/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --primary-dark: #0b1120;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --secondary: #38bdf8;
            --bg-light: #f8fafc;
            --bg-dark: #0f172a;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --card-bg: #ffffff;
            --radius: 18px;
            --radius-sm: 10px;
            --shadow: 0 10px 35px rgba(2, 12, 27, .07);
            --shadow-lg: 0 24px 60px rgba(2, 12, 27, .14);
            --transition: all .35s cubic-bezier(.4, 0, .2, 1);
            --font-scale: 1.0;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.7;
            font-size: calc(16px * var(--font-scale));
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
        }

        /* ===== 顶部信息条 ===== */
        .topbar {
            background: var(--primary-dark);
            color: var(--text-light);
            font-size: .85rem;
            padding: .35rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .topbar a {
            color: var(--text-light);
            font-weight: 500;
        }

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

        .topbar-left .topbar-domain {
            color: var(--accent);
            font-weight: 600;
            letter-spacing: .3px;
        }

        .topbar-right i {
            font-size: .8rem;
            margin-right: 4px;
        }

        .topbar-divider {
            margin: 0 .6rem;
            opacity: .3;
        }

        /* ===== 主导航 ===== */
        .main-header {
            background: var(--card-bg);
            box-shadow: 0 4px 20px rgba(2, 12, 27, .05);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: .8rem 0;
            transition: var(--transition);
        }

        .main-header.scrolled {
            box-shadow: 0 8px 30px rgba(2, 12, 27, .09);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary) !important;
            letter-spacing: -.5px;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent), #f97316);
            color: #fff;
            border-radius: 14px;
            font-size: .8rem;
            font-weight: 800;
            letter-spacing: .5px;
            box-shadow: 0 8px 20px rgba(245, 158, 11, .3);
        }

        .brand-text {
            line-height: 1.2;
        }

        .navbar-custom {
            background: transparent !important;
            padding: 0;
        }

        .navbar-custom .nav-link {
            font-weight: 500;
            color: var(--text-main) !important;
            padding: .55rem 1.1rem !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
            font-size: 1rem;
        }

        .navbar-custom .nav-link::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
            transition: var(--transition);
        }

        .navbar-custom .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(245, 158, 11, .08);
        }

        .navbar-custom .nav-link:hover::after,
        .navbar-custom .nav-link.active::after {
            width: 60%;
        }

        .navbar-custom .nav-link.active {
            color: var(--accent) !important;
            font-weight: 600;
        }

        .navbar-custom .btn-accent {
            border-radius: 10px;
            font-weight: 600;
            font-size: .95rem;
            padding: .6rem 1.4rem;
        }

        .navbar-toggler-custom {
            border: none;
            background: var(--bg-light);
            border-radius: 10px;
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: rgba(245, 158, 11, .15);
            color: var(--accent);
        }

        /* ===== 按钮 ===== */
        .btn-accent {
            background: var(--accent);
            color: #fff !important;
            border: none;
            padding: .75rem 1.8rem;
            border-radius: 12px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(245, 158, 11, .25);
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(245, 158, 11, .35);
        }

        .btn-outline-light-custom {
            border: 2px solid rgba(255, 255, 255, .6);
            color: #fff;
            background: transparent;
            padding: .7rem 1.8rem;
            border-radius: 12px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: .7rem 1.6rem;
            border-radius: 12px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }

        .btn-primary-custom:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(15, 23, 42, .25);
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            padding: 108px 0 100px;
            background: linear-gradient(140deg, rgba(11, 17, 32, .88) 0%, rgba(15, 23, 42, .70) 55%, rgba(30, 41, 59, .35) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(245, 158, 11, .18) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(245, 158, 11, .15);
            border: 1px solid rgba(245, 158, 11, .35);
            color: var(--accent);
            font-size: .85rem;
            font-weight: 600;
            padding: .4rem 1rem;
            border-radius: 30px;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(4px);
        }

        .hero-title {
            font-size: clamp(2.4rem, 5vw, 4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #fff 30%, #fbbf24 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, .82);
            max-width: 620px;
            margin-bottom: 2.2rem;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2.5rem;
        }

        .hero-meta {
            display: flex;
            gap: 1.8rem;
            flex-wrap: wrap;
            font-size: .9rem;
            color: rgba(255, 255, 255, .6);
        }

        .hero-meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        .hero-card-side {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 20px;
            padding: 1.5rem;
            backdrop-filter: blur(12px);
            color: #fff;
        }

        .hero-card-side .side-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: .5rem;
        }

        .hero-card-side .side-item {
            padding: .7rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            font-size: .95rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: .6rem;
            transition: var(--transition);
        }

        .hero-card-side .side-item:hover {
            color: var(--accent);
        }

        .hero-card-side .side-item:last-child {
            border-bottom: none;
        }

        .side-index {
            color: var(--accent);
            font-weight: 700;
            margin-right: .6rem;
            opacity: .8;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-eyebrow {
            display: inline-block;
            background: rgba(245, 158, 11, .1);
            color: var(--accent-hover);
            font-size: .8rem;
            font-weight: 600;
            padding: .3rem 1rem;
            border-radius: 30px;
            margin-bottom: .8rem;
            letter-spacing: .5px;
            border: 1px solid rgba(245, 158, 11, .2);
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: .5rem;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 650px;
        }

        /* ===== 核心说明卡片 ===== */
        .intro-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 2rem 1.6rem;
            height: 100%;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .intro-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(245, 158, 11, .3);
        }

        .intro-card::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(245, 158, 11, .06);
            transition: var(--transition);
        }

        .intro-card:hover::before {
            transform: scale(2);
        }

        .intro-icon {
            width: 58px;
            height: 58px;
            border-radius: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            background: rgba(245, 158, 11, .12);
            color: var(--accent-hover);
        }

        .intro-card:nth-child(2) .intro-icon {
            background: rgba(56, 189, 248, .12);
            color: var(--secondary);
        }

        .intro-card:nth-child(3) .intro-icon {
            background: rgba(16, 185, 129, .12);
            color: #10b981;
        }

        .intro-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: .6rem;
            color: var(--primary);
        }

        .intro-card p {
            color: var(--text-muted);
            font-size: .95rem;
            margin-bottom: 0;
        }

        /* ===== 分类入口 ===== */
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            height: 320px;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
        }

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

        .category-card .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(15, 23, 42, .6) 0%, rgba(15, 23, 42, .15) 60%);
            z-index: 1;
            transition: var(--transition);
        }

        .category-card:hover .cat-overlay {
            background: linear-gradient(160deg, rgba(15, 23, 42, .45) 0%, rgba(15, 23, 42, .1) 70%);
        }

        .category-card .cat-content {
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 20px;
            z-index: 2;
            color: #fff;
        }

        .category-card .cat-tag {
            display: inline-block;
            background: rgba(245, 158, 11, .25);
            border: 1px solid rgba(245, 158, 11, .4);
            color: #fcd34d;
            font-size: .75rem;
            font-weight: 600;
            padding: .2rem .8rem;
            border-radius: 30px;
            margin-bottom: .8rem;
            letter-spacing: .5px;
        }

