/* roulang page: index */
:root {
            --primary: #2563EB;
            --primary-light: #3B82F6;
            --primary-bg: #EFF6FF;
            --body-bg: #F4F7FB;
            --card-bg: #FFFFFF;
            --divider: #E6EDF7;
            --border: #DDE6F5;
            --accent: #F97316;
            --accent-bg: #FFF7ED;
            --accent-border: #FED7AA;
            --success: #10B981;
            --success-bg: #ECFDF5;
            --text-heading: #182033;
            --text-body: #2E3A4F;
            --text-muted: #576175;
            --text-placeholder: #8A99B4;
            --radius-sm: 10px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 12px rgba(23, 58, 122, 0.08);
            --shadow-hover: 0 14px 32px rgba(23, 58, 122, 0.14);
            --shadow-nav: 0 4px 24px rgba(23, 58, 122, 0.08);
            --shadow-focus: 0 0 0 4px rgba(37, 99, 235, 0.18);
            --container-max: 1200px;
            --space-section: 88px;
            --space-section-md: 64px;
            --space-section-sm: 48px;
            --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--body-bg);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

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

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: clamp(1.75rem, 2.6vw, 2.25rem);
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .section-sub {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 8px;
            max-width: 520px;
        }

        .section-link {
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 0;
            border-bottom: 1px solid transparent;
            transition: all .2s ease;
            white-space: nowrap;
        }

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

        .section-link::after {
            content: "→";
            font-size: 1rem;
            transition: transform .2s ease;
        }

        .section-link:hover::after {
            transform: translateX(3px);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }

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

        .btn-primary:hover {
            background: #3B7BFF;
            box-shadow: 0 8px 16px rgba(37, 99, 235, 0.25);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 4px 8px rgba(37, 99, 235, 0.18);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

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

        .btn-lg {
            height: 50px;
            padding: 0 36px;
            border-radius: 14px;
            font-size: 1rem;
        }

        .btn-block {
            width: 100%;
        }

        .btn:focus-visible,
        a:focus-visible,
        summary:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        /* 导航 */
        .topbar {
            background: #EBF0F8;
            border-bottom: 1px solid var(--divider);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 34px;
        }

        .topbar-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .topbar-links a {
            color: var(--text-muted);
            transition: color .2s;
        }

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

        .mainbar {
            background: #fff;
            border-bottom: 1px solid var(--divider);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-nav);
        }

        .mainbar-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 72px;
        }

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

        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -1px;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-heading);
            letter-spacing: 0.02em;
            line-height: 1;
        }

        .logo-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--success-bg);
            color: var(--success);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            margin-top: 10px;
        }

        .logo-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--success);
            border-radius: 50%;
        }

        .search-box {
            flex: 1;
            max-width: 480px;
            display: flex;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            height: 46px;
            padding: 0 0 0 14px;
            transition: border-color .2s, box-shadow .2s;
            margin: 0 auto;
        }

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

        .search-box svg {
            width: 16px;
            height: 16px;
            stroke: var(--text-placeholder);
            flex-shrink: 0;
        }

        .search-box input {
            flex: 1;
            border: none;
            background: none;
            padding: 0 12px;
            font-size: 0.9rem;
            color: var(--text-body);
            min-width: 0;
        }

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

        .search-box input:focus {
            outline: none;
            box-shadow: none;
        }

        .search-btn {
            height: 36px;
            padding: 0 20px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 600;
            margin-right: 4px;
            cursor: pointer;
            transition: background .2s;
            flex-shrink: 0;
        }

        .search-btn:hover {
            background: #3B7BFF;
        }

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

        .mainbar .btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 22px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 600;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .mainbar .btn-login:hover {
            background: #3B7BFF;
            box-shadow: 0 6px 14px rgba(37, 99, 235, 0.25);
            transform: translateY(-2px);
        }

        /* 分类入口条 */
        .nav-bar {
            background: #fff;
            border-bottom: 1px solid var(--divider);
        }

        .nav-bar-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 52px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 22px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all .2s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-bg);
            transform: translateY(-2px);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-bg);
        }

        /* 移动端菜单 */
        .mobile-drawer-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .mobile-drawer-toggle svg {
            width: 22px;
            height: 22px;
            stroke: var(--text-heading);
        }

        .mobile-drawer-panel {
            display: none;
        }

        .mobile-drawer[open] .mobile-drawer-panel {
            display: block;
            position: fixed;
            top: 0;
            right: 0;
            width: min(80vw, 320px);
            height: 100vh;
            background: #fff;
            z-index: 200;
            padding: 24px;
            box-shadow: -8px 0 32px rgba(23, 58, 122, 0.18);
            overflow-y: auto;
        }

        .mobile-drawer[open] .mobile-drawer-toggle {
            position: fixed;
            top: 16px;
            right: 16px;
            z-index: 201;
            background: var(--body-bg);
            border-radius: 8px;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background: linear-gradient(115deg, #EFF6FF 0%, #EFF6FF 40%, rgba(255, 255, 255, 0.5) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: 60px;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .hero-content {
            flex: 1;
            max-width: 560px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 24px;
            box-shadow: 0 2px 8px rgba(23, 58, 122, 0.06);
        }

        .hero-badge-dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
        }

        .hero h1 {
            font-size: clamp(2.2rem, 4.4vw, 3.5rem);
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }

        .hero-sub {
            font-size: clamp(1rem, 1.6vw, 1.15rem);
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 440px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-safety {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-safety span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-safety span::before {
            content: "✓";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 16px;
            height: 16px;
            background: var(--success-bg);
            color: var(--success);
            border-radius: 50%;
            font-size: 11px;
            font-weight: 700;
        }

