/* roulang page: index */
:root {
            --primary: #256D92;
            --primary-dark: #1D5A79;
            --primary-light: #E3EFF8;
            --accent: #E5A63A;
            --bg-light: #F5F8FB;
            --card-bg: #FFFFFF;
            --text-main: #24344D;
            --text-muted: #6B7A93;
            --border-color: #E4EBF2;
            --radius: 16px;
            --shadow: 0 8px 30px rgba(31, 42, 68, 0.06);
            --shadow-hover: 0 12px 36px rgba(31, 42, 68, 0.12);
            --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        *,
        *::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-main);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img,
        a,
        button,
        input {
            display: block;
            max-width: 100%;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(31, 42, 68, 0.06);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 24px;
            max-width: 1240px;
            margin: 0 auto;
        }

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

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

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

        .search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-input {
            height: 38px;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 0 40px 0 36px;
            font-size: 14px;
            background: #fff;
            color: var(--text-main);
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
            width: 200px;
        }

        .search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 109, 146, 0.12);
        }

        .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            pointer-events: none;
        }

        .nav-bar {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
            border-top: 1px solid rgba(228, 235, 242, 0.6);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 48px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .nav-inner::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
            white-space: nowrap;
        }

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

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

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
            white-space: nowrap;
        }

        .hot-tag {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }

        .hot-tag:hover {
            background: var(--primary);
            color: #fff;
        }

        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            border: 1px solid var(--border-color);
            background: #fff;
        }

        .mobile-menu {
            display: none;
            padding: 12px 24px 20px;
            border-top: 1px solid var(--border-color);
            background: #fff;
        }

        .mobile-menu.show {
            display: block;
        }

        .mobile-menu .nav-link {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid rgba(228, 235, 242, 0.6);
        }

        .mobile-menu .nav-link:last-child {
            border-bottom: none;
        }

        /* Hero */
        .hero {
            position: relative;
            background: #fff;
            padding: 40px 0 32px;
            overflow: hidden;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 5fr 4fr;
            gap: 40px;
            align-items: center;
        }

        .hero-cover {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 16 / 9;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
        }

        .hero-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 25, 40, 0.65) 100%);
            pointer-events: none;
        }

        .hero-cover-content {
            position: relative;
            z-index: 2;
            padding: 32px 28px;
            color: #fff;
            width: 100%;
        }

        .hero-cover-badge {
            display: inline-block;
            background: rgba(229, 166, 58, 0.9);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .hero-cover-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .hero-cover-subtitle {
            font-size: 14px;
            opacity: 0.92;
        }

        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .countdown-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 28px 28px 24px;
            box-shadow: var(--shadow);
        }

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

        .countdown-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }

        .countdown-live-dot {
            width: 8px;
            height: 8px;
            background: #e05d5d;
            border-radius: 50%;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(224, 93, 93, 0.4);
            }
            50% {
                opacity: 0.8;
                box-shadow: 0 0 0 6px rgba(224, 93, 93, 0.1);
            }
        }

        .countdown-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .countdown-blocks {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .countdown-block {
            flex: 1;
            background: var(--primary-light);
            border-radius: 12px;
            padding: 14px 8px;
            text-align: center;
            transition: background 0.2s;
        }

        .countdown-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }

        .countdown-unit {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
            display: block;
        }

        .countdown-sep {
            font-size: 28px;
            font-weight: 700;
            color: var(--border-color);
        }

        .progress-area {
            margin-bottom: 20px;
        }

        .progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .progress-track {
            height: 6px;
            background: var(--primary-light);
            border-radius: 10px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 10px;
            width: 68%;
            transition: width 0.4s ease;
        }

        .highlights-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 24px;
        }

        .highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.5;
        }

        .highlight-bar {
            width: 3px;
            height: 16px;
            background: var(--primary);
            border-radius: 2px;
            flex-shrink: 0;
            margin-top: 4px;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
            margin-bottom: 16px;
        }

        .subscribe-input {
            flex: 1;
            height: 44px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 0 16px;
            font-size: 14px;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
            background: #fff;
        }

        .subscribe-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 109, 146, 0.12);
        }

        .btn-primary {
            height: 44px;
            padding: 0 24px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(37, 109, 146, 0.2);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(37, 109, 146, 0.4);
            outline-offset: 2px;
        }

