/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --teal-600: #0D9488;
            --teal-700: #0F766E;
            --teal-900: #134E4A;
            --teal-50: #F0FDFA;
            --teal-100: #CCFBF1;
            --amber-500: #F59E0B;
            --amber-600: #D97706;
            --page-bg: #F8F7F5;
            --card-bg: #FFFFFF;
            --text-main: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9CA3AF;
            --border-color: #E5E7EB;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-lg: 16px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 24px -8px rgba(0, 0, 0, 0.15);
            --container-max: 1200px;
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --font-mono: Consolas, "SF Mono", "Menlo", monospace;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            font-size: 16px;
            line-height: 1.75;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-base);
            background: var(--page-bg);
            color: var(--text-main);
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            transition: all 0.25s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn:hover {
            transform: translateY(-1px);
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn:focus-visible {
            outline: 2px solid rgba(15, 118, 110, 0.4);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--amber-500);
            color: #111827;
        }
        .btn-primary:hover {
            background: var(--amber-600);
            box-shadow: 0 6px 16px rgba(217, 119, 6, 0.25);
        }
        .btn-outline {
            background: #fff;
            color: var(--teal-700);
            border-color: var(--teal-600);
        }
        .btn-outline:hover {
            background: rgba(13, 148, 136, 0.08);
        }
        .btn-large {
            height: 52px;
            padding: 0 36px;
            font-size: 16px;
        }
        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }
        .btn-block {
            width: 100%;
        }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--teal-100);
            color: var(--teal-900);
            font-size: 12px;
            font-weight: 500;
            line-height: 1.4;
        }
        .badge-sm {
            padding: 2px 8px;
            font-size: 11px;
        }
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
        }
        .status-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #4ADE80;
            display: inline-block;
        }

        /* ===== 倒计时条 ===== */
        .countdown-bar {
            background: var(--teal-900);
            height: 38px;
            display: flex;
            align-items: center;
            color: #fff;
            font-size: 13px;
            position: relative;
            z-index: 100;
        }
        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            width: 100%;
        }
        .countdown-label {
            opacity: 0.75;
            letter-spacing: 0.5px;
        }
        .countdown-timer {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--amber-500);
            letter-spacing: 1px;
        }
        .countdown-badge {
            background: rgba(245, 158, 11, 0.2);
            color: var(--amber-500);
            padding: 2px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
        }

        /* ===== 导航 ===== */
        .site-header {
            height: 72px;
            position: sticky;
            top: 0;
            z-index: 99;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--border-color);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--teal-700);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 2px;
            position: relative;
            transition: color 0.2s ease;
        }
        .nav-link:hover {
            color: var(--teal-700);
        }
        .nav-link.active {
            color: var(--teal-700);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--teal-600);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .online-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--teal-700);
            padding: 4px 14px;
            background: var(--teal-50);
            border-radius: 999px;
            border: 1px solid var(--teal-100);
        }
        .online-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10B981;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
        }
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border: 1px solid var(--border-color);
            background: #fff;
            cursor: pointer;
        }
        .menu-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: all 0.25s ease;
        }
        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端下拉菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            padding: 16px 20px 24px;
            z-index: 98;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu.show {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid #F3F4F6;
        }
        .mobile-menu .nav-link:last-child {
            border-bottom: none;
        }
        .mobile-menu .nav-link.active {
            color: var(--teal-700);
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 72px 0;
            background: linear-gradient(135deg, #134E4A 0%, #0F766E 55%, #0D9488 100%);
            color: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.14;
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--page-bg), transparent);
            z-index: 1;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 56px;
            align-items: center;
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-content {
            max-width: 560px;
        }
        .hero-content h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-subtitle {
            font-size: 18px;
            font-weight: 400;
            line-height: 1.6;
            margin-bottom: 32px;
            opacity: 0.9;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }
        .hero-actions .btn-primary {
            background: var(--amber-500);
            color: #111827;
        }
        .hero-actions .btn-primary:hover {
            background: var(--amber-600);
        }
        .hero-actions .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .hero-actions .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }
        .hero-trust {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
        }
        .trust-item::before {
            content: '';
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: rgba(74, 222, 128, 0.2);
            border: 2px solid rgba(74, 222, 128, 0.5);
            flex-shrink: 0;
        }

        /* Hero 登录面板视觉卡 */
        .hero-visual {
            display: flex;
            justify-content: flex-end;
        }
        .login-card {
            width: 100%;
            max-width: 390px;
            background: #fff;
            border-radius: 16px;
            padding: 32px 30px;
            box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.35);
            color: var(--text-main);
        }
        .login-card-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 28px;
            padding-bottom: 20px;
            border-bottom: 1px solid #F3F4F6;
        }
        .login-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--teal-700);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }
        .login-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
        }
        .login-field {
            height: 44px;
            border-radius: 8px;
            background: #F9FAFB;
            border: 1px solid var(--border-color);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            padding: 0 14px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .login-field .field-icon {
            margin-right: 8px;
            opacity: 0.5;
            font-size: 14px;
        }
        .login-button {
            height: 44px;
            border-radius: 8px;
            background: var(--amber-500);
            color: #111827;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 600;
            margin-top: 6px;
        }
        .login-card-footer {
            margin-top: 18px;
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
        }
        .login-card-line {
            height: 1px;
            background: #F3F4F6;
            margin: 8px 0;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
        }

        /* ===== 活动卖点区 ===== */
        .features-section {
            padding: 100px 0 80px;
            background: var(--page-bg);
        }
        .features-section .section-header {
            padding-left: 0;
            max-width: 600px;
        }
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 64px;
        }
        .feature-row:last-child {
            margin-bottom: 0;
        }
        .feature-row.reverse .feature-image {
            order: 2;
        }
        .feature-row.reverse .feature-content {
            order: 1;
        }
        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .feature-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-image:hover img {
            transform: scale(1.03);
        }
        .feature-content {
            max-width: 460px;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--teal-50);
            border: 1px solid var(--teal-100);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .feature-icon svg {
            width: 24px;
            height: 24px;
            color: var(--teal-600);
        }
        .feature-content h3 {
            font-size: 22px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .feature-content p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        /* ===== 亮点图墙 ===== */
        .gallery-section {
            padding: 80px 0 100px;
            background: #fff;
        }
        .gallery-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 0.8fr 1fr;
            gap: 20px;
        }
        .gallery-item {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 3 / 2;
            cursor: pointer;
        }
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .gallery-item:hover img {
            transform: scale(1.03);
        }
        .gallery-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 16px 14px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
        }

