/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #c9a84c;
            --clr-primary-light: #e8c55a;
            --clr-primary-dark: #a8882e;
            --clr-accent: #d4a017;
            --clr-bg-dark: #0a0a12;
            --clr-bg-mid: #12121f;
            --clr-bg-card: #1a1a2e;
            --clr-bg-card-hover: #22223a;
            --clr-bg-elevated: #252540;
            --clr-text-primary: #f0f0f0;
            --clr-text-secondary: #c0c0d0;
            --clr-text-muted: #8888a0;
            --clr-border: #2a2a45;
            --clr-border-light: #3a3a55;
            --clr-shadow: rgba(0, 0, 0, 0.4);
            --clr-glow: rgba(201, 168, 76, 0.25);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.6);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--clr-bg-dark);
            color: var(--clr-text-primary);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
        }

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

        a {
            color: var(--clr-primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #fff;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 10, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--clr-border);
            height: var(--header-height);
            transition: background var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 10, 18, 0.98);
            border-color: var(--clr-border-light);
        }

        .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 {
            font-size: 1.45rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: opacity var(--transition);
        }
        .logo:hover {
            opacity: 0.85;
            color: #fff;
        }
        .logo i {
            color: var(--clr-primary);
            font-size: 1.6rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .nav-list a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--clr-text-secondary);
            transition: all var(--transition);
            position: relative;
        }

        .nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-list a.active {
            color: #fff;
            background: rgba(201, 168, 76, 0.15);
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--clr-primary);
            border-radius: 2px;
        }

        .nav-cta {
            background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary)) !important;
            color: #fff !important;
            padding: 8px 22px !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.25);
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(201, 168, 76, 0.35);
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light)) !important;
        }

        /* 移动端汉堡 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--clr-text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 移动端菜单面板 */
        .mobile-menu {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(10, 10, 18, 0.98);
            backdrop-filter: blur(20px);
            padding: 24px 28px;
            border-bottom: 1px solid var(--clr-border);
            transform: translateY(-120%);
            opacity: 0;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            pointer-events: none;
            z-index: 999;
        }
        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: all;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--clr-text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a.active {
            color: var(--clr-primary-light);
        }
        .mobile-menu .nav-cta {
            display: inline-block;
            margin-top: 12px;
            padding: 12px 28px !important;
            text-align: center;
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            min-height: 88vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: calc(var(--header-height) + 48px) 24px 80px;
            background: linear-gradient(160deg, #0a0a12 0%, #12121f 40%, #1a1a2e 70%, #0f0f1a 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 70%;
            height: 140%;
            background: radial-gradient(ellipse at center, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -15%;
            width: 60%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(201, 168, 76, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 168, 76, 0.12);
            border: 1px solid rgba(201, 168, 76, 0.25);
            border-radius: 100px;
            padding: 6px 20px;
            font-size: 0.85rem;
            color: var(--clr-primary-light);
            margin-bottom: 28px;
            letter-spacing: 0.02em;
        }
        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero h1 {
            font-size: clamp(2.6rem, 7vw, 4.8rem);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #ffffff 20%, var(--clr-primary-light) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 1.15rem;
            color: var(--clr-text-secondary);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary));
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(201, 168, 76, 0.4);
            color: #fff;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--clr-text-primary);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 1rem;
            border: 1px solid var(--clr-border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-secondary:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary-light);
            background: rgba(201, 168, 76, 0.06);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
        }
        .hero-stat .num span {
            color: var(--clr-primary-light);
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--clr-text-muted);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--clr-bg-mid);
        }
        .section-darker {
            background: var(--clr-bg-dark);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }
        .section-header .tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--clr-primary-light);
            background: rgba(201, 168, 76, 0.1);
            padding: 4px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
        }
        .section-header h2 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-header p {
            color: var(--clr-text-secondary);
            font-size: 1.05rem;
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }

        .feature-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--clr-primary-dark), var(--clr-primary-light));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            border-color: var(--clr-primary-dark);
            box-shadow: var(--shadow-hover);
            background: var(--clr-bg-card-hover);
        }
        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card .icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(201, 168, 76, 0.12);
            color: var(--clr-primary-light);
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .feature-card p {
            color: var(--clr-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            padding: 40px 32px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            min-height: 240px;
        }
        .category-card:hover {
            transform: translateY(-6px);
            border-color: var(--clr-primary-dark);
            box-shadow: var(--shadow-hover);
            background: var(--clr-bg-card-hover);
        }