        .category-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: .4rem;
        }

        .category-card p {
            font-size: .9rem;
            opacity: .85;
            margin-bottom: .8rem;
        }

        .category-card .cat-link {
            font-size: .85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: .3rem;
            color: var(--accent);
        }

        .category-card .cat-link i {
            transition: var(--transition);
        }

        .category-card:hover .cat-link i {
            transform: translateX(4px);
        }

        /* ===== 统计 ===== */
        .stats-section {
            background: var(--primary);
            background-image: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: 60px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            top: -50%;
            left: 30%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, .12) 0%, transparent 70%);
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem .5rem;
        }

        .stat-number {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .stat-label {
            color: rgba(255, 255, 255, .65);
            font-size: .95rem;
            margin-top: .4rem;
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            padding: 80px 0;
            background: var(--bg-light);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.2rem 1.5rem;
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(2, 12, 27, .04);
        }

        .news-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow);
            border-color: rgba(245, 158, 11, .25);
        }

        .news-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--border);
            min-width: 45px;
            text-align: center;
            font-style: italic;
            transition: var(--transition);
        }

        .news-item:hover .news-number {
            color: var(--accent);
        }

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

        .news-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: .2rem;
            flex-wrap: wrap;
        }

        .news-cat {
            background: rgba(245, 158, 11, .1);
            color: var(--accent-hover);
            font-size: .75rem;
            font-weight: 600;
            padding: .15rem .7rem;
            border-radius: 20px;
            border: 1px solid rgba(245, 158, 11, .2);
        }

        .news-time {
            color: var(--text-light);
            font-size: .8rem;
        }

        .news-title {
            font-size: 1.05rem;
            font-weight: 600;
            margin: .3rem 0 .2rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

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

        .news-title a:hover {
            color: var(--accent);
        }

        .news-desc {
            color: var(--text-muted);
            font-size: .88rem;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            color: var(--text-light);
            font-size: .85rem;
            white-space: nowrap;
            font-weight: 500;
        }

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

        .empty-tip {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }

        /* 侧边栏 */
        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 1.5rem;
        }

        .sidebar-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: .7rem;
            border-bottom: 2px solid var(--border);
            display: flex;
            align-items: center;
            gap: .6rem;
        }

        .sidebar-title i {
            color: var(--accent);
        }

        .hot-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: .6rem;
        }

        .hot-list li {
            padding: .7rem 0 .7rem 2rem;
            border-bottom: 1px solid var(--border);
            position: relative;
            font-size: .92rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .hot-list li::before {
            content: attr(data-index);
            position: absolute;
            left: 0;
            top: .6rem;
            font-weight: 800;
            font-size: 1rem;
            color: var(--text-light);
            font-style: italic;
        }

        .hot-list li:nth-child(-n+3)::before {
            color: var(--accent);
        }

        .hot-list li:hover {
            color: var(--accent);
            padding-left: 2.4rem;
        }

        .hot-list li:last-child {
            border-bottom: none;
        }

        .activity-card {
            position: relative;
            border-radius: 14px;
            overflow: hidden;
            padding: 1.5rem;
            background: linear-gradient(140deg, var(--primary), var(--primary-light));
            color: #fff;
            margin-top: 1rem;
        }

        .activity-card .act-label {
            font-size: .75rem;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: .5rem;
        }

        .activity-card h4 {
            font-size: 1.2rem;
            margin-bottom: .3rem;
        }

        .activity-card p {
            font-size: .85rem;
            opacity: .8;
            margin-bottom: 1rem;
        }

        /* ===== 特色网格 ===== */
        .features-section {
            background: #fff;
            padding: 80px 0;
        }

        .feature-card {
            text-align: center;
            padding: 2.2rem 1.5rem;
            border-radius: var(--radius);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .feature-card:hover {
            background: var(--bg-light);
            border-color: var(--border);
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            margin: 0 auto 1.2rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            background: var(--bg-light);
            color: var(--accent);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: .5rem;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: .9rem;
            margin: 0;
        }

        .feature-card:nth-child(2) .feature-icon {
            color: var(--secondary);
        }
        .feature-card:nth-child(2):hover .feature-icon {
            background: var(--secondary);
            color: #fff;
        }
        .feature-card:nth-child(3) .feature-icon {
            color: #10b981;
        }
        .feature-card:nth-child(3):hover .feature-icon {
            background: #10b981;
            color: #fff;
        }
        .feature-card:nth-child(4) .feature-icon {
            color: #8b5cf6;
        }
        .feature-card:nth-child(4):hover .feature-icon {
            background: #8b5cf6;
            color: #fff;
        }
        .feature-card:nth-child(5) .feature-icon {
            color: #ec4899;
        }
        .feature-card:nth-child(5):hover .feature-icon {
            background: #ec4899;
            color: #fff;
        }
        .feature-card:nth-child(6) .feature-icon {
            color: #f97316;
        }
        .feature-card:nth-child(6):hover .feature-icon {
            background: #f97316;
            color: #fff;
        }

        /* ===== 图文展示 ===== */
        .feature-showcase {
            background: var(--bg-light);
            padding: 80px 0;
        }

        .showcase-img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            position: relative;
        }

        .showcase-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .showcase-content {
            padding: 1rem 0;
        }

        .showcase-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .showcase-content p {
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

        .showcase-list {
            list-style: none;
            padding: 0;
            margin: 1.5rem 0;
            display: flex;
            flex-direction: column;
            gap: .8rem;
        }

        .showcase-list li {
            display: flex;
            align-items: flex-start;
            gap: .7rem;
            font-size: .95rem;
        }

        .showcase-list li i {
            color: var(--accent);
            margin-top: .3rem;
            font-size: 1rem;
            flex-shrink: 0;
        }

        /* ===== 步骤流程 ===== */
        .process-section {
            background: #fff;
            padding: 80px 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 0 1rem;
        }

        .process-num {
            font-size: 3.5rem;
            font-weight: 800;
            color: rgba(245, 158, 11, .15);
            line-height: 1;
            margin-bottom: .3rem;
        }

        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: .5rem;
            color: var(--primary);
        }

        .process-step p {
            color: var(--text-muted);
            font-size: .9rem;
            margin: 0;
        }

        .process-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.5rem;
            opacity: .4;
            padding-top: 2rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
            padding: 80px 0;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 1rem;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(2, 12, 27, .04);
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(245, 158, 11, .25);
            box-shadow: var(--shadow);
        }

        .faq-item summary {
            cursor: pointer;
            padding: 1.3rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--accent);
        }

        .faq-item summary .faq-icon {
            color: var(--accent);
            transition: var(--transition);
            font-size: .9rem;
            flex-shrink: 0;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.3rem;
            color: var(--text-muted);
            font-size: .95rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            background-image: linear-gradient(135deg, #0b1120, #1e293b);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, .2) 0%, transparent 70%);
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            margin-bottom: .8rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .75);
            font-size: 1.05rem;
            margin-bottom: 2rem;
            max-width: 600px;
        }

