/* roulang page: index */
:root {
            --primary: #0F8B6C;
            --primary-dark: #0A6B53;
            --primary-light: #38B392;
            --accent: #E8A33D;
            --accent-dark: #C9852B;
            --bg: #0B1117;
            --surface: #141E26;
            --surface-2: #1C2933;
            --border: rgba(255,255,255,0.1);
            --text: #F2F6F5;
            --text-secondary: #9DAEB8;
            --text-caption: #687B88;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 12px 32px rgba(0,0,0,0.35);
            --shadow-hover: 0 18px 44px rgba(0,0,0,0.45);
            --transition: 0.25s ease;
            --container-max: 1240px;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            background-color: var(--bg);
            color: var(--text);
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

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

        ul {
            list-style: none;
        }

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

        .section {
            padding: 88px 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 20px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.2;
            color: var(--text);
            position: relative;
            padding-left: 18px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: var(--primary);
        }

        .section-sub {
            font-size: 14px;
            color: var(--text-caption);
            white-space: nowrap;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
            text-decoration: none;
            border: none;
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15,139,108,0.35);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary.btn-sm {
            padding: 9px 22px;
            font-size: 14px;
        }

        .btn-primary.btn-lg {
            padding: 16px 42px;
            font-size: 17px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            background: transparent;
            color: var(--text);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid rgba(255,255,255,0.45);
            transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
            text-decoration: none;
        }

        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(15,139,108,0.08);
        }

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

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 16px 48px;
            border-radius: var(--radius-pill);
            background: var(--accent);
            color: #10151a;
            font-size: 17px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
            text-decoration: none;
            border: none;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232,163,61,0.25);
            color: #10151a;
        }

        /* ===== 焦点样式 ===== */
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11,17,23,0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(11,17,23,0.92);
            border-bottom-color: var(--border);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 32px;
            height: 72px;
        }

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

        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(15,139,108,0.3);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0.05em;
            color: var(--text);
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color 0.25s ease, background 0.25s ease;
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary-light);
            background: rgba(15,139,108,0.08);
        }

        .nav-link.active {
            color: var(--primary-light);
            background: rgba(15,139,108,0.15);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary-light);
        }

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

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--surface-2);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            width: 180px;
            border: 1px solid transparent;
            transition: border-color 0.25s ease;
        }

        .search-box i {
            font-size: 13px;
            color: var(--text-caption);
        }

        .search-box input {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 13px;
            width: 100%;
            line-height: 1.4;
        }

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

        .search-box:focus-within {
            border-color: var(--accent);
        }

        .login-link {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 4px;
            white-space: nowrap;
        }

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

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border-radius: 10px;
            cursor: pointer;
            position: relative;
            flex-shrink: 0;
        }

        .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: var(--text);
            transition: all 0.3s ease;
        }

        .nav-toggle span {
            top: 50%;
            transform: translate(-50%, -50%);
        }

        .nav-toggle span::before {
            top: -7px;
        }

        .nav-toggle span::after {
            top: 7px;
        }

        .nav-toggle.open span {
            background: transparent;
        }

        .nav-toggle.open span::before {
            top: 0;
            transform: rotate(45deg);
        }

        .nav-toggle.open span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11,17,23,0.97);
            z-index: 999;
            padding: 96px 32px 40px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

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

        .mobile-drawer .drawer-link {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            padding: 16px 8px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-drawer .drawer-link:hover {
            color: var(--primary-light);
        }

        .mobile-drawer .drawer-link.active {
            color: var(--primary-light);
        }

        .mobile-drawer .drawer-login {
            margin-top: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== Hero ===== */
        .hero-section {
            min-height: 92vh;
            position: relative;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,17,23,0.55) 0%, rgba(11,17,23,0.35) 40%, rgba(11,17,23,0.88) 100%);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, var(--bg));
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 56px 0 160px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(15,139,108,0.2);
            border: 1px solid rgba(56,179,146,0.35);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 28px;
            letter-spacing: 0.03em;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero-title {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.18;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 16px rgba(0,0,0,0.5);
        }

        .hero-title .highlight {
            color: var(--primary-light);
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.6;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 36px;
        }

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

        .hero-stats {
            position: absolute;
            right: 40px;
            bottom: 120px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(20,30,38,0.7);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 16px 28px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-stat {
            text-align: center;
            padding: 0 14px;
        }

        .hero-stat + .hero-stat {
            border-left: 1px solid var(--border);
        }

        .hero-stat .num {
            font-size: 26px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 12px;
            color: var(--text-caption);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        /* ===== 横滑轨道 ===== */
        .shelf-section {
            padding-top: 40px;
        }

        .shelf-wrap {
            position: relative;
            overflow: hidden;
        }

        .shelf-track {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 16px 4px 24px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .shelf-track::-webkit-scrollbar {
            display: none;
        }

        .shelf-track::before,
        .shelf-track::after {
            content: '';
            flex-shrink: 0;
            width: 8px;
        }

        .shelf-fade {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 60px;
            pointer-events: none;
            z-index: 2;
        }

        .shelf-fade.left {
            left: 0;
            background: linear-gradient(90deg, var(--bg), transparent);
        }

        .shelf-fade.right {
            right: 0;
            background: linear-gradient(270deg, var(--bg), transparent);
        }

        .shelf-controls {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .shelf-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
        }

        .shelf-btn:hover {
            background: var(--surface-2);
            border-color: var(--primary-light);
            color: var(--primary-light);
        }

        .shelf-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            cursor: pointer;
        }

        .shelf-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(56,179,146,0.3);
        }

        .shelf-card-cover {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

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

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

        .shelf-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(11,17,23,0.6));
        }

        .shelf-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: var(--accent);
            color: #10151a;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }

        .shelf-card-body {
            padding: 16px;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 10px;
        }

        .shelf-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text);
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            flex: 1;
        }

        .shelf-arrow {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--surface-2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary-light);
            flex-shrink: 0;
            transition: background 0.25s ease, transform 0.25s ease;
        }

        .shelf-card:hover .shelf-arrow {
            background: var(--primary);
            color: #fff;
            transform: translateX(3px);
        }

        /* ===== 热门推荐 ===== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .hot-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .hot-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(56,179,146,0.25);
        }

        .hot-card-cover {
            height: 180px;
            overflow: hidden;
            position: relative;
            display: block;
        }

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

        .hot-card:hover .hot-card-cover img {
            transform: scale(1.04);
        }

        .hot-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(11,17,23,0.4));
        }

        .hot-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hot-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
        }

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

        .hot-card-body p {
            font-size: 13px;
            color: var(--text-caption);
            line-height: 1.6;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            flex: 1;
        }

        .hot-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 6px;
        }

        .hot-card-cat {
            font-size: 12px;
            color: var(--primary-light);
            background: rgba(15,139,108,0.12);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-weight: 600;
        }

        .hot-card-time {
            font-size: 12px;
            color: var(--text-caption);
        }

        .hot-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--primary-light);
            font-weight: 600;
        }

        .hot-card-link:hover {
            color: var(--accent);
        }

        /* ===== 片单分区一（大图网格） ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .feature-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .feature-card.feature-main {
            grid-column: span 2;
            min-height: 380px;
        }

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

        .feature-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            transition: transform 0.5s ease;
        }

        .feature-card:hover img {
            transform: scale(1.04);
        }

        .feature-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(11,17,23,0.85));
            z-index: 1;
        }

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

        .feature-content .tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            background: rgba(232,163,61,0.15);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            display: inline-block;
        }

        .feature-content h3 {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .feature-content p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 480px;
            line-height: 1.6;
        }

        /* ===== 片单分区二（列表条带） ===== */
        .list-strip {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .strip-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: background 0.25s ease, transform 0.25s ease;
            cursor: pointer;
        }

