .search-panel {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            z-index: 2000;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 24px;
        }
        .search-panel.open {
            display: flex;
        }
        .search-panel-inner {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            width: 100%;
            max-width: 540px;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .search-panel-inner .close-search {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 24px;
            color: var(--text-light);
            cursor: pointer;
            background: none;
            border: none;
            transition: var(--transition);
        }
        .search-panel-inner .close-search:hover {
            color: var(--primary);
        }
        .search-panel-inner h3 {
            font-size: 20px;
            margin-bottom: 16px;
        }
        .search-panel-inner .search-input-wrap {
            display: flex;
            gap: 12px;
        }
        .search-panel-inner input[type="text"] {
            flex: 1;
            padding: 14px 20px;
            border: 2px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 16px;
            transition: var(--transition);
            background: var(--bg-light);
        }
        .search-panel-inner input[type="text"]:focus {
            border-color: var(--primary);
            background: #fff;
        }
        .search-panel-inner .btn-primary {
            padding: 14px 28px;
        }

/* roulang page: category3 */
/* ========== Design Variables ========== */
        :root {
            --primary: #e85d1f;
            --primary-dark: #c94d12;
            --primary-light: #f07a3a;
            --secondary: #1a2a4a;
            --accent: #f5a623;
            --bg-light: #f8f6f2;
            --bg-white: #ffffff;
            --bg-dark: #0f1a2e;
            --text-dark: #1a1a2e;
            --text-body: #3d3d4a;
            --text-weak: #7a7a8a;
            --text-white: #f0f0f0;
            --border: #e6e3dd;
            --radius: 12px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
            --nav-h: 52px;
        }

        /* ========== 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-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
        }

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

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

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-family);
            transition: var(--transition);
        }
        button:focus-visible,
        .button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }

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

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 22px;
            font-weight: 800;
        }
        .logo .logo-text {
            color: var(--text-dark);
        }
        .logo .logo-text span[style] {
            color: var(--primary);
        }
        .logo:hover {
            opacity: 0.9;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            display: block;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(232, 93, 31, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(232, 93, 31, 0.10);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-actions .search-toggle {
            background: none;
            border: none;
            font-size: 18px;
            color: var(--text-body);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .header-actions .search-toggle:hover {
            color: var(--primary);
            background: rgba(232, 93, 31, 0.06);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            padding: 4px 8px;
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            z-index: 999;
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-drawer a:hover {
            color: var(--primary);
            background: rgba(232, 93, 31, 0.06);
        }
        .mobile-drawer a.active {
            color: var(--primary);
            background: rgba(232, 93, 31, 0.10);
            font-weight: 600;
        }

        /* ========== Hero / Banner ========== */
        .category-banner {
            margin-top: calc(var(--header-h));
            background: linear-gradient(135deg, var(--secondary) 0%, #1e3a5f 100%);
            min-height: 200px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding: 60px 0 50px;
        }
        .category-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-banner h1 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .category-banner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 700px;
            margin: 0 auto 16px;
            line-height: 1.6;
        }
        .category-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .category-banner .banner-tags span {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.9);
            border-radius: 20px;
            font-size: 14px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            padding: 16px 0 8px;
            background: var(--bg-light);
        }
        .breadcrumb-wrap .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-weak);
        }
        .breadcrumb-wrap .breadcrumb a {
            color: var(--text-weak);
        }
        .breadcrumb-wrap .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb-wrap .breadcrumb .sep {
            color: var(--border);
            margin: 0 4px;
        }
        .breadcrumb-wrap .breadcrumb .current {
            color: var(--text-dark);
            font-weight: 600;
        }

        /* ========== Section Common ========== */
        .section {
            padding: 60px 0;
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 8px;
            text-align: center;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            text-align: center;
            margin-bottom: 36px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-title-left {
            text-align: left;
        }
        .section-subtitle-left {
            text-align: left;
            margin-left: 0;
        }

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

        .equip-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .equip-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .equip-card .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            background: #eae7e2;
        }
        .equip-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .equip-card .card-tag {
            display: inline-block;
            padding: 2px 12px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(232, 93, 31, 0.08);
            border-radius: 20px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .equip-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .equip-card h3 a {
            color: var(--text-dark);
        }
        .equip-card h3 a:hover {
            color: var(--primary);
        }
        .equip-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 10px;
        }
        .equip-card .card-meta i {
            margin-right: 4px;
            font-size: 12px;
        }
        .equip-card .card-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .equip-card .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .equip-card .card-footer .price {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }
        .equip-card .card-footer .price small {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-weak);
        }
        .equip-card .card-footer .btn-sm {
            padding: 6px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            border: none;
            font-weight: 600;
        }
        .equip-card .card-footer .btn-sm:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }

