/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --c-primary: #059669;
            --c-primary-dark: #047857;
            --c-primary-light: #34d399;
            --c-accent: #f59e0b;
            --c-accent-dark: #d97706;
            --c-bg: #ffffff;
            --c-bg-soft: #f8fafc;
            --c-text: #0f172a;
            --c-text-light: #64748b;
            --c-border: #e2e8f0;
            --r-lg: 20px;
            --r-md: 14px;
            --r-sm: 8px;
            --shadow-card: 0 4px 24px rgba(2, 44, 34, 0.06);
            --shadow-hover: 0 16px 40px rgba(2, 44, 34, 0.12);
            --space-section: 96px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--c-bg);
            color: var(--c-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(5, 150, 105, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        input,
        button {
            font-family: inherit;
        }

        /* ========== 容器 ========== */
        .container-site {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (min-width: 768px) {
            .container-site {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        @media (min-width: 1280px) {
            .container-site {
                padding-left: 56px;
                padding-right: 56px;
            }
        }

        /* ========== 区块间距 ========== */
        .section-pad {
            padding-top: 88px;
            padding-bottom: 88px;
        }

        @media (max-width: 768px) {
            .section-pad {
                padding-top: 56px;
                padding-bottom: 56px;
            }
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 4px 24px rgba(2, 44, 34, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            height: 72px;
            gap: 28px;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #10b981 0%, #047857 100%);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #0f172a;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 12px;
        }

        .nav-link {
            display: inline-block;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 500;
            color: #475569;
            border-radius: 10px;
            position: relative;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--c-primary);
            background: rgba(5, 150, 105, 0.06);
        }

        .nav-link.active {
            color: var(--c-primary);
            font-weight: 600;
            background: rgba(5, 150, 105, 0.08);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--c-primary);
            border-radius: 99px;
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }

        .search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1f5f9;
            border: 1px solid #e2e8f0;
            border-radius: 99px;
            padding: 0 16px;
            height: 40px;
            width: 220px;
            transition: var(--transition);
        }

        .search-wrap:focus-within {
            border-color: var(--c-primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.12);
        }

        .search-wrap i {
            color: #94a3b8;
            font-size: 14px;
        }

        .search-wrap input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: #334155;
            width: 100%;
        }

        .search-wrap input::placeholder {
            color: #94a3b8;
        }

        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border: none;
            background: #f1f5f9;
            border-radius: 10px;
            font-size: 18px;
            color: #334155;
            cursor: pointer;
            margin-left: auto;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .mobile-menu-btn:hover {
            background: #e2e8f0;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: #fff;
            box-shadow: 0 6px 18px rgba(5, 150, 105, 0.28);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(5, 150, 105, 0.38);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
        }

        .btn-outline {
            background: transparent;
            color: #334155;
            border: 1.5px solid #cbd5e1;
        }

        .btn-outline:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
            background: rgba(5, 150, 105, 0.04);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(8px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 15px 34px;
            font-size: 16px;
            border-radius: 14px;
        }

        /* ========== Hero 分屏首屏 ========== */
        .hero-section {
            position: relative;
            padding-top: 72px;
            min-height: 100vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(2, 20, 14, 0.72) 0%, rgba(4, 60, 38, 0.55) 50%, rgba(6, 95, 70, 0.25) 100%);
            z-index: 1;
        }

        .hero-layout {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
            padding-top: 80px;
            padding-bottom: 80px;
            width: 100%;
        }

        .hero-content {
            padding-right: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #d1fae5;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 99px;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }

        .hero-title {
            font-size: 46px;
            line-height: 1.25;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 1px;
            margin-bottom: 22px;
        }

        .hero-title .gradient-text {
            background: linear-gradient(90deg, #34d399 0%, #a7f3d0 50%, #fbbf24 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(226, 232, 240, 0.9);
            margin-bottom: 36px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .hero-meta {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }

        .meta-item {
            text-align: center;
        }

        .meta-value {
            display: block;
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 0.5px;
        }

        .meta-label {
            font-size: 13px;
            color: rgba(226, 232, 240, 0.7);
            margin-top: 4px;
        }

        .meta-divider {
            width: 1px;
            height: 40px;
            background: rgba(255, 255, 255, 0.25);
        }

        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-image-wrap {
            position: relative;
            border-radius: 28px;
            overflow: visible;
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
            border: 4px solid rgba(255, 255, 255, 0.55);
            transform: rotate(1.5deg);
            transition: transform 0.5s ease;
        }