        .strip-item:hover {
            background: var(--surface-2);
        }

        .strip-num {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(15,139,108,0.15);
            color: var(--primary-light);
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .strip-info {
            flex: 1;
            min-width: 0;
        }

        .strip-info h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            transition: color 0.25s ease;
        }

        .strip-item:hover .strip-info h4 {
            color: var(--primary-light);
        }

        .strip-info p {
            font-size: 13px;
            color: var(--text-caption);
            margin-top: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .strip-arrow {
            color: var(--text-caption);
            font-size: 14px;
            flex-shrink: 0;
            transition: color 0.25s ease, transform 0.25s ease;
        }

        .strip-item:hover .strip-arrow {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        /* ===== 追剧CTA ===== */
        .cta-section {
            padding: 40px 0;
        }

        .cta-banner {
            position: relative;
            background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 55%, var(--primary-dark) 100%);
            border-radius: 24px;
            padding: 120px 40px;
            text-align: center;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0.12;
            filter: blur(60px);
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -100px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0.1;
            filter: blur(80px);
        }

        .cta-banner h2 {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
            text-shadow: 0 2px 10px rgba(0,0,0,0.15);
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255,255,255,0.75);
            margin-bottom: 36px;
            position: relative;
            z-index: 1;
        }

        .cta-banner .btn-accent {
            position: relative;
            z-index: 1;
        }

        /* ===== 最新动态（CMS） ===== */
        .news-section {
            background: transparent;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .news-card {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
        }

        .news-card:hover {
            background: var(--surface-2);
            border-color: rgba(56,179,146,0.25);
            transform: translateY(-2px);
        }

        .news-date-badge {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            border-radius: var(--radius-md);
            background: var(--surface-2);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            transition: background 0.25s ease;
        }

        .news-card:hover .news-date-badge {
            background: var(--primary);
        }

        .news-date-badge .day {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }

        .news-date-badge .mon {
            font-size: 11px;
            color: var(--text-caption);
            line-height: 1.2;
        }

        .news-card:hover .news-date-badge .day,
        .news-card:hover .news-date-badge .mon {
            color: #fff;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary-light);
            background: rgba(15,139,108,0.12);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: 8px;
        }

        .news-content h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .news-content h3 a {
            color: var(--text);
            transition: color 0.25s ease;
        }

        .news-content h3 a:hover {
            color: var(--primary-light);
        }

        .news-content p {
            font-size: 13px;
            color: var(--text-caption);
            line-height: 1.6;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-link {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--surface-2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary-light);
            margin-top: 12px;
            transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
        }

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

        .empty-state {
            grid-column: 1 / -1;
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 60px 20px;
            text-align: center;
            color: var(--text-caption);
        }

        .empty-state i {
            font-size: 32px;
            margin-bottom: 12px;
            display: block;
            opacity: 0.5;
        }

        .empty-state p {
            font-size: 15px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #080D12;
            border-top: 3px solid var(--primary);
            padding: 64px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand .brand-text {
            font-size: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-caption);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

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

        .footer-newsletter p {
            font-size: 14px;
            color: var(--text-caption);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .footer-newsletter form {
            display: flex;
            gap: 8px;
        }

        .footer-newsletter input {
            flex: 1;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 10px 18px;
            font-size: 13px;
            color: var(--text);
            min-width: 0;
        }

        .footer-newsletter input::placeholder {
            color: var(--text-caption);
        }

        .footer-newsletter input:focus {
            border-color: var(--accent);
        }

        .footer-newsletter .btn-primary {
            padding: 10px 18px;
            font-size: 13px;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 12px;
            color: var(--text-caption);
        }

        .footer-bottom a {
            color: var(--text-caption);
            margin-left: 12px;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section { padding: 72px 0; }
            .hero-title { font-size: 44px; }
            .hero-stats { display: none; }
            .nav-actions .search-box { width: 140px; }
            .main-nav .nav-link { padding: 8px 10px; font-size: 13px; }
            .hot-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-grid { grid-template-columns: 1fr; }
            .feature-card.feature-main { grid-column: span 1; }
            .news-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }

        @media (max-width: 640px) {
            .site-header { height: 60px; }
            .nav-wrap { height: 60px; gap: 16px; }
            .main-nav { display: none; }
            .nav-actions .search-box,
            .nav-actions .login-link,
            .nav-actions .btn-primary { display: none; }
            .nav-toggle { display: block; }
            .section { padding: 56px 0; }
            .section-title { font-size: 24px; }
            .section-header { margin-bottom: 28px; }
            .container-wide { padding: 0 16px; }
            .hero-section { min-height: 60vh; }
            .hero-title { font-size: 34px; }
            .hero-subtitle { font-size: 16px; }
            .hero-ctas { width: 100%; }
            .hero-ctas .btn-primary, .hero-ctas .btn-outline { width: 100%; }
            .hero-content { padding: 40px 0 100px; }
            .hot-grid { grid-template-columns: 1fr; }
            .news-card { flex-wrap: wrap; }
            .news-link { margin-top: 0; }
            .cta-banner { padding: 60px 20px; }
            .cta-banner h2 { font-size: 28px; }
            .cta-banner .btn-accent { padding: 14px 32px; font-size: 15px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .shelf-card { flex-basis: 280px; }
            .brand-text { font-size: 16px; }
            .brand-icon { width: 30px; height: 30px; font-size: 14px; }
        }

        /* Foundation 覆盖 */
        .grid-margin-x > .cell {
            margin-bottom: 24px;
        }

        .grid-container {
            max-width: var(--container-max);
        }

/* roulang page: category1 */
/* ========== Design Tokens ========== */
        :root {
            --primary: #0F8B6C;
            --primary-dark: #0A6B53;
            --primary-light: #38B392;
            --accent: #E8A33D;
            --accent-dark: #C9852B;
            --bg: #0B1117;
            --surface: #141E26;
            --surface-2: #1C2933;
            --border: rgba(255, 255, 255, 0.1);
            --text: #F2F6F5;
            --text-secondary: #9DAEB8;
            --text-caption: #687B88;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 20px 44px rgba(0, 0, 0, 0.5);
            --transition: 0.25s ease;
            --container-w: 1240px;
            --spacing: 88px;
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img { max-width: 100%; display: block; }
        ul, ol { list-style: none; }
        a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-light); }
        input, button, textarea, select { font-family: inherit; }
        .container-wide {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section { padding: 88px 0; }
        .section-tight { padding: 56px 0; }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header .tag-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(15, 139, 108, 0.12);
            border: 1px solid rgba(15, 139, 108, 0.25);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
            color: var(--text);
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        @media (max-width: 640px) {
            :root { --spacing: 56px; }
            .section { padding: 56px 0; }
            .section-header h2 { font-size: 26px; }
            .container-wide { padding: 0 16px; }
        }