        .cta-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: var(--text-light);
            padding: 60px 0 0;
            font-size: .92rem;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
        }

        .site-footer .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: .6rem;
            margin-bottom: .8rem;
        }

        .site-footer .footer-desc {
            color: var(--text-light);
            font-size: .9rem;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: .5rem;
        }

        .footer-links li a {
            color: var(--text-light);
            transition: var(--transition);
        }

        .footer-links li a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: .6rem;
        }

        .footer-contact li i {
            margin-right: .6rem;
            color: var(--accent);
            width: 18px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 1.5rem 0;
            margin-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: .8rem;
            font-size: .85rem;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .section {
                padding: 65px 0;
            }
        }

        @media (max-width: 991.98px) {
            .hero {
                padding: 80px 0;
            }

            .hero-card-side {
                margin-top: 2rem;
            }

            .navbar-custom .nav-link {
                padding: .55rem .8rem !important;
                font-size: .9rem;
            }

            .process-connector {
                display: none;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 55px 0;
            }

            .topbar {
                font-size: .78rem;
            }

            .hero-actions .btn {
                width: 48%;
                justify-content: center;
            }

            .news-item {
                flex-wrap: wrap;
                padding: 1rem;
            }

            .news-number {
                font-size: 1.4rem;
                min-width: 35px;
            }

            .news-link {
                display: none;
            }

            .stat-item {
                padding: .8rem .5rem;
            }
        }

        @media (max-width: 575.98px) {
            .hero {
                padding: 60px 0;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-actions {
                flex-direction: column;
            }

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

            .brand-text {
                font-size: 1.1rem;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: .7rem;
            }

            .category-card {
                height: 240px;
            }

            .news-desc {
                -webkit-line-clamp: 1;
            }

            .news-meta {
                gap: .5rem;
            }

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

        @media (max-width: 380px) {
            .brand-text {
                font-size: .95rem;
            }

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

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #7c5cfc;
            --primary-dark: #5b3df0;
            --primary-light: #efeaff;
            --accent: #ff6b9d;
            --accent-dark: #e84c7a;
            --dark: #0d0c16;
            --dark-2: #171526;
            --dark-card: #1e1c31;
            --bg: #f5f4fa;
            --bg-white: #ffffff;
            --text: #2a2940;
            --muted: #76738a;
            --border: #e6e4f0;
            --radius: 18px;
            --radius-sm: 12px;
            --radius-xs: 8px;
            --shadow: 0 10px 36px rgba(124, 92, 252, .10);
            --shadow-hover: 0 16px 48px rgba(124, 92, 252, .18);
            --shadow-dark: 0 12px 40px rgba(0, 0, 0, .3);
            --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all .3s ease;
        }

        /* ========== 基础 Reset ========== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button {
            border: none;
            outline: none;
            cursor: pointer;
            font-family: inherit;
            background: transparent;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .container {
            max-width: 1200px;
        }

        /* ========== 通用组件 ========== */
        .section-padding {
            padding: 84px 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: .5px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -.5px;
            margin: 14px 0 10px;
            line-height: 1.3;
        }
        .section-sub {
            color: var(--muted);
            font-size: 1rem;
            max-width: 560px;
            line-height: 1.75;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* ========== 导航 Header ========== */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(13, 12, 22, .94);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            padding: 14px 0;
            transition: var(--transition);
        }
        .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: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 12px;
            color: #fff;
            font-size: .75rem;
            font-weight: 800;
            letter-spacing: 1px;
            box-shadow: 0 6px 18px rgba(124, 92, 252, .4);
        }
        .brand-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .navbar-custom {
            padding: 0;
        }
        .navbar-custom .navbar-nav {
            gap: 4px;
        }
        .navbar-custom .nav-link {
            color: rgba(255, 255, 255, .75);
            font-weight: 500;
            font-size: .95rem;
            padding: 10px 18px !important;
            border-radius: 10px;
            transition: var(--transition);
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .navbar-custom .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            box-shadow: 0 4px 16px rgba(124, 92, 252, .35);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            color: #fff;
            font-weight: 600;
            border: none;
            border-radius: 12px;
            padding: 10px 22px;
            font-size: .9rem;
            box-shadow: 0 6px 20px rgba(255, 107, 157, .3);
            transition: var(--transition);
        }
        .btn-accent:hover,
        .btn-accent:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(124, 92, 252, .45);
        }
        .navbar-toggler-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 10px;
            color: #fff;
            font-size: 1.1rem;
            background: rgba(255, 255, 255, .06);
        }

        /* ========== 分类页 Banner ========== */
        .page-banner {
            position: relative;
            padding: 120px 0 100px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            isolation: isolate;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 12, 22, .94) 0%, rgba(29, 24, 53, .88) 50%, rgba(124, 92, 252, .70) 100%);
            z-index: -1;
        }
        .page-banner::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 120px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 0;
            pointer-events: none;
        }
        .banner-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }
        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 6px 18px;
            border-radius: 50px;
            color: #fff;
            font-size: .85rem;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
        }
        .banner-title {
            color: #fff;
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 18px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, .35);
        }
        .banner-desc {
            color: rgba(255, 255, 255, .85);
            font-size: 1.05rem;
            line-height: 1.8;
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .banner-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-light-solid {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--text);
            font-weight: 600;
            border-radius: 12px;
            padding: 12px 28px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
            transition: var(--transition);
        }
        .btn-light-solid:hover,
        .btn-light-solid:focus {
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, .28);
        }
        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid rgba(255, 255, 255, .7);
            color: #fff;
            font-weight: 600;
            border-radius: 12px;
            padding: 12px 28px;
            transition: var(--transition);
            background: rgba(255, 255, 255, .06);
            backdrop-filter: blur(6px);
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .15);
            color: #fff;
            transform: translateY(-2px);
        }
        .banner-meta-strip {
            display: flex;
            justify-content: center;
            gap: 36px;
            margin-top: 44px;
            flex-wrap: wrap;
        }
        .banner-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .85);
            font-size: .9rem;
        }
        .banner-meta-item i {
            color: var(--accent);
            font-size: 1.1rem;
        }