        /* Hero 登录卡 */
        .hero-visual {
            flex: 1;
            max-width: 420px;
            position: relative;
        }

        .login-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(23, 58, 122, 0.2);
            overflow: hidden;
            position: relative;
            transform: perspective(800px) rotateY(-3deg);
            transition: transform .4s ease;
        }

        .login-card:hover {
            transform: perspective(800px) rotateY(0deg);
        }

        .login-card-top {
            height: 44px;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0 16px;
        }

        .login-card-top .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #C7D6ED;
        }

        .login-card-top .dot:first-child {
            background: #FDA4AF;
        }

        .login-card-top .dot:nth-child(2) {
            background: #FDE68A;
        }

        .login-card-top .dot:nth-child(3) {
            background: #86EFAC;
        }

        .login-card-body {
            padding: 28px 24px 32px;
        }

        .login-card-title {
            display: block;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 20px;
        }

        .login-input {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 0 14px;
            margin-bottom: 14px;
            font-size: 0.85rem;
            color: var(--text-placeholder);
            background: var(--body-bg);
        }

        .login-input span {
            font-size: 14px;
            color: var(--text-placeholder);
        }

        .login-card-btn {
            width: 100%;
            height: 46px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            margin-top: 8px;
            transition: all .2s ease;
        }

        .login-card-btn:hover {
            background: #3B7BFF;
            box-shadow: 0 8px 16px rgba(37, 99, 235, 0.25);
        }

        .login-badge {
            position: absolute;
            bottom: 16px;
            right: -16px;
            background: var(--accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            box-shadow: 0 6px 16px rgba(249, 115, 22, 0.35);
            transform: rotate(-4deg);
        }

        /* 数据条 */
        .stats-section {
            padding: 0;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

        .stats-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            padding: 32px 24px;
            max-width: 1000px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .stat-item {
            flex: 1;
            text-align: center;
            padding: 12px 10px;
            min-width: 140px;
        }

        .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-num span {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .stat-divider {
            width: 1px;
            height: 48px;
            background: var(--divider);
            flex-shrink: 0;
        }

        /* 玩法介绍 */
        .how-section {
            padding: var(--space-section) 0;
        }

        .how-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            position: relative;
        }

        .how-card {
            background: var(--primary-bg);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            position: relative;
            border: 1px solid transparent;
            transition: box-shadow .3s ease, border-color .3s ease;
        }

        .how-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #BFDBFE;
        }

        .how-icon {
            width: 56px;
            height: 56px;
            background: #fff;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
            border: 1px solid var(--border);
        }

        .how-icon svg {
            width: 26px;
            height: 26px;
            stroke: var(--primary);
            fill: none;
            stroke-width: 1.8;
        }

        .how-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .how-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .how-step {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            right: -24px;
            z-index: 1;
            color: var(--primary);
            font-size: 1.4rem;
            font-weight: 700;
            opacity: 0.3;
        }

        .how-step svg {
            width: 24px;
            height: 24px;
            stroke: var(--primary);
        }

        /* 奖励预览 */
        .rewards-section {
            background: #fff;
            padding: var(--space-section) 0;
        }

        .rewards-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .reward-card {
            display: flex;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: box-shadow .3s ease, transform .3s ease;
            position: relative;
        }

        .reward-card:nth-child(even) {
            transform: translateY(24px);
        }

        .reward-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(20px);
        }

        .reward-card:nth-child(even):hover {
            transform: translateY(20px) translateX(4px);
        }

        .reward-img {
            width: 45%;
            min-height: 200px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

        .reward-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

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

        .reward-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            z-index: 2;
            box-shadow: 0 4px 8px rgba(249, 115, 22, 0.3);
        }

        .reward-tag.green-dot {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #F0FDF4;
            color: var(--success);
            border: 1px solid #A7F3D0;
        }

        .reward-tag.green-dot::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--success);
            border-radius: 50%;
        }

        .reward-body {
            flex: 1;
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
        }

        .reward-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .reward-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
        }

        .reward-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            gap: 12px;
        }

        .reward-value {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .reward-value span {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 4px;
        }

        .reward-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 34px;
            padding: 0 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 600;
            transition: all .2s ease;
            background: #fff;
        }

        .reward-btn:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
        }

        /* 任务进度 */
        .missions-section {
            padding: var(--space-section) 0;
        }

        .missions-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .missions-main {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px;
        }

        .missions-user {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--divider);
        }

        .missions-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .missions-user-info {
            flex: 1;
        }

        .missions-user-info .name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
        }

        .missions-user-info .desc {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .progress-bar-wrap {
            flex: 1;
            max-width: 260px;
        }

        .progress-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .progress-bar {
            height: 8px;
            background: var(--primary-bg);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }

        .progress-bar-fill {
            height: 100%;
            background: var(--primary);
            border-radius: var(--radius-pill);
            transition: width .6s ease;
        }

        .task-list {
            display: flex;
            flex-direction: column;
        }

        .task-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--divider);
        }

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

        .task-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .task-icon.blue {
            background: var(--primary-bg);
        }

        .task-icon.orange {
            background: var(--accent-bg);
        }

        .task-icon svg {
            width: 20px;
            height: 20px;
            stroke: var(--primary);
            fill: none;
            stroke-width: 1.8;
        }

        .task-icon.orange svg {
            stroke: var(--accent);
        }

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

        .task-name {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.4;
        }

        .task-reward {
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 500;
        }

        .status-tag {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .status-active {
            background: var(--primary-bg);
            color: var(--primary);
        }

        .status-claim {
            background: var(--accent);
            color: #fff;
        }

        .status-done {
            background: var(--success-bg);
            color: var(--success);
        }

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

        .mission-side-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px;
            text-align: center;
            transition: box-shadow .3s ease;
        }