        .btn-secondary {
            height: 40px;
            padding: 0 20px;
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            transition: background 0.2s, transform 0.2s;
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid rgba(37, 109, 146, 0.3);
            outline-offset: 2px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-replay-btn,
        .hero-archive-btn {
            height: 40px;
            padding: 0 20px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(4px);
            transition: background 0.2s, transform 0.2s;
        }

        .hero-replay-btn:hover,
        .hero-archive-btn:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }

        /* 板块通用 */
        .section {
            padding: 56px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-head {
            margin-bottom: 32px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* 最新信息 CMS 区域 */
        .latest-section {
            background: var(--bg-light);
        }

        .latest-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 32px;
        }

        .main-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s, box-shadow 0.3s;
            display: flex;
            flex-direction: column;
        }

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

        .main-card-image {
            height: 220px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .main-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(11, 25, 40, 0.5) 100%);
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            transition: background 0.2s, color 0.2s;
        }

        .badge-accent {
            background: rgba(229, 166, 58, 0.15);
            color: #b8791f;
        }

        .main-card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary);
        }

        .main-card-content {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .main-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .main-card-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .main-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: 4px;
        }

        .side-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .side-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card-bg);
            border-radius: 14px;
            padding: 18px 20px;
            box-shadow: var(--shadow);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid transparent;
        }

        .side-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }

        .side-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 10px;
            border-radius: 16px;
            flex-shrink: 0;
            white-space: nowrap;
        }

        .side-title {
            flex: 1;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.5;
        }

        .side-time {
            font-size: 12px;
            color: var(--text-muted);
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
        }

        .empty-state {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 24px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .empty-state-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            color: var(--text-muted);
            opacity: 0.5;
        }

        .empty-state-text {
            font-size: 15px;
            color: var(--text-muted);
        }

        /* 分类入口 */
        .category-section {
            background: #fff;
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .category-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: var(--shadow);
            transition: transform 0.3s, box-shadow 0.3s;
            display: flex;
            flex-direction: column;
        }

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

        .category-card-image {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .category-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 35%, rgba(11, 25, 40, 0.4) 100%);
        }

        .category-card-content {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .category-card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }

        .category-card-link {
            margin-top: 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s;
        }

        .category-card-link:hover {
            gap: 8px;
        }

        /* 特色介绍 */
        .feature-section {
            background: var(--bg-light);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .feature-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .feature-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            display: block;
        }

        .feature-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feature-content h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
        }

        .feature-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .feature-points {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 4px;
        }

        .feature-point {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-main);
        }

        .feature-point-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
        }

        .feature-stats {
            display: flex;
            gap: 32px;
            margin-top: 8px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }

        .stat-item {
            text-align: left;
        }

        .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* FAQ */
        .faq-section {
            background: #fff;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 14px;
            background: var(--card-bg);
            overflow: hidden;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .faq-item.expanded {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: transparent;
            gap: 16px;
        }

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

        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            color: var(--text-muted);
            transition: transform 0.3s ease, color 0.2s;
        }

        .faq-item.expanded .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.25s ease;
            padding: 0 24px;
            background: #fff;
        }

        .faq-item.expanded .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
            background: #F7FAFC;
        }

        .faq-answer-inner {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            border-left: 3px solid var(--primary);
            padding-left: 16px;
        }

        /* CTA */
        .cta-section {
            padding: 56px 0;
            background: var(--bg-light);
        }

        .cta-box {
            background: var(--primary-light);
            border-radius: 24px;
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

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

        .cta-box p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

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

        /* 页脚 */
        .site-footer {
            background: #1E2A3D;
            color: #A8B6C7;
            padding: 56px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-brand p {
            line-height: 1.7;
            font-size: 14px;
            margin-top: 12px;
            max-width: 300px;
        }

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

        .footer-links a {
            display: block;
            color: #A8B6C7;
            padding: 5px 0;
            font-size: 14px;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-newsletter p {
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .footer-subscribe-form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .footer-subscribe-form input {
            flex: 1;
            height: 40px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            padding: 0 14px;
            font-size: 13px;
            outline: none;
            transition: border-color 0.2s;
        }

        .footer-subscribe-form input::placeholder {
            color: #7A8A9D;
        }