        /* ========== 精选攻略卡片 ========== */
        .featured-section {
            background: var(--bg);
        }
        .section-head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 42px;
        }
        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .guide-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--dark-2);
        }
        .guide-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .guide-card:hover .guide-card-img-wrap img {
            transform: scale(1.05);
        }
        .guide-card-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: .75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
            z-index: 1;
        }
        .guide-card-body {
            padding: 22px 22px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .guide-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text);
            transition: color .3s;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card-title:hover {
            color: var(--primary);
        }
        .guide-card-desc {
            color: var(--muted);
            font-size: .88rem;
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .guide-card-meta span {
            font-size: .8rem;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .guide-card-meta span i {
            color: var(--primary);
            font-size: .85rem;
        }
        .guide-card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: .85rem;
            gap: 4px;
            display: inline-flex;
            align-items: center;
        }
        .guide-card-link i {
            transition: transform .3s;
        }
        .guide-card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 排行榜区块 ========== */
        .ranking-section {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
            position: relative;
            overflow: hidden;
            padding: 84px 0;
        }
        .ranking-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(124, 92, 252, .3), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ranking-section .section-tag {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }
        .ranking-section .section-title {
            color: #fff;
        }
        .ranking-section .section-sub {
            color: rgba(255, 255, 255, .7);
        }
        .ranking-card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: var(--transition);
            margin-bottom: 12px;
        }
        .ranking-card:hover {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(124, 92, 252, .4);
            transform: translateX(6px);
        }
        .ranking-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(124, 92, 252, .2);
            color: var(--primary);
            font-weight: 800;
            font-size: .95rem;
            flex-shrink: 0;
        }
        .ranking-card:nth-child(1) .ranking-num {
            background: linear-gradient(135deg, #ffd37a, #ff9f43);
            color: #5a3e00;
        }
        .ranking-card:nth-child(2) .ranking-num {
            background: linear-gradient(135deg, #d8dbe8, #9ba3b8);
            color: #2b2f3a;
        }
        .ranking-card:nth-child(3) .ranking-num {
            background: linear-gradient(135deg, #e8b896, #b47d4e);
            color: #3d2410;
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-title {
            color: #fff;
            font-weight: 600;
            font-size: .95rem;
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-bar {
            height: 5px;
            background: rgba(255, 255, 255, .1);
            border-radius: 10px;
            overflow: hidden;
        }
        .ranking-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 10px;
            transition: width 1s ease;
        }
        .ranking-hot {
            font-size: .85rem;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
            min-width: 68px;
            text-align: right;
        }
        .ranking-tag {
            display: inline-block;
            font-size: .7rem;
            padding: 2px 10px;
            border-radius: 50px;
            background: rgba(255, 255, 255, .1);
            color: rgba(255, 255, 255, .8);
            margin-bottom: 4px;
        }

        /* ========== 攻略专题 ========== */
        .topic-section {
            background: var(--bg-white);
        }
        .topic-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            height: 380px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .topic-card-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .topic-card-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .topic-card:hover .topic-card-bg img {
            transform: scale(1.06);
        }
        .topic-card-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 12, 22, .95) 0%, rgba(13, 12, 22, .4) 60%, rgba(13, 12, 22, .1) 100%);
        }
        .topic-card-content {
            position: relative;
            z-index: 1;
            padding: 28px;
            color: #fff;
            width: 100%;
        }
        .topic-card-tag {
            display: inline-block;
            font-size: .75rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
        }
        .topic-card-title {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .topic-card-desc {
            font-size: .88rem;
            color: rgba(255, 255, 255, .8);
            line-height: 1.65;
            margin-bottom: 14px;
        }
        .topic-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #fff;
            font-weight: 600;
            font-size: .88rem;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        .topic-card-link:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .topic-card-link i {
            font-size: .8rem;
            transition: transform .3s;
        }
        .topic-card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 标签云 ========== */
        .tags-section {
            background: var(--bg);
        }
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 780px;
            margin: 0 auto;
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 10px 20px;
            font-size: .9rem;
            font-weight: 500;
            color: var(--text);
            box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
            transition: var(--transition);
        }
        .tag-chip i {
            color: var(--primary);
            font-size: .8rem;
        }
        .tag-chip:hover {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-color: transparent;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(124, 92, 252, .3);
        }
        .tag-chip:hover i {
            color: #fff;
        }
        .tag-chip.hot {
            background: var(--primary-light);
            border-color: rgba(124, 92, 252, .2);
        }
        .tag-chip.hot i {
            color: var(--accent);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-white);
        }
        .faq-accordion {
            max-width: 780px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, .03);
            transition: var(--transition);
        }
        .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-item:hover {
            border-color: rgba(124, 92, 252, .3) !important;
        }
        .accordion-button {
            font-weight: 600;
            font-size: .98rem;
            color: var(--text);
            background: var(--bg-white);
            padding: 18px 22px;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(124, 92, 252, .15) !important;
        }
        .accordion-body {
            color: var(--muted);
            font-size: .92rem;
            line-height: 1.75;
            padding: 4px 22px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center center;
            padding: 90px 0;
            isolation: isolate;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(124, 92, 252, .92), rgba(255, 107, 157, .88));
            z-index: -1;
        }
        .cta-inner {
            text-align: center;
            color: #fff;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -.5px;
        }
        .cta-inner p {
            font-size: 1.02rem;
            opacity: .92;
            margin-bottom: 28px;
        }
        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            border-radius: 12px;
            padding: 14px 34px;
            font-size: .95rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
            transition: var(--transition);
        }
        .btn-cta-white:hover,
        .btn-cta-white:focus {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, .28);
            color: var(--primary-dark);
        }
        .btn-cta-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid rgba(255, 255, 255, .8);
            color: #fff;
            font-weight: 600;
            border-radius: 12px;
            padding: 14px 34px;
            font-size: .95rem;
            transition: var(--transition);
            margin-left: 12px;
        }
        .btn-cta-ghost:hover {
            background: rgba(255, 255, 255, .15);
            color: #fff;
            transform: translateY(-2px);
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark);
            padding: 70px 0 0;
            color: rgba(255, 255, 255, .75);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: .88rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, .65);
            max-width: 320px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links li a {
            font-size: .88rem;
            color: rgba(255, 255, 255, .65);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .88rem;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, .65);
        }
        .footer-contact li i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 40px;
            padding: 18px 0;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .section-padding {
                padding: 68px 0;
            }
            .banner-title {
                font-size: 2.4rem;
            }
            .page-banner {
                padding: 100px 0 78px;
            }
            .topic-card {
                height: 340px;
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.65rem;
            }
            .banner-title {
                font-size: 1.95rem;
            }
            .page-banner {
                padding: 82px 0 66px;
            }
            .banner-meta-strip {
                gap: 20px;
                margin-top: 32px;
            }
            .navbar-collapse {
                background: var(--dark-2);
                border-radius: 14px;
                padding: 16px;
                margin-top: 14px;
                border: 1px solid rgba(255, 255, 255, .08);
                max-height: 80vh;
                overflow-y: auto;
            }
            .navbar-custom .nav-link {
                padding: 12px 16px !important;
            }
            .guide-card {
                margin-bottom: 10px;
            }
            .ranking-card {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px;
            }
            .ranking-info {
                flex: 1 1 calc(100% - 80px);
            }
            .ranking-hot {
                text-align: left;
                min-width: auto;
            }
            .topic-card {
                height: 320px;
                margin-bottom: 16px;
            }
            .topic-card:last-child {
                margin-bottom: 0;
            }
            .cta-section {
                padding: 64px 0;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .btn-cta-ghost {
                margin-left: 0;
                margin-top: 10px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .section-padding {
                padding: 44px 0;
            }
            .banner-title {
                font-size: 1.55rem;
            }
            .banner-desc {
                font-size: .92rem;
            }
            .page-banner {
                padding: 72px 0 54px;
            }
            .brand-text {
                font-size: 1rem;
            }
            .brand-icon {
                width: 38px;
                height: 38px;
                font-size: .65rem;
            }
            .guide-card-body {
                padding: 18px;
            }
            .ranking-card {
                padding: 14px;
            }
            .ranking-title {
                white-space: normal;
                line-height: 1.4;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .tag-chip {
                padding: 8px 14px;
                font-size: .82rem;
            }
            .topic-card-content {
                padding: 20px;
            }
            .topic-card-title {
                font-size: 1.1rem;
            }
            .banner-actions .btn-light-solid,
            .banner-actions .btn-outline-light-custom {
                width: 100%;
                justify-content: center;
                padding: 12px 18px;
            }
            .cta-actions .btn-cta-white,
            .cta-actions .btn-cta-ghost {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #5b5fef;
            --primary-rgb: 91, 95, 239;
            --primary-dark: #4347d6;
            --accent: #ff7a45;
            --accent-rgb: 255, 122, 69;
            --accent-dark: #e8632f;
            --dark: #141833;
            --dark-2: #1d2340;
            --light: #f4f5fb;
            --white: #ffffff;
            --text: #20243f;
            --text-muted: #7b81a0;
            --border: #e6e8f2;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow-sm: 0 4px 14px rgba(20, 24, 60, 0.06);
            --shadow-md: 0 14px 30px rgba(20, 24, 60, 0.08);
            --shadow-lg: 0 24px 50px rgba(20, 24, 60, 0.14);
            --transition: 0.3s ease;
            --font: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        /* ============ Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            -webkit-font-smoothing: antialiased;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--light);
            color: var(--text);
            line-height: 1.75;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        /* ============ Reading Progress ============ */
        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            z-index: 2000;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            width: 0%;
            transition: width 0.1s ease;
            border-radius: 0 3px 3px 0;
        }