        .mission-side-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .mission-side-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
        }

        .progress-ring-wrap {
            position: relative;
            width: 100px;
            height: 100px;
            margin: 0 auto 16px;
        }

        .progress-ring {
            width: 100%;
            height: 100%;
        }

        .progress-ring text {
            font-family: var(--font-stack);
        }

        .mission-side-link {
            display: inline-block;
            font-size: 0.82rem;
            color: var(--primary);
            font-weight: 600;
            border-bottom: 1px solid transparent;
            transition: border-color .2s;
        }

        .mission-side-link:hover {
            border-bottom-color: var(--primary);
        }

        .missions-cta {
            margin-top: 28px;
            text-align: center;
        }

        .missions-cta .btn {
            min-width: 320px;
            height: 52px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

        /* 资讯区域 */
        .news-section {
            background: #fff;
            padding: var(--space-section) 0;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 860px;
            margin: 0 auto;
        }

        .news-item {
            display: flex;
            gap: 20px;
            background: var(--body-bg);
            border-radius: var(--radius-lg);
            padding: 18px;
            border: 1px solid transparent;
            transition: box-shadow .3s ease, border-color .3s ease;
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }

        .news-thumb {
            width: 96px;
            height: 72px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            display: block;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-item:hover .news-thumb img {
            transform: scale(1.08);
        }

        .news-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-cat {
            display: inline-block;
            width: fit-content;
            background: var(--primary-bg);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: 6px;
        }

        .news-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-title a {
            transition: color .2s;
        }

        .news-title a:hover {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .news-summary {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-placeholder);
        }

        .empty-state {
            background: var(--primary-bg);
            border-radius: var(--radius-lg);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-muted);
        }

        .empty-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-size: 1.2rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
        }

        .empty-state p {
            font-size: 0.95rem;
        }

        /* CTA 横幅 */
        .cta-section {
            padding: var(--space-section) 0;
        }

        .cta-banner {
            background: linear-gradient(120deg, #2563EB 0%, #3B82F6 100%);
            border-radius: var(--radius-lg);
            padding: 60px 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-size: clamp(1.4rem, 2.4vw, 1.8rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .cta-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 50px;
            padding: 0 36px;
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 700;
            white-space: nowrap;
            transition: all .25s ease;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            position: relative;
            z-index: 1;
        }

        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
            background: #F0F7FF;
        }

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

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--divider);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow .3s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
            list-style: none;
            transition: color .2s;
        }

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

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

        .faq-item summary::after {
            content: "";
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%232563EB' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M12 4v16m8-8H4'/%3E%3C/svg%3E") center center no-repeat;
            transition: transform .3s ease;
        }

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

        .faq-item[open] summary {
            border-bottom: 1px solid var(--divider);
        }

        .faq-answer {
            padding: 16px 22px 22px;
            background: #F8FAFD;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* 页脚 */
        .footer {
            background: #F0F5FB;
            border-top: 1px solid var(--divider);
            padding-top: 60px;
            margin-top: 0;
        }

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

        .footer-brand {
            max-width: 280px;
        }

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

        .footer-logo .logo-mark {
            width: 32px;
            height: 32px;
            font-size: 16px;
            border-radius: 10px;
        }

        .footer-logo .logo-text {
            font-size: 1.1rem;
        }

        .footer-brand-text {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
        }

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

        .footer-col a {
            font-size: 0.86rem;
            color: var(--text-muted);
            transition: color .2s;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--divider);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-placeholder);
        }

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

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

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

        /* 响应式 */
        @media (max-width: 1023px) {
            :root {
                --space-section: 64px;
            }

            .hero {
                min-height: auto;
            }

            .hero-inner {
                flex-direction: column;
                gap: 48px;
                padding-top: 40px;
                padding-bottom: 80px;
            }

            .hero-content {
                max-width: 100%;
            }

            .hero-visual {
                max-width: 100%;
                width: 100%;
            }

            .login-card {
                max-width: 420px;
                margin: 0 auto;
                transform: none;
            }

            .login-card:hover {
                transform: translateY(-4px);
            }

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

            .how-step {
                display: none;
            }

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

            .reward-card:nth-child(even) {
                transform: none;
            }

            .reward-card:nth-child(even):hover {
                transform: translateY(-2px);
            }

            .missions-layout {
                grid-template-columns: 1fr;
            }

            .stats-card {
                max-width: 100%;
            }

            .stat-item {
                min-width: 50%;
            }

            .stat-divider {
                display: none;
            }

            .stats-card {
                flex-wrap: wrap;
            }

            .stat-item:nth-child(1),
            .stat-item:nth-child(3) {
                border-bottom: 1px solid var(--divider);
            }

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

        @media (max-width: 767px) {
            :root {
                --space-section: 48px;
            }

            .container {
                padding: 0 20px;
            }

            .topbar-inner {
                height: auto;
                padding: 8px 0;
                flex-direction: column;
                gap: 4px;
            }

            .topbar-links {
                gap: 8px;
            }

            .mainbar-inner {
                height: 64px;
                gap: 12px;
            }

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

            .logo-badge {
                display: none;
            }

            .search-box {
                display: none;
            }

            .mainbar .btn-login {
                display: none;
            }

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

            .nav-bar-inner {
                height: 48px;
                gap: 6px;
                padding: 0 20px;
            }

            .nav-link {
                height: 32px;
                padding: 0 14px;
                font-size: 0.82rem;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero-sub {
                font-size: 0.95rem;
            }

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

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

            .hero-safety {
                justify-content: center;
                gap: 12px;
            }

            .hero-safety span {
                font-size: 0.75rem;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

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

            .how-card {
                padding: 32px 24px;
            }

            .reward-card {
                flex-direction: column;
            }

            .reward-img {
                width: 100%;
                min-height: 0;
                height: 160px;
            }