        /* ========== Buttons ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition), opacity var(--transition);
            box-shadow: 0 4px 16px rgba(15, 139, 108, 0.3);
        }
        .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15, 139, 108, 0.4); }
        .btn-primary:active { transform: translateY(0); }
        .btn-primary.btn-sm { padding: 10px 20px; font-size: 14px; }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
        }
        .btn-outline:hover { border-color: var(--primary-light); color: var(--primary-light); background: rgba(15, 139, 108, 0.06); transform: translateY(-2px); }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #161B1E;
            border: none;
            border-radius: var(--radius-pill);
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 16px rgba(232, 163, 61, 0.3);
        }
        .btn-accent:hover { background: var(--accent-dark); color: #161B1E; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232, 163, 61, 0.4); }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ========== Header & Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 17, 23, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
        }
        .site-header.scrolled {
            background: rgba(11, 17, 23, 0.96);
            border-bottom-color: var(--border);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 32px;
            height: 72px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 12px;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(15, 139, 108, 0.35);
        }
        .brand-text {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0.05em;
            color: var(--text);
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
        }
        .main-nav .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color var(--transition), background var(--transition);
        }
        .main-nav .nav-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }
        .main-nav .nav-link.active {
            color: var(--primary-light);
            background: rgba(15, 139, 108, 0.12);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--surface-2);
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            padding: 9px 16px;
            width: 180px;
            transition: border-color var(--transition), background var(--transition);
        }
        .search-box i { color: var(--text-caption); font-size: 14px; }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text);
            font-size: 14px;
            width: 100%;
        }
        .search-box input::placeholder { color: var(--text-caption); }
        .search-box:focus-within { border-color: var(--accent); background: rgba(28, 41, 51, 0.9); }
        .login-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-pill);
            transition: color var(--transition), background var(--transition);
        }
        .login-link:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            background: transparent;
            border-radius: 12px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .nav-toggle.active span:nth-child(2) { opacity: 0; }
        @media (max-width: 1024px) {
            .main-nav { gap: 2px; }
            .main-nav .nav-link { padding: 8px 12px; font-size: 14px; }
            .search-box { width: 130px; }
            .nav-wrap { gap: 20px; }
        }
        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(11, 17, 23, 0.98);
                padding: 20px 16px 30px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                transition: transform 0.4s ease;
            }
            .main-nav.open { transform: translateY(0); }
            .main-nav .nav-link {
                font-size: 16px;
                padding: 14px 16px;
                border-radius: 12px;
                justify-content: space-between;
            }
            .main-nav .nav-link::after {
                content: "\f105";
                font-family: "Font Awesome 6 Free";
                font-weight: 900;
                color: var(--text-caption);
            }
            .nav-actions { gap: 4px; }
            .search-box { width: 44px; padding: 9px 12px; }
            .search-box input { display: none; }
            .login-link { display: none; }
            .nav-toggle { display: inline-flex; }
            .brand-text { font-size: 16px; }
        }
        @media (max-width: 480px) {
            .btn-primary.btn-sm { padding: 8px 16px; font-size: 13px; }
        }

        /* ========== Page Hero (inner) ========== */
        .page-hero {
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 23, 0.1) 0%, rgba(11, 17, 23, 0.55) 45%, var(--bg) 100%);
        }
        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(15, 139, 108, 0.25), transparent 70%);
            pointer-events: none;
        }
        .page-hero .container-wide {
            position: relative;
            z-index: 2;
            padding-top: 48px;
            padding-bottom: 56px;
        }
        .page-hero .hero-breadcrumb {
            font-size: 13px;
            color: var(--text-caption);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .page-hero .hero-breadcrumb a { color: var(--text-caption); }
        .page-hero .hero-breadcrumb a:hover { color: var(--primary-light); }
        .page-hero .hero-breadcrumb i { font-size: 10px; color: var(--text-caption); }
        .page-hero h1 {
            font-size: 50px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.2;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }
        .page-hero .hero-sub {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .page-hero { min-height: 220px; }
            .page-hero h1 { font-size: 34px; }
            .page-hero .hero-sub { font-size: 16px; }
        }

        /* ========== Service Grid (diff cards) ========== */
        .service-grid-section { padding: 88px 0; }
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            position: relative;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
            overflow: hidden;
            min-height: 260px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            background: var(--surface-2);
            border-color: rgba(15, 139, 108, 0.3);
        }
        .service-card.featured {
            grid-column: span 2;
            background: linear-gradient(135deg, rgba(15, 139, 108, 0.18), rgba(15, 139, 108, 0.04)), var(--surface);
            border-color: rgba(15, 139, 108, 0.3);
        }
        .service-card.featured::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(56, 179, 146, 0.15), transparent 70%);
            pointer-events: none;
        }
        .service-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 24px;
            background: rgba(15, 139, 108, 0.15);
            color: var(--primary-light);
            border: 1px solid rgba(15, 139, 108, 0.25);
        }
        .service-card.featured .card-icon {
            background: rgba(232, 163, 61, 0.15);
            color: var(--accent);
            border-color: rgba(232, 163, 61, 0.25);
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .service-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .service-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
        }
        .service-card .card-link i { transition: transform var(--transition); }
        .service-card .card-link:hover i { transform: translateX(4px); }
        @media (max-width: 1024px) {
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .service-card.featured { grid-column: span 2; }
        }
        @media (max-width: 640px) {
            .service-grid-section { padding: 56px 0; }
            .service-grid { grid-template-columns: 1fr; }
            .service-card.featured { grid-column: span 1; }
            .service-card { min-height: 0; padding: 28px 24px; }
        }

        /* ========== Process Steps ========== */
        .process-section {
            background: #0D141B;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            position: relative;
            transition: border-color var(--transition), transform var(--transition);
        }
        .step-item:hover {
            border-color: rgba(15, 139, 108, 0.4);
            transform: translateY(-2px);
        }
        .step-num {
            font-size: 48px;
            font-weight: 800;
            line-height: 1;
            color: rgba(15, 139, 108, 0.35);
            margin-bottom: 20px;
            font-family: inherit;
        }
        .step-item h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .step-item::after {
            content: "\f0da";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--text-caption);
            font-size: 20px;
            z-index: 2;
            opacity: 0.5;
        }
        .step-item:last-child::after { display: none; }
        @media (max-width: 1024px) {
            .process-steps { grid-template-columns: 1fr; gap: 16px; max-width: 760px; margin: 0 auto; }
            .step-item::after { display: none; }
        }
        @media (max-width: 640px) {
            .step-item { padding: 28px 24px; }
            .step-num { font-size: 40px; }
        }

        /* ========== Scenario Grid ========== */
        .scenario-section { padding: 88px 0; }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scenario-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: transform var(--transition), border-color var(--transition), background var(--transition);
        }
        .scenario-item:hover {
            transform: translateY(-4px);
            border-color: rgba(232, 163, 61, 0.3);
            background: var(--surface-2);
        }
        .scenario-item i {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 16px;
        }
        .scenario-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }
        .scenario-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .scenario-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 640px) {
            .scenario-section { padding: 56px 0; }
            .scenario-grid { grid-template-columns: 1fr; }
        }

        /* ========== FAQ Accordion ========== */
        .faq-section { padding: 88px 0; }
        .faq-wrap { max-width: 840px; margin: 0 auto; }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item.active { border-color: rgba(15, 139, 108, 0.4); }
        .faq-toggle {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            background: transparent;
            border: none;
            padding: 22px 26px;
            cursor: pointer;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: background var(--transition);
        }
        .faq-toggle:hover { background: rgba(255, 255, 255, 0.02); }
        .faq-toggle .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(15, 139, 108, 0.15);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 13px;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .faq-item.active .faq-toggle .faq-icon {
            transform: rotate(45deg);
            background: rgba(15, 139, 108, 0.25);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease, padding 0.45s ease;
            padding: 0 26px;
        }
        .faq-answer-inner {
            padding-bottom: 22px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer { max-height: 300px; padding: 0 26px; }
        @media (max-width: 640px) {
            .faq-section { padding: 56px 0; }
            .faq-toggle { padding: 18px 20px; font-size: 14px; }
            .faq-answer-inner { font-size: 14px; }
        }