        .footer-subscribe-form input:focus {
            border-color: var(--primary);
        }

        .footer-subscribe-form .btn-primary {
            height: 40px;
            font-size: 13px;
            padding: 0 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #7A8A9D;
        }

        .footer-bottom a {
            color: #A8B6C7;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .latest-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-image img {
                height: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                height: 56px;
                padding: 0 16px;
            }
            .desktop-nav {
                display: none;
            }
            .desktop-search {
                display: none;
            }
            .hot-tags {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .hero {
                padding: 24px 0;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-cover {
                aspect-ratio: 16 / 10;
            }
            .hero-cover-title {
                font-size: 20px;
            }
            .hero-side {
                gap: 16px;
            }
            .countdown-card {
                padding: 20px;
            }
            .countdown-blocks {
                gap: 6px;
            }
            .countdown-num {
                font-size: 26px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-stats {
                flex-direction: column;
                gap: 20px;
            }
            .cta-box {
                padding: 36px 24px;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .btn-primary {
                width: 100%;
            }
            .hero-actions {
                flex-direction: column;
                align-items: sticky;
            }
            .hero-replay-btn,
            .hero-archive-btn {
                width: 100%;
                justify-content: center;
            }
            .countdown-label {
                text-align: center;
            }
            .highlights-list {
                margin-top: 16px;
                margin-bottom: 20px;
            }
            .main-card-image {
                height: 180px;
            }
            .side-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 16px;
            }
            .side-time {
                align-self: flex-end;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 17px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }
            .countdown-num {
                font-size: 22px;
            }
            .countdown-unit {
                font-size: 11px;
            }
            .countdown-block {
                padding: 10px 4px;
            }
            .feature-image img {
                height: 200px;
            }
            .footer-subscribe-form {
                flex-direction: column;
            }
            .footer-subscribe-form .btn-primary {
                width: 100%;
            }
        }

/* roulang page: article */
:root {
            --primary: #2C6FB7;
            --primary-dark: #1E5A9E;
            --primary-light: #E3EFF8;
            --bg-light: #F5F8FB;
            --white: #FFFFFF;
            --text-main: #1F2A44;
            --text-secondary: #5A6A85;
            --text-light: #8A9BB5;
            --border-color: #E3EAF2;
            --accent: #E5A63A;
            --radius: 16px;
            --radius-sm: 12px;
            --shadow: 0 8px 30px rgba(31, 42, 68, 0.06);
            --shadow-hover: 0 12px 32px rgba(31, 42, 68, 0.12);
            --max-width: 1200px;
            --font: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }

        a { text-decoration: none; color: inherit; transition: color .2s ease; }
        img { max-width: 100%; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: 100%; line-height: inherit; color: inherit; }
        ul, ol { list-style: none; }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: background .2s, transform .2s, box-shadow .2s;
        }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(44,111,183,.25); }
        .btn-primary:active { transform: translateY(0); }
        .btn-primary:focus-visible { outline: 3px solid rgba(44,111,183,.35); outline-offset: 2px; }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s, transform .2s, box-shadow .2s;
        }
        .btn-secondary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(44,111,183,.12); }
        .btn-secondary:active { transform: translateY(0); }
        .btn-secondary:focus-visible { outline: 3px solid rgba(44,111,183,.35); outline-offset: 2px; }

        .section-pad { padding: 70px 0; }
        .section-pad-sm { padding: 48px 0; }

        .section-head { margin-bottom: 36px; }
        .section-head .tag-line {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: .5px;
            margin-bottom: 14px;
        }
        .section-head h2 { font-size: 28px; font-weight: 700; line-height: 1.3; letter-spacing: -.5px; }
        .section-head p { margin-top: 10px; color: var(--text-secondary); font-size: 15px; max-width: 600px; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled { box-shadow: 0 4px 20px rgba(31,42,68,.06); }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .logo-link { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            border-radius: 10px;
            letter-spacing: .5px;
        }
        .logo-text { font-size: 20px; font-weight: 700; color: var(--primary); letter-spacing: .3px; }