        /* ============ Header ============ */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(20, 24, 51, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
        }
        .main-header .container {
            padding-top: 14px;
            padding-bottom: 14px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary) 0%, #8b7cf6 100%);
            color: #fff;
            font-weight: 800;
            font-size: 0.82rem;
            letter-spacing: 0.04em;
            box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.35);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .brand-logo:hover .brand-icon {
            transform: translateY(-2px) rotate(-3deg);
            box-shadow: 0 12px 26px rgba(var(--primary-rgb), 0.45);
        }
        .brand-text {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.2;
            white-space: nowrap;
        }
        .navbar-custom {
            padding: 0;
        }
        .navbar-custom .navbar-nav {
            gap: 4px;
        }
        .navbar-custom .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 9px 16px;
            border-radius: var(--radius-sm);
            transition: color 0.25s ease, background 0.25s ease;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            outline: none;
        }
        .navbar-custom .nav-link.active {
            color: #fff;
            background: rgba(var(--primary-rgb), 0.35);
        }
        .navbar-toggler-custom {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 10px;
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.25s ease, border-color 0.25s ease;
        }
        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .navbar-toggler-custom:focus {
            outline: 2px solid rgba(var(--primary-rgb), 0.6);
            outline-offset: 2px;
        }

        /* ============ Buttons ============ */
        .btn-accent {
            background: linear-gradient(135deg, var(--accent) 0%, #ff9a62 100%);
            border: none;
            color: #fff;
            font-weight: 600;
            border-radius: 50px;
            padding: 9px 20px;
            box-shadow: 0 8px 20px rgba(var(--accent-rgb), 0.28);
            transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
        }
        .btn-accent:hover,
        .btn-accent:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(var(--accent-rgb), 0.4);
            filter: brightness(1.04);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(var(--accent-rgb), 0.3);
        }
        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            padding: 9px 22px;
            background: transparent;
            transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
        }
        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 12px 28px;
            font-size: 1rem;
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 0.875rem;
        }

        /* ============ Badge ============ */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(var(--primary-rgb), 0.12);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            border: 1px solid rgba(var(--primary-rgb), 0.18);
        }

        /* ============ Page Banner ============ */
        .page-banner {
            position: relative;
            padding: 90px 0 70px;
            background-size: cover;
            background-position: center;
            background-color: var(--dark);
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20, 24, 51, 0.92) 0%, rgba(30, 35, 70, 0.78) 60%, rgba(var(--primary-rgb), 0.55) 100%);
        }
        .page-banner-inner {
            position: relative;
            z-index: 2;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
        }
        .breadcrumb-nav {
            margin-top: 14px;
        }
        .breadcrumb-nav .breadcrumb {
            margin: 0;
        }
        .breadcrumb-nav .breadcrumb-item {
            font-size: 0.9rem;
        }
        .breadcrumb-nav .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.25s ease;
        }
        .breadcrumb-nav .breadcrumb-item a:hover {
            color: #fff;
        }
        .breadcrumb-nav .breadcrumb-item.active {
            color: rgba(255, 255, 255, 0.9);
        }
        .breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ============ Article Section ============ */
        .article-section {
            padding: 60px 0 80px;
        }
        .article-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px 36px;
            border: 1px solid var(--border);
        }
        .article-head {
            border-bottom: 1px solid var(--border);
            padding-bottom: 28px;
            margin-bottom: 30px;
        }
        .article-title {
            font-size: clamp(1.55rem, 2.6vw, 2.15rem);
            font-weight: 800;
            line-height: 1.4;
            color: var(--text);
            margin: 16px 0 14px;
            letter-spacing: 0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--primary);
        }

        /* ============ Article Body ============ */
        .article-body {
            font-size: 1.02rem;
            line-height: 2;
            color: #363b55;
            word-break: break-word;
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--text);
            font-weight: 700;
            margin: 1.8em 0 0.7em;
            line-height: 1.45;
        }
        .article-body h2 {
            font-size: 1.5rem;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            border-radius: 2px;
        }
        .article-body h3 {
            font-size: 1.25rem;
        }
        .article-body h4 {
            font-size: 1.1rem;
        }
        .article-body p {
            margin: 0 0 1.25em;
        }
        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin: 1.4em auto;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.4em;
            padding-left: 1.5em;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 0.5em;
            position: relative;
            list-style: disc;
        }
        .article-body ol li {
            list-style: decimal;
        }
        .article-body blockquote {
            margin: 1.6em 0;
            padding: 18px 22px;
            background: rgba(var(--primary-rgb), 0.06);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: #50567a;
            font-style: normal;
            line-height: 1.85;
        }
        .article-body blockquote p {
            margin: 0;
        }
        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(var(--primary-rgb), 0.3);
        }
        .article-body a:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 0.95rem;
        }
        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-body table th {
            background: rgba(var(--primary-rgb), 0.07);
            font-weight: 600;
        }
        .article-body code {
            background: rgba(var(--primary-rgb), 0.08);
            color: var(--primary-dark);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 0.9em;
        }