        /* ========== CTA Bar ========== */
        .cta-bar-section { padding: 56px 0; }
        .cta-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 44px 48px;
            flex-wrap: wrap;
        }
        .cta-bar .cta-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .cta-bar .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 520px;
        }
        .cta-bar .cta-btn { flex-shrink: 0; }
        @media (max-width: 768px) {
            .cta-bar { flex-direction: column; align-items: flex-start; padding: 32px 28px; gap: 20px; }
            .cta-bar .cta-btn { width: 100%; }
            .cta-bar .cta-btn a { width: 100%; }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #080D12;
            border-top: 3px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding: 64px 0 40px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-caption);
            margin-top: 16px;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col ul a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-newsletter p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .footer-newsletter form {
            display: flex;
            gap: 8px;
        }
        .footer-newsletter input {
            flex: 1;
            min-width: 0;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 11px 18px;
            color: var(--text);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition);
        }
        .footer-newsletter input:focus { border-color: var(--accent); }
        .footer-newsletter input::placeholder { color: var(--text-caption); }
        .footer-newsletter .btn-primary { padding: 11px 22px; font-size: 14px; }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0 28px;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-caption);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a { color: var(--text-caption); margin-left: 16px; }
        .footer-bottom a:hover { color: var(--primary-light); }
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 640px) {
            .footer-grid { grid-template-columns: 1fr; padding: 40px 0 32px; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-bottom a { margin: 0 8px; }
        }

        /* ========== Animations ========== */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in-up { animation: fadeInUp 0.8s ease both; }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }
        .delay-4 { animation-delay: 0.4s; }

/* roulang page: category2 */
:root {
            --primary: #0F8B6C;
            --primary-dark: #0A6B53;
            --primary-light: #38B392;
            --accent: #E8A33D;
            --accent-dark: #C9852B;
            --bg: #0B1117;
            --surface: #141E26;
            --surface-2: #1C2933;
            --border: rgba(255, 255, 255, 0.1);
            --text: #F2F6F5;
            --text-secondary: #9DAEB8;
            --text-caption: #687B88;
            --radius: 16px;
            --radius-sm: 12px;
            --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 20px 44px rgba(0, 0, 0, 0.5);
            --transition: 0.25s ease;
            --container-w: 1240px;
            --gap-section: 88px;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
        }

        *,
        *::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: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: var(--text);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
        }

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

        button,
        input {
            font-family: var(--font-stack);
            border: none;
            outline: none;
        }

        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        .section {
            padding: var(--gap-section) 0;
        }

        .section-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 640px;
            margin-bottom: 40px;
        }

        /* ==================== 按钮 ==================== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            padding: 13px 32px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            line-height: 1.5;
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 139, 108, 0.35);
        }

        .btn-primary.btn-sm {
            padding: 9px 22px;
            font-size: 14px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--text);
            border-radius: 999px;
            padding: 13px 32px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.3);
            line-height: 1.5;
            text-align: center;
        }

        .btn-secondary:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(15, 139, 108, 0.08);
            transform: translateY(-2px);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #111;
            border-radius: 999px;
            padding: 15px 42px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            line-height: 1.5;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #111;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(232, 163, 61, 0.3);
        }

        /* ==================== 导航 ==================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 17, 23, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            transition: background var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11, 17, 23, 0.96);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

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

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(15, 139, 108, 0.3);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0.05em;
            color: var(--text);
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav .nav-link {
            padding: 8px 16px;
            border-radius: 800px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
            border: 1px solid transparent;
        }

        .main-nav .nav-link:hover {
            color: var(--primary-light);
            background: rgba(15, 139, 108, 0.08);
        }

        .main-nav .nav-link.active {
            color: #fff;
            background: rgba(15, 139, 108, 0.2);
            border-color: rgba(15, 139, 108, 0.4);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--surface-2);
            border-radius: 999px;
            padding: 8px 16px;
            width: 180px;
            border: 1px solid transparent;
            transition: border-color var(--transition);
        }

        .search-box i {
            color: var(--text-caption);
            font-size: 12px;
            margin-right: 8px;
        }

        .search-box input {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 13px;
            width: 100%;
        }

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

        .search-box:focus-within {
            border-color: var(--accent);
        }

        .login-link {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 4px;
            font-weight: 500;
        }

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

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            cursor: pointer;
            position: relative;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            margin: 0 auto;
            position: relative;
            transition: all var(--transition);
        }

        .nav-toggle span::before,
        .nav-toggle span::after {
            content: '';
            position: absolute;
            left: 0;
            width: 20px;
            height: 2px;
            background: var(--text);
            transition: all var(--transition);
        }

        .nav-toggle span::before {
            top: -7px;
        }

        .nav-toggle span::after {
            top: 7px;
        }

        .nav-toggle.active span {
            background: transparent;
        }

        .nav-toggle.active span::before {
            top: 0;
            transform: rotate(45deg);
        }

        .nav-toggle.active span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        .mobile-menu {
            position: fixed;
            inset: 0;
            background: rgba(11, 17, 23, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            display: flex;
            flex-direction: column;
            padding: 90px 24px 40px;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition);
            overflow-y: auto;
        }

        .mobile-menu.active {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu a {
            font-size: 24px;
            font-weight: 600;
            color: var(--text);
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .mobile-menu a i {
            color: var(--text-caption);
        }

        .mobile-menu a.active {
            color: var(--primary-light);
        }

        .mobile-menu .m-menu-login {
            margin-top: auto;
            display: flex;
            gap: 12px;
            border-bottom: none;
            padding-top: 30px;
        }

        .mobile-menu .m-menu-login a {
            padding: 12px 24px;
            font-size: 16px;
        }

        /* ==================== page-hero ==================== */
        .page-hero {
            position: relative;
            height: 260px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.png') center 30% no-repeat;
            background-size: cover;
            margin-top: 70px;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 17, 23, 0.92) 20%, rgba(11, 17, 23, 0.6) 60%, rgba(11, 17, 23, 0.4) 100%);
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 23, 0) 55%, rgba(11, 17, 23, 0.6) 100%);
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            color: #fff;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
        }

        .page-hero p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 560px;
            line-height: 1.7;
        }

        /* ==================== 精选特色 ==================== */
        .featured-section {
            padding: 72px 0 88px;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 40px;
        }

        .featured-card-main {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            text-decoration: none;
            display: block;
            transition: all var(--transition);
            position: relative;
        }

        .featured-card-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(56, 179, 146, 0.3);
        }

        .featured-card-main .fc-image {
            height: 280px;
            overflow: hidden;
            position: relative;
        }

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

        .featured-card-main:hover .fc-image img {
            transform: scale(1.04);
        }

        .featured-card-main .fc-body {
            padding: 28px;
        }

        .featured-card-main .fc-tag {
            display: inline-block;
            background: rgba(232, 163, 61, 0.15);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .featured-card-main .fc-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
            line-height: 1.4;
        }

        .featured-card-main .fc-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-card-main .fc-link {
            margin-top: 20px;
            color: var(--primary-light);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }

        .featured-card-main:hover .fc-link {
            gap: 10px;
        }

        .featured-card-side {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 24px;
        }

        .featured-card-side .fc-card {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            display: flex;
            align-items: stretch;
            transition: all var(--transition);
            text-decoration: none;
            box-shadow: var(--shadow);
        }

        .featured-card-side .fc-card:hover {
            background: var(--surface-2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .featured-card-side .fc-card .fc-thumb {
            width: 160px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }

        .featured-card-side .fc-card .fc-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .featured-card-side .fc-card:hover .fc-thumb img {
            transform: scale(1.05);
        }

        .featured-card-side .fc-card .fc-c-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card-side .fc-card .fc-c-tag {
            font-size: 11px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 8px;
            background: rgba(232, 163, 61, 0.12);
            padding: 3px 10px;
            border-radius: 999px;
            align-self: flex-start;
        }

        .featured-card-side .fc-card .fc-c-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-card-side .fc-card .fc-c-desc {
            color: var(--text-caption);
            font-size: 13px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ==================== 分类频道 ==================== */
        .channel-section {
            padding: 72px 0;
            background: rgba(20, 30, 38, 0.35);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .channel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .channel-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
            display: block;
            text-decoration: none;
        }