            .reward-card:nth-child(even):hover {
                transform: none;
            }

            .rewards-grid {
                gap: 16px;
            }

            .missions-main {
                padding: 20px;
            }

            .missions-user {
                flex-wrap: wrap;
            }

            .progress-bar-wrap {
                max-width: 100%;
                flex-basis: 100%;
                margin-top: 12px;
            }

            .task-item {
                gap: 12px;
            }

            .task-icon {
                width: 36px;
                height: 36px;
            }

            .task-name {
                font-size: 0.85rem;
            }

            .task-reward {
                font-size: 0.75rem;
            }

            .status-tag {
                padding: 3px 10px;
                font-size: 0.7rem;
            }

            .missions-cta .btn {
                min-width: 100%;
            }

            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }

            .news-thumb {
                width: 100%;
                height: 140px;
            }

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

            .cta-banner {
                padding: 40px 28px;
                flex-direction: column;
                text-align: center;
                gap: 24px;
            }

            .cta-btn {
                width: 100%;
            }

            .faq-item summary {
                padding: 16px 18px;
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 14px 18px 18px;
                font-size: 0.85rem;
            }

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

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

            .footer-bottom-links {
                justify-content: center;
            }

            .mobile-drawer[open] .mobile-drawer-panel {
                display: block;
                position: fixed;
                top: 0;
                right: 0;
                width: min(85vw, 320px);
                height: 100vh;
                background: #fff;
                z-index: 200;
                padding: 24px;
                padding-top: 64px;
                box-shadow: -8px 0 32px rgba(23, 58, 122, 0.18);
                overflow-y: auto;
            }

            .mobile-drawer[open] .mobile-drawer-toggle {
                position: fixed;
                top: 16px;
                right: 16px;
                z-index: 201;
                background: var(--body-bg);
                border-radius: 8px;
                display: flex;
            }

            .mobile-drawer-panel .mobile-drawer-search {
                display: flex;
                align-items: center;
                gap: 8px;
                margin-bottom: 24px;
            }

            .mobile-drawer-panel .mobile-drawer-search input {
                flex: 1;
                height: 40px;
                border: 1px solid var(--border);
                border-radius: var(--radius-md);
                padding: 0 14px;
                font-size: 0.85rem;
                color: var(--text-body);
                background: var(--body-bg);
            }

            .mobile-drawer-panel .mobile-drawer-search input::placeholder {
                color: var(--text-placeholder);
            }

            .mobile-drawer-panel nav {
                display: flex;
                flex-direction: column;
                gap: 4px;
                margin-bottom: 24px;
            }

            .mobile-drawer-panel nav a {
                display: block;
                padding: 12px 8px;
                font-size: 0.95rem;
                font-weight: 600;
                color: var(--text-heading);
                border-radius: var(--radius-md);
                transition: background .2s;
            }

            .mobile-drawer-panel nav a:hover {
                background: var(--primary-bg);
                color: var(--primary);
            }

            .mobile-drawer-panel nav a.active {
                background: var(--primary-bg);
                color: var(--primary);
            }

            .mobile-drawer-panel .btn-login {
                width: 100%;
                height: 46px;
                display: flex;
                align-items: center;
                justify-content: center;
                background: var(--primary);
                color: #fff;
                border-radius: var(--radius-md);
                font-weight: 600;
                font-size: 0.95rem;
            }

            .mobile-drawer-panel .btn-login:hover {
                background: #3B7BFF;
            }
        }

        @media (max-width: 520px) {
            .stat-num {
                font-size: 1.4rem;
            }

            .stat-label {
                font-size: 0.76rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .reward-value {
                font-size: 1.2rem;
            }

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

            .reward-btn {
                width: 100%;
            }
        }

/* roulang page: article */
:root {
  --primary: #2563EB;
  --primary-light: #3B82F6;
  --primary-bg: #EFF6FF;
  --primary-border: #BFDBFE;
  --accent: #F97316;
  --accent-bg: #FFF7ED;
  --success: #10B981;
  --bg: #F4F7FB;
  --card-bg: #FFFFFF;
  --border: #DDE6F5;
  --line: #E6EDF7;
  --text: #182033;
  --text-body: #2E3A4F;
  --text-muted: #576175;
  --text-faint: #8A99B4;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 12px rgba(23, 58, 122, 0.08);
  --shadow-hover: 0 14px 32px rgba(23, 58, 122, 0.14);
  --shadow-nav: 0 4px 24px rgba(23, 58, 122, 0.08);
  --shadow-btn: 0 8px 16px rgba(37, 99, 235, 0.25);
  --focus-ring: 0 0 0 4px rgba(37, 99, 235, 0.18);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-sm);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

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

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: var(--focus-ring);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: none;
}

.btn-primary:hover {
  background: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-btn);
}

.btn-primary:active {
  transform: scale(0.98);
  box-shadow: none;
}

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

.btn-outline:hover {
  background: var(--primary-bg);
  color: var(--primary);
  transform: translateY(-2px);
}

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

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--card-bg);
  box-shadow: var(--shadow-nav);
}

.topbar {
  background: #F0F5FB;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
}

.topbar-links {
  display: flex;
  gap: 20px;
}

.topbar-links a {
  color: var(--text-muted);
}

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

.main-header-inner {
  display: grid;
  grid-template-columns: auto minmax(280px, 1fr) auto;
  align-items: center;
  gap: 32px;
  min-height: 76px;
  padding-top: 8px;
  padding-bottom: 8px;
}

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

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 12px;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.02em;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 10px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
}

.logo-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  margin-right: 5px;
}