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

        .search-wrap { position: relative; width: 220px; }
        .search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-light); pointer-events: none; }
        .search-input {
            width: 100%;
            height: 38px;
            padding: 0 16px 0 36px;
            border: 1px solid var(--border-color);
            border-radius: 999px;
            background: var(--bg-light);
            font-size: 14px;
            color: var(--text-main);
            transition: border .2s, box-shadow .2s, background .2s;
        }
        .search-input::placeholder { color: var(--text-light); }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(44,111,183,.12);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background .2s;
        }
        .mobile-menu-btn:hover { background: var(--bg-light); }
        .mobile-menu-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

        .nav-bar { border-top: 1px solid var(--border-color); background: rgba(255,255,255,.95); }
        .nav-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 44px;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 2px;
            white-space: nowrap;
            transition: color .2s;
        }
        .nav-link:hover { color: var(--primary); }
        .nav-link.active { color: var(--primary); font-weight: 600; }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .hot-tags { display: flex; align-items: center; gap: 8px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
        .hot-tags::-webkit-scrollbar { display: none; }
        .hot-tag {
            font-size: 12px;
            color: var(--text-secondary);
            background: #F0F5FA;
            padding: 3px 12px;
            border-radius: 999px;
            white-space: nowrap;
            cursor: default;
            transition: background .2s, color .2s;
        }
        .hot-tag:hover { background: var(--primary-light); color: var(--primary); }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            padding: 0 24px 16px;
            border-top: 1px solid var(--border-color);
            background: #fff;
        }
        .mobile-menu.show { display: block; }
        .mobile-menu .nav-link {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid #F0F4F8;
        }
        .mobile-menu .nav-link:last-child { border-bottom: none; }
        .mobile-menu .nav-link.active::after { display: none; }
        .mobile-menu .nav-link.active { color: var(--primary); background: var(--bg-light); border-radius: 8px; padding-left: 12px; }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--text-secondary); transition: color .2s; }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .sep { color: var(--text-light); }
        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== Article ===== */
        .article-page-main { padding: 48px 0 64px; }

        .article-wrapper {
            max-width: 820px;
            margin: 0 auto;
            background: var(--white);
            border-radius: var(--radius);
            padding: 48px 56px;
            box-shadow: var(--shadow);
        }
        .article-wrapper h1 {
            font-size: 36px;
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -.5px;
            margin-bottom: 20px;
            color: var(--text-main);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 32px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta svg { color: var(--primary); }
        .meta-author { color: var(--primary); font-weight: 500; }

        .article-content { font-size: 16px; line-height: 1.85; color: var(--text-main); }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 44px 0 18px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
            letter-spacing: -.3px;
        }
        .article-content h3 { font-size: 20px; font-weight: 600; margin: 32px 0 12px; }
        .article-content h4 { font-size: 17px; font-weight: 600; margin: 24px 0 10px; }
        .article-content p { margin-bottom: 20px; }
        .article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-content a:hover { color: var(--primary-dark); }
        .article-content img { border-radius: var(--radius); margin: 28px 0; box-shadow: var(--shadow); }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-light);
            padding: 18px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 28px 0;
            color: var(--text-secondary);
        }
        .article-content blockquote p { margin-bottom: 0; }
        .article-content ul, .article-content ol { margin: 0 0 20px 22px; }
        .article-content ul li { list-style: disc; margin-bottom: 8px; }
        .article-content ol li { list-style: decimal; margin-bottom: 8px; }
        .article-content code {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 14px;
            color: var(--primary-dark);
        }
        .article-content pre {
            background: #1F2A44;
            color: #E8EFF7;
            border-radius: var(--radius-sm);
            padding: 20px;
            overflow-x: auto;
            margin: 24px 0;
            line-height: 1.6;
            font-size: 14px;
        }
        .article-content pre code { background: none; border: none; color: inherit; padding: 0; }
        .article-content hr { border: none; border-top: 1px solid var(--border-color); margin: 36px 0; }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tag {
            font-size: 13px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 999px;
            transition: background .2s, color .2s;
        }
        .article-tag:hover { background: var(--primary); color: #fff; }

        /* ===== Article not found ===== */
        .article-not-found {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
            padding: 70px 30px;
            background: var(--bg-light);
            border-radius: var(--radius);
        }
        .article-not-found .nf-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .article-not-found h1 { font-size: 30px; font-weight: 700; margin-bottom: 12px; }
        .article-not-found p { color: var(--text-secondary); margin-bottom: 28px; }