        .hero-image-wrap:hover {
            transform: rotate(0deg) translateY(-6px);
        }

        .hero-image {
            width: 100%;
            max-width: 520px;
            height: auto;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: 24px;
        }

        .hero-float-card {
            position: absolute;
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            padding: 12px 18px;
            border-radius: 14px;
            box-shadow: var(--shadow-hero-float);
            font-size: 14px;
            font-weight: 600;
            color: #334155;
            animation: float 3.2s ease-in-out infinite alternate;
        }

        .float-card-1 {
            top: -18px;
            left: -32px;
        }

        .float-card-2 {
            bottom: -16px;
            right: -24px;
            animation-delay: 1.2s;
        }

        @keyframes float {
            0% {
                transform: translateY(0);
            }
            100% {
                transform: translateY(-10px);
            }
        }

        /* ========== 数据栏 ========== */
        .stats-band {
            background: linear-gradient(135deg, #064e3b 0%, #047857 50%, #065f46 100%);
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            padding: 32px 0;
        }

        .stats-item {
            text-align: center;
            color: #fff;
            padding: 8px 10px;
        }

        .stats-number {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(90deg, #ffffff, #d1fae5);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stats-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 4px;
        }

        /* ========== 板块标题 ========== */
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-primary);
            background: rgba(5, 150, 105, 0.08);
            padding: 6px 18px;
            border-radius: 99px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: #0f172a;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--c-text-light);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ========== 核心服务卡片 ========== */
        .service-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--r-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(5, 150, 105, 0.2);
        }

        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
            color: #047857;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.7;
        }

        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-primary);
        }

        .service-link:hover {
            gap: 10px;
        }

        /* ========== 分类入口卡片 ========== */
        .category-card {
            position: relative;
            border-radius: var(--r-lg);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            box-shadow: var(--shadow-card);
            cursor: pointer;
            transition: var(--transition);
        }

        .category-card:hover {
            transform: translateY(-6px) scale(1.01);
            box-shadow: var(--shadow-hover);
        }

        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .category-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(2, 44, 34, 0.78) 0%, rgba(2, 44, 34, 0.15) 55%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px;
        }

        .category-overlay h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .category-overlay p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            line-height: 1.6;
            max-width: 280px;
            margin-bottom: 12px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #a7f3d0;
            font-size: 14px;
            font-weight: 600;
        }

        .category-link:hover {
            gap: 12px;
            color: #d1fae5;
        }

        .category-info-card {
            background: linear-gradient(150deg, #f0fdf4 0%, #ecfdf5 40%, #fefce8 100%);
            border: 1px solid #d1fae5;
            border-radius: var(--r-lg);
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 260px;
            box-shadow: var(--shadow-card);
        }

        /* ========== 新闻资讯 ========== */
        .news-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--r-lg);
            padding: 26px;
            transition: var(--transition);
            position: relative;
            box-shadow: var(--shadow-card);
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(5, 150, 105, 0.2);
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .news-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 600;
            background: rgba(5, 150, 105, 0.1);
            color: var(--c-primary);
            padding: 4px 12px;
            border-radius: 99px;
        }

        .news-date {
            font-size: 13px;
            color: #94a3b8;
        }

        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #0f172a;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .news-card h3 a:hover {
            color: var(--c-primary);
        }

        .news-card p {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-primary);
        }

        .read-more:hover {
            gap: 10px;
        }

        .empty-tip {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: #94a3b8;
            font-size: 16px;
            background: #f8fafc;
            border-radius: var(--r-lg);
        }

        /* ========== 流程步骤 ========== */
        .process-section {
            background: #f8fafc;
        }

        .process-card {
            text-align: center;
            padding: 32px 20px;
            position: relative;
        }

        .process-number {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: linear-gradient(135deg, #10b981, #059669);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            box-shadow: 0 6px 16px rgba(5, 150, 105, 0.3);
        }

        .process-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 10px;
        }

        .process-card p {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.7;
            max-width: 260px;
            margin: 0 auto;
        }

        .process-line {
            position: absolute;
            top: 56px;
            left: calc(50% + 60px);
            width: calc(100% - 60px);
            height: 2px;
            background: linear-gradient(90deg, #d1fae5, #059669, #d1fae5);
            border-radius: 2px;
        }

        /* ========== 平台优势 ========== */
        .advantage-item {
            display: flex;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--c-border);
        }