        /* ===== CTA 横幅 ===== */
        .cta-banner {
            background: var(--teal-700);
            position: relative;
            padding: 64px 0;
            text-align: center;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }
        .cta-banner .container {
            position: relative;
            z-index: 1;
        }
        .cta-banner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .cta-banner .btn {
            min-width: 160px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0 100px;
            background: var(--page-bg);
        }
        .faq-section .section-header {
            text-align: center;
        }
        .faq-section .section-header p {
            margin: 0 auto;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            background: #fff;
            overflow: hidden;
            transition: box-shadow 0.25s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-item.active {
            border-color: var(--teal-100);
            background: var(--teal-50);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: transparent;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .faq-question:hover {
            color: var(--teal-700);
        }
        .faq-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--teal-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--teal-700);
            flex-shrink: 0;
            transition: transform 0.25s ease;
            font-weight: 400;
            line-height: 1;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--teal-600);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.25s ease;
            opacity: 0;
            padding: 0 22px;
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            opacity: 1;
            padding: 0 22px 20px;
        }

        /* ===== 最新资讯 ===== */
        .news-section {
            padding: 80px 0 100px;
            background: #fff;
        }
        .news-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }
        .news-header h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
        }
        .news-more {
            font-size: 14px;
            font-weight: 500;
            color: var(--teal-700);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease;
        }
        .news-more:hover {
            gap: 8px;
            color: var(--teal-900);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
        }
        .news-featured .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 240px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .news-featured .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .featured-image {
            overflow: hidden;
        }
        .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-content {
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: var(--card-bg);
        }
        .featured-content .badge {
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .featured-content h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-main);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-content p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-secondary);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-side {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #fff;
        }
        .news-side .news-item {
            display: flex;
            gap: 12px;
            padding: 16px 20px;
            border-bottom: 1px solid #F3F4F6;
            transition: background 0.2s ease;
        }
        .news-side .news-item:last-child {
            border-bottom: none;
        }
        .news-side .news-item:hover {
            background: var(--teal-50);
        }
        .news-item-text {
            flex: 1;
            min-width: 0;
        }
        .news-item-text h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-main);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-item-meta time {
            white-space: nowrap;
        }

        /* 空态 */
        .news-empty {
            border: 1px dashed var(--text-muted);
            border-radius: var(--radius-card);
            padding: 60px 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
        }
        .news-empty svg {
            margin: 0 auto 12px;
            display: block;
            opacity: 0.4;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--teal-900);
            color: #fff;
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-links h4,
        .footer-support h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-links a,
        .footer-support a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: color 0.2s ease;
        }
        .footer-links a:hover,
        .footer-support a:hover {
            color: var(--amber-500);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1279px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
            .gallery-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .feature-row {
                gap: 40px;
            }
        }
        @media (max-width: 1023px) {
            .hero {
                padding: 56px 0;
                min-height: auto;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 48px;
            }
            .hero-content {
                max-width: 100%;
                text-align: center;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-trust {
                justify-content: center;
            }
            .hero-visual {
                justify-content: center;
            }
            .login-card {
                margin: 0 auto;
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-row.reverse .feature-image {
                order: 1;
            }
            .feature-row.reverse .feature-content {
                order: 2;
            }
            .feature-image img {
                height: 260px;
            }
            .gallery-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 767px) {
            .countdown-inner {
                gap: 16px;
            }
            .countdown-label,
            .countdown-badge {
                display: none;
            }
            .main-nav {
                display: none;
            }
            .nav-actions .btn-sm {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .mobile-menu {
                top: 72px;
            }
            .site-header.scrolled .mobile-menu {
                top: 72px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions .btn {
                width: 100%;
                max-width: 280px;
            }
            .section {
                padding: 56px 0;
            }
            .features-section {
                padding: 64px 0 48px;
            }
            .gallery-section {
                padding: 56px 0 64px;
            }
            .faq-section {
                padding: 56px 0 64px;
            }
            .news-section {
                padding: 56px 0 64px;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
            .news-featured .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-image img {
                height: 200px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .cta-banner .btn {
                width: 100%;
                max-width: 280px;
            }
            .btn-large {
                width: 100%;
                max-width: 280px;
            }
            .hero {
                padding: 48px 0;
            }
            .hero-inner {
                gap: 36px;
            }
            .feature-row {
                margin-bottom: 48px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .footer-grid {
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --teal-50: #F0FDFA;
            --teal-100: #CCFBF1;
            --teal-600: #0D9488;
            --teal-700: #0F766E;
            --teal-900: #134E4A;
            --amber-500: #F59E0B;
            --amber-600: #D97706;
            --bg: #F8F7F5;
            --card: #FFFFFF;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --muted: #9CA3AF;
            --border: #E5E7EB;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-image: 16px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 24px -8px rgba(0, 0, 0, 0.15);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --mono: Consolas, "SF Mono", "Menlo", monospace;
            --container: 1200px;
            --space-section: 88px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--teal-100);
            color: var(--teal-900);
            font-size: 13px;
            font-weight: 500;
            padding: 5px 16px;
            border-radius: 999px;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            background: var(--teal-50);
            color: var(--teal-700);
            font-size: 13px;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 6px;
            line-height: 1.6;
            border: 1px solid var(--teal-100);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--amber-500);
            color: #111827;
            box-shadow: 0 2px 6px rgba(245, 158, 11, 0.2);
        }

        .btn-primary:hover {
            background: var(--amber-600);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(217, 119, 6, 0.25);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 2px solid rgba(15, 118, 110, 0.4);
            outline-offset: 2px;
        }

        .btn-ghost {
            background: var(--card);
            color: var(--teal-700);
            border: 1px solid var(--teal-600);
        }

        .btn-ghost:hover {
            background: var(--teal-50);
            border-color: var(--teal-700);
        }

        .btn-ghost:active {
            transform: scale(0.98);
        }

        .btn-ghost:focus-visible {
            outline: 2px solid rgba(15, 118, 110, 0.4);
            outline-offset: 2px;
        }

        .btn-lg {
            height: 52px;
            padding: 0 36px;
            font-size: 16px;
        }