        /* ===== Related ===== */
        .related-section {
            background: var(--bg-light);
            padding: 60px 0;
            margin-top: 32px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }
        .related-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow .3s, transform .3s;
        }
        .related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .related-card .card-img { overflow: hidden; }
        .related-card .card-img img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body { padding: 16px 18px 20px; }
        .related-card .card-body h3 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .2s;
        }
        .related-card:hover .card-body h3 { color: var(--primary); }
        .related-card .card-meta {
            margin-top: 10px;
            font-size: 13px;
            color: var(--text-light);
        }

        .back-to-list { text-align: center; margin-top: 36px; }

        /* ===== Footer ===== */
        .site-footer {
            background: #1F2A44;
            color: rgba(255,255,255,.75);
            padding-top: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.8; max-width: 280px; color: rgba(255,255,255,.6); }
        .footer-links h4, .footer-newsletter h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-links a {
            display: block;
            color: rgba(255,255,255,.65);
            font-size: 14px;
            padding: 5px 0;
            transition: color .2s, padding-left .2s;
        }
        .footer-links a:hover { color: #fff; padding-left: 6px; }
        .footer-newsletter p { font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 16px; }
        .footer-subscribe-form { display: flex; gap: 10px; }
        .footer-subscribe-form input {
            flex: 1;
            height: 42px;
            border: 1px solid rgba(255,255,255,.15);
            background: rgba(255,255,255,.08);
            border-radius: 999px;
            padding: 0 16px;
            font-size: 14px;
            color: #fff;
            transition: border .2s, background .2s;
        }
        .footer-subscribe-form input::placeholder { color: rgba(255,255,255,.4); }
        .footer-subscribe-form input:focus { outline: none; border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.12); }
        .footer-subscribe-form .btn-primary { height: 42px; padding: 0 20px; flex-shrink: 0; background: var(--primary); }
        .footer-subscribe-form .btn-primary:hover { background: var(--primary-dark); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,.45);
        }
        .footer-bottom a { color: rgba(255,255,255,.55); }
        .footer-bottom a:hover { color: #fff; }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .article-wrapper { padding: 36px 32px; }
        }

        @media (max-width: 767px) {
            .container { padding: 0 16px; }
            .header-top { padding: 0 16px; height: 52px; }
            .desktop-search { display: none; }
            .desktop-nav { display: none; }
            .mobile-menu-btn { display: inline-flex; }
            .mobile-menu { display: none; }
            .mobile-menu.show { display: block; }
            .section-pad { padding: 48px 0; }
            .section-pad-sm { padding: 36px 0; }
            .section-head h2 { font-size: 24px; }
            .article-page-main { padding: 24px 0 48px; }
            .article-wrapper { padding: 24px 18px; border-radius: var(--radius-sm); }
            .article-wrapper h1 { font-size: 26px; line-height: 1.35; }
            .article-meta { gap: 10px 16px; font-size: 13px; }
            .article-content { font-size: 15px; }
            .article-content h2 { font-size: 20px; margin: 32px 0 14px; }
            .related-section { padding: 40px 0; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-subscribe-form { flex-direction: column; }
            .footer-subscribe-form input { width: 100%; }
            .footer-subscribe-form .btn-primary { width: 100%; }
            .breadcrumb .current { max-width: 180px; }
        }

        @media (max-width: 519px) {
            .logo-text { font-size: 17px; }
            .logo-mark { width: 34px; height: 34px; font-size: 12px; }
            .hot-tags { max-width: 100%; }
            .related-grid { gap: 14px; }
        }

/* roulang page: category1 */
:root {
            --primary: #2C6FB7;
            --primary-dark: #1E558F;
            --primary-light: #E3EFF8;
            --accent: #E5A63A;
            --bg: #F5F8FB;
            --card: #FFFFFF;
            --text: #1F2A44;
            --text-light: #5A6B85;
            --border: #E3EAF2;
            --radius: 16px;
            --radius-sm: 12px;
            --shadow: 0 8px 30px rgba(31, 42, 68, 0.06);
            --shadow-hover: 0 14px 40px rgba(31, 42, 68, 0.12);
            --font-base: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 64px 0;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .section-sub {
            color: var(--text-light);
            margin-top: 8px;
            max-width: 680px;
            font-size: 16px;
        }