.search-box {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  height: 46px;
  padding: 0 6px 0 16px;
  gap: 10px;
  transition: border-color 0.25s, box-shadow 0.25s;
  max-width: 560px;
  width: 100%;
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: var(--focus-ring);
}

.search-box svg {
  flex-shrink: 0;
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  height: 100%;
  font-size: 0.92rem;
  color: var(--text);
  background: transparent;
  min-width: 0;
}

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

.search-btn {
  height: 36px;
  padding: 0 20px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  transition: background 0.25s, transform 0.2s;
  flex-shrink: 0;
}

.search-btn:hover {
  background: var(--primary-light);
}

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

.header-login {
  height: 40px;
  padding: 0 22px;
  font-size: 0.88rem;
}

.category-nav {
  border-top: 1px solid var(--line);
  background: #fff;
}

.category-nav nav {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 0;
}

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

.category-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-pill);
  transition: color 0.2s, transform 0.2s;
  white-space: nowrap;
}

.category-nav a:hover {
  color: var(--primary);
  transform: translateY(-2px);
}

.category-nav a.active {
  color: var(--primary);
  font-weight: 600;
}

.category-nav a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 16px;
  height: 4px;
  background: var(--primary);
  border-radius: var(--radius-pill);
  transform: translateX(-50%);
}

/* 移动端导航 */
.mobile-nav-check {
  display: none;
}

.mobile-nav-btn {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.mobile-nav-btn .bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -340px;
  width: 320px;
  max-width: 85vw;
  height: 100%;
  background: #fff;
  z-index: 999;
  box-shadow: -10px 0 40px rgba(23, 58, 122, 0.18);
  transition: right 0.35s ease;
  padding: 24px 24px 40px;
  overflow-y: auto;
}

.drawer-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-muted);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}

.drawer-search {
  margin-top: 30px;
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  height: 46px;
  padding: 0 14px;
  gap: 8px;
}

.drawer-search input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.92rem;
  min-width: 0;
  background: transparent;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.drawer-nav a {
  display: flex;
  align-items: center;
  height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-md);
  color: var(--text);
  font-weight: 500;
}

.drawer-nav a:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

.drawer-login {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  margin-top: 24px;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

.drawer-login:hover {
  background: var(--primary-light);
  color: #fff;
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(24, 32, 51, 0.45);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s ease;
}

.mobile-nav-check:checked ~ .mobile-drawer {
  right: 0;
}

.mobile-nav-check:checked ~ .drawer-overlay {
  opacity: 1;
  visibility: visible;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 28px 0 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

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

.breadcrumb-sep {
  color: var(--text-faint);
}

.breadcrumb-current {
  color: var(--text);
  font-weight: 500;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 文章卡片 ===== */
.article-main {
  padding-bottom: 72px;
}

.article-container {
  max-width: 1000px;
}

.article-card {
  background: var(--card-bg);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  padding: 48px 56px 40px;
  border: 1px solid var(--line);
}

.article-inner {
  max-width: 760px;
  margin: 0 auto;
}

.article-header h1 {
  font-size: clamp(1.6rem, 3.2vw, 2rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.35;
  letter-spacing: 0.01em;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.meta-dot {
  color: var(--text-faint);
}

.article-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0 32px;
}

.toolbar-line {
  flex: 1;
  height: 1px;
  background: var(--line);
}

.font-size-btn {
  width: 40px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.font-size-btn:hover {
  background: var(--primary-bg);
  border-color: var(--primary);
}

/* ===== 文章正文 ===== */
.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-body);
}

.article-body p {
  margin-bottom: 1.4em;
  text-indent: 2em;
  text-align: left;
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--text);
  font-weight: 700;
  margin: 32px 0 16px;
  line-height: 1.4;
}

.article-body h1 {
  font-size: 1.5rem;
}

.article-body h2 {
  font-size: 1.35rem;
}

.article-body h3 {
  font-size: 1.15rem;
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.4em 1.6em;
}

.article-body li {
  margin-bottom: 0.5em;
}

.article-body blockquote {
  margin: 24px 0;
  padding: 16px 24px;
  background: #F8FAFD;
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.98rem;
}

.article-body blockquote p {
  text-indent: 0;
  margin-bottom: 0;
}

.article-body img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: 24px auto;
}

.article-body figcaption,
.article-body .caption {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-top: -12px;
  margin-bottom: 24px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: #F8FAFD;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article-body table th,
.article-body table td {
  padding: 12px 16px;
  border: 1px solid var(--line);
  text-align: left;
  font-size: 0.92rem;
}

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

.article-body code {
  background: #F1F5F9;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.9em;
  color: var(--primary);
}

/* ===== 空态 ===== */
.article-empty {
  text-align: center;
  padding: 60px 0 40px;
}

.article-empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.article-empty p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ===== 上一篇/下一篇 ===== */
.article-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.pager-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  transition: all 0.25s;
}

.pager-link:hover {
  background: var(--primary-bg);
  border-color: var(--primary-border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.pager-label {
  font-size: 0.78rem;
  color: var(--text-faint);
  font-weight: 500;
}

.pager-text {
  font-size: 0.92rem;
  color: var(--text);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pager-next {
  text-align: right;
}

/* ===== 相关推荐 ===== */
.related-section {
  margin-top: 56px;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 24px;
  position: relative;
  padding-left: 16px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--primary);
  border-radius: var(--radius-pill);
}

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

.related-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all 0.3s ease;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-border);
}

.related-cover {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

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

.related-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 20px 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  height: 24px;
  padding: 0 12px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.related-body h3 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.related-time {
  font-size: 0.78rem;
  color: var(--text-faint);
}

/* ===== 页脚 ===== */
.footer {
  background: #F0F5FB;
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 56px 0 40px;
}