        /* ============ Article Footer ============ */
        .article-foot {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .share-box {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .share-box > span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-right: 4px;
        }
        .share-box a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(var(--primary-rgb), 0.08);
            color: var(--primary);
            font-size: 0.95rem;
            transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
        }
        .share-box a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ============ Not Found ============ */
        .not-found-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            padding: 70px 40px;
            text-align: center;
        }
        .not-found-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(var(--primary-rgb), 0.1);
            color: var(--primary);
            font-size: 2rem;
            margin-bottom: 22px;
        }
        .not-found-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .not-found-card p {
            color: var(--text-muted);
            margin-bottom: 26px;
        }

        /* ============ Sidebar ============ */
        .sidebar {
            position: sticky;
            top: 90px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 26px;
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i {
            color: var(--primary);
        }
        .about-card {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
            border: none;
            color: rgba(255, 255, 255, 0.85);
        }
        .about-card h4 {
            color: #fff;
        }
        .about-card p {
            font-size: 0.92rem;
            line-height: 1.85;
            margin-bottom: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .text-link {
            color: var(--accent) !important;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .text-link:hover {
            color: #fff !important;
        }
        .sidebar-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }
        .sidebar-link:hover {
            border-color: rgba(var(--primary-rgb), 0.4);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .sidebar-link img {
            width: 62px;
            height: 62px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-link strong {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text);
            display: block;
            line-height: 1.4;
        }
        .sidebar-link span {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ============ Hot List ============ */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-md);
            background: rgba(245, 246, 251, 0.7);
            border: 1px solid transparent;
            transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
        }
        .hot-item:hover {
            background: rgba(var(--primary-rgb), 0.06);
            border-color: rgba(var(--primary-rgb), 0.18);
            transform: translateX(3px);
        }
        .hot-rank {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #8b7cf6);
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(var(--primary-rgb), 0.22);
        }
        .hot-rank.rank-1 {
            background: linear-gradient(135deg, #ff7a45, #ffab73);
            box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.3);
        }
        .hot-rank.rank-2 {
            background: linear-gradient(135deg, #5b5fef, #9a8df8);
        }
        .hot-item strong {
            display: block;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }
        .hot-item span:last-child {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ============ Mini CTA Card ============ */
        .mini-cta-card {
            background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.08), rgba(var(--accent-rgb), 0.08));
            border: 1px dashed rgba(var(--primary-rgb), 0.3);
        }
        .mini-cta-card h4 {
            margin-bottom: 8px;
        }
        .mini-cta-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* ============ CTA Section ============ */
        .cta-section {
            position: relative;
            background-size: cover;
            background-position: center;
            background-color: var(--dark);
            padding: 90px 0;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 24, 51, 0.92), rgba(var(--primary-rgb), 0.75));
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .cta-inner h2 {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .cta-inner p {
            font-size: 1.02rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 30px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 0;
            border-top: 4px solid rgba(var(--primary-rgb), 0.4);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .footer-logo .brand-icon {
            width: 40px;
            height: 40px;
            font-size: 0.7rem;
        }
        .footer-logo span:last-child {
            color: #fff;
            font-size: 1.15rem;
            font-weight: 700;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
            max-width: 340px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact li {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            margin-top: 50px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1199.98px) {
            .article-card {
                padding: 32px 28px;
            }
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: var(--dark-2);
                border-radius: var(--radius-md);
                padding: 18px;
                box-shadow: var(--shadow-lg);
                border: 1px solid rgba(255, 255, 255, 0.1);
            }
            .navbar-custom .navbar-nav {
                gap: 4px;
            }
            .navbar-custom .nav-link {
                color: rgba(255, 255, 255, 0.85);
                padding: 12px 16px;
            }
            .main-header .container {
                position: relative;
            }
            .nav-item.ms-lg-3 {
                margin-left: 0 !important;
                margin-top: 6px !important;
            }
            .nav-item.ms-lg-3 .btn {
                width: 100%;
                justify-content: center;
            }
            .sidebar {
                position: static;
                margin-top: 24px;
            }
            .page-banner {
                padding: 70px 0 54px;
            }
            .cta-section {
                padding: 70px 0;
            }
        }
        @media (max-width: 767.98px) {
            .main-header .container {
                padding-top: 12px;
                padding-bottom: 12px;
            }
            .brand-icon {
                width: 38px;
                height: 38px;
                font-size: 0.75rem;
                border-radius: 11px;
            }
            .brand-text {
                font-size: 1.05rem;
            }
            .article-card {
                padding: 26px 20px;
            }
            .article-section {
                padding: 44px 0 60px;
            }
            .article-title {
                font-size: 1.4rem;
            }
            .article-foot {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-banner {
                padding: 56px 0 44px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 1rem;
            }
            .navbar-toggler-custom {
                width: 40px;
                height: 40px;
            }
            .article-body {
                font-size: 0.98rem;
                line-height: 1.95;
            }
            .badge-custom {
                font-size: 0.8rem;
                padding: 5px 12px;
            }
            .share-box {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 420px) {
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 0.68rem;
            }
            .brand-text {
                font-size: 0.95rem;
            }
            .article-card {
                padding: 20px 16px;
                border-radius: 16px;
            }
            .article-title {
                font-size: 1.25rem;
            }
            .cta-btns .btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
    --primary: #ff6b2c;
    --primary-dark: #e85a1f;
    --primary-light: #fff3ed;
    --secondary: #7b5cff;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --bg: #f6f7fb;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    --shadow-hover: 0 12px 32px rgba(15, 23, 42, 0.12);
    --transition: all .25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 0.95rem;
    line-height: 1.7;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
    max-width: 1200px;
}

.text-muted {
    color: var(--text-muted) !important;
}

.btn {
    font-weight: 600;
    transition: var(--transition);
}

.btn:focus-visible,
.form-control:focus-visible {
    outline: 3px solid rgba(255, 107, 44, .35);
    outline-offset: 2px;
    box-shadow: none;
}

.btn-accent {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-radius: 10px;
    padding: .55rem 1.4rem;
    font-weight: 600;
    border: none;
    box-shadow: 0 4px 14px rgba(255, 107, 44, .3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-accent:hover,
.btn-accent:active,
.btn-accent:focus {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 44, .4);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.btn-outline-light {
    border: 1.5px solid rgba(255, 255, 255, .7);
    color: #fff;
    border-radius: 10px;
    padding: .55rem 1.4rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, .14);
    color: #fff;
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-outline-accent {
    border: 1.5px solid var(--primary);
    color: var(--primary);
    background: transparent;
    border-radius: 10px;
    padding: .3rem .95rem;
    font-weight: 600;
    font-size: .82rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-outline-accent:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 107, 44, .25);
}

.btn-light-custom {
    background: #fff;
    color: var(--primary);
    border-radius: 10px;
    padding: .6rem 1.9rem;
    font-weight: 700;
    border: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-light-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
    color: var(--primary-dark);
}

/* 顶部导航 */
.main-header {
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow .3s ease;
}

.main-header .container {
    min-height: 76px;
    padding-top: 12px;
    padding-bottom: 12px;
}

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

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, #ff6b2c, #ff9f43);
    color: #fff;
    font-weight: 800;
    font-size: .8rem;
    letter-spacing: .03em;
    line-height: 1;
    box-shadow: 0 6px 16px rgba(255, 107, 44, .3);
}