        .btn-primary,
        .btn-outline,
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            border: none;
            transition: background .2s, color .2s, transform .2s, box-shadow .2s, border-color .2s;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(44, 111, 183, 0.25);
        }

        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .btn-outline-light:focus-visible,
        .search-input:focus-visible {
            outline: 3px solid rgba(44, 111, 183, 0.35);
            outline-offset: 2px;
        }

        .btn-outline {
            background: #fff;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

        .btn-outline-light {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.65);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: #fff;
            color: #fff;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow .3s;
        }

        .site-header.scrolled {
            box-shadow: 0 6px 20px rgba(31, 42, 68, 0.08);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            height: 64px;
            transition: height .3s;
        }

        .site-header.scrolled .header-top {
            height: 52px;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.02em;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
        }

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

        .search-wrap {
            position: relative;
        }

        .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            pointer-events: none;
        }

        .search-input {
            height: 40px;
            width: 240px;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 0 14px 0 38px;
            font-size: 14px;
            background: #fff;
            color: var(--text);
            transition: border-color .2s, box-shadow .2s, width .3s;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(44, 111, 183, 0.12);
            width: 280px;
        }

        .search-input::placeholder {
            color: #93A1B8;
        }

        .mobile-menu-btn {
            display: none;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 8px 10px;
            cursor: pointer;
            color: var(--text);
            transition: background .2s, border-color .2s;
        }

        .mobile-menu-btn:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }

        .nav-bar {
            background: #ffffff;
            border-top: 1px solid var(--border);
        }

        .nav-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 32px;
            padding: 0 24px;
            height: 48px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            padding: 13px 2px;
            border-bottom: 2px solid transparent;
            transition: color .2s, border-color .2s;
        }

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

        .nav-link.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .hot-tags {
            display: flex;
            gap: 10px;
            margin-left: auto;
            align-items: center;
        }

        .hot-tag {
            font-size: 12px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            white-space: nowrap;
            transition: background .2s;
        }

        .hot-tag:hover {
            background: #d5e5f3;
        }

        .mobile-menu {
            display: none;
            padding: 0 24px 16px;
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu .nav-link {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu .nav-link:last-of-type {
            border-bottom: none;
        }

        .mobile-search {
            padding: 12px 0;
        }

        /* ========== Hero Banner ========== */
        .breadcrumb {
            font-size: 13px;
            color: var(--text-light);
            padding: 28px 0 0;
            display: flex;
            gap: 8px;
            align-items: center;
        }

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

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        .breadcrumb .sep {
            color: #B6C3D4;
        }

        .hero-banner {
            margin: 20px 0 0;
            background: linear-gradient(100deg, rgba(24, 38, 60, 0.86) 0%, rgba(44, 111, 183, 0.65) 55%, rgba(44, 111, 183, 0.38) 100%), url('/assets/images/coverpic/cover-1.png') center / cover no-repeat;
            border-radius: 24px;
            padding: 60px 56px;
            min-height: 340px;
            display: flex;
            align-items: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.35);
            backdrop-filter: blur(4px);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-banner h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            max-width: 720px;
            letter-spacing: -0.02em;
        }

        .hero-desc {
            margin-top: 16px;
            font-size: 16px;
            max-width: 640px;
            color: rgba(255, 255, 255, 0.92);
            line-height: 1.8;
        }

        .hero-actions {
            margin-top: 32px;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== Topic Cards ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: transform .3s, box-shadow .3s;
            border: 1px solid rgba(227, 234, 242, 0.6);
        }

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

        .feature-card--wide {
            grid-column: span 2;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            align-items: center;
        }

        .feature-card--wide .feature-card-img {
            height: 280px;
        }

        .feature-card-img {
            overflow: hidden;
            height: 200px;
        }

        .feature-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

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

        .feature-card-body {
            padding: 24px;
        }

        .feature-card--wide .feature-card-body {
            padding: 36px 32px;
        }

        .feature-card-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .feature-card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .feature-card-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .feature-card-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: gap .2s, color .2s;
        }

        .feature-card:hover .feature-card-more {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ========== Split Section ========== */
        .split-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .split-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .split-media img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .split-content h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .split-content p {
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .feature-list {
            list-style: none;
            margin: 0 0 24px;
        }

        .feature-list li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 12px;
            color: var(--text);
        }