        .advantage-item:last-child {
            border-bottom: none;
        }

        .advantage-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(5, 150, 105, 0.1);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .advantage-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 4px;
        }

        .advantage-item p {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.6;
        }

        .advantage-image {
            border-radius: var(--r-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }

        .advantage-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 420px;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border: 1px solid var(--c-border);
            border-radius: var(--r-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: rgba(5, 150, 105, 0.3);
            box-shadow: 0 4px 16px rgba(5, 150, 105, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: #1e293b;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--c-primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #64748b;
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--c-primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 22px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.8;
            padding-top: 4px;
            border-top: 1px solid #f1f5f9;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            overflow: hidden;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(4, 120, 87, 0.92) 0%, rgba(5, 150, 105, 0.78) 100%);
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            color: #fff;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .cta-content p {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 36px;
        }

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

        .cta-contact-row {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .cta-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
        }

        .cta-contact-item i {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #022c22;
            color: #a7f3d0;
            padding-top: 72px;
            padding-bottom: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 56px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 16px;
            max-width: 300px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--c-primary-light);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #e2e8f0;
            transform: translateX(4px);
        }

        .footer-contact li {
            display: flex;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
            align-items: flex-start;
        }

        .footer-contact i {
            color: #34d399;
            margin-top: 4px;
            font-size: 15px;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 38px;
            }

            .hero-layout {
                gap: 36px;
            }

            .search-wrap {
                width: 170px;
            }

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

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

        @media (max-width: 768px) {
            .header-inner {
                height: 62px;
                gap: 12px;
            }

            .main-nav {
                display: none;
            }

            .search-wrap {
                display: none;
            }

            .mobile-menu-btn {
                display: inline-flex;
            }

            .header-tools .btn {
                display: none;
            }

            .mobile-nav {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--c-border);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
                padding: 20px 24px;
                display: none;
                flex-direction: column;
                gap: 4px;
                z-index: 99;
            }

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

            .mobile-nav a {
                padding: 14px 16px;
                border-radius: 10px;
                font-size: 16px;
                font-weight: 600;
                color: #334155;
            }

            .mobile-nav a:hover,
            .mobile-nav a.active {
                background: rgba(5, 150, 105, 0.08);
                color: var(--c-primary);
            }

            .hero-section {
                min-height: auto;
                padding-top: 62px;
            }

            .hero-layout {
                grid-template-columns: 1fr;
                padding-top: 48px;
                padding-bottom: 56px;
                gap: 44px;
            }

            .hero-title {
                font-size: 32px;
            }

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

            .hero-visual {
                order: -1;
            }

            .hero-image {
                max-width: 100%;
                aspect-ratio: 4/3;
            }

            .float-card-1 {
                left: -10px;
            }

            .float-card-2 {
                right: -10px;
            }

            .hero-meta {
                gap: 16px;
            }

            .section-pad {
                padding-top: 48px;
                padding-bottom: 48px;
            }

            .section-title {
                font-size: 28px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stats-number {
                font-size: 24px;
            }

            .process-line {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .cta-section {
                padding: 64px 0;
                background-attachment: scroll;
            }

            .cta-content h2 {
                font-size: 28px;
            }

            .cta-contact-row {
                gap: 16px;
                flex-direction: column;
                align-items: center;
            }
        }

        @media (max-width: 520px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-title {
                font-size: 27px;
                line-height: 1.35;
            }

            .hero-desc {
                font-size: 14px;
            }

            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-meta {
                gap: 12px;
            }

            .meta-value {
                font-size: 22px;
            }

            .meta-divider {
                height: 30px;
            }

            .float-card-1 {
                top: -14px;
                left: -4px;
                padding: 8px 12px;
                font-size: 12px;
            }

            .float-card-2 {
                bottom: -12px;
                right: -4px;
                padding: 8px 12px;
                font-size: 12px;
            }

            .section-title {
                font-size: 24px;
            }

            .section-desc {
                font-size: 14px;
            }

            .stats-number {
                font-size: 22px;
            }

            .stats-label {
                font-size: 12px;
            }

            .category-overlay {
                padding: 18px;
            }

            .category-overlay h3 {
                font-size: 18px;
            }

            .service-card {
                padding: 24px 20px;
            }

            .news-card {
                padding: 20px;
            }

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

            .faq-answer {
                padding: 0 18px;
            }

            .faq-item.active .faq-answer {
                padding: 0 18px 18px;
            }
        }