.brand-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: .01em;
    white-space: nowrap;
}

.navbar-custom {
    gap: 0;
}

.navbar-custom .navbar-nav .nav-link {
    color: var(--text);
    font-weight: 500;
    padding: .5rem 1rem;
    border-radius: 10px;
    transition: var(--transition);
}

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

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

.navbar-toggler-custom {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    font-size: 1.1rem;
    transition: var(--transition);
}

.navbar-toggler-custom:hover,
.navbar-toggler-custom:focus {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 44, .15);
    background: var(--primary-light);
}

/* 页面 Hero */
.page-hero {
    position: relative;
    padding: 110px 0 100px;
    color: #fff;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(9, 13, 27, .94) 0%, rgba(15, 23, 42, .78) 55%, rgba(255, 107, 44, .38) 100%);
}

.page-hero .container {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .25);
    backdrop-filter: blur(6px);
    border-radius: 50px;
    padding: 6px 18px;
    font-size: .82rem;
    font-weight: 600;
    margin-bottom: 22px;
}

.hero-badge i {
    color: #ffb64d;
}

.page-hero h1 {
    font-size: 2.7rem;
    font-weight: 800;
    letter-spacing: .02em;
    margin: 0 0 16px;
    line-height: 1.25;
}

.page-hero .lead-text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, .86);
    max-width: 620px;
    line-height: 1.8;
    margin: 0;
}

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

.hero-stats {
    display: flex;
    gap: 44px;
    margin-top: 46px;
    flex-wrap: wrap;
}

.hero-stats .item strong {
    display: block;
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, #fff, #ffd6c2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-stats .item span {
    display: block;
    color: rgba(255, 255, 255, .78);
    font-size: .84rem;
    margin-top: 4px;
}

/* 活动分类标签 */
.topic-tabs {
    padding: 72px 0 14px;
}

.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50px;
    padding: 4px 14px;
    font-size: .78rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: .04em;
}

.section-head h2 {
    font-size: 1.85rem;
    font-weight: 700;
    margin: 0;
    color: var(--text);
    line-height: 1.35;
}

.section-head .section-sub {
    color: var(--text-muted);
    font-size: .92rem;
    margin-top: 8px;
}

.tab-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.tab-card {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    font-weight: 500;
    font-size: .88rem;
    transition: var(--transition);
}

.tab-card i {
    color: var(--primary);
    font-size: .85rem;
}

.tab-card:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-2px);
}

.tab-card.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 6px 18px rgba(255, 107, 44, .3);
}

.tab-card.active i {
    color: #fff;
}

/* 热门活动卡片 */
.activity-grid {
    padding: 50px 0 70px;
}

.activity-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

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

.activity-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

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

.cover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0) 40%, rgba(15, 23, 42, .55) 100%);
}

.cover-top {
    position: absolute;
    top: 14px;
    left: 14px;
    right: 14px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 2;
}

.status-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: .75rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.5;
}

.status-live {
    background: rgba(34, 197, 94, .92);
}

.status-upcoming {
    background: rgba(245, 158, 11, .92);
}

.status-ended {
    background: rgba(107, 114, 128, .85);
}

.hot-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, .92);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 50px;
    font-size: .75rem;
    font-weight: 700;
    backdrop-filter: blur(4px);
}

.hot-tag i {
    color: #ff9500;
}

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

.activity-body h3 {
    font-size: 1.06rem;
    font-weight: 700;
    margin: 0;
    color: var(--text);
    line-height: 1.45;
}

.activity-body p {
    color: var(--text-muted);
    font-size: .86rem;
    line-height: 1.65;
    margin: 0;
    flex: 1;
}

.category-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: .74rem;
    font-weight: 600;
    border-radius: 6px;
    padding: 3px 9px;
}

.activity-date {
    font-size: .78rem;
    color: var(--text-muted);
}

.progress-wrap {
    margin-top: 4px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: .76rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    string-spacing: .02em;
}

.progress {
    height: 6px;
    border-radius: 50px;
    background: #eef1f6;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary), #ffb64d);
    border-radius: 50px;
}

.activity-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: .82rem;
    color: var(--text-muted);
    border-top: 1px dashed var(--border);
    padding-top: 14px;
    margin-top: 2px;
}

/* 活动日历 */
.event-calendar {
    padding: 76px 0;
    color: #fff;
    background-image: linear-gradient(135deg, rgba(13, 18, 36, .96), rgba(30, 27, 75, .94)), url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    position: relative;
}

.event-calendar .section-tag {
    background: rgba(255, 255, 255, .14);
    color: #ffb64d;
}

.event-calendar .section-head h2 {
    color: #fff;
}

.event-calendar .section-head .section-sub {
    color: rgba(255, 255, 255, .7);
}

.calendar-timeline {
    position: relative;
    margin-top: 44px;
    padding-left: 34px;
    max-width: 860px;
}

.calendar-timeline::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), rgba(255, 255, 255, .18));
}

.timeline-item {
    position: relative;
    padding: 16px 0;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -29px;
    top: 30px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid rgba(255, 107, 44, .35);
    box-shadow: 0 0 0 5px rgba(255, 107, 44, .15);
}

.timeline-card {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: var(--radius);
    padding: 20px 26px;
    transition: var(--transition);
}

.timeline-card:hover {
    background: rgba(255, 255, 255, .1);
    transform: translateX(6px);
    border-color: rgba(255, 255, 255, .22);
}

.timeline-date {
    color: #ffb64d;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.timeline-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 6px 0 4px;
    color: #fff;
}

.timeline-card p {
    color: rgba(255, 255, 255, .72);
    font-size: .86rem;
    margin: 0;
    line-height: 1.7;
}

/* 参与流程 */
.how-it-works {
    padding: 76px 0;
    background: var(--bg);
}

.steps-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 42px;
}

.step-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    position: relative;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.step-num {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 800;
    font-size: 1.05rem;
    margin-bottom: 16px;
    box-shadow: 0 6px 14px rgba(255, 107, 44, .25);
}

.step-card .step-icon {
    position: absolute;
    top: 24px;
    right: 22px;
    font-size: 1.5rem;
    color: #f1f5f9;
}

.step-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--text);
}

.step-card p {
    font-size: .85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.7;
}

/* 热度榜 */
.hot-ranking {
    padding: 76px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    color: #fff;
    position: relative;
}

.hot-ranking::before {
    content: "";
    position: absolute;
    top: -80px;
    right: -80px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(255, 107, 44, .12);
    filter: blur(60px);
}

.hot-ranking .section-tag {
    background: rgba(255, 255, 255, .14);
    color: #ffb64d;
}

.hot-ranking .section-head h2 {
    color: #fff;
}

.hot-ranking .section-head .section-sub {
    color: rgba(255, 255, 255, .7);
}

.ranking-list {
    margin-top: 44px;
    max-width: 840px;
    margin-left: auto;
    margin-right: auto;
}