        .channel-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .channel-card:hover {
            background: var(--surface-2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .channel-card:hover::before {
            opacity: 1;
        }

        .channel-card .ch-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(15, 139, 108, 0.15);
            border: 1px solid rgba(15, 139, 108, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 20px;
            margin-bottom: 18px;
        }

        .channel-card .ch-num {
            position: absolute;
            top: 24px;
            right: 24px;
            font-size: 32px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.05);
            line-height: 1;
            z-index: 0;
        }

        .channel-card .ch-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .channel-card .ch-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .channel-card .ch-more {
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .channel-card .ch-more i {
            transition: transform var(--transition);
        }

        .channel-card:hover .ch-more i {
            transform: translateX(4px);
        }

        /* ==================== 推荐排行 ==================== */
        .ranking-section {
            padding: 88px 0;
        }

        .ranking-list {
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px 28px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .ranking-item:hover {
            background: var(--surface-2);
            transform: translateX(4px);
            box-shadow: var(--shadow);
        }

        .ranking-item .rank-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            width: 52px;
            text-align: center;
            flex-shrink: 0;
            font-style: normal;
        }

        .ranking-item .rank-num.top {
            background: rgba(232, 163, 61, 0.2);
            color: var(--accent);
            border-radius: 10px;
            padding: 6px 0;
            font-size: 22px;
        }

        .ranking-item .rank-body {
            flex: 1;
            min-width: 0;
        }

        .ranking-item .rank-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-item .rank-meta {
            font-size: 13px;
            color: var(--text-caption);
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .ranking-item .rank-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .ranking-item .rank-score {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(15, 139, 108, 0.12);
            padding: 4px 14px;
            border-radius: 999px;
            color: var(--primary-light);
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .ranking-item .rank-arrow {
            color: var(--text-caption);
            flex-shrink: 0;
            transition: color var(--transition), transform var(--transition);
        }

        .ranking-item:hover .rank-arrow {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        /* ==================== 推荐片单 ==================== */
        .pick-section {
            padding: 72px 0;
            background: rgba(20, 30, 38, 0.3);
        }

        .pick-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 36px;
        }

        .pick-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            text-decoration: none;
            display: block;
        }

        .pick-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            background: var(--surface-2);
        }

        .pick-card .pc-image {
            height: 140px;
            overflow: hidden;
            position: relative;
        }

        .pick-card .pc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

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

        .pick-card .pc-image .pc-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(232, 163, 61, 0.9);
            color: #111;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
        }

        .pick-card .pc-body {
            padding: 16px;
        }

        .pick-card .pc-cat {
            font-size: 11px;
            color: var(--primary-light);
            font-weight: 600;
            margin-bottom: 6px;
        }

        .pick-card .pc-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .pick-card .pc-desc {
            font-size: 12px;
            color: var(--text-caption);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ==================== FAQ ==================== */
        .faq-section {
            padding: 88px 0;
        }

        .faq-accordion {
            max-width: 840px;
            margin: 44px auto 0;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.open {
            border-color: rgba(15, 139, 108, 0.4);
            box-shadow: var(--shadow);
        }

        .faq-q {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }

        .faq-q:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-q .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(15, 139, 108, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 14px;
            transition: transform var(--transition), background var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(15, 139, 108, 0.3);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding var(--transition);
            padding: 0 24px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        .faq-item.open .faq-a {
            max-height: 500px;
            padding-bottom: 20px;
        }

        /* ==================== CTA ==================== */
        .cta-strip {
            padding: 0 0 88px;
        }

        .cta-box {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-box .cta-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .cta-box .cta-text p {
            color: var(--text-secondary);
            font-size: 14px;
            max-width: 480px;
        }

        .cta-box .cta-action {
            flex-shrink: 0;
        }

        /* ==================== 页脚 ==================== */
        .site-footer {
            background: #080D12;
            border-top: 3px solid var(--primary);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-caption);
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text);
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--primary-light);
            border-radius: 2px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: all var(--transition);
            display: inline-block;
        }

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

        .footer-newsletter p {
            color: var(--text-caption);
            font-size: 13px;
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .footer-newsletter form {
            display: flex;
            gap: 8px;
        }

        .footer-newsletter input {
            flex: 1;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 10px 18px;
            font-size: 13px;
            color: var(--text);
            min-width: 0;
            transition: border-color var(--transition);
        }

        .footer-newsletter input::placeholder {
            color: var(--text-caption);
        }

        .footer-newsletter input:focus {
            border-color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom span {
            font-size: 12px;
            color: var(--text-caption);
        }

        .footer-bottom span a {
            color: var(--text-caption);
            margin-left: 20px;
            font-size: 12px;
        }

        .footer-bottom span a:hover {
            color: var(--primary-light);
        }

        /* ==================== 响应式 ==================== */
        @media (max-width: 1024px) {
            .main-nav .nav-link {
                padding: 8px 10px;
                font-size: 13px;
            }

            .search-box {
                width: 140px;
            }

            .featured-card-main .fc-body {
                padding: 20px;
            }

            .featured-card-main .fc-title {
                font-size: 20px;
            }

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

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

        @media (max-width: 768px) {
            :root {
                --gap-section: 56px;
            }

            .container-wide {
                padding: 0 16px;
            }

            .section-title {
                font-size: 26px;
            }

            .site-header {
                background: rgba(11, 17, 23, 0.95);
            }

            .nav-wrap {
                height: 64px;
            }

            .main-nav,
            .nav-actions .search-box,
            .nav-actions .login-link {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

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

            .page-hero {
                height: 220px;
                margin-top: 64px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

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

            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .featured-card-side .fc-card .fc-thumb {
                width: 120px;
            }

            .channel-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .ranking-item {
                padding: 16px;
                gap: 12px;
                flex-wrap: wrap;
            }

            .ranking-item .rank-num {
                font-size: 24px;
                width: 40px;
            }

            .ranking-item .rank-score {
                font-size: 12px;
                padding: 3px 10px;
            }

            .pick-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-box {
                padding: 28px 24px;
                flex-direction: column;
                text-align: center;
            }

            .cta-box .cta-text p {
                max-width: 100%;
            }

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

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

            .footer-bottom span a {
                margin: 0 10px;
            }

            .faq-section {
                padding: 56px 0;
            }

            .ranking-section {
                padding: 56px 0;
            }

            .channel-section {
                padding: 56px 0;
            }

            .featured-section {
                padding: 45px 0 56px;
            }

            .pick-section {
                padding: 56px 0;
            }
        }

        @media (max-width: 640px) {
            .hero-content h1 {
                font-size: 26px;
            }

            .brand-text {
                font-size: 15px;
                letter-spacing: 0.02em;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .featured-card-main .fc-image {
                height: 200px;
            }

            .featured-card-main .fc-body {
                padding: 18px;
            }

            .featured-card-main .fc-title {
                font-size: 18px;
            }

            .featured-card-side .fc-card {
                flex-direction: column;
            }

            .featured-card-side .fc-card .fc-thumb {
                width: 100%;
                height: 120px;
            }

            .featured-card-side .fc-card .fc-c-body {
                padding: 16px;
            }

            .ranking-item .rank-meta {
                flex-wrap: wrap;
                gap: 6px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0F8B6C;
            --primary-dark: #0A6B53;
            --primary-light: #38B392;
            --accent: #E8A33D;
            --accent-dark: #C9852B;
            --bg: #0B1117;
            --surface: #141E26;
            --surface-2: #1C2933;
            --border: rgba(255, 255, 255, 0.1);
            --text: #F2F6F5;
            --text-secondary: #9DAEB8;
            --text-caption: #687B88;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.45);
            --container: 1240px;
            --space-section: 88px;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        input, button, textarea {
            font-family: inherit;
        }

