/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a1a2e;
            --secondary: #e94560;
            --accent: #00d2ff;
            --success: #00b4d8;
            --bg-light: #f8f9fc;
            --bg-dark: #0f0f1a;
            --text-dark: #16213e;
            --text-body: #4a4a68;
            --text-muted: #8a8aa3;
            --border-light: #e8e8f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 28px;
            --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 10px 35px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ========== 基础重置与全局 ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        ul, ol {
            list-style: none;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
            width: 100%;
        }

        .section-padding {
            padding: 90px 0;
        }

        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-dark);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-top: 12px;
        }

        /* ========== 导航栏 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
        }

        .header-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 30px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo i {
            color: var(--secondary);
            font-size: 1.8rem;
        }

        .logo span {
            background: linear-gradient(135deg, var(--secondary), #f5a623);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 30px;
            margin-left: auto;
        }

        .header-nav a {
            font-weight: 600;
            color: var(--text-body);
            font-size: 0.95rem;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            letter-spacing: 0.02em;
        }

        .header-nav a:hover,
        .header-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--secondary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 6px 6px 6px 16px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.15);
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            width: 180px;
            color: var(--text-dark);
        }

        .search-box button {
            background: var(--primary);
            color: #fff;
            border: none;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .search-box button:hover {
            background: var(--secondary);
        }

        .btn-header {
            background: var(--secondary);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
        }

        .btn-header:hover {
            background: #d63a53;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(233, 69, 96, 0.4);
            color: #fff;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--text-dark);
            cursor: pointer;
        }

        /* ========== 首屏 Hero ========== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            overflow: hidden;
            isolation: isolate;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: -1;
            transform: scale(1.1);
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 70% 30%, rgba(0, 210, 255, 0.2) 0%, transparent 50%);
            z-index: -1;
        }

        .hero-content {
            text-align: center;
            max-width: 860px;
            padding: 0 20px;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #fff;
            margin-bottom: 25px;
            text-transform: none;
        }

        .hero-badge i {
            color: var(--accent);
        }

        .hero h1 {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 800;
            line-height: 1.12;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent), #7b61ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin: 0 auto 35px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: var(--secondary);
            color: #fff;
            border: none;
            padding: 15px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 25px rgba(233, 69, 96, 0.4);
        }

        .btn-hero-primary:hover {
            background: #d63a53;
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(233, 69, 96, 0.5);
            color: #fff;
        }

        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 15px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            backdrop-filter: blur(10px);
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            justify-content: center;
            margin-top: 60px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
            color: #fff;
        }

        .hero-stat .number {
            font-size: 2rem;
            font-weight: 800;
            display: block;
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            text-transform: none;
            letter-spacing: 0.05em;
        }

        /* ========== 数据统计板块 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: -70px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 35px 30px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .stat-card .icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 15px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
        }

        .stat-card .icon.one { background: rgba(233, 69, 96, 0.1); color: var(--secondary); }
        .stat-card .icon.two { background: rgba(0, 210, 255, 0.1); color: var(--accent); }
        .stat-card .icon.three { background: rgba(0, 180, 216, 0.1); color: var(--success); }
        .stat-card .icon.four { background: rgba(123, 97, 255, 0.1); color: #7b61ff; }

        .stat-card .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.2;
        }

        .stat-card .label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 5px;
        }

        /* ========== 关于/核心优势 ========== */
        .about-section {
            background: #fff;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .about-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .about-visual:hover img {
            transform: scale(1.03);
        }

        .about-badge-card {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(26, 26, 46, 0.85);
            backdrop-filter: blur(15px);
            border-radius: var(--radius-md);
            padding: 15px 20px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .about-badge-card i {
            font-size: 1.5rem;
            color: var(--accent);
        }

        .about-content h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .about-content p {
            margin-bottom: 20px;
        }

        .about-list {
            margin-top: 25px;
        }

        .about-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .about-list li:last-child {
            border-bottom: none;
        }

        .about-list i {
            color: var(--success);
            margin-top: 5px;
        }

        .about-list strong {
            color: var(--text-dark);
        }

        /* ========== 分类入口 ========== */
        .category-section {
            background: var(--bg-light);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

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

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .category-card .cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

        .category-card:hover .cover img {
            transform: scale(1.05);
        }

        .category-card .cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
        }

        .category-card .tag {
            position: absolute;
            top: 15px;
            left: 15px;
            z-index: 2;
            background: var(--secondary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .category-card .body {
            padding: 25px;
        }