        .category-card .cat-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(201, 168, 76, 0.12);
            color: var(--clr-primary-light);
            font-size: 1.3rem;
            margin-bottom: 18px;
        }
        .category-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .category-card p {
            color: var(--clr-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            flex: 1;
        }
        .category-card .cat-link {
            margin-top: 20px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--clr-primary-light);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition);
        }
        .category-card .cat-link i {
            font-size: 0.75rem;
            transition: transform var(--transition);
        }
        .category-card:hover .cat-link {
            gap: 14px;
        }
        .category-card:hover .cat-link i {
            transform: translateX(4px);
        }

        /* ===== 最新资讯 / CMS 列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .news-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            border-color: var(--clr-border-light);
            box-shadow: var(--shadow-hover);
            background: var(--clr-bg-card-hover);
        }

        .news-card .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--clr-text-muted);
            margin-bottom: 12px;
        }
        .news-card .meta .cat-tag {
            background: rgba(201, 168, 76, 0.12);
            color: var(--clr-primary-light);
            padding: 2px 12px;
            border-radius: 100px;
            font-weight: 500;
            font-size: 0.75rem;
        }
        .news-card .meta .date {
            color: var(--clr-text-muted);
        }

        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card h3 a {
            color: #fff;
            transition: color var(--transition);
        }
        .news-card h3 a:hover {
            color: var(--clr-primary-light);
        }

        .news-card p {
            color: var(--clr-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .read-more {
            margin-top: 18px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--clr-primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .news-card .read-more i {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }
        .news-card:hover .read-more {
            gap: 12px;
        }
        .news-card:hover .read-more i {
            transform: translateX(4px);
        }

        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            color: var(--clr-text-muted);
            background: var(--clr-bg-card);
            border: 1px dashed var(--clr-border);
            border-radius: var(--radius-md);
        }
        .news-empty i {
            font-size: 2rem;
            margin-bottom: 16px;
            opacity: 0.5;
        }

        /* ===== 数据 / 统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 28px;
            text-align: center;
        }
        .stat-item {
            padding: 32px 16px;
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--clr-border);
            transition: all var(--transition);
        }
        .stat-item:hover {
            border-color: var(--clr-primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-item .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-item .num span {
            color: var(--clr-primary-light);
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            margin-top: 8px;
        }

        /* ===== 流程 / 步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            counter-reset: step;
        }
        .step-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            position: relative;
            transition: all var(--transition);
            counter-increment: step;
        }
        .step-card:hover {
            transform: translateY(-4px);
            border-color: var(--clr-border-light);
            box-shadow: var(--shadow-hover);
        }
        .step-card::before {
            content: counter(step);
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 2.8rem;
            font-weight: 900;
            color: rgba(201, 168, 76, 0.08);
            line-height: 1;
        }
        .step-card .step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(201, 168, 76, 0.1);
            color: var(--clr-primary-light);
            font-size: 1.4rem;
        }
        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .step-card p {
            color: var(--clr-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item.active {
            border-color: var(--clr-primary-dark);
        }
        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--clr-primary-light);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--clr-text-muted);
            transition: transform var(--transition);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--clr-primary-light);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--clr-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, #12121f 0%, #1a1a2e 50%, #12121f 100%);
            border-top: 1px solid var(--clr-border);
            border-bottom: 1px solid var(--clr-border);
            padding: 80px 0;
            text-align: center;
        }
        .cta-content {
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-content p {
            color: var(--clr-text-secondary);
            font-size: 1.05rem;
            margin-bottom: 32px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #06060d;
            border-top: 1px solid var(--clr-border);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--clr-text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--clr-primary-light);
        }
        .footer-bottom {
            border-top: 1px solid var(--clr-border);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--clr-text-muted);
        }
        .footer-bottom a {
            color: var(--clr-text-muted);
        }
        .footer-bottom a:hover {
            color: var(--clr-primary-light);
        }
        .footer-socials {
            display: flex;
            gap: 16px;
        }
        .footer-socials a {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--clr-text-muted);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .footer-socials a:hover {
            background: var(--clr-primary-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero {
                min-height: auto;
                padding-top: calc(var(--header-height) + 40px);
                padding-bottom: 60px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .nav-list {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 40px;
                padding-top: 28px;
            }
            .hero-stat .num {
                font-size: 1.6rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .features-grid,
            .category-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                padding: 56px 0;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .category-card {
                padding: 28px 20px;
                min-height: auto;
            }
            .feature-card {
                padding: 28px 20px;
            }
            .news-card {
                padding: 22px 18px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo i {
                font-size: 1.2rem;
            }
        }