        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--teal-700);
            font-size: 15px;
            font-weight: 600;
            transition: color 0.2s ease, gap 0.2s ease;
        }

        .text-link:hover {
            color: var(--amber-600);
            gap: 12px;
        }

        .text-link:hover .arrow {
            transform: translateX(2px);
        }

        .text-link .arrow {
            transition: transform 0.2s ease;
            font-size: 18px;
            line-height: 1;
        }

        /* ===== Countdown Bar ===== */
        .countdown-bar {
            height: 40px;
            background: var(--teal-900);
            display: flex;
            align-items: center;
            color: #fff;
        }

        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            width: 100%;
        }

        .countdown-label {
            font-size: 13px;
            color: #CCFBF1;
            opacity: 0.88;
        }

        .countdown-time {
            font-family: var(--mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--amber-500);
            letter-spacing: 0.06em;
        }

        .countdown-badge {
            background: rgba(255, 255, 255, 0.14);
            color: #F0FDFA;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 14px;
            border-radius: 999px;
            line-height: 1.5;
        }

        /* ===== Header ===== */
        .header-main {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .header-main.scrolled {
            border-color: var(--border);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 32px;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--teal-600), var(--teal-900));
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(13, 148, 136, 0.25);
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--teal-900);
            letter-spacing: 0.01em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 2px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        .nav-link:hover {
            color: var(--teal-700);
        }

        .nav-link.active {
            color: var(--teal-900);
            font-weight: 600;
            border-bottom-color: var(--teal-600);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .online-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--teal-700);
            background: var(--teal-50);
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid var(--teal-100);
        }

        .online-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #22C55E;
            box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            padding: 10px;
            border-radius: 8px;
            background: var(--bg);
        }

        .menu-toggle span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--teal-900);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

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

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

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

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            padding: 88px 0 96px;
            background: linear-gradient(135deg, var(--teal-900) 0%, var(--teal-700) 60%, #166b63 100%);
            overflow: hidden;
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at right top, rgba(245, 158, 11, 0.12), transparent 45%);
            pointer-events: none;
        }

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

        .cat-hero-inner .badge {
            background: rgba(255, 255, 255, 0.14);
            color: var(--teal-50);
            border: 1px solid rgba(204, 251, 241, 0.25);
            margin-bottom: 22px;
        }

        .cat-hero h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            letter-spacing: 0.01em;
            margin-bottom: 18px;
        }

        .cat-hero h1 .highlight {
            color: var(--amber-500);
        }

        .cat-hero .cat-lead {
            font-size: 17px;
            color: rgba(240, 253, 250, 0.82);
            line-height: 1.7;
            max-width: 640px;
            margin: 0 auto;
        }

        /* ===== Intro Split ===== */
        .intro-split {
            padding: var(--space-section) 0;
        }

        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 64px;
            align-items: center;
        }

        .split-text .badge {
            margin-bottom: 16px;
        }

        .split-text h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 20px;
        }

        .split-text p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }

        .split-text p strong {
            color: var(--teal-900);
            font-weight: 600;
        }

        .split-text .btn-ghost {
            margin-top: 12px;
        }

        .split-media {
            position: relative;
            border-radius: var(--radius-image);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            aspect-ratio: 4 / 3;
        }

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

        .split-media:hover img {
            transform: scale(1.03);
        }

        .split-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(19, 78, 74, 0.35));
            pointer-events: none;
        }

        /* ===== Guide List ===== */
        .guide-list {
            padding: 0 0 var(--space-section);
        }

        .guide-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
        }

        .guide-heading h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
        }

        .guide-heading p {
            font-size: 15px;
            color: var(--muted);
            max-width: 320px;
            text-align: right;
        }

        .guide-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .guide-card {
            display: grid;
            grid-template-columns: 210px 1fr;
            gap: 28px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.28s ease, transform 0.28s ease, border-color 0.28s ease;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--teal-100);
        }

        .guide-media {
            border-radius: 10px;
            overflow: hidden;
            height: 150px;
        }

        .guide-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .guide-body {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .guide-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }

        .guide-num {
            font-family: var(--mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--amber-600);
            background: rgba(245, 158, 11, 0.1);
            padding: 2px 10px;
            border-radius: 6px;
            line-height: 1.6;
        }

        .guide-head h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }

        .guide-body > p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }

        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 0 0 var(--space-section);
        }

        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-wrapper > h2 {
            font-size: 30px;
            font-weight: 700;
            text-align: center;
            color: var(--text);
            margin-bottom: 34px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .faq-item:hover {
            border-color: var(--teal-100);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            background: transparent;
            transition: color 0.2s ease;
        }

        .faq-question:hover {
            color: var(--teal-700);
        }

        .faq-question .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--teal-600);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .faq-question .faq-icon::before {
            top: 9px;
            left: 3px;
            width: 14px;
            height: 2px;
        }

        .faq-question .faq-icon::after {
            top: 3px;
            left: 9px;
            width: 2px;
            height: 14px;
        }

        .faq-item.active {
            background: var(--teal-50);
            border-color: var(--teal-100);
        }

        .faq-item.active .faq-question {
            color: var(--teal-900);
        }

        .faq-item.active .faq-icon::after {
            transform: scaleY(0);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ===== CTA ===== */
        .cta-banner {
            position: relative;
            padding: 72px 0;
            background: linear-gradient(120deg, var(--teal-900), var(--teal-700));
            text-align: center;
            overflow: hidden;
        }

        .cta-banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(245, 158, 11, 0.1), transparent 60%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(240, 253, 250, 0.8);
            margin-bottom: 28px;
        }

        .cta-inner .btn-primary {
            margin-bottom: 26px;
        }

        .cta-sub-links {
            display: flex;
            justify-content: center;
            gap: 28px;
            flex-wrap: wrap;
        }

        .cta-sub-links a {
            font-size: 14px;
            color: rgba(240, 253, 250, 0.75);
            transition: color 0.2s ease;
        }

        .cta-sub-links a:hover {
            color: var(--amber-500);
        }

        .cta-link-row {
            text-align: center;
            padding: 40px 0 0;
        }

        .cta-link-row .text-link {
            font-size: 16px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--teal-900);
            padding: 56px 0 28px;
            color: #fff;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 56px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 17px;
        }