        /* ========== Featured / 图文大卡片 ========== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .feature-block.reverse {
            direction: rtl;
        }
        .feature-block.reverse>* {
            direction: ltr;
        }
        .feature-block .feat-img {
            width: 100%;
            height: 100%;
            min-height: 300px;
            object-fit: cover;
            background: #eae7e2;
        }
        .feature-block .feat-content {
            padding: 40px 40px 40px 20px;
        }
        .feature-block.reverse .feat-content {
            padding: 40px 20px 40px 40px;
        }
        .feature-block .feat-content .feat-label {
            display: inline-block;
            padding: 2px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(232, 93, 31, 0.08);
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .feature-block .feat-content h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .feature-block .feat-content p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .feature-block .feat-content .feat-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 20px;
        }
        .feature-block .feat-content .feat-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
        }
        .feature-block .feat-content .feat-list li i {
            color: var(--primary);
            margin-top: 3px;
            font-size: 14px;
        }
        .feature-block .feat-content .btn-primary {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            border: none;
        }
        .feature-block .feat-content .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== Brand / 品牌墙 ========== */
        .brand-wall {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px 48px;
            padding: 20px 0;
        }
        .brand-wall .brand-item {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-weak);
            opacity: 0.6;
            transition: var(--transition);
            letter-spacing: 1px;
        }
        .brand-wall .brand-item:hover {
            opacity: 1;
            color: var(--text-dark);
        }

        /* ========== Stats / 数据 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stats-grid .stat-item {
            background: var(--bg-white);
            padding: 28px 16px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stats-grid .stat-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .stats-grid .stat-item .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stats-grid .stat-item .stat-label {
            font-size: 15px;
            color: var(--text-weak);
            margin-top: 6px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-family);
            transition: var(--transition);
        }
        .faq-item .faq-q i {
            transition: var(--transition);
            color: var(--text-weak);
            font-size: 14px;
        }
        .faq-item .faq-q:hover {
            color: var(--primary);
        }
        .faq-item .faq-q[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-a {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            display: none;
        }
        .faq-item .faq-a.open {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #1e3a5f 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 24px;
        }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 14px 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 17px;
            border: none;
            transition: var(--transition);
        }
        .cta-section .btn-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 93, 31, 0.3);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand .logo {
            margin-bottom: 12px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .site-footer .footer-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, 0.6);
            font-size: 16px;
            transition: var(--transition);
            margin-right: 8px;
        }
        .site-footer .footer-social a:hover {
            background: var(--primary);
            color: #fff;
        }
        .site-footer .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .footer-col a {
            display: block;
            padding: 4px 0;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .card-grid.col-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-block {
                grid-template-columns: 1fr;
            }
            .feature-block.reverse {
                direction: ltr;
            }
            .feature-block .feat-content {
                padding: 24px 28px 32px;
            }
            .feature-block.reverse .feat-content {
                padding: 24px 28px 32px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-banner h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .main-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-actions .search-toggle {
                display: none;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .card-grid.col-2,
            .card-grid.col-4 {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-banner {
                min-height: 160px;
                padding: 40px 0 36px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner p {
                font-size: 15px;
            }
            .feature-block .feat-content h2 {
                font-size: 22px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stats-grid .stat-item .stat-num {
                font-size: 28px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .brand-wall {
                gap: 20px 28px;
            }
            .brand-wall .brand-item {
                font-size: 15px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .faq-item .faq-q {
                font-size: 15px;
                padding: 14px 18px;
            }
            .faq-item .faq-a {
                padding: 0 18px 14px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-banner h1 {
                font-size: 22px;
            }
            .category-banner .banner-tags span {
                font-size: 12px;
                padding: 4px 12px;
            }
            .equip-card .card-body {
                padding: 16px 16px 20px;
            }
            .feature-block .feat-content {
                padding: 16px 18px 24px;
            }
            .feature-block.reverse .feat-content {
                padding: 16px 18px 24px;
            }
            .stats-grid .stat-item {
                padding: 18px 12px;
            }
            .stats-grid .stat-item .stat-num {
                font-size: 24px;
            }
        }

        /* ========== Utility ========== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .bg-white {
            background: var(--bg-white);
        }
        .bg-light {
            background: var(--bg-light);
        }
        .rounded-full {
            border-radius: 999px;
        }