        /* ========== 入场动画 ========== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: article */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #dbeafe;
            --secondary: #06b67a;
            --secondary-dark: #059669;
            --secondary-light: #d1fae5;
            --accent: #f97316;
            --accent-light: #ffedd5;
            --bg-light: #f6f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f172a;
            --text-primary: #1e293b;
            --text-secondary: #5a6f8c;
            --text-light: #93a5c0;
            --border: #e2e8f0;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, 'Segoe UI', sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid transparent;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(37, 99, 235, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.4);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid var(--border);
            background: var(--bg-white);
            color: var(--text-primary);
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            transform: translateY(-2px);
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 12px 30px;
            border-radius: var(--radius-full);
            font-size: 15px;
            font-weight: 600;
            backdrop-filter: blur(10px);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.28);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: var(--primary-light);
            color: var(--primary);
            letter-spacing: 0.3px;
            line-height: 1.5;
        }

        .badge-green {
            background: var(--secondary-light);
            color: var(--secondary-dark);
        }

        .badge-accent {
            background: var(--accent-light);
            color: var(--accent);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 74px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 1px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .nav-link {
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

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

        .header-cta {
            padding: 10px 22px;
            font-size: 14px;
            margin-left: 4px;
            flex-shrink: 0;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--bg-light);
            cursor: pointer;
            z-index: 101;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .menu-toggle.is-active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.is-active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.is-active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 80px 0;
            background-color: var(--bg-dark);
            overflow: hidden;
        }

        .article-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .article-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.92) 45%, rgba(15, 23, 42, 0.45) 100%);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.3);
        }

        .article-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
            max-width: 760px;
            letter-spacing: -0.5px;
        }

        .article-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

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

        .meta-item {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-item i {
            font-size: 13px;
        }

        /* ===== Article Body ===== */
        .article-body-section {
            padding: 56px 0 20px;
            background: var(--bg-white);
        }

        .article-content {
            font-size: 17px;
            line-height: 1.9;
            color: #38495f;
        }

        .article-content p {
            margin-bottom: 22px;
        }

        .article-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 44px 0 20px;
            line-height: 1.35;
            letter-spacing: -0.3px;
        }

        .article-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 34px 0 14px;
            line-height: 1.4;
        }

        .article-content ul,
        .article-content ol {
            margin: 20px 0 24px;
            padding-left: 28px;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 10px;
            line-height: 1.8;
        }

        .article-content img {
            border-radius: var(--radius-lg);
            margin: 28px 0;
            box-shadow: var(--shadow-md);
        }

        .article-content blockquote {
            margin: 28px 0;
            padding: 20px 28px;
            background: var(--bg-light);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 16px;
            color: var(--text-secondary);
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--primary-dark);
        }

        .article-content code {
            background: var(--bg-light);
            padding: 3px 8px;
            border-radius: 6px;
            font-size: 0.9em;
            font-family: 'JetBrains Mono', Consolas, sans-serif;
        }

        .article-not-found {
            text-align: center;
            padding: 70px 30px;
        }

        .article-not-found img {
            display: block;
            margin: 0 auto 30px;
            max-width: 320px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .article-not-found h3 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 30px;
            font-size: 16px;
        }

        /* ===== Tags ===== */
        .article-tags-section {
            padding: 12px 0 44px;
            background: var(--bg-white);
        }

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

        .article-tags-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 6px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: var(--radius-full);
            background: var(--bg-light);
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .tag:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 56px 0 60px;
            background: var(--bg-light);
            border-top: 1px solid var(--border);
        }

        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 36px;
        }

        .related-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }

        .related-header .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            padding: 8px 18px;
            border-radius: var(--radius-full);
            background: var(--primary-light);
            transition: var(--transition);
        }

        .related-header .more-link:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(3px);
        }

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

        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

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

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

        .related-thumb {
            position: relative;
            overflow: hidden;
            height: 200px;
            flex-shrink: 0;
        }

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

        .related-thumb .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 1;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
        }

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

        .related-info h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
        }

        .related-meta i {
            font-size: 12px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-box {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 660px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1524;
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 18px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-links a i {
            font-size: 10px;
            color: var(--primary);
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.5;
            word-break: break-all;
        }

        .footer-contact i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 15px;
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .container-site {
                padding: 0 20px;
            }