        .footer-logo span:last-child {
            font-size: 18px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-links h4,
        .footer-support h4 {
            font-size: 15px;
            font-weight: 600;
            color: #F0FDFA;
            margin-bottom: 16px;
        }

        .footer-links a,
        .footer-support a {
            display: block;
            font-size: 14px;
            color: #94A3B8;
            line-height: 2.3;
            transition: color 0.2s ease;
        }

        .footer-links a:hover,
        .footer-support a:hover {
            color: var(--amber-500);
        }

        .footer-bottom {
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: #94A3B8;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .split-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .split-media {
                max-width: 640px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .guide-card {
                grid-template-columns: 160px 1fr;
            }
        }

        @media (max-width: 820px) {
            .header-inner {
                gap: 16px;
            }

            .main-nav {
                position: fixed;
                top: 112px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 12px 20px 20px;
                box-shadow: 0 16px 24px rgba(0, 0, 0, 0.12);
                transform: translateY(-140%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.32s ease;
                border-bottom: 1px solid var(--border);
                z-index: 99;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-link {
                width: 100%;
                padding: 14px 4px;
                border-bottom: 1px solid #F3F4F6;
                font-size: 16px;
            }

            .nav-link.active {
                border-bottom: 1px solid var(--teal-100);
                color: var(--teal-700);
            }

            .nav-link.active::after {
                content: "";
                display: inline-block;
                width: 6px;
                height: 6px;
                background: var(--teal-600);
                border-radius: 50%;
                margin-left: 8px;
            }

            .menu-toggle {
                display: flex;
            }

            .header-actions .btn-primary {
                display: none;
            }

            .cat-hero {
                padding: 64px 0 72px;
            }

            .cat-hero h1 {
                font-size: 32px;
            }

            .guide-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .guide-heading p {
                text-align: left;
            }

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

        @media (max-width: 600px) {
            :root {
                --space-section: 64px;
            }

            .container {
                padding: 0 16px;
            }

            .countdown-inner {
                gap: 14px;
            }

            .countdown-label {
                display: none;
            }

            .brand-name {
                font-size: 17px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .online-badge {
                display: none;
            }

            .cat-hero {
                padding: 52px 0 60px;
            }

            .cat-hero h1 {
                font-size: 27px;
            }

            .cat-hero .cat-lead {
                font-size: 15px;
            }

            .split-text h2,
            .guide-heading h2,
            .faq-wrapper > h2,
            .cta-inner h2 {
                font-size: 24px;
            }

            .guide-card {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .guide-media {
                height: 170px;
            }

            .faq-question {
                padding: 16px;
                font-size: 14px;
            }

            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }

            .cta-banner {
                padding: 56px 0;
            }

            .btn-lg {
                width: 100%;
                max-width: 320px;
            }
        }

        @media (max-width: 380px) {
            .countdown-time {
                font-size: 13px;
            }

            .countdown-badge {
                padding: 2px 10px;
                font-size: 11px;
            }