        /* ===== 工具类 ===== */
        .text-glow {
            text-shadow: 0 0 40px rgba(201, 168, 76, 0.15);
        }
        .border-glow {
            box-shadow: 0 0 30px rgba(201, 168, 76, 0.06);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e53e3e;
            --primary-dark: #c53030;
            --primary-light: #f56565;
            --accent: #f6ad55;
            --accent-light: #fbd38d;
            --bg-body: #f8f7f4;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #1a202c;
            --bg-dark-light: #2d3748;
            --text-primary: #1a202c;
            --text-secondary: #4a5568;
            --text-muted: #a0aec0;
            --text-white: #f7fafc;
            --border-color: #e2e8f0;
            --border-light: #edf2f7;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 2px; }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; font-size: 1rem; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-h);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .logo i { color: var(--primary); font-size: 1.6rem; }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }
        .nav-list a:hover { color: var(--primary); background: rgba(229,62,62,0.06); }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(229,62,62,0.10);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-list a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 8px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-list a.nav-cta:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; }
        .nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; cursor: pointer; background: none; border: none; }
        .nav-toggle span { display: block; width: 26px; height: 2.5px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }
        .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .nav-toggle.active span:nth-child(2) { opacity: 0; }
        .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
        @media (max-width: 768px) {
            .nav-toggle { display: flex; }
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition);
            }
            .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-list a { width: 100%; padding: 12px 16px; font-size: 1.05rem; }
            .nav-list a.nav-cta { text-align: center; margin-top: 8px; }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(229,62,62,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .article-hero .container { position: relative; z-index: 1; }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .article-hero .breadcrumb a { color: var(--accent-light); }
        .article-hero .breadcrumb a:hover { color: var(--accent); }
        .article-hero .breadcrumb span { color: var(--text-muted); }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            max-width: 820px;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .article-meta .badge {
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .article-meta i { margin-right: 6px; opacity: 0.7; }
        @media (max-width: 768px) {
            .article-hero { padding: 40px 0 32px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-meta { gap: 10px 16px; font-size: 0.85rem; }
        }

        /* ===== Article Content ===== */
        .article-main { padding: 48px 0 60px; }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .article-body .content p { margin-bottom: 1.2em; }
        .article-body .content h2 { font-size: 1.5rem; margin-top: 1.8em; margin-bottom: 0.6em; color: var(--text-primary); }
        .article-body .content h3 { font-size: 1.25rem; margin-top: 1.4em; margin-bottom: 0.5em; color: var(--text-primary); }
        .article-body .content ul, .article-body .content ol { margin-bottom: 1.2em; padding-left: 1.6em; }
        .article-body .content li { margin-bottom: 0.4em; list-style: disc; }
        .article-body .content a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            padding: 12px 20px;
            background: rgba(229,62,62,0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.2em 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content img { border-radius: var(--radius-md); margin: 1.5em 0; box-shadow: var(--shadow-sm); }
        .article-body .content .highlight { background: rgba(246,173,85,0.15); padding: 0 4px; border-radius: 3px; }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
            position: sticky;
            top: calc(var(--header-h) + 24px);
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-related a {
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .sidebar-related a:last-child { border-bottom: none; }
        .sidebar-related a:hover { color: var(--primary); padding-left: 6px; }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            display: inline-block;
            padding: 4px 14px;
            background: var(--bg-body);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .sidebar-tags a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { position: static; }
        }
        @media (max-width: 768px) {
            .article-body { padding: 24px 20px; }
            .article-body .content { font-size: 1rem; }
        }

        /* ===== Not Found ===== */
        .not-found-block {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .not-found-block i { font-size: 4rem; color: var(--text-muted); margin-bottom: 20px; }
        .not-found-block h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-block p { color: var(--text-secondary); margin-bottom: 24px; }
        .not-found-block .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-block .btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); color: #fff; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-muted);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { color: var(--text-white); margin-bottom: 16px; }
        .footer-brand .logo span { -webkit-text-fill-color: #fff; background: none; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 360px; }
        .footer-col h4 { color: var(--text-white); font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-col a i { width: 20px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-socials a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .footer-brand { grid-column: 1 / -1; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
        }