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

.footer-logo .logo-mark {
  width: 36px;
  height: 36px;
  font-size: 1rem;
}

.footer-logo .logo-text {
  font-size: 1.15rem;
}

.footer-logo .logo-badge {
  height: 20px;
  font-size: 0.68rem;
}

.footer-brand-text {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

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

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

.footer-col a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--text-faint);
}

.footer-bottom-links {
  display: flex;
  gap: 16px;
}

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

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

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .main-header-inner {
    grid-template-columns: auto 1fr auto;
    gap: 16px;
  }

  .search-box {
    max-width: 420px;
  }

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

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

  .article-card {
    padding: 40px;
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .topbar-inner {
    font-size: 0.75rem;
    min-height: 32px;
  }

  .topbar-links {
    gap: 12px;
  }

  .main-header-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "logo toggle"
      "search search";
    gap: 12px;
    min-height: 0;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .logo {
    grid-area: logo;
  }

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

  .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .search-box {
    grid-area: search;
    max-width: 100%;
    width: 100%;
  }

  .header-login {
    display: none;
  }

  .mobile-nav-btn {
    display: flex;
    grid-area: toggle;
  }

  .category-nav nav {
    gap: 4px;
  }

  .category-nav a {
    height: 42px;
    padding: 0 14px;
    font-size: 0.84rem;
  }

  .breadcrumb {
    padding-top: 20px;
    font-size: 0.78rem;
  }

  .article-card {
    padding: 24px 20px;
    border-radius: 16px;
    box-shadow: none;
    border-color: var(--line);
  }

  .article-header h1 {
    font-size: 1.4rem;
  }

  .article-body {
    font-size: 1rem;
    line-height: 1.8;
  }

  .article-pager {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

  .section-title {
    font-size: 1.1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 0 24px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .article-main {
    padding-bottom: 48px;
  }

  .related-section {
    margin-top: 40px;
  }
}

@media (max-width: 520px) {
  .search-btn {
    width: 40px;
    padding: 0;
    font-size: 0;
    background: var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='M21 21l-4.3-4.3'/%3E%3C/svg%3E") center/18px no-repeat;
    border-radius: var(--radius-sm);
  }

  .logo-badge {
    font-size: 0.64rem;
    padding: 0 8px;
  }

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

/* roulang page: category1 */
:root {
  --primary: #2563EB;
  --primary-hover: #3B7BFF;
  --primary-lighter: #EFF6FF;
  --primary-border: #BFDBFE;
  --accent: #F97316;
  --accent-lighter: #FFF7ED;
  --success: #10B981;
  --text-title: #182033;
  --text-body: #2E3A4F;
  --text-meta: #576175;
  --text-light: #8A99B4;
  --bg-body: #F4F7FB;
  --bg-card: #FFFFFF;
  --border-soft: #E6EDF7;
  --border-strong: #DDE6F5;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-badge: 999px;
  --shadow-card: 0 2px 12px rgba(23, 58, 122, 0.08);
  --shadow-hover: 0 14px 32px rgba(23, 58, 122, 0.14);
  --shadow-nav: 0 4px 24px rgba(23, 58, 122, 0.08);
  --transition: 0.2s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
h1, h2, h3, h4 { margin: 0; color: var(--text-title); line-height: 1.25; }
p { margin: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.section { padding: 88px 0; }
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
}
.section-head h2 { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-lighter);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-badge);
}
.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

/* Top Bar */
.top-bar {
  background: #F0F5FB;
  border-bottom: 1px solid var(--border-soft);
  font-size: 13px;
  color: var(--text-meta);
}
.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
}
.top-bar-left { display: flex; align-items: center; gap: 8px; }
.top-bar-left .greeting { color: var(--text-body); font-weight: 500; }
.top-bar-right { display: flex; align-items: center; gap: 0; }
.top-bar-right a {
  color: var(--text-meta);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.top-bar-right a:hover { color: var(--primary); background: var(--primary-lighter); }

/* Header */
.main-header {
  background: var(--bg-card);
  box-shadow: var(--shadow-nav);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 76px;
  position: relative;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  text-decoration: none;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-title);
  letter-spacing: -0.01em;
}
.logo-badge {
  background: var(--success);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 6px;
  vertical-align: middle;
  letter-spacing: 0.05em;
}
.search-box {
  flex: 1;
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  height: 46px;
  padding: 0 6px 0 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.18);
}
.search-box .search-icon { flex-shrink: 0; color: #64748B; }
.search-box input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  font-size: 14px;
  background: transparent;
  color: var(--text-body);
  height: 100%;
  padding: 0 10px;
}
.search-box input::placeholder { color: var(--text-light); }
.search-box .search-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  height: 36px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}
.search-box .search-btn:hover { background: var(--primary-hover); box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25); }
.btn-login {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}
.btn-login:hover { background: var(--primary-hover); box-shadow: 0 8px 16px rgba(37, 99, 235, 0.25); transform: translateY(-1px); }
.btn-login:active { transform: scale(0.98); }

/* Nav Toggle (mobile) */
.nav-toggle { display: none; }
.nav-toggle-btn {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid var(--border-soft);
  transition: background 0.2s;
}
.nav-toggle-btn:hover { background: var(--primary-lighter); }
.nav-toggle-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-title);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.mobile-drawer {
  display: none;
  background: #fff;
  border-top: 1px solid var(--border-soft);
  padding: 16px 24px 24px;
}
.drawer-inner { display: flex; flex-direction: column; gap: 8px; }
.drawer-inner a {
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  border-radius: 10px;
  transition: background 0.2s, color 0.2s;
}
.drawer-inner a:hover { background: var(--primary-lighter); color: var(--primary); }
.drawer-inner .drawer-login { margin-top: 8px; text-align: center; background: var(--primary); color: #fff; }
.drawer-inner .drawer-login:hover { background: var(--primary-hover); color: #fff; }
.drawer-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-meta);
  background: var(--primary-lighter);
  cursor: pointer;
}