            .cat-hero h1 {
                font-size: 24px;
            }
        }

/* roulang page: article */
:root {
    --teal-600: #0D9488;
    --teal-700: #0F766E;
    --teal-900: #134E4A;
    --teal-50: #F0FDFA;
    --teal-100: #CCFBF1;
    --amber-500: #F59E0B;
    --amber-600: #D97706;
    --bg-warm: #F8F7F5;
    --bg-white: #FFFFFF;
    --text-main: #1F2937;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --border: #E5E7EB;
    --radius-card: 12px;
    --radius-btn: 8px;
    --radius-img: 16px;
    --radius-badge: 999px;
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 12px 24px -8px rgba(0, 0, 0, 0.15);
    --shadow-nav: 0 4px 16px rgba(0, 0, 0, 0.08);
    --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
    --mono-stack: Consolas, "SF Mono", "Menlo", monospace;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-stack);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-main);
    background: var(--bg-warm);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
}
button, input, textarea {
    font-family: inherit;
    font-size: inherit;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-btn);
    font-weight: 600;
    cursor: pointer;
    transition: all .25s ease;
    border: none;
    line-height: 1;
    white-space: nowrap;
}
.btn-primary {
    background: var(--amber-500);
    color: #111827;
    height: 44px;
    padding: 0 24px;
}
.btn-primary:hover {
    background: var(--amber-600);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(217, 119, 6, 0.25);
}
.btn-primary:active {
    transform: scale(0.98);
}
.btn-outline {
    background: transparent;
    color: var(--teal-700);
    border: 1px solid var(--teal-600);
    height: 44px;
    padding: 0 24px;
}
.btn-outline:hover {
    background: rgba(13, 148, 136, 0.1);
}
.btn-sm {
    height: 38px;
    padding: 0 20px;
    font-size: 14px;
}
.btn:focus-visible,
a:focus-visible,
button:focus-visible {
    outline: 2px solid rgba(15, 118, 110, 0.4);
    outline-offset: 2px;
}
/* ===== 倒计时条 ===== */
.countdown-bar {
    background: var(--teal-900);
    height: 40px;
    display: flex;
    align-items: center;
    width: 100%;
}
.countdown-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    width: 100%;
}
.countdown-label {
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    font-weight: 500;
}
.countdown-time {
    font-family: var(--mono-stack);
    color: var(--amber-500);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
}
.countdown-badge {
    background: var(--amber-500);
    color: #111827;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: var(--radius-badge);
}
/* ===== 导航 ===== */
.site-header {
    height: 72px;
    background: var(--bg-white);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow .3s ease, background .3s ease;
    border-bottom: 1px solid var(--border);
}
.site-header.scrolled {
    box-shadow: var(--shadow-nav);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 32px;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--teal-700);
    color: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
}
.brand-logo > span:last-child {
    font-size: 20px;
    font-weight: 700;
    color: var(--teal-900);
    letter-spacing: 0.5px;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    flex: 1;
    justify-content: center;
}
.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    padding: 8px 2px;
    position: relative;
    transition: color .25s ease;
}
.nav-link:hover {
    color: var(--teal-600);
}
.nav-link.active {
    color: var(--teal-700);
    font-weight: 600;
}
.nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--teal-600);
    border-radius: 2px;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}
.online-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--teal-50);
    border: 1px solid var(--teal-100);
    border-radius: var(--radius-badge);
    padding: 5px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--teal-900);
}
.online-badge .dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    display: inline-block;
}
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
}
.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--teal-900);
    border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease;
}
.menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
/* ===== 面包屑 ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    padding-top: 24px;
    flex-wrap: wrap;
}
.breadcrumb a {
    color: var(--text-secondary);
    transition: color .2s ease;
}
.breadcrumb a:hover {
    color: var(--teal-600);
}
.breadcrumb-sep {
    color: var(--text-muted);
}
.breadcrumb-current {
    color: var(--text-main);
    font-weight: 500;
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
/* ===== 文章主体 ===== */
.article-main {
    padding: 40px 0 80px;
}
.article-header {
    max-width: 760px;
    margin: 0 auto 24px;
    text-align: center;
}
.article-category {
    display: inline-block;
    background: var(--teal-100);
    color: var(--teal-900);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 16px;
    border-radius: var(--radius-badge);
    margin-bottom: 16px;
}
.article-header h1 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: 16px;
    letter-spacing: 0.01em;
}
.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    font-size: 14px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}
.article-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-meta .meta-item .icon {
    font-size: 13px;
    opacity: 0.7;
}
.article-cover {
    max-width: 960px;
    margin: 32px auto 40px;
    border-radius: var(--radius-img);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.article-cover img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.article-content-wrap {
    max-width: 760px;
    margin: 0 auto;
}
.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-main);
}
.article-content p {
    margin-bottom: 24px;
}
.article-content h2 {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.4;
    margin: 48px 0 16px;
    color: var(--text-main);
}
.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    margin: 32px 0 12px;
    color: var(--text-main);
}
.article-content h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 24px 0 10px;
}
.article-content blockquote {
    border-left: 4px solid var(--amber-500);
    background: var(--teal-50);
    border-radius: 0 8px 8px 0;
    padding: 16px 20px;
    margin: 24px 0;
    color: var(--text-secondary);
    font-style: normal;
}
.article-content blockquote p {
    margin-bottom: 0;
}
.article-content ul,
.article-content ol {
    margin: 16px 0 24px;
    padding-left: 24px;
}
.article-content li {
    margin-bottom: 8px;
    line-height: 1.75;
}
.article-content img {
    border-radius: var(--radius-img);
    margin: 24px 0;
}
.article-content figcaption {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-top: -16px;
    margin-bottom: 24px;
}
.article-content a {
    color: var(--teal-600);
    text-decoration: underline;
    transition: color .2s ease;
}
.article-content a:hover {
    color: var(--teal-700);
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
}
.article-content th,
.article-content td {
    border: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
}
.article-content th {
    background: var(--teal-50);
    font-weight: 600;
    color: var(--teal-900);
}
/* 文章未找到 */
.article-not-found {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-white);
    border: 1px dashed var(--text-muted);
    border-radius: var(--radius-card);
}
.article-not-found .nf-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--text-muted);
}
.article-not-found h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
}
.article-not-found p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 28px;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}
/* ===== 标签与分享 ===== */
.article-extras {
    max-width: 760px;
    margin: 40px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}
.article-tags {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.tag {
    display: inline-block;
    background: var(--teal-50);
    color: var(--teal-900);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 6px;
    border: 1px solid var(--teal-100);
    transition: background .2s ease, color .2s ease;
}
.tag:hover {
    background: var(--teal-100);
    color: var(--teal-700);
}
.article-share {
    display: flex;
    align-items: center;
    gap: 8px;
}
.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-btn);
    height: 36px;
    padding: 0 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all .25s ease;
}
.share-btn:hover {
    color: var(--teal-700);
    border-color: var(--teal-600);
    background: var(--teal-50);
}
/* ===== 相关推荐 ===== */
.related-section {
    max-width: 1200px;
    margin: 80px auto 0;
}
.related-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 32px;
    text-align: center;
    position: relative;
}
.related-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: var(--amber-500);
    margin: 12px auto 0;
    border-radius: 3px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.related-card .related-img {
    aspect-ratio: 3 / 2;
    overflow: hidden;
}
.related-card .related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.related-card:hover .related-img img {
    transform: scale(1.03);
}
.related-card .related-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.related-card .related-cat {
    font-size: 12px;
    font-weight: 500;
    color: var(--teal-600);
    margin-bottom: 8px;
}
.related-card h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-main);
    margin-bottom: 8px;
    transition: color .2s ease;
}
.related-card:hover h3 {
    color: var(--teal-700);
}
.related-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    flex: 1;
}
.related-card .related-meta {
    font-size: 12px;
    color: var(--text-muted);
}
.back-home {
    text-align: center;
    margin-top: 48px;
}
.back-home a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--teal-700);
    padding: 10px 24px;
    border: 1px solid var(--teal-600);
    border-radius: var(--radius-btn);
    transition: all .25s ease;
}
.back-home a:hover {
    background: var(--teal-50);
    color: var(--teal-900);
}
.back-home a::before {
    content: '←';
    font-size: 16px;
}
/* ===== 页脚 ===== */
.site-footer {
    background: var(--teal-900);
    padding: 48px 0 0;
    color: #fff;
    margin-top: 80px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
    background: var(--amber-500);
    color: #111827;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
}
.footer-logo span:last-child {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: #94A3B8;
    max-width: 280px;
}
.footer-links h4,
.footer-support h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}
.footer-links a,
.footer-support a {
    display: block;
    font-size: 14px;
    color: #94A3B8;
    padding: 6px 0;
    transition: color .2s ease;
}
.footer-links a:hover,
.footer-support a:hover {
    color: var(--amber-500);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}
.footer-bottom p {
    font-size: 13px;
    color: #94A3B8;
}
/* ===== 响应式 ===== */
@media (max-width: 1279px) {
    .container {
        padding: 0 20px;
    }
}
@media (min-width: 1024px) and (max-width: 1279px) {
    .related-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (min-width: 768px) and (max-width: 1023px) {
    .header-inner {
        gap: 16px;
    }
    .main-nav {
        gap: 16px;
    }
    .nav-actions .btn-sm {
        display: none;
    }
    .article-header h1 {
        font-size: 30px;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 767px) {
    .countdown-label,
    .countdown-badge {
        display: none;
    }
    .countdown-inner {
        justify-content: center;
    }
    .header-inner {
        gap: 12px;
    }
    .main-nav {
        position: fixed;
        top: 112px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px 20px;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        opacity: 0;
        transition: transform .3s ease, opacity .3s ease;
        border-bottom: 1px solid var(--border);
        z-index: 99;
    }
    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
    }
    .nav-link {
        padding: 14px 0;
        border-bottom: 1px solid var(--border);
        font-size: 15px;
    }
    .nav-link:last-child {
        border-bottom: none;
    }
    .nav-link.active::after {
        display: none;
    }
    .nav-link.active {
        color: var(--teal-700);
        background: var(--teal-50);
        border-radius: 8px;
        padding-left: 12px;
        padding-right: 12px;
    }
    .menu-toggle {
        display: flex;
    }
    .nav-actions {
        gap: 8px;
    }
    .nav-actions .btn-sm {
        display: none;
    }
    .online-badge {
        padding: 4px 10px;
        font-size: 12px;
    }
    .breadcrumb-current {
        max-width: 160px;
    }
    .article-main {
        padding: 24px 0 60px;
    }
    .article-header h1 {
        font-size: 26px;
        line-height: 1.35;
    }
    .article-meta {
        gap: 16px;
        font-size: 13px;
    }
    .article-content {
        font-size: 15px;
        line-height: 1.8;
    }
    .article-content h2 {
        font-size: 21px;
        margin-top: 36px;
    }
    .article-content h3 {
        font-size: 18px;
    }
    .article-extras {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .related-card {
        flex-direction: row;
        align-items: stretch;
    }
    .related-card .related-img {
        width: 40%;
        aspect-ratio: auto;
    }
    .related-card .related-img img {
        height: 100%;
        min-height: 140px;
    }
    .related-card .related-info {
        padding: 14px 16px;
    }
    .related-card h3 {
        font-size: 15px;
    }
    .related-card p {
        font-size: 13px;
        line-height: 1.5;
        margin-bottom: 8px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-brand p {
        max-width: 100%;
    }
}
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .countdown-time {
        font-size: 16px;
    }
    .brand-logo > span:last-child {
        font-size: 18px;
    }
    .main-nav {
        top: 104px;
    }
    .breadcrumb {
        font-size: 13px;
    }
    .article-header h1 {
        font-size: 22px;
    }
    .article-meta {
        gap: 10px;
        flex-direction: column;
        gap: 6px;
    }
    .article-cover {
        border-radius: 12px;
    }
    .article-content {
        font-size: 15px;
    }
    .article-content blockquote {
        padding: 14px 16px;
    }
    .related-card {
        flex-direction: column;
    }
    .related-card .related-img {
        width: 100%;
        aspect-ratio: 16 / 9;
    }
    .related-card .related-img img {
        min-height: 0;
        height: 100%;
    }
    .footer-bottom p {
        font-size: 12px;
    }
}