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

        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            color: var(--text);
            font-weight: 700;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 17, 23, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11, 17, 23, 0.96);
            border-bottom-color: var(--border);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 76px;
        }

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

        .brand-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #fff;
            box-shadow: 0 4px 14px rgba(15, 139, 108, 0.35);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0.05em;
            color: var(--text);
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }

        .nav-link {
            padding: 9px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .nav-link.active {
            color: var(--text);
            background: var(--surface-2);
            box-shadow: inset 0 -2px 0 var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 180px;
            height: 42px;
            background: var(--surface-2);
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            padding: 0 8px 0 16px;
            transition: var(--transition);
        }

        .search-box i {
            color: var(--text-caption);
            font-size: 13px;
        }

        .search-box input {
            width: 100%;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text);
            font-size: 13px;
        }

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

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(232, 163, 61, 0.12);
        }

        .login-link {
            color: var(--text-secondary);
            font-size: 14px;
            padding: 8px 12px;
            border-radius: var(--radius-pill);
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(15, 139, 108, 0.28);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(15, 139, 108, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary .fa-arrow-right {
            font-size: 12px;
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 13px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-pill);
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            border-radius: var(--radius-md);
            background: var(--surface);
        }

        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--text);
            display: block;
            transition: var(--transition);
            position: relative;
        }

        .nav-toggle span::before,
        .nav-toggle span::after {
            content: '';
            position: absolute;
            left: 0;
            width: 20px;
            height: 2px;
            background: var(--text);
            transition: var(--transition);
        }

        .nav-toggle span::before {
            top: -6px;
        }

        .nav-toggle span::after {
            top: 6px;
        }

        .nav-toggle.open span {
            background: transparent;
        }

        .nav-toggle.open span::before {
            top: 0;
            transform: rotate(45deg);
        }

        .nav-toggle.open span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        .mobile-menu {
            position: fixed;
            top: 76px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 17, 23, 0.98);
            z-index: 999;
            display: none;
            padding: 32px 24px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 4px;
            font-size: 20px;
            font-weight: 600;
            border-bottom: 1px solid var(--border);
            color: var(--text);
        }

        .mobile-menu a i {
            color: var(--text-caption);
            font-size: 14px;
        }

        .mobile-menu a.active {
            color: var(--primary-light);
        }

        .mobile-menu .mobile-cta {
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        /* ===== Article Page ===== */
        .article-page {
            padding-top: 76px;
            flex: 1;
        }

        .article-breadcrumb {
            padding: 28px 24px 0;
            font-size: 13px;
            color: var(--text-caption);
            max-width: var(--container);
            margin: 0 auto;
        }

        .article-breadcrumb a {
            color: var(--text-caption);
        }

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

        .article-breadcrumb .sep {
            margin: 0 10px;
            opacity: 0.5;
        }

        .article-breadcrumb .current {
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 280px;
            display: inline-block;
            vertical-align: bottom;
        }

        .article-container {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .article-header {
            padding: 44px 0 30px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 40px;
        }

        .article-header h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin-bottom: 22px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px 26px;
            color: var(--text-caption);
            font-size: 13px;
        }

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

        .article-meta a:hover {
            text-decoration: underline;
        }

        .article-meta i {
            margin-right: 6px;
            color: var(--primary-light);
        }

        .article-body {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
            word-break: break-word;
        }

        .article-body p {
            margin-bottom: 28px;
        }

        .article-body h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin: 48px 0 20px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
        }

        .article-body h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text);
            margin: 36px 0 16px;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 28px 20px;
        }

        .article-body li {
            margin-bottom: 10px;
        }

        .article-body blockquote {
            border-left: 3px solid var(--accent);
            background: var(--surface);
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 32px 0;
            color: var(--text);
        }

        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
        }

        .article-body a:hover {
            color: var(--accent);
        }

        .article-body img {
            border-radius: var(--radius-lg);
            margin: 32px 0;
        }

        .article-body strong {
            color: var(--text);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 32px 0;
            font-size: 14px;
        }

        .article-body th,
        .article-body td {
            padding: 10px 14px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .article-body th {
            background: var(--surface);
            color: var(--text);
            font-weight: 600;
        }

        .article-body code {
            background: var(--surface-2);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 0.9em;
            color: var(--primary-light);
        }

        .article-body pre {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            margin: 32px 0;
        }

        .article-body pre code {
            background: none;
            padding: 0;
            color: var(--text-secondary);
        }

        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 40px 0;
        }

        .article-empty {
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 80px 24px;
            text-align: center;
            color: var(--text-caption);
        }

        .article-empty i {
            font-size: 42px;
            margin-bottom: 16px;
            color: var(--text-caption);
            opacity: 0.6;
        }

        .article-empty p {
            margin-bottom: 22px;
            font-size: 16px;
        }

        .article-footer {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            transition: var(--transition);
        }

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

        .article-prev-next {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .prev-card,
        .next-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: var(--transition);
            position: relative;
            min-height: 96px;
        }

        .prev-card:hover,
        .next-card:hover {
            background: var(--surface-2);
            border-color: var(--primary-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .prev-card .dir,
        .next-card .dir {
            font-size: 12px;
            color: var(--text-caption);
            letter-spacing: 0.1em;
        }

        .prev-card .title,
        .next-card .title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }

        .prev-card i,
        .next-card i {
            position: absolute;
            top: 20px;
            color: var(--primary-light);
            font-size: 14px;
        }

        .prev-card i {
            left: 24px;
        }

        .next-card i {
            right: 24px;
        }

        .next-card {
            text-align: right;
            align-items: flex-end;
        }

        .prev-card .title {
            padding-left: 20px;
        }

        .next-card .title {
            padding-right: 20px;
        }

        .article-related {
            padding: 88px 24px 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .section-sub {
            color: var(--text-caption);
            font-size: 14px;
            margin-top: 8px;
        }

        .section-link {
            color: var(--text-secondary);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .article-related-grid {
            margin-top: 16px;
        }

        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: block;
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }

        .related-card .card-img {
            height: 150px;
            overflow: hidden;
        }

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

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

        .related-card .card-body {
            padding: 16px 18px 18px;
        }

        .related-card .card-tag {
            font-size: 12px;
            color: var(--accent);
            margin-bottom: 8px;
            display: inline-block;
            letter-spacing: 0.05em;
        }

        .related-card .card-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-back {
            padding: 56px 24px 88px;
            text-align: center;
        }

        /* ===== Foundation Grid Override ===== */
        .grid-x {
            display: flex;
            flex-flow: row wrap;
            margin-left: -8px;
            margin-right: -8px;
        }

        .grid-x > .cell {
            padding-left: 8px;
            padding-right: 8px;
            margin-bottom: 16px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #080D12;
            border-top: 3px solid var(--primary);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding: 64px 0 48px;
        }

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

        .footer-brand p {
            color: var(--text-caption);
            font-size: 14px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
        }

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

        .footer-col a {
            color: var(--text-caption);
            font-size: 14px;
        }

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

        .footer-newsletter p {
            color: var(--text-caption);
            font-size: 13px;
            margin-bottom: 16px;
        }

        .footer-newsletter form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-newsletter input {
            flex: 1 1 160px;
            min-width: 0;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 10px 14px;
            color: var(--text);
            font-size: 13px;
            outline: none;
            transition: var(--transition);
        }

        .footer-newsletter input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(232, 163, 61, 0.1);
        }

        .footer-newsletter button {
            padding: 10px 18px;
            font-size: 13px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0 32px;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-caption);
        }

        .footer-bottom a {
            color: var(--text-caption);
            margin-left: 18px;
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }

            .nav-link {
                padding: 8px 12px;
                font-size: 13px;
            }

            .search-box {
                width: 140px;
            }

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }

            .footer-newsletter {
                grid-column: span 3;
            }
        }