        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .category-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .category-card .link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--secondary);
        }

        .category-card .link i {
            transition: var(--transition);
        }

        .category-card .link:hover i {
            transform: translateX(4px);
        }

        /* ========== 最新信息 / CMS 列表 ========== */
        .posts-section {
            background: #fff;
        }

        .posts-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .post-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 25px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .post-meta {
            display: inline-block;
            background: rgba(233, 69, 96, 0.1);
            color: var(--secondary);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            align-self: flex-start;
        }

        .post-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
        }

        .post-card h3 a {
            color: var(--text-dark);
        }

        .post-card h3 a:hover {
            color: var(--secondary);
        }

        .post-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            flex: 1;
        }

        .post-card .footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 15px;
            margin-top: auto;
        }

        /* ========== 流程/步骤 ========== */
        .process-section {
            background: var(--bg-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .process-section .section-title {
            color: #fff;
        }

        .process-section .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-top: 50px;
            position: relative;
        }

        .process-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        }

        .process-step {
            text-align: center;
            padding: 20px;
            position: relative;
        }

        .process-step .icon-circle {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent);
            backdrop-filter: blur(10px);
            position: relative;
            z-index: 2;
        }

        .process-step h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .process-step p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 260px;
            margin: 0 auto;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-light);
        }

        .faq-list {
            max-width: 800px;
            margin: 50px auto 0;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 15px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-item summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 25px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1rem;
            list-style: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 1.8rem;
            font-weight: 300;
            color: var(--secondary);
            transition: var(--transition);
        }

        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-item .content {
            padding: 0 25px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e, #0f3460);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.2;
        }

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

        .cta-content h2 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            color: #fff;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 auto 35px;
            font-size: 1.05rem;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            padding: 60px 0 20px;
            color: rgba(255, 255, 255, 0.6);
        }

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

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 15px;
        }

        .footer-brand .logo span {
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 0.9rem;
            max-width: 300px;
            line-height: 1.8;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

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

        .footer-links ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links ul li a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.3);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* ========== 响应式设计 ========== */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 20px;
            }
            .search-box input {
                width: 140px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid {
                gap: 40px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 60px 0;
            }
            .header-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 20px;
                box-shadow: var(--shadow-lg);
                gap: 10px;
                border-top: 1px solid var(--border-light);
            }
            .header-nav.active {
                display: flex;
            }
            .header-nav a {
                padding: 12px 20px;
                border-bottom: none;
                background: var(--bg-light);
                border-radius: var(--radius-sm);
            }
            .header-nav a:hover {
                background: rgba(233, 69, 96, 0.1);
            }
            .menu-toggle {
                display: block;
            }
            .header-actions .search-box {
                display: none;
            }
            .hero {
                min-height: 70vh;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat .number {
                font-size: 1.5rem;
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
            .about-visual {
                max-height: 320px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .process-grid::before {
                display: none;
            }
            .posts-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #b08d57;
            --primary-dark: #8a6b3c;
            --primary-light: #d4b896;
            --accent: #1a1a2e;
            --accent-2: #16213e;
            --bg: #f8f6f2;
            --bg-alt: #f0ece4;
            --text: #2d2a26;
            --text-light: #6b655c;
            --white: #ffffff;
            --border: #e5ded4;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 6px 24px rgba(0,0,0,0.06);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
            --spacing: 80px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        /* ===== Header ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            transition: var(--transition);
        }

        .header-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            white-space: nowrap;
        }

        .logo i {
            color: var(--primary);
            font-size: 24px;
        }

        .logo span {
            color: var(--primary);
        }

        .header-nav {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .header-nav a {
            padding: 10px 18px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
        }

        .header-nav a:hover {
            color: var(--primary);
            background: rgba(176, 141, 87, 0.1);
        }

        .header-nav a.active {
            color: var(--primary-dark);
            background: rgba(176, 141, 87, 0.15);
            font-weight: 600;
        }

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

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border-radius: 30px;
            padding: 4px 6px 4px 16px;
            border: 1px solid transparent;
            transition: var(--transition);
            width: 220px;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            background: white;
            box-shadow: 0 0 0 3px rgba(176, 141, 87, 0.15);
        }