/* roulang page: category2 */
:root {
            --teal-600: #0D9488;
            --teal-700: #0F766E;
            --teal-900: #134E4A;
            --teal-50: #F0FDFA;
            --teal-100: #CCFBF1;
            --amber-500: #F59E0B;
            --amber-600: #D97706;
            --amber-50: #FEF3C7;
            --bg: #F8F7F5;
            --card-bg: #FFFFFF;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9CA3AF;
            --border: #E5E7EB;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 24px -8px rgba(0, 0, 0, 0.15);
            --shadow-nav: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-btn: 0 6px 16px rgba(217, 119, 6, 0.25);
            --container: 1200px;
            --gap: 24px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --mono: Consolas, "SF Mono", "Courier New", monospace;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
            font-size: 14px;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 倒计时条 ===== */
        .countdown-bar {
            background: var(--teal-900);
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            padding: 0 20px;
            position: relative;
            z-index: 100;
        }

        .countdown-label {
            color: var(--teal-50);
            font-size: 13px;
            font-weight: 500;
        }

        .countdown-timer {
            font-family: var(--mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--amber-500);
            letter-spacing: 1px;
        }

        .countdown-badge {
            background: rgba(245, 158, 11, 0.2);
            color: var(--amber-500);
            border-radius: 999px;
            padding: 3px 12px;
            font-size: 12px;
            font-weight: 500;
            white-space: nowrap;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(229, 231, 235, 0.6);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: #ffffff;
            box-shadow: var(--shadow-nav);
        }

        .nav-wrap {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

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

        .brand-icon {
            width: 32px;
            height: 32px;
            background: var(--teal-700);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--teal-900);
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-link {
            font-size: 15px;
            color: var(--text-secondary);
            padding: 8px 2px;
            position: relative;
            font-weight: 500;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--teal-600);
            transform: scaleX(0);
            transition: transform 0.25s ease;
            border-radius: 2px;
        }

        .nav-link:hover {
            color: var(--teal-700);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--teal-900);
            font-weight: 600;
        }

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

        .nav-status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--teal-700);
            background: var(--teal-50);
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 500;
        }

        .nav-status-dot {
            width: 7px;
            height: 7px;
            background: #22c55e;
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        .nav-btn {
            height: 44px;
            padding: 0 24px;
            background: var(--amber-500);
            color: #111827;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-btn:hover {
            background: var(--amber-600);
            transform: translateY(-1px);
            box-shadow: var(--shadow-btn);
        }

        .nav-btn:active {
            transform: scale(0.98);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            color: var(--text);
            font-size: 20px;
            background: #fff;
        }

        .nav-toggle:hover {
            border-color: var(--teal-600);
            color: var(--teal-600);
        }

        /* ===== 页面标题区 ===== */
        .page-hero {
            background: linear-gradient(135deg, var(--teal-900) 0%, var(--teal-700) 60%, var(--teal-600) 100%);
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .page-badge {
            display: inline-block;
            background: rgba(204, 251, 241, 0.2);
            color: var(--teal-100);
            border-radius: 999px;
            padding: 5px 16px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            border: 1px solid rgba(204, 251, 241, 0.25);
        }

        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .page-hero .page-subtitle {
            font-size: 16px;
            color: rgba(240, 253, 250, 0.85);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== 开篇段落 ===== */
        .intro-section {
            padding: 80px 0 48px;
        }

        .intro-section .container {
            max-width: 760px;
            margin: 0 auto;
        }

        .intro-section p {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
            text-align: center;
        }