        @media (max-width: 768px) {
            .main-nav,
            .search-box,
            .login-link,
            .btn-sm {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-wrap {
                justify-content: space-between;
                gap: 12px;
            }

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

            .footer-newsletter {
                grid-column: span 2;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }

            .footer-bottom a {
                margin-left: 0;
                margin-right: 18px;
            }
        }

        @media (max-width: 640px) {
            .container-wide {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-wrap {
                height: 64px;
            }

            .brand-text {
                font-size: 16px;
            }

            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }

            .mobile-menu {
                top: 64px;
                padding: 24px 16px;
            }

            .article-page {
                padding-top: 64px;
            }

            .article-breadcrumb {
                padding: 18px 16px 0;
            }

            .article-breadcrumb .current {
                max-width: 160px;
            }

            .article-container {
                padding: 0 16px;
            }

            .article-header {
                padding: 32px 0 24px;
            }

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

            .article-meta {
                gap: 10px 18px;
            }

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

            .article-body h2 {
                font-size: 24px;
            }

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

            .article-prev-next {
                grid-template-columns: 1fr;
            }

            .article-related {
                padding: 56px 16px 0;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .section-title {
                font-size: 26px;
            }

            .article-back {
                padding: 40px 16px 64px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                padding: 48px 0 32px;
            }

            .footer-newsletter {
                grid-column: span 1;
            }
        }

/* roulang page: category3 */
:root{
  --primary:#0F8B6C;
  --primary-dark:#0A6B53;
  --primary-light:#38B392;
  --accent:#E8A33D;
  --accent-dark:#C9852B;
  --bg:#0B1117;
  --surface:#141E26;
  --surface-2:#1C2933;
  --border:rgba(255,255,255,0.1);
  --text:#F2F6F5;
  --text-secondary:#9DAEB8;
  --text-caption:#687B88;
  --radius-card:16px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,0.35);
  --shadow-hover:0 18px 44px rgba(0,0,0,0.45);
  --transition:all .25s ease;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;line-height:1.7;background:var(--bg);color:var(--text);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary-light);text-decoration:none;transition:var(--transition);}
a:hover{color:var(--primary-light);}
h1,h2,h3,h4{line-height:1.3;color:var(--text);}
ul{list-style:none;}
input,button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container-wide{max-width:1240px;margin:0 auto;padding:0 24px;}
.row{max-width:100%;margin:0 -12px;}
.row .column,.row .columns{padding:0 12px;margin-bottom:24px;}
.row:last-child .column:last-child{margin-bottom:0;}
.section-head{margin-bottom:40px;max-width:720px;}
.section-head .section-kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--accent);background:rgba(232,163,61,.12);border:1px solid rgba(232,163,61,.25);border-radius:var(--radius-pill);padding:5px 14px;margin-bottom:14px;}
.section-head h2{font-size:36px;font-weight:700;letter-spacing:.02em;}
.section-head p{font-size:16px;color:var(--text-secondary);margin-top:10px;}
@media(max-width:640px){
  .section-head h2{font-size:27px;}
}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(11,17,23,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:var(--transition);
}
.site-header.scrolled{
  background:rgba(11,17,23,.96);
  border-bottom-color:var(--border);
  box-shadow:0 6px 30px rgba(0,0,0,.35);
}
.nav-wrap{display:flex;align-items:center;height:72px;gap:28px;flex-wrap:nowrap;}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-icon{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  display:grid;place-items:center;color:#fff;font-size:17px;
  box-shadow:0 6px 18px rgba(15,139,108,.35);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.05em;color:var(--text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;margin:0 auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  color:var(--text-secondary);font-size:15px;font-weight:500;
  padding:10px 14px;border-radius:10px;white-space:nowrap;
  transition:color .25s,background .25s;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{
  content:'';position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.search-box{
  display:flex;align-items:center;gap:8px;background:var(--surface-2);
  border:1px solid transparent;border-radius:var(--radius-pill);
  padding:8px 14px;width:180px;transition:border .25s,width .3s;
}
.search-box i{color:var(--text-caption);font-size:13px;}
.search-box input{background:transparent;border:none;outline:none;color:var(--text);font-size:14px;width:100%;}
.search-box ::placeholder{color:var(--text-caption);}
.search-box:focus-within{border-color:var(--accent);}
.login-link{color:var(--text-secondary);font-size:14px;font-weight:500;white-space:nowrap;}
.login-link:hover{color:var(--text);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--primary);color:#fff;border:none;border-radius:var(--radius-pill);
  padding:12px 22px;font-size:15px;font-weight:600;cursor:pointer;
  text-decoration:none;transition:background .25s,transform .25s,box-shadow .25s;
  white-space:nowrap;
}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 28px rgba(15,139,108,.4);}
.btn-primary:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;background:none;border:none;cursor:pointer;
  position:relative;flex-shrink:0;
}
.nav-toggle span{
  display:block;width:24px;height:2px;background:var(--text);position:relative;
  transition:background .3s;margin:0 auto;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;width:24px;height:2px;background:var(--text);
  transition:transform .3s,top .3s;
}
.nav-toggle span::before{top:-8px;}
.nav-toggle span::after{top:8px;}
.site-header.nav-open .nav-toggle span{background:transparent;}
.site-header.nav-open .nav-toggle span::before{transform:rotate(45deg);top:0;}
.site-header.nav-open .nav-toggle span::after{transform:rotate(-45deg);top:0;}
@media(max-width:1024px){
  .nav-wrap{height:auto;min-height:72px;flex-wrap:wrap;padding:12px 0;}
  .brand-logo{margin-right:auto;}
  .nav-toggle{display:block;}
  .main-nav,.nav-actions{display:none;width:100%;order:3;}
  .site-header.nav-open .main-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    padding:12px 0 4px;
  }
  .site-header.nav-open .nav-actions{
    display:flex;flex-direction:column;align-items:stretch;gap:12px;
    padding:8px 0 16px;order:4;
  }
  .site-header.nav-open .nav-link{
    padding:14px 8px;font-size:16px;border-radius:12px;
  }
  .site-header.nav-open .nav-link.active{background:rgba(15,139,108,.12);}
  .site-header.nav-open .nav-link.active::after{display:none;}
  .site-header.nav-open .search-box{width:100%;}
  .site-header.nav-open .login-link,.site-header.nav-open .btn-primary{
    justify-content:center;text-align:center;
  }
}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;min-height:280px;display:flex;align-items:center;justify-content:center;
  text-align:center;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:150px 0 90px;overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,17,23,.88) 0%,rgba(11,17,23,.62) 50%,rgba(11,17,23,.92) 100%);
}
.page-hero .container-wide{position:relative;z-index:2;}
.hero-tag{
  display:inline-block;background:rgba(232,163,61,.14);color:var(--accent);
  border:1px solid rgba(232,163,61,.3);border-radius:var(--radius-pill);
  padding:6px 18px;font-size:13px;font-weight:600;letter-spacing:.08em;margin-bottom:20px;
}
.page-hero h1{
  font-size:52px;font-weight:800;letter-spacing:.02em;color:var(--text);
  text-shadow:0 4px 24px rgba(0,0,0,.6);margin-bottom:14px;
}
.page-hero .hero-sub{
  font-size:18px;color:var(--text-secondary);max-width:640px;margin:0 auto;
  line-height:1.7;
}
@media(max-width:640px){
  .page-hero{min-height:240px;padding:130px 0 64px;}
  .page-hero h1{font-size:34px;}
  .page-hero .hero-sub{font-size:16px;padding:0 8px;}
}