            .article-hero {
                min-height: 340px;
                padding: 50px 0;
            }

            .article-hero h1 {
                font-size: 30px;
            }

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

            .header-cta {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .main-nav {
                position: absolute;
                top: 74px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: rgba(255, 255, 255, 0.98);
                padding: 16px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-16px) scaleY(0.96);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                transform-origin: top;
            }

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

            .nav-link {
                padding: 14px 16px;
                font-size: 16px;
                border-radius: var(--radius-md);
            }

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

            .logo-mark {
                width: 38px;
                height: 38px;
                font-size: 17px;
            }

            .related-header h2 {
                font-size: 24px;
            }

            .cta-box h2 {
                font-size: 26px;
            }

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

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

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

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

            .hero-meta {
                gap: 14px;
            }

            .article-content {
                font-size: 16px;
            }

            .breadcrumb {
                font-size: 12px;
            }

            .btn-primary,
            .btn-outline,
            .btn-light {
                padding: 10px 22px;
                font-size: 14px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 10px;
            height: 10px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-light);
        }

        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }

        ::selection {
            background: var(--primary);
            color: #fff;
        }

/* roulang page: category1 */
:root {
            --primary: #16a34a;
            --primary-dark: #15803d;
            --primary-light: #dcfce7;
            --accent: #f59e0b;
            --accent-light: #fef3c7;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.12);
            --container-width: 1200px;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 3px solid rgba(22, 163, 74, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .section {
            padding: 88px 0;
        }

        .section-alt {
            background-color: var(--bg-white);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-head h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin: 16px 0 12px;
            color: var(--text-main);
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(180%) blur(18px);
            -webkit-backdrop-filter: saturate(180%) blur(18px);
            border-bottom: 1px solid var(--border-color);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

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

        .logo-mark {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
            border-radius: 12px;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
            transition: transform 0.3s ease;
        }
        .brand-logo:hover .logo-mark {
            transform: rotate(-8deg) scale(1.05);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 12px;
        }

        .nav-link {
            position: relative;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--text-main);
            background: #f1f5f9;
        }
        .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.25);
        }
        .nav-link.active:hover {
            color: #fff;
            background: var(--primary-dark);
        }

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

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1f5f9;
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 8px 16px;
            width: 210px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12);
        }
        .search-box i {
            font-size: 14px;
            color: var(--text-muted);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 14px;
            color: var(--text-main);
        }
        .search-box input::placeholder {
            color: #94a3b8;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: #f1f5f9;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-main);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-color: #0f172a;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(22, 163, 74, 0.55) 100%);
            z-index: 1;
        }
        .page-hero .overlay-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            max-width: 680px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color 0.3s;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb i {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb span {
            color: #fff;
            font-weight: 500;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        .hero-badge i {
            color: #fbbf24;
        }

        .page-hero h1 {
            font-size: clamp(34px, 5vw, 52px);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -1px;
            margin-bottom: 18px;
        }

        .page-hero .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            transition: var(--transition);
            text-align: center;
            border: 2px solid transparent;
        }
        .btn i {
            font-size: 14px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(22, 163, 74, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(22, 163, 74, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(22, 163, 74, 0.25);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-dark-outline {
            background: transparent;
            border-color: var(--border-color);
            color: var(--text-main);
        }
        .btn-dark-outline:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: var(--primary-light);
        }
        .btn-light {
            background: #fff;
            color: var(--text-main);
        }
        .btn-light:hover {
            background: #f1f5f9;
            color: var(--text-main);
            transform: translateY(-2px);
        }

        /* ===== Info Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .info-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .info-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(22, 163, 74, 0.3);
        }

        .icon-box {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 16px;
            font-size: 24px;
            margin-bottom: 22px;
            transition: var(--transition);
        }
        .info-card:hover .icon-box {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .info-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .info-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

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

        .content-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .card-image {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .content-card:hover .card-image img {
            transform: scale(1.05);
        }
        .card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(15, 23, 42, 0.2) 100%);
            pointer-events: none;
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary-dark);
            backdrop-filter: blur(6px);
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }

        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text-main);
            transition: color 0.3s;
        }
        .content-card:hover .card-body h3 {
            color: var(--primary-dark);
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-top: auto;
            padding-top: 14px;
            border-top: 1px solid #f1f5f9;
            font-size: 13px;
            color: #94a3b8;
        }
        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card-meta i {
            color: var(--primary);
        }