        /* ===== 图墙 ===== */
        .gallery-section {
            padding: 48px 0 64px;
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px 24px;
        }

        .gallery-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .gallery-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .gallery-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4/3;
        }

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

        .gallery-item:hover .gallery-thumb img {
            transform: scale(1.03);
        }

        .gallery-info {
            padding: 20px 24px 24px;
        }

        .gallery-info h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .gallery-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== 时间线 ===== */
        .timeline-section {
            padding: 64px 0 80px;
            background: #ffffff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .timeline-heading {
            text-align: center;
            margin-bottom: 56px;
        }

        .timeline-heading h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
        }

        .timeline-heading p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        .timeline {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            padding-left: 48px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--teal-100);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 48px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-node {
            position: absolute;
            left: -48px;
            top: 4px;
            width: 34px;
            height: 34px;
            background: var(--teal-700);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            box-shadow: 0 0 0 4px var(--teal-50);
            z-index: 1;
        }

        .timeline-content {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 20px 24px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .timeline-content:hover {
            border-color: var(--teal-100);
            background: var(--teal-50);
        }

        .timeline-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA 链接条 ===== */
        .cta-strip {
            padding: 80px 0;
            text-align: center;
        }

        .cta-strip h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .cta-strip p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        .cta-link-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 600;
            color: var(--teal-700);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--teal-600);
            transition: var(--transition);
        }

        .cta-link-btn:hover {
            background: var(--teal-600);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(13, 148, 136, 0.25);
        }

        .cta-link-btn .arrow {
            transition: transform 0.25s ease;
        }

        .cta-link-btn:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--teal-900);
            color: #ffffff;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--amber-500);
            color: #111827;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
        }

        .footer-logo span:last-child {
            font-size: 20px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-links h4,
        .footer-support h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #ffffff;
        }

        .footer-links a,
        .footer-support a {
            display: block;
            font-size: 14px;
            color: #94A3B8;
            padding: 4px 0;
        }

        .footer-links a:hover,
        .footer-support a:hover {
            color: var(--amber-500);
        }

        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.2);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: #94A3B8;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1279px) {
            .container {
                max-width: 100%;
                padding-left: 32px;
                padding-right: 32px;
            }

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

        @media (max-width: 1023px) {
            .page-hero h1 {
                font-size: 32px;
            }

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

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

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 767px) {
            .countdown-label {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 8px;
                box-shadow: var(--shadow-nav);
                border-radius: 0 0 12px 12px;
                transform: translateY(-100%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }

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

            .nav-link {
                display: block;
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }

            .nav-link::after {
                display: none;
            }

            .nav-status {
                display: none;
            }

            .page-hero {
                padding: 48px 0 40px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .page-hero .page-subtitle {
                font-size: 14px;
            }

            .intro-section {
                padding: 48px 0 32px;
            }

            .intro-section p {
                font-size: 15px;
                text-align: left;
            }

            .gallery-section {
                padding: 32px 0 48px;
            }

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

            .timeline-section {
                padding: 48px 0 56px;
            }

            .timeline-heading h2 {
                font-size: 24px;
            }

            .timeline {
                padding-left: 40px;
            }

            .timeline-node {
                left: -40px;
                width: 28px;
                height: 28px;
                font-size: 12px;
            }

            .timeline-content {
                padding: 16px 18px;
            }

            .cta-strip {
                padding: 48px 0;
            }

            .cta-strip h2 {
                font-size: 22px;
            }

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

            .footer-brand {
                grid-column: auto;
            }
        }

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

            .brand-name {
                font-size: 17px;
            }

            .nav-btn {
                padding: 0 16px;
                font-size: 13px;
                height: 40px;
            }

            .page-hero h1 {
                font-size: 22px;
            }

            .page-badge {
                font-size: 12px;
                padding: 4px 12px;
            }

            .gallery-info {
                padding: 16px 18px 20px;
            }

            .gallery-info h3 {
                font-size: 16px;
            }

            .gallery-info p {
                font-size: 13px;
            }

            .timeline-heading p {
                font-size: 13px;
            }

            .timeline-content h3 {
                font-size: 16px;
            }

            .timeline-content p {
                font-size: 13px;
            }

            .cta-link-btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --teal-600: #0D9488;
            --teal-700: #0F766E;
            --teal-900: #134E4A;
            --teal-50: #F0FDFA;
            --teal-100: #CCFBF1;
            --amber-500: #F59E0B;
            --amber-600: #D97706;
            --page-bg: #F8F7F5;
            --card-bg: #FFFFFF;
            --text-primary: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9CA3AF;
            --border-color: #E5E7EB;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-img: 16px;
            --radius-pill: 999px;
            --radius-tag: 6px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 24px -8px rgba(0, 0, 0, 0.15);
            --shadow-nav: 0 4px 16px rgba(0, 0, 0, 0.08);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
        }

        ul,
        ol {
            list-style: none;
        }

        button {
            border: none;
            font-family: inherit;
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 倒计时条 ===== */
        .countdown-bar {
            background: var(--teal-900);
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            width: 100%;
            z-index: 100;
        }
        .countdown-label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            letter-spacing: 1px;
        }
        .countdown-timer {
            font-family: Consolas, "SF Mono", Menlo, monospace;
            color: var(--amber-500);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 2px;
            background: rgba(0, 0, 0, 0.25);
            padding: 2px 14px;
            border-radius: 6px;
        }
        .countdown-badge {
            background: var(--amber-500);
            color: var(--teal-900);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: var(--radius-pill);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 90;
            background: rgba(255, 255, 255, 0.95);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
            height: 72px;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
            border-bottom-color: rgba(0, 0, 0, 0.04);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--teal-900);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 700;
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--teal-900);
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 2px;
            position: relative;
            transition: color 0.2s ease;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--teal-600);
            border-radius: 2px;
            transition: width 0.25s ease;
        }
        .nav-link:hover {
            color: var(--teal-700);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--teal-700);
            font-weight: 600;
        }
        .nav-link.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .online-dot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--teal-700);
            background: var(--teal-50);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--teal-100);
            white-space: nowrap;
        }
        .online-dot i {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22C55E;
            display: inline-block;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
        }
        .btn-primary {
            background: var(--amber-500);
            color: #111827;
        }
        .btn-primary:hover {
            background: var(--amber-600);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(217, 119, 6, 0.25);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 2px solid rgba(15, 118, 110, 0.4);
            outline-offset: 2px;
        }
        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            padding: 4px;
        }
        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .site-header.mobile-open .mobile-toggle span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .site-header.mobile-open .mobile-toggle span:nth-child(2) {
            opacity: 0;
        }
        .site-header.mobile-open .mobile-toggle span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== 页面标题区 ===== */
        .page-hero {
            padding: 72px 0 56px;
            background: linear-gradient(180deg, var(--teal-50) 0%, var(--page-bg) 100%);
            border-bottom: 1px solid var(--border-color);
        }
        .category-badge {
            display: inline-block;
            background: var(--teal-100);
            color: var(--teal-900);
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .page-hero h1 {
            font-size: 42px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .page-lead {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
        }