/* ===== Stats ===== */
.stats-section{padding:56px 0 16px;}
.stat-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px 20px;text-align:center;height:100%;
  transition:var(--transition);
}
.stat-item:hover{background:var(--surface-2);transform:translateY(-3px);box-shadow:var(--shadow-card);}
.stat-item i{font-size:28px;color:var(--accent);margin-bottom:14px;}
.stat-num{font-size:32px;font-weight:800;color:var(--text);letter-spacing:.02em;}
.stat-label{font-size:13px;color:var(--text-secondary);margin-top:6px;}
@media(max-width:640px){
  .stats-section{padding:40px 0 8px;}
  .stat-item{padding:20px 12px;}
  .stat-num{font-size:26px;}
  .stat-label{font-size:12px;}
}

/* ===== Info Grid Cards ===== */
.info-grid-section{padding:56px 0 16px;}
.card-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;height:100%;display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease;
}
.card-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);background:var(--surface-2);}
.card-feature{
  flex-direction:row;gap:0;padding:0;overflow:hidden;
}
.card-feature .card-cover{
  width:42%;flex-shrink:0;min-height:260px;overflow:hidden;position:relative;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
}
.card-feature .card-cover img{
  width:100%;height:100%;object-fit:cover;position:absolute;inset:0;
  transition:transform .5s ease;
}
.card-feature:hover .card-cover img{transform:scale(1.05);}
.card-feature .card-body{
  flex:1;padding:32px;display:flex;flex-direction:column;justify-content:center;
}
.card-icon{
  width:52px;height:52px;border-radius:14px;
  background:rgba(15,139,108,.14);color:var(--primary-light);
  display:grid;place-items:center;font-size:22px;margin-bottom:18px;
  transition:var(--transition);
}
.card-item:hover .card-icon{background:rgba(15,139,108,.26);}
.card-item h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.card-item p{font-size:15px;color:var(--text-secondary);line-height:1.65;margin-bottom:18px;flex-grow:1;}
.card-tag{
  display:inline-block;align-self:flex-start;
  background:rgba(232,163,61,.14);color:var(--accent);
  border-radius:var(--radius-pill);padding:4px 12px;
  font-size:12px;font-weight:600;letter-spacing:.05em;margin-bottom:14px;
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  color:var(--primary-light);
}
.text-link i{transition:transform .25s;}
.text-link:hover{color:var(--accent);}
.text-link:hover i{transform:translateX(4px);}
@media(max-width:640px){
  .info-grid-section{padding:40px 0 8px;}
  .card-item{padding:22px;}
  .card-feature{flex-direction:column;}
  .card-feature .card-cover{width:100%;min-height:200px;position:relative;}
  .card-feature .card-body{padding:24px;}
}

/* ===== Process ===== */
.process-section{padding:56px 0 16px;position:relative;}
.process-section::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:2px;height:80px;background:linear-gradient(180deg,transparent,var(--primary));
  opacity:.4;
}
.process-step{
  text-align:center;padding:32px 18px;background:transparent;border-radius:var(--radius-card);
  transition:var(--transition);height:100%;
}
.process-step:hover{background:var(--surface);box-shadow:var(--shadow-card);}
.step-num{
  display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;
  background:var(--surface-2);color:var(--primary-light);font-size:17px;font-weight:700;
  border:1px solid rgba(15,139,108,.25);margin-bottom:16px;
  transition:var(--transition);
}
.process-step:hover .step-num{background:var(--primary);color:#fff;transform:scale(1.06);}
.process-step h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.process-step p{font-size:14px;color:var(--text-secondary);line-height:1.6;}
@media(max-width:640px){
  .process-section{padding:40px 0 8px;}
  .process-step{padding:24px 12px;}
}

/* ===== FAQ ===== */
.faq-section{padding:56px 0 16px;}
.faq-list{max-width:840px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  margin-bottom:14px;overflow:hidden;transition:var(--transition);
}
.faq-item:hover{border-color:rgba(15,139,108,.3);}
.faq-question{
  width:100%;background:none;border:none;padding:22px 28px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-size:15px;font-weight:600;color:var(--text);cursor:pointer;
  text-align:left;transition:background .25s;
}
.faq-question:hover{background:var(--surface-2);}
.faq-question i{color:var(--primary-light);font-size:18px;transition:transform .3s;flex-shrink:0;}
.faq-item.active .faq-question i{transform:rotate(45deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 28px;}
.faq-item.active .faq-answer{max-height:500px;padding:0 28px 24px;}
.faq-answer p{font-size:14px;color:var(--text-secondary);line-height:1.8;}
@media(max-width:640px){
  .faq-section{padding:40px 0 8px;}
  .faq-question{padding:18px 20px;font-size:14px;}
  .faq-item.active .faq-answer{padding:0 20px 20px;}
}

/* ===== CTA Strip ===== */
.cta-strip{padding:56px 0 64px;}
.cta-panel{
  background:var(--surface);border:1px solid var(--border);border-radius:24px;
  padding:44px;display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:28px;position:relative;overflow:hidden;
  transition:var(--transition);
}
.cta-panel::before{
  content:'';position:absolute;top:-50px;right:-50px;width:180px;height:180px;
  background:radial-gradient(circle,rgba(232,163,61,.1),transparent 70%);
  border-radius:50%;
}
.cta-panel .cta-content{position:relative;z-index:1;}
.cta-panel h2{font-size:26px;font-weight:700;margin-bottom:6px;}
.cta-panel p{font-size:14px;color:var(--text-secondary);}
.btn-accent{
  background:var(--accent);color:#24241d;border:none;border-radius:var(--radius-pill);
  padding:15px 32px;font-size:15px;font-weight:700;cursor:pointer;text-decoration:none;
  transition:background .25s,transform .25s,box-shadow .25s;white-space:nowrap;
  box-shadow:0 8px 24px rgba(232,163,61,.25);
}
.btn-accent:hover{background:var(--accent-dark);color:#131313;transform:translateY(-2px);box-shadow:0 12px 30px rgba(201,133,43,.35);}
.btn-accent:active{transform:translateY(0);}
@media(max-width:640px){
  .cta-strip{padding:40px 0 48px;}
  .cta-panel{padding:32px 24px;}
  .cta-panel h2{font-size:24px;}
  .btn-accent{width:100%;}
}

/* ===== Footer ===== */
.site-footer{
  background:#080D12;border-top:3px solid var(--primary);
  padding:64px 0 0;margin-top:40px;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand-logo{display:inline-flex;margin-bottom:16px;}
.footer-brand p{color:var(--text-caption);font-size:14px;line-height:1.7;max-width:300px;}
.footer-col h4{
  font-size:15px;font-weight:600;color:var(--text);margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;
  background:var(--primary);border-radius:2px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:var(--text-secondary);font-size:14px;transition:color .25s,padding-left .25s;}
.footer-col a:hover{color:var(--primary-light);padding-left:4px;}
.footer-newsletter p{font-size:13px;color:var(--text-caption);margin-bottom:14px;line-height:1.6;}
.footer-newsletter form{display:flex;gap:8px;}
.footer-newsletter input{
  flex:1;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:10px 16px;color:var(--text);
  font-size:14px;outline:none;transition:border .25s;
}
.footer-newsletter input::placeholder{color:var(--text-caption);}
.footer-newsletter input:focus{border-color:var(--accent);}
.footer-newsletter .btn-primary{padding:10px 18px;font-size:14px;}
.footer-bottom{
  border-top:1px solid var(--border);padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;
  font-size:12px;color:var(--text-caption);flex-wrap:wrap;gap:8px;
}
.footer-bottom a{color:var(--text-caption);text-decoration:none;margin-left:14px;font-size:12px;}
.footer-bottom a:hover{color:var(--text);}
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:640px){
  .site-footer{padding:48px 0 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;text-align:center;padding:18px 0;}
  .footer-bottom span:last-child{margin-top:6px;}
}