        .search-box input {
            flex: 1;
            background: transparent;
            border: none;
            font-size: 14px;
            color: var(--text);
            padding: 8px 0;
            width: 100%;
        }

        .search-box button {
            background: var(--primary);
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .search-box button:hover {
            background: var(--primary-dark);
            transform: scale(1.05);
        }

        .btn-header {
            background: var(--primary);
            color: white;
            padding: 12px 24px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-header:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(176, 141, 87, 0.35);
        }

        .menu-toggle {
            display: none;
            background: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
        }

        .menu-toggle:hover {
            background: var(--bg-alt);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            padding: 160px 0 60px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.3;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(176, 141, 87, 0.15);
            filter: blur(60px);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .breadcrumb a,
        .breadcrumb span {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }

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

        .breadcrumb i {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .article-hero h1 {
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 800;
            color: white;
            line-height: 1.3;
            max-width: 820px;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
        }

        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .article-meta i {
            color: var(--primary-light);
        }

        .article-category {
            background: rgba(176, 141, 87, 0.2);
            border: 1px solid rgba(176, 141, 87, 0.4);
            color: var(--primary-light);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 60px 0;
            background: var(--bg);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .article-main {
            background: var(--white);
            border-radius: var(--radius);
            padding: 48px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(229, 222, 212, 0.5);
        }

        .article-main .content-body {
            font-size: 16.5px;
            line-height: 1.9;
            color: #4a4640;
        }

        .article-main .content-body h2,
        .article-main .content-body h3,
        .article-main .content-body h4 {
            color: var(--text);
            margin: 32px 0 16px;
            line-height: 1.4;
        }

        .article-main .content-body h2 {
            font-size: 24px;
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }

        .article-main .content-body h3 {
            font-size: 20px;
        }

        .article-main .content-body p {
            margin-bottom: 20px;
        }

        .article-main .content-body ul,
        .article-main .content-body ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }

        .article-main .content-body li {
            margin-bottom: 8px;
        }

        .article-main .content-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(176, 141, 87, 0.08);
            padding: 20px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }

        .article-main .content-body img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
        }

        .article-main .content-body a {
            color: var(--primary-dark);
            border-bottom: 1px solid var(--primary-light);
        }

        .article-main .content-body a:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        .article-divider {
            height: 1px;
            background: var(--border);
            margin: 40px 0;
        }

        .article-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .article-tag {
            background: var(--bg-alt);
            color: var(--text-light);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 13px;
            transition: var(--transition);
        }

        .article-tag:hover {
            background: var(--primary);
            color: white;
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(229, 222, 212, 0.5);
        }

        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-card h3 i {
            color: var(--primary);
        }

        .sidebar-info {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .sidebar-info-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-light);
        }

        .sidebar-info-item i {
            color: var(--primary);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }

        .sidebar-category-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-category-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text);
            transition: var(--transition);
        }

        .sidebar-category-list a:hover {
            background: var(--bg-alt);
            color: var(--primary-dark);
            padding-left: 20px;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            border-radius: var(--radius);
            padding: 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .sidebar-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(176, 141, 87, 0.2);
            filter: blur(30px);
        }

        .sidebar-cta h3 {
            color: white;
            font-size: 20px;
            margin-bottom: 12px;
        }

        .sidebar-cta p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .sidebar-cta .btn-white {
            background: white;
            color: var(--accent);
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .sidebar-cta .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
        }

        /* ===== Related ===== */
        .related-section {
            padding: 80px 0;
            background: var(--bg-alt);
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 40px;
            text-align: center;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin: 16px auto 0;
        }

        .related-grid {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -15px;
        }

        .related-grid .columns {
            padding: 15px;
        }

        .related-card {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .related-card .card-img {
            width: 100%;
            height: 160px;
            overflow: hidden;
            position: relative;
        }

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

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

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

        .related-card .card-cat {
            font-size: 12px;
            color: var(--primary-dark);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .related-card h3:hover {
            color: var(--primary);
        }

        .related-card .card-link {
            color: var(--primary);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
            font-weight: 600;
        }

        .related-card .card-link:hover {
            gap: 12px;
        }

        /* ===== CTA ===== */
        .article-cta {
            padding: 80px 0;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .article-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.2;
        }

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

        .article-cta h2 {
            color: white;
            font-size: clamp(24px, 3vw, 36px);
            margin-bottom: 16px;
        }