        .feature-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 11px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .stat-row {
            display: flex;
            gap: 36px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .stat-item {
            border-left: 2px solid var(--primary-light);
            padding-left: 14px;
        }

        .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-light);
        }

        /* ========== Scenario ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border);
            transition: border-color .2s, box-shadow .2s;
        }

        .scenario-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .scenario-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 14px;
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scenario-card p {
            color: var(--text-light);
            font-size: 15px;
        }

        /* ========== Steps ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }

        .step-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1;
            margin-bottom: 16px;
            font-variant-numeric: tabular-nums;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-card p {
            color: var(--text-light);
            font-size: 15px;
        }

        /* ========== Entry Links ========== */
        .entry-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
        }

        .entry-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            transition: background .2s, color .2s, transform .2s;
        }

        .entry-link:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 880px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-left: 3px solid transparent;
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .2s, background .2s;
        }

        .faq-item.open {
            border-left-color: var(--primary);
            background: var(--card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            user-select: none;
        }

        .faq-icon {
            color: var(--primary);
            flex-shrink: 0;
            transition: transform .3s;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 24px;
            color: var(--text-light);
            transition: max-height .35s ease, padding .35s ease;
            line-height: 1.8;
            font-size: 15px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-bottom: 20px;
            background: #F7FAFC;
        }

        /* ========== CTA ========== */
        .cta-block {
            background: var(--primary-light);
            border-radius: 24px;
            padding: 56px 48px;
            text-align: center;
        }

        .cta-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .cta-sub {
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 16px;
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: #1F2A44;
            color: #A9BAD1;
            padding: 64px 0 0;
            margin-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand p {
            margin-top: 16px;
            font-size: 14px;
            line-height: 1.9;
            color: #8FA3C0;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links a {
            display: block;
            color: #A9BAD1;
            font-size: 14px;
            margin-bottom: 10px;
            transition: color .2s, padding-left .2s;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-newsletter h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .footer-newsletter p {
            font-size: 14px;
            color: #8FA3C0;
            margin-bottom: 16px;
        }

        .footer-subscribe-form {
            display: flex;
            gap: 10px;
        }

        .footer-subscribe-form input {
            flex: 1;
            height: 44px;
            border: none;
            border-radius: 10px;
            padding: 0 14px;
            font-size: 14px;
            background: #fff;
            color: var(--text);
        }

        .footer-subscribe-form input:focus {
            outline: 3px solid rgba(44, 111, 183, 0.35);
        }

        .footer-subscribe-form .btn-primary {
            height: 44px;
            padding: 0 20px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 14px;
            color: #7184A2;
        }

        .footer-bottom a {
            color: #93A9C4;
            transition: color .2s;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1023px) {
            .hot-tags {
                display: none;
            }

            .split-section {
                gap: 40px;
            }

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

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

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

            .search-wrap.desktop-search {
                display: none;
            }

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

            .section {
                padding: 44px 0;
            }

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

            .hero-banner {
                padding: 36px 24px;
                min-height: 280px;
                border-radius: 18px;
            }

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

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

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline-light {
                justify-content: center;
            }

            .breadcrumb {
                padding-top: 20px;
                font-size: 12px;
            }

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

            .feature-card--wide {
                grid-column: span 1;
                display: block;
            }

            .feature-card--wide .feature-card-img {
                height: 200px;
            }

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

            .split-media img {
                height: 240px;
            }

            .stat-row {
                gap: 20px;
            }

            .stat-num {
                font-size: 24px;
            }

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

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

            .cta-block {
                padding: 36px 24px;
                border-radius: 18px;
            }

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

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

            .footer-subscribe-form {
                flex-direction: column;
            }

            .footer-subscribe-form .btn-primary {
                width: 100%;
            }

            .entry-links {
                padding: 20px;
            }
        }

        @media (max-width: 480px) {
            .header-top {
                padding: 0 16px;
                height: 56px;
            }

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

            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }

            .container {
                padding: 0 16px;
            }

            .hero-banner {
                padding: 28px 20px;
            }

            .feature-card-body {
                padding: 20px;
            }

            .scenario-card,
            .step-card {
                padding: 22px 20px;
            }

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

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

            .faq-item.open .faq-answer {
                padding-bottom: 16px;
            }
        }