/* Category Nav */
.category-nav {
  background: #fff;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.category-nav .container {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-top: 8px;
  padding-bottom: 8px;
  scrollbar-width: thin;
}
.category-nav a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-badge);
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}
.category-nav a:hover { background: var(--primary-lighter); color: var(--primary); }
.category-nav a.active {
  color: var(--primary);
  background: var(--primary-lighter);
  font-weight: 600;
}
.category-nav a.active::after {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
  margin: 2px auto 0;
}

/* Page Head */
.page-head {
  background: linear-gradient(180deg, var(--primary-lighter) 0%, #fff 100%);
  border-bottom: 1px solid var(--border-soft);
  padding: 52px 0 44px;
}
.page-head-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.breadcrumb a { color: var(--text-meta); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--text-light); }
.page-title {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.page-desc { font-size: 15px; color: var(--text-meta); }
.page-head-search {
  flex-shrink: 0;
  width: 100%;
  max-width: 420px;
  margin: 0;
}

/* News Grid */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.news-card:hover { box-shadow: var(--shadow-hover); border-color: var(--primary-border); }
.news-cover-wrap { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
.news-cover { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .news-cover { transform: scale(1.02); }
.news-body { padding: 24px; }
.news-tag-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-lighter);
  color: var(--primary);
}
.badge-green {
  background: #E7F8F1;
  color: #0D9668;
}
.badge-green::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}
.badge-orange {
  background: var(--accent-lighter);
  color: var(--accent);
}
.news-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-title);
  transition: color 0.2s;
}
.news-card:hover .news-title { color: var(--primary); }
.news-summary {
  font-size: 14px;
  color: var(--text-meta);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-light);
  border-top: 1px solid var(--border-soft);
  padding-top: 14px;
}
.news-meta .read-link {
  margin-left: auto;
  color: var(--primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.news-meta .read-link:hover { gap: 8px; }

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border-soft);
  background: #fff;
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-meta);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-lighter); }
.pagination a.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}
.pagination a.page-prev, .pagination a.page-next { padding: 0 16px; }
.pagination a.disabled { opacity: 0.5; pointer-events: none; }

/* Features */
.features-section { background: #fff; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--primary-lighter);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.feature-card:hover { box-shadow: var(--shadow-hover); border-color: var(--primary-border); }
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--primary-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}
.feature-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 14px;
  color: var(--text-meta);
  line-height: 1.75;
}

/* Timeline */
.timeline-section { background: var(--bg-body); }
.timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 28px;
  list-style: none;
  border-left: 2px solid var(--border-soft);
}
.timeline-item {
  position: relative;
  padding: 0 0 32px 24px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--primary-lighter);
}
.timeline-date {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-lighter);
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  margin-bottom: 8px;
}
.timeline-text {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.6;
}

/* Notice List */
.notice-section { background: #fff; }
.notice-list {
  display: flex;
  flex-direction: column;
}
.notice-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--border-soft);
  transition: background 0.2s;
}
.notice-item:last-child { border-bottom: none; }
.notice-item:hover { background: #F8FAFD; }
.notice-date {
  font-size: 13px;
  color: var(--text-light);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  width: 56px;
}
.notice-title {
  flex: 1;
  font-size: 15px;
  color: var(--text-body);
  transition: color 0.2s;
}
.notice-item:hover .notice-title { color: var(--primary); }
.notice-arrow {
  color: var(--text-light);
  flex-shrink: 0;
  transition: color 0.2s, transform 0.2s;
}
.notice-item:hover .notice-arrow { color: var(--primary); transform: translateX(4px); }

/* FAQ */
.faq-item {
  display: block;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.faq-item:hover { border-color: var(--primary-border); box-shadow: 0 4px 16px rgba(23, 58, 122, 0.05); }
.faq-summary {
  list-style: none;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}
.faq-summary::-webkit-details-marker { display: none; }
.faq-summary::after {
  content: '+';
  flex-shrink: 0;
  font-size: 24px;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.25s ease;
}
.faq-item[open] .faq-summary::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0 24px 20px;
  background: #F8FAFD;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-body);
}

/* CTA */
.cta-section { padding-top: 40px; }
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #3B82F6 100%);
  border-radius: var(--radius-card);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-content h3 {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}
.cta-content p { color: rgba(255, 255, 255, 0.92); font-size: 15px; }
.btn-cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 32px;
  background: #fff;
  color: var(--primary);
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}
.btn-cta:hover {
  background: var(--primary-lighter);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}
.btn-cta:active { transform: scale(0.98); }

/* Footer */
.footer {
  background: #F0F5FB;
  border-top: 1px solid var(--border-soft);
  padding: 64px 0 28px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-soft);
}
.footer-logo { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.footer-logo .logo-mark {
  width: 32px;
  height: 32px;
  font-size: 17px;
  border-radius: 8px;
}
.footer-logo .logo-text { font-size: 18px; }
.footer-brand-text {
  font-size: 14px;
  color: var(--text-meta);
  line-height: 1.75;
  max-width: 260px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--text-meta);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-light);
}
.footer-bottom-links { display: flex; gap: 16px; }
.footer-bottom-links a { font-size: 13px; color: var(--text-light); transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--primary); }