        /* ===== Stats Section ===== */
        .stats-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(22, 163, 74, 0.2);
            border-radius: 50%;
            filter: blur(80px);
            top: -60px;
            right: -40px;
        }
        .stats-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(245, 158, 11, 0.15);
            border-radius: 50%;
            filter: blur(70px);
            bottom: -40px;
            left: 10%;
        }

        .stats-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            padding: 16px;
        }
        .stat-num {
            font-size: clamp(36px, 4.5vw, 52px);
            font-weight: 800;
            line-height: 1.1;
            display: block;
            color: #4ade80;
            letter-spacing: -1px;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.5px;
        }

        /* ===== Topics ===== */
        .split-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .split-content h2 {
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            margin: 16px 0 16px;
        }
        .split-content > p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .tag-cloud a i {
            font-size: 12px;
            color: var(--primary);
        }

        .split-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .split-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .split-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            pointer-events: none;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--bg-white);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

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

        .process-step {
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            position: relative;
            transition: var(--transition);
        }
        .process-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(22, 163, 74, 0.35);
        }

        .step-num {
            font-size: 42px;
            font-weight: 800;
            display: block;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--primary), #4ade80);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(22, 163, 74, 0.35);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            position: relative;
            transition: color 0.3s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '';
            background: none;
        }
        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary-dark);
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item[open] summary {
            color: var(--primary-dark);
        }
        .faq-item[open] summary .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid #f1f5f9;
            padding-top: 16px;
            margin: 0 24px;
            padding-left: 0;
            padding-right: 0;
            border-top: none;
            padding-top: 0;
        }
        .faq-item .faq-answer p {
            margin: 6px 0 0;
        }

        /* 简化 FAQ 结构 */
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .faq-item .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .faq-item[open] .faq-answer-inner {
            border-top: 1px solid #f1f5f9;
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 0;
        }
        .cta-inner {
            position: relative;
            border-radius: 32px;
            overflow: hidden;
            padding: 80px;
            background-size: cover;
            background-position: center;
            color: #fff;
            text-align: center;
        }
        .cta-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.85) 0%, rgba(22, 163, 74, 0.7) 100%);
            z-index: 1;
        }
        .cta-inner > * {
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .cta-inner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding-top: 72px;
            margin-top: 88px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand p {
            margin-top: 18px;
            font-size: 14px;
            line-height: 1.8;
            color: #94a3b8;
            max-width: 320px;
        }
        .footer-brand .brand-logo .logo-text {
            color: #fff;
        }
        .footer-brand .logo-mark {
            background: linear-gradient(135deg, #16a34a, #22c55e);
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .footer-links {
            display: grid;
            gap: 10px;
        }
        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #94a3b8;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #4ade80;
            padding-left: 4px;
        }
        .footer-links i {
            color: var(--primary);
            font-size: 12px;
        }

        .footer-contact {
            display: grid;
            gap: 14px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            line-height: 1.6;
            color: #94a3b8;
        }
        .footer-contact i {
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(22, 163, 74, 0.15);
            color: #4ade80;
            border-radius: 6px;
            font-size: 11px;
            margin-top: 3px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 13px;
            color: #64748b;
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-bottom a {
            color: #94a3b8;
        }
        .footer-bottom a:hover {
            color: #4ade80;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid,
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .split-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .split-image img {
                height: 320px;
            }
            .search-box {
                width: 170px;
            }
            .cta-inner {
                padding: 60px 40px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .header-inner {
                height: 64px;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
                transform: translateY(-110%);
                transition: transform 0.35s ease;
                z-index: 99;
                margin-left: 0;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .nav-link {
                display: block;
                padding: 14px 18px;
                text-align: center;
                font-size: 16px;
            }
            .nav-toggle {
                display: flex;
            }
            .search-box {
                display: none;
            }
            .page-hero {
                min-height: 400px;
            }
            .card-grid,
            .content-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-inner {
                padding: 48px 24px;
                border-radius: 24px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container-site {
                padding: 0 18px;
            }
            .logo-text {
                font-size: 16px;
            }
            .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .card-body h3 {
                font-size: 17px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-num {
                font-size: 32px;
            }
            .tag-cloud a {
                font-size: 13px;
                padding: 8px 14px;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-actions .btn {
                justify-content: center;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero .hero-subtitle {
                font-size: 16px;
            }
            .breadcrumb {
                font-size: 13px;
                flex-wrap: wrap;
            }
        }