.rank-item {
    display: flex;
    align-items: center;
    gap: 18px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 14px;
    padding: 16px 22px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.rank-item:hover {
    background: rgba(255, 255, 255, .12);
    transform: translateX(8px);
    border-color: rgba(255, 107, 44, .35);
}

.rank-num {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: .95rem;
    background: rgba(255, 255, 255, .1);
    color: #fff;
    flex-shrink: 0;
}

.rank-item:nth-child(1) .rank-num {
    background: linear-gradient(135deg, #ffd700, #ffb64d);
    color: #0f172a;
}

.rank-item:nth-child(2) .rank-num {
    background: linear-gradient(135deg, #c0c0c0, #e5e7eb);
    color: #0f172a;
}

.rank-item:nth-child(3) .rank-num {
    background: linear-gradient(135deg, #cd7f32, #f59e0b);
    color: #0f172a;
}

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

.rank-info h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rank-info span {
    font-size: .78rem;
    color: rgba(255, 255, 255, .55);
}

.rank-bar {
    width: 120px;
    height: 6px;
    background: rgba(255, 255, 255, .12);
    border-radius: 50px;
    overflow: hidden;
    flex-shrink: 0;
}

.rank-bar span {
    display: block;
    height: 100%;
    border-radius: 50px;
    background: linear-gradient(90deg, var(--primary), #ffb64d);
}

.rank-heat {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #ffb64d;
    font-weight: 700;
    font-size: .92rem;
    min-width: 56px;
    justify-content: flex-end;
}

/* FAQ */
.faq-section {
    padding: 76px 0;
    background: var(--bg);
}

.accordion-custom {
    max-width: 820px;
    margin: 42px auto 0;
}

.accordion-custom .accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm) !important;
    margin-bottom: 12px;
    overflow: hidden;
    background: #fff;
    transition: box-shadow .25s ease;
}

.accordion-custom .accordion-item:hover {
    box-shadow: var(--shadow);
}

.accordion-custom .accordion-button {
    padding: 18px 22px;
    font-weight: 600;
    color: var(--text);
    background: #fff;
    font-size: .95rem;
    box-shadow: none;
    transition: var(--transition);
}

.accordion-custom .accordion-button:not(.collapsed) {
    background: var(--primary-light);
    color: var(--primary);
}

.accordion-custom .accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(255, 107, 44, .2);
}

.accordion-custom .accordion-button::after {
    background-size: 16px;
}

.accordion-custom .accordion-body {
    padding: 0 22px 20px;
    color: var(--text-muted);
    font-size: .88rem;
    line-height: 1.75;
}

/* CTA */
.cta-section {
    padding: 60px 0 80px;
    background: var(--bg);
}

.cta-box {
    background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 60%, #ff9f43 130%);
    border-radius: 24px;
    padding: 56px 44px;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: "";
    position: absolute;
    top: -60px;
    left: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .1);
}

.cta-box::after {
    content: "";
    position: absolute;
    bottom: -80px;
    right: -40px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
}

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

.cta-box h2 {
    font-size: 1.85rem;
    font-weight: 800;
    margin: 0 0 12px;
}

.cta-box p {
    color: rgba(255, 255, 255, .88);
    margin: 0 0 30px;
    font-size: .98rem;
}

/* 页脚 */
.site-footer {
    background: #0f172a;
    color: rgba(255, 255, 255, .75);
    padding: 60px 0 0;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.footer-desc {
    font-size: .88rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, .6);
    max-width: 340px;
    margin: 0;
}

.site-footer h5 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: rgba(255, 255, 255, .65);
    text-decoration: none;
    font-size: .88rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a:hover {
    color: #ffb64d;
    padding-left: 4px;
}

.footer-links a::before {
    content: "";
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .4);
    transition: var(--transition);
}

.footer-links a:hover::before {
    background: #ffb64d;
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    margin-bottom: 10px;
    font-size: .88rem;
    color: rgba(255, 255, 255, .65);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact i {
    color: #ffb64d;
    width: 16px;
    font-size: .9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    margin-top: 44px;
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: .82rem;
    color: rgba(255, 255, 255, .45);
}

/* 响应式 */
@media (max-width: 991.98px) {
    .main-header .container {
        min-height: 64px;
    }

    .brand-text {
        font-size: 1.1rem;
    }

    .main-header {
        position: relative;
    }

    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-radius: 0 0 18px 18px;
        box-shadow: 0 16px 36px rgba(15, 23, 42, .14);
        padding: 12px 20px 18px;
        z-index: 1050;
    }

    .page-hero {
        padding: 80px 0 72px;
    }

    .page-hero h1 {
        font-size: 2.1rem;
    }

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

    .hot-ranking .rank-bar {
        width: 90px;
    }
}

@media (max-width: 767.98px) {
    .brand-logo {
        gap: 8px;
    }

    .brand-icon {
        width: 38px;
        height: 38px;
        font-size: .7rem;
    }

    .brand-text {
        font-size: 1rem;
    }

    .page-hero {
        padding: 60px 0 54px;
    }

    .page-hero h1 {
        font-size: 1.65rem;
    }

    .page-hero .lead-text {
        font-size: .92rem;
    }

    .hero-actions {
        gap: 10px;
    }

    .hero-stats {
        gap: 26px;
        margin-top: 34px;
    }

    .hero-stats .item strong {
        font-size: 1.3rem;
    }

    .hero-stats .item span {
        font-size: .78rem;
    }

    .section-head h2 {
        font-size: 1.4rem;
    }

    .activity-cover {
        height: 170px;
    }

    .activity-body h3 {
        font-size: .98rem;
    }

    .tab-row {
        gap: 8px;
    }

    .tab-card {
        padding: 8px 16px;
        font-size: .82rem;
    }

    .calendar-timeline {
        padding-left: 24px;
        margin-top: 34px;
    }

    .timeline-item::before {
        left: -21px;
        width: 12px;
        height: 12px;
    }

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

    .timeline-card h4 {
        font-size: .98rem;
    }

    .steps-row {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 32px;
    }

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

    .rank-item {
        flex-wrap: wrap;
        gap: 12px;
        padding: 14px 16px;
    }

    .rank-info {
        min-width: calc(100% - 80px);
    }

    .rank-bar {
        width: 100%;
        order: 4;
    }

    .rank-heat {
        min-width: auto;
    }

    .cta-section {
        padding: 50px 0 60px;
    }

    .cta-box {
        padding: 38px 22px;
        border-radius: 18px;
    }

    .cta-box h2 {
        font-size: 1.35rem;
    }

    .cta-box p {
        font-size: .88rem;
    }

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

    .site-footer {
        padding-top: 44px;
    }
}

@media (max-width: 420px) {
    .main-header .container {
        padding-left: 14px;
        padding-right: 14px;
    }

    .brand-text {
        font-size: .9rem;
        white-space: nowrap;
    }

    .navbar-custom .navbar-nav .nav-link {
        font-size: .9rem;
        padding: .5rem .8rem;
    }

    .activity-cover {
        height: 150px;
    }

    .hero-actions .btn {
        padding: .5rem 1.1rem;
        font-size: .88rem;
    }
}