        /* ===== Misc ===== */
        .text-center { text-align: center; }
        .mt-8 { margin-top: 8px; }
        .mb-8 { margin-bottom: 8px; }
        .gap-4 { gap: 4px; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #f1c0b8;
            --secondary: #1d3557;
            --secondary-light: #2a4a7f;
            --accent: #f4a261;
            --bg: #fafafa;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --bg-section-alt: #f1f5f9;
            --text: #1a1a2e;
            --text-light: #4a4a6a;
            --text-muted: #8888a0;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 16px 48px 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: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container: 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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            padding-top: var(--header-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .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);
            box-shadow: var(--shadow-nav);
            z-index: 1000;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .logo i {
            font-size: 1.6rem;
            color: var(--primary);
        }
        .logo span {
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: var(--radius-xs);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-list a:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.10);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .nav-list a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
        }
        .nav-list a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            font-size: 1.6rem;
            color: var(--secondary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-xs);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        @media (max-width: 868px) {
            .nav-toggle {
                display: block;
            }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                z-index: 999;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 18px;
                font-size: 1.05rem;
            }
            .nav-list a.nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
            }
            .nav-list a.active::after {
                display: none;
            }
        }

        /* ===== 页面头部 ===== */
        .page-hero {
            background: linear-gradient(135deg, var(--secondary) 0%, #0a1628 100%);
            padding: 80px 0 64px;
            position: relative;
            overflow: hidden;
            margin-top: -1px;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .page-hero .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 20px;
        }
        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .page-hero .breadcrumb a:hover {
            color: #fff;
        }
        .page-hero .breadcrumb span {
            color: rgba(255, 255, 255, 0.9);
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-hero h1 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-hero .hero-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .page-hero .hero-tags .tag {
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(4px);
            color: rgba(255, 255, 255, 0.9);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .page-hero .hero-tags .tag:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 56px 0 48px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-title h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-title p {
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            gap: 28px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        @media (max-width: 1024px) {
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .card-grid-3,
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-image {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
            background: var(--bg-section-alt);
        }
        .card-body {
            padding: 24px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body .card-tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            padding: 2px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-body h3 a {
            color: inherit;
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
        }
        .card-body .card-meta i {
            margin-right: 4px;
        }

        /* ===== 特色列表 ===== */
        .feature-list {
            display: grid;
            gap: 20px;
        }
        .feature-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: var(--bg-card);
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .feature-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }
        .feature-item .icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            background: rgba(230, 57, 70, 0.08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
        }
        .feature-item .content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }
        .feature-item .content p {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        /* ===== 步骤 / 时间线 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px 28px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .step-card .step-num {
            width: 50px;
            height: 50px;
            line-height: 50px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 auto 16px;
        }
        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .step-card p {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            padding: 18px 24px;
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--secondary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .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;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0a1628 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            padding: 14px 40px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .cta-section .cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.40);
            color: #fff;
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section .cta-btn {
                padding: 12px 30px;
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo i {
            color: var(--primary);
        }
        .footer-brand .logo span {
            background: none;
            -webkit-text-fill-color: #fff;
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-col a i {
            margin-right: 6px;
            width: 18px;
            text-align: center;
        }
        .footer-socials {
            display: flex;
            gap: 12px;
        }
        .footer-socials a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 0;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
            padding: 0;
            transform: translateY(-2px);
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        @media (max-width: 868px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 540px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 额外工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
        }
        .justify-center {
            justify-content: center;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 768px) {
            .feature-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 18px 20px;
            }
            .feature-item .icon {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-tags .tag {
                font-size: 0.78rem;
                padding: 4px 14px;
            }
            .card-body {
                padding: 18px 18px 20px;
            }
            .card-body h3 {
                font-size: 1.05rem;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .step-card {
                padding: 24px 16px 22px;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --primary-light: #f1948a;
            --secondary: #2c3e50;
            --secondary-light: #34495e;
            --accent: #f39c12;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-section-alt: #f0f2f5;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #7f8c8d;
            --text-white: #ffffff;
            --border-color: #e0e0e0;
            --border-light: #f0f0f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 16px 48px rgba(231, 76, 60, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 头部 / 导航 ===== */
        .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);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
        }
        .logo i {
            font-size: 28px;
            color: var(--primary);
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover {
            color: var(--primary);
            background: rgba(231, 76, 60, 0.06);
        }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(231, 76, 60, 0.1);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-list a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(231, 76, 60, 0.3);
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            background: none;
            border: none;
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        @media (max-width: 900px) {
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 16px;
            }
            .nav-list a.active::after {
                display: none;
            }
            .nav-list a.nav-cta {
                justify-content: center;
                margin-top: 8px;
            }
            .nav-toggle {
                display: block;
            }
        }
        @media (max-width: 520px) {
            .logo {
                font-size: 18px;
            }
            .logo i {
                font-size: 22px;
            }
            .header-inner {
                padding: 0 14px;
            }
        }