        .article-cta p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .btn-primary-large {
            background: var(--primary);
            color: white;
            padding: 16px 40px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }

        .btn-primary-large:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(176, 141, 87, 0.4);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #141420;
            color: rgba(255, 255, 255, 0.7);
            padding: 80px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 60px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo {
            color: white;
            font-size: 22px;
            margin-bottom: 20px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 15px;
        }

        .footer-links h4 {
            color: white;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }

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

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

        .footer-links ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 30px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            }
            .header-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-actions .search-box {
                display: none;
            }
        }

        @media screen and (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 20px 40px rgba(0,0,0,0.1);
                border-bottom: 1px solid var(--border);
                gap: 4px;
            }
            .header-nav.open {
                display: flex;
            }
            .header-actions {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .article-main {
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .article-hero {
                padding: 120px 0 40px;
            }
            .article-hero h1 {
                font-size: 26px;
            }
            .article-meta {
                gap: 12px;
            }
            .related-grid .columns {
                width: 100%;
            }
        }

        @media screen and (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .article-main {
                padding: 20px;
            }
            .section-title {
                font-size: 24px;
            }
            .article-meta .meta-item {
                font-size: 13px;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .article-hero h1 {
                font-size: 22px;
            }
        }

        /* ===== Menu toggle fix ===== */
        .menu-toggle {
            display: none;
        }

        @media screen and (max-width: 1024px) {
            .menu-toggle {
                display: flex;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 20px 40px rgba(0,0,0,0.1);
                border-bottom: 1px solid var(--border);
                gap: 4px;
                z-index: 999;
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                padding: 14px 20px;
                font-size: 16px;
            }
        }

        /* 文章内容样式补充 */
        .content-body .wp-caption {
            margin: 24px 0;
            text-align: center;
        }

        .content-body .wp-caption img {
            margin-bottom: 8px;
        }

        .content-body .wp-caption-text {
            font-size: 13px;
            color: var(--text-light);
        }

        .content-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }

        .content-body table th,
        .content-body table td {
            border: 1px solid var(--border);
            padding: 12px 16px;
            text-align: left;
        }

        .content-body table th {
            background: var(--bg-alt);
            font-weight: 600;
        }

        .content-body iframe {
            max-width: 100%;
            border-radius: var(--radius-sm);
            margin: 24px 0;
        }

        .blog-more-card {
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            padding: 24px;
            margin-top: 32px;
            text-align: center;
        }

        .blog-more-card a {
            color: var(--primary-dark);
            font-weight: 600;
        }

        .blog-more-card a:hover {
            color: var(--primary);
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #f0a62e;
            --primary-light: #ffc35e;
            --primary-dark: #d08a1e;
            --accent: #3ddad7;
            --bg-deep: #0b0f17;
            --bg-dark: #111722;
            --bg-card: rgba(255, 255, 255, 0.045);
            --bg-card-hover: rgba(255, 255, 255, 0.085);
            --text-light: #e9edf3;
            --text-body: #aab4c3;
            --text-muted: #6e7a8f;
            --border: rgba(255, 255, 255, 0.1);
            --border-strong: rgba(240, 166, 46, 0.35);
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.45);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
            --spacing-section: 96px;
            --spacing-section-mobile: 60px;
            --nav-height: 78px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ============ 基础 Reset ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        button,
        input {
            font-family: inherit;
            border: none;
            background: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ============ 容器与网格 ============ */
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-header .tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 166, 46, 0.1);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 6px 18px;
            border-radius: 100px;
            border: 1px solid var(--border-strong);
            margin-bottom: 18px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: clamp(28px, 4vw, 40px);
            letter-spacing: -0.02em;
        }

        .section-header p {
            margin-top: 14px;
            font-size: 16px;
            color: var(--text-muted);
        }

        /* ============ Header / 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 15, 23, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .container-custom {
            height: var(--nav-height);
        }

        .header-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 100%;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity 0.3s ease;
        }

        .logo:hover {
            opacity: 0.85;
        }

        .logo i {
            color: var(--primary);
            font-size: 22px;
            filter: drop-shadow(0 0 10px rgba(240, 166, 46, 0.4));
        }

        .logo span {
            color: var(--primary);
            font-weight: 800;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .header-nav a {
            padding: 10px 20px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            transition: all 0.3s ease;
            position: relative;
        }