        /* ===== 图文交错块 ===== */
        .feature-section {
            padding: 64px 0;
        }
        .feature-block {
            display: grid;
            grid-template-columns: 58% 42%;
            gap: 56px;
            align-items: center;
            margin-bottom: 72px;
        }
        .feature-block:last-child {
            margin-bottom: 0;
        }
        .feature-block.reverse {
            grid-template-columns: 42% 58%;
        }
        .feature-block.reverse .feature-image {
            order: 2;
        }
        .feature-block.reverse .feature-text {
            order: 1;
        }
        .feature-image {
            border-radius: var(--radius-img);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .feature-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-image:hover img {
            transform: scale(1.03);
        }
        .feature-text h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 18px;
            color: var(--text-primary);
        }
        .feature-text p {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
        }

        /* ===== 全宽引文带 ===== */
        .quote-banner {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 100px 0;
            text-align: center;
        }
        .quote-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(19, 78, 74, 0.94) 0%, rgba(15, 118, 110, 0.85) 100%);
        }
        .quote-banner .container {
            position: relative;
            z-index: 1;
        }
        .quote-banner blockquote {
            color: #fff;
            font-size: 28px;
            font-weight: 600;
            line-height: 1.7;
            max-width: 680px;
            margin: 0 auto;
            position: relative;
            padding: 0 52px;
        }
        .quote-banner blockquote::before {
            content: '\201C';
            position: absolute;
            left: 0;
            top: -18px;
            font-size: 60px;
            color: var(--amber-500);
            line-height: 1;
        }
        .quote-banner blockquote::after {
            content: '\201D';
            position: absolute;
            right: 0;
            bottom: -36px;
            font-size: 60px;
            color: var(--amber-500);
            line-height: 1;
        }

        /* ===== 双列信息块 ===== */
        .info-columns {
            padding: 64px 0;
        }
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .info-card {
            background: var(--card-bg);
            padding: 40px 36px;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .info-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .info-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--teal-900);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--teal-100);
        }
        .info-card ul li {
            position: relative;
            padding: 9px 0 9px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .info-card ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 19px;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--teal-600);
        }

        /* ===== 收尾 CTA ===== */
        .section-cta {
            padding: 48px 0 72px;
            text-align: center;
        }
        .cta-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 600;
            color: var(--teal-700);
            padding: 16px 32px;
            background: var(--teal-50);
            border: 1px solid var(--teal-100);
            border-radius: var(--radius-card);
            transition: all 0.3s ease;
        }
        .cta-link .arrow {
            font-size: 26px;
            transition: transform 0.3s ease;
        }
        .cta-link:hover {
            background: var(--teal-100);
            color: var(--teal-900);
            box-shadow: 0 8px 20px rgba(13, 148, 136, 0.15);
        }
        .cta-link:hover .arrow {
            transform: translateX(8px);
        }
        .cta-link:focus-visible {
            outline: 2px solid rgba(15, 118, 110, 0.4);
            outline-offset: 4px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--teal-900);
            color: #fff;
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #94A3B8;
            max-width: 340px;
        }
        .footer-links h4,
        .footer-support h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-links a,
        .footer-support a {
            display: block;
            font-size: 14px;
            color: #94A3B8;
            padding: 5px 0;
            transition: color 0.2s ease;
        }
        .footer-links a:hover,
        .footer-support a:hover {
            color: var(--amber-500);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 18px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: #94A3B8;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1279px) {
            .container {
                max-width: 100%;
                padding: 0 32px;
            }
        }

        @media (max-width: 1023px) {
            .feature-block,
            .feature-block.reverse {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .feature-block.reverse .feature-image {
                order: 1;
            }
            .feature-block.reverse .feature-text {
                order: 2;
            }
            .feature-image img {
                height: 300px;
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 32px 24px;
                box-shadow: var(--shadow-nav);
                border-bottom: 1px solid var(--border-color);
                display: none;
                gap: 16px;
            }
            .site-header.mobile-open .main-nav {
                display: flex;
            }
            .nav-actions .btn {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .countdown-label {
                display: none;
            }
            .page-hero h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .page-hero {
                padding: 56px 0 40px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-lead {
                font-size: 15px;
            }
            .feature-section {
                padding: 48px 0;
            }
            .feature-text h2 {
                font-size: 24px;
            }
            .feature-text p {
                font-size: 16px;
            }
            .feature-image img {
                height: 240px;
            }
            .quote-banner {
                padding: 64px 0;
            }
            .quote-banner blockquote {
                font-size: 20px;
                padding: 0 32px;
            }
            .info-columns {
                padding: 48px 0;
            }
            .info-card {
                padding: 28px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 24px;
            }
            .section-cta {
                padding: 40px 0 56px;
            }
            .cta-link {
                font-size: 17px;
                padding: 14px 24px;
            }
            .countdown-badge {
                display: none;
            }
        }

        @media (max-width: 480px) {
            .countdown-label,
            .countdown-badge {
                display: none;
            }
            .countdown-timer {
                font-size: 13px;
                letter-spacing: 1px;
            }
            .brand-text {
                font-size: 17px;
            }
            .nav-container {
                padding: 0 16px;
            }
            .main-nav {
                padding: 16px 20px 24px;
            }
            .page-hero h1 {
                font-size: 24px;
                line-height: 1.3;
            }
            .feature-text h2 {
                font-size: 21px;
            }
            .feature-text p {
                font-size: 15px;
                line-height: 1.75;
            }
            .quote-banner blockquote {
                font-size: 17px;
                line-height: 1.8;
                padding: 0 20px;
            }
        }