        /* ===== 页面主体 ===== */
        .page-main {
            padding-top: var(--header-height);
        }

        /* ===== Hero 区域 ===== */
        .hero-category {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #1a1a2e 0%, #2c3e50 60%, #1a1a2e 100%);
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(231, 76, 60, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(243, 156, 18, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-category h1 {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero-category h1 span {
            background: linear-gradient(135deg, #f1948a, #f39c12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-category .hero-sub {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }
        .hero-category .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        .hero-category .hero-stat-item {
            text-align: center;
            color: #fff;
        }
        .hero-category .hero-stat-item .num {
            font-size: 36px;
            font-weight: 800;
            background: linear-gradient(135deg, #f1948a, #f39c12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-category .hero-stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }
        .hero-category .hero-badge {
            display: inline-block;
            background: rgba(231, 76, 60, 0.2);
            border: 1px solid rgba(231, 76, 60, 0.3);
            color: #f1948a;
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .hero-category {
                padding: 70px 0 56px;
            }
            .hero-category h1 {
                font-size: 32px;
            }
            .hero-category .hero-sub {
                font-size: 17px;
            }
            .hero-category .hero-stats {
                gap: 24px;
            }
            .hero-category .hero-stat-item .num {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 26px;
            }
            .hero-category .hero-sub {
                font-size: 15px;
            }
            .hero-category .hero-stats {
                gap: 16px;
            }
            .hero-category .hero-stat-item .num {
                font-size: 22px;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-white {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-title {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-title h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-title h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-title p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-title.light h2 {
            color: var(--text-white);
        }
        .section-title.light p {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                margin-bottom: 36px;
            }
            .section-title h2 {
                font-size: 26px;
            }
            .section-title p {
                font-size: 15px;
            }
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 20px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .step-card .step-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .step-connector {
            display: none;
        }
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-card {
                padding: 24px 16px 20px;
            }
        }

        /* ===== 注册方式卡片 ===== */
        .methods-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .method-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 36px 24px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }
        .method-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .method-card .method-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            background: rgba(231, 76, 60, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            transition: var(--transition);
        }
        .method-card:hover .method-icon {
            background: var(--primary);
            color: #fff;
        }
        .method-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .method-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .method-card .method-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(231, 76, 60, 0.08);
            color: var(--primary);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
        }
        @media (max-width: 900px) {
            .methods-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .methods-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .method-card {
                padding: 24px 16px 20px;
            }
        }

        /* ===== 注意事项列表 ===== */
        .notice-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .notice-item {
            display: flex;
            gap: 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .notice-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .notice-item .notice-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: rgba(231, 76, 60, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
        }
        .notice-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .notice-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .notice-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== 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-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            background: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            font-size: 14px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        @media (max-width: 520px) {
            .faq-question {
                padding: 16px 16px;
                font-size: 15px;
            }
            .faq-answer {
                font-size: 14px;
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #2c3e50 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(231, 76, 60, 0.12) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary {
            padding: 16px 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-size: 17px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(231, 76, 60, 0.35);
        }
        .cta-section .btn-outline {
            padding: 16px 32px;
            background: transparent;
            color: #fff;
            border-radius: 50px;
            font-size: 17px;
            font-weight: 500;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(231, 76, 60, 0.1);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-section p {
                font-size: 16px;
            }
            .cta-section .btn-primary,
            .cta-section .btn-outline {
                padding: 14px 28px;
                font-size: 15px;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 14px;
        }
        .footer-brand .logo span {
            -webkit-text-fill-color: var(--primary);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-col a i {
            margin-right: 6px;
            width: 18px;
            text-align: center;
        }
        .footer-socials {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }
        .footer-socials a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: rgba(255, 255, 255, 0.5);
            padding: 0;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
            padding: 0;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
        }

        /* ===== 辅助类 ===== */
        .text-center {
            text-align: center;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade {
            animation: fadeInUp 0.7s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

        /* ===== 滚动渐入 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 16px 0 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
        }
        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.8);
        }