        .header-nav a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .header-nav a.active {
            color: var(--primary-light);
            background: rgba(240, 166, 46, 0.1);
            border: 1px solid var(--border-strong);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            border-radius: 100px;
            padding: 4px 6px 4px 16px;
            height: 42px;
            transition: border-color 0.3s ease, background 0.3s ease;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.09);
        }

        .search-box input {
            background: transparent;
            color: var(--text-light);
            font-size: 14px;
            width: 130px;
            border: none;
            outline: none;
        }

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

        .search-box button {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            color: #0b0f17;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .search-box button:hover {
            background: var(--primary-light);
            transform: scale(1.05);
        }

        .btn-header {
            height: 42px;
            padding: 0 22px;
            border-radius: 100px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0b0f17;
            font-weight: 700;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 4px 20px rgba(240, 166, 46, 0.25);
        }

        .btn-header:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(240, 166, 46, 0.4);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-light);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* ============ Hero banner ============ */
        .category-hero {
            position: relative;
            padding: 160px 0 100px;
            background:
                linear-gradient(135deg, rgba(11, 15, 23, 0.92) 0%, rgba(17, 23, 34, 0.75) 50%, rgba(11, 15, 23, 0.92) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(240, 166, 46, 0.12) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(240, 166, 46, 0.12);
            border: 1px solid var(--border-strong);
            padding: 8px 20px;
            border-radius: 100px;
            margin-bottom: 28px;
            letter-spacing: 0.04em;
        }

        .hero-badge i {
            font-size: 16px;
        }

        .category-hero h1 {
            font-size: clamp(42px, 6.5vw, 72px);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            max-width: 700px;
            margin-bottom: 20px;
        }

        .category-hero h1 span {
            color: var(--primary);
            position: relative;
        }

        .category-hero .hero-desc {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-body);
            max-width: 640px;
            margin-bottom: 36px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .hero-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-body);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            padding: 8px 16px;
            border-radius: 100px;
        }

        .hero-meta .meta-item i {
            color: var(--primary);
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 100px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0b0f17;
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 6px 24px rgba(240, 166, 46, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(240, 166, 46, 0.45);
            color: #0b0f17;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 100px;
            border: 1px solid var(--border);
            color: var(--text-light);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.03);
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            background: rgba(240, 166, 46, 0.06);
            transform: translateY(-2px);
        }

        /* ============ 分类介绍 ============ */
        .about-category {
            background: var(--bg-deep);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .about-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .about-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .about-image:hover img {
            transform: scale(1.03);
        }

        .about-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(11, 15, 23, 0.6));
            pointer-events: none;
        }

        .about-content .tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .about-content h2 {
            font-size: clamp(26px, 3.6vw, 36px);
            margin-bottom: 20px;
        }

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

        .about-points {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-top: 28px;
        }

        .about-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: var(--text-light);
            padding: 12px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }

        .about-points li:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-strong);
            transform: translateX(4px);
        }

        .about-points li i {
            color: var(--primary);
            font-size: 15px;
        }

        /* ============ 测评标准数据区 ============ */
        .metrics-section {
            background: var(--bg-dark);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 18px;
            text-align: center;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transition: transform 0.4s ease;
            transform-origin: left;
        }

        .metric-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-strong);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .metric-card:hover::before {
            transform: scaleX(1);
        }

        .metric-card .score {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

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

        .metric-card .bar {
            height: 4px;
            border-radius: 2px;
            background: rgba(255, 255, 255, 0.08);
            margin-top: 14px;
            overflow: hidden;
        }

        .metric-card .bar i {
            display: block;
            height: 100%;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
        }

        /* ============ 精选测评内容 ============ */
        .review-content {
            background: var(--bg-deep);
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .content-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-8px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-xl);
            background: var(--bg-card-hover);
        }

        .card-image {
            position: relative;
            height: 210px;
            overflow: hidden;
        }

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

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

        .card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(11, 15, 23, 0.85));
        }

        .card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(240, 166, 46, 0.92);
            color: #0b0f17;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 100px;
            letter-spacing: 0.03em;
        }

        .card-score {
            position: absolute;
            bottom: 16px;
            right: 16px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(11, 15, 23, 0.8);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-strong);
            color: var(--primary-light);
            font-size: 14px;
            font-weight: 800;
            padding: 6px 14px;
            border-radius: 100px;
        }

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

        .card-body h3 {
            font-size: 19px;
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color 0.3s ease;
        }

        .content-card:hover .card-body h3 {
            color: var(--primary-light);
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 18px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .card-meta .date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: gap 0.3s ease;
        }

        .card-link:hover {
            gap: 12px;
            color: var(--primary-light);
        }

        /* ============ 测评流程 ============ */
        .process-section {
            background: var(--bg-dark);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .process-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-wrapper::before {
            content: '';
            position: absolute;
            top: 44px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), rgba(240, 166, 46, 0.1));
            border-radius: 2px;
            z-index: 0;
        }

        .process-node {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .node-icon {
            width: 88px;
            height: 88px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: var(--bg-dark);
            border: 2px solid var(--border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            box-shadow: 0 0 0 6px rgba(240, 166, 46, 0.08);
            transition: all 0.35s ease;
        }

        .process-node:hover .node-icon {
            transform: scale(1.08);
            box-shadow: 0 0 0 10px rgba(240, 166, 46, 0.15);
            background: rgba(240, 166, 46, 0.1);
        }

        .process-node .step-num {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: var(--primary-dark);
            background: rgba(240, 166, 46, 0.1);
            padding: 4px 14px;
            border-radius: 100px;
            margin-bottom: 12px;
        }

        .process-node h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .process-node p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 180px;
            margin: 0 auto;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg-deep);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--border-strong);
            background: var(--bg-card-hover);
        }

        .faq-item h3 {
            font-size: 17px;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }

        .faq-item h3 i {
            color: var(--primary);
            font-size: 16px;
            flex-shrink: 0;
        }

        .faq-item p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            padding-left: 28px;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 80px 0;
            background:
                linear-gradient(135deg, rgba(11, 15, 23, 0.88) 0%, rgba(17, 23, 34, 0.78) 100%),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-top: 1px solid var(--border);
        }

        .cta-wrapper {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-wrapper h2 {
            font-size: clamp(28px, 4vw, 44px);
            margin-bottom: 16px;
        }

        .cta-wrapper h2 span {
            color: var(--primary);
        }

        .cta-wrapper p {
            font-size: 17px;
            color: var(--text-body);
            margin-bottom: 36px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 360px;
            margin-top: 14px;
        }

        .footer-links h4 {
            font-size: 15px;
            color: var(--text-light);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .footer-links ul li {
            margin-bottom: 12px;
        }

        .footer-links ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links ul li a::before {
            content: '›';
            color: var(--primary);
            font-weight: 700;
            transition: transform 0.3s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ============ 响应式断点 ============ */
        @media screen and (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .process-wrapper {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 40px;
            }

            .process-wrapper::before {
                display: none;
            }

            .about-grid {
                gap: 40px;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --spacing-section: var(--spacing-section-mobile);
            }

            .site-header .container-custom {
                padding: 0 20px;
            }

            .header-wrapper {
                flex-wrap: wrap;
                height: auto;
                min-height: var(--nav-height);
                padding: 10px 0;
                position: relative;
            }

            .menu-toggle {
                display: flex;
                margin-left: auto;
            }

            .header-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 12px 0;
                position: absolute;
                top: 100%;
                left: 0;
                background: var(--bg-dark);
                border-bottom: 1px solid var(--border);
                z-index: 1000;
            }

            .header-nav.open {
                display: flex;
            }

            .header-nav a {
                padding: 12px 20px;
                border-radius: var(--radius-sm);
                text-align: center;
            }

            .header-actions {
                display: none;
            }

            .category-hero {
                padding: 130px 0 70px;
            }

            .category-hero h1 {
                font-size: 36px;
            }

            .about-grid {
                grid-template-columns: 1fr;
            }

            .about-image img {
                height: 260px;
            }

            .content-grid {
                grid-template-columns: 1fr;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .container-custom {
                padding: 0 20px;
            }
        }

        @media screen and (max-width: 520px) {
            .category-hero h1 {
                font-size: 30px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .process-wrapper {
                grid-template-columns: 1fr;
            }

            .hero-meta .meta-item {
                font-size: 12px;
                padding: 6px 12px;
            }

            .btn-primary,
            .btn-ghost {
                width: 100%;
                justify-content: center;
            }

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

            .faq-item {
                padding: 20px;
            }

            .faq-item h3 {
                font-size: 15px;
            }

            .faq-item p {
                padding-left: 0;
                font-size: 14px;
            }

            .logo {
                font-size: 17px;
            }
        }