/* Responsive */
@media (max-width: 1023px) {
  .section { padding: 64px 0; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .page-head-inner { flex-direction: column; align-items: flex-start; }
  .page-head-search { max-width: 100%; }
  .cta-banner { padding: 40px 32px; }
}
@media (max-width: 767px) {
  .section { padding: 48px 0; }
  .top-bar { display: none; }
  .header-wrap { flex-wrap: wrap; height: auto; padding: 12px 16px; gap: 12px; }
  .logo { flex: 1; }
  .nav-toggle-btn { display: flex; }
  .search-box {
    order: 3;
    max-width: 100%;
    width: 100%;
    margin: 0;
  }
  .btn-login { display: none; }
  .nav-toggle:checked ~ .mobile-drawer { display: block; }
  .mobile-drawer { position: relative; }
  .category-nav .container { padding: 8px 16px; }
  .category-nav a { padding: 6px 14px; font-size: 13px; }
  .page-head { padding: 36px 0 28px; }
  .page-title { font-size: 28px; }
  .news-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; align-items: flex-start; padding: 32px 24px; }
  .cta-content h3 { font-size: 22px; }
  .btn-cta { width: 100%; justify-content: center; }
  .pagination a { min-width: 36px; height: 36px; font-size: 13px; }
  .timeline { padding-left: 20px; }
  .timeline-item { padding-left: 18px; }
  .timeline-item::before { left: -26px; width: 10px; height: 10px; }
  .faq-summary { padding: 16px 18px; font-size: 15px; }
  .faq-answer { padding: 0 18px 16px; }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2563EB;
            --primary-hover: #3B7BFF;
            --primary-light: #EFF6FF;
            --primary-border: #BFDBFE;
            --accent: #F97316;
            --accent-light: #FFF7ED;
            --success: #10B981;
            --success-light: #ECFDF5;
            --body-bg: #F4F7FB;
            --card-bg: #FFFFFF;
            --text-heading: #182033;
            --text-body: #2E3A4F;
            --text-aux: #576175;
            --text-disabled: #8A99B4;
            --line: #E6EDF7;
            --border: #DDE6F5;
            --radius-sm: 10px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(23, 58, 122, 0.08);
            --shadow-card-hover: 0 14px 32px rgba(23, 58, 122, 0.14);
            --shadow-nav: 0 4px 24px rgba(23, 58, 122, 0.08);
            --focus-ring: 0 0 0 4px rgba(37, 99, 235, 0.18);
            --container-max: 1200px;
            --transition: all 0.3s ease;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            font-size: 15px;
            line-height: 1.75;
            background: var(--body-bg);
            color: var(--text-body);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

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

        .section {
            padding: 72px 0;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 32px;
        }
        .section-head h2 {
            font-size: 1.625rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.2;
        }
        .section-head p {
            color: var(--text-aux);
            font-size: 0.9375rem;
            margin-top: 6px;
        }
        .section-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }
        .section-link:hover {
            text-decoration: underline;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            font-size: 0.9375rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 8px 16px rgba(37, 99, 235, 0.25);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 4px 8px rgba(37, 99, 235, 0.2);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
        }
        .btn-white:hover {
            background: #f0f4ff;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .btn:focus-visible,
        a:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: var(--shadow-nav);
        }
        .topbar {
            background: #F0F5FB;
            border-bottom: 1px solid var(--line);
            font-size: 0.8125rem;
            color: var(--text-aux);
        }
        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 36px;
        }
        .topbar-links {
            display: flex;
            gap: 20px;
        }
        .topbar-links a {
            color: var(--text-aux);
            text-decoration: none;
        }
        .topbar-links a:hover {
            color: var(--primary);
        }

        .header-main {
            background: #fff;
            padding: 14px 0;
        }
        .header-main-inner {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.2;
        }
        .logo-badge {
            background: var(--success);
            color: #fff;
            font-size: 0.6875rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 999px;
            line-height: 1.4;
            flex-shrink: 0;
        }

        .search-box {
            flex: 1;
            max-width: 560px;
            display: flex;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 0 8px 0 16px;
            height: 46px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: var(--focus-ring);
        }
        .search-icon {
            width: 16px;
            height: 16px;
            color: #64748B;
            margin-right: 10px;
            flex-shrink: 0;
        }
        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.875rem;
            color: var(--text-body);
            min-width: 0;
        }
        .search-box input::placeholder {
            color: var(--text-disabled);
        }
        .search-btn {
            height: 36px;
            padding: 0 20px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .search-btn:hover {
            background: var(--primary-hover);
        }

        .header-login-btn {
            flex-shrink: 0;
            margin-left: auto;
        }

        .category-nav {
            background: #fff;
            border-top: 1px solid var(--line);
        }
        .category-nav-inner {
            display: flex;
            gap: 6px;
            padding: 10px 24px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .category-nav-inner::-webkit-scrollbar {
            display: none;
        }
        .category-nav a {
            display: inline-flex;
            align-items: center;
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-aux);
            text-decoration: none;
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }
        .category-nav a:hover {
            color: var(--primary);
            transform: translateY(-2px);
            background: var(--primary-light);
        }
        .category-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .category-nav a.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary);
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            display: none;
            position: relative;
        }
        .drawer-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: #fff;
            cursor: pointer;
            list-style: none;
            transition: var(--transition);
        }
        .drawer-toggle::-webkit-details-marker {
            display: none;
        }
        .drawer-toggle:hover {
            border-color: var(--primary);
        }
        .drawer-toggle svg {
            width: 22px;
            height: 22px;
            color: var(--text-heading);
        }
        .drawer-panel {
            display: none;
            position: fixed;
            top: 76px;
            right: 16px;
            width: calc(100% - 32px);
            max-width: 340px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 24px;
            z-index: 200;
            flex-direction: column;
            gap: 18px;
            border: 1px solid var(--line);
        }
        .mobile-drawer[open] .drawer-panel {
            display: flex;
        }
        .drawer-search .search-box {
            max-width: 100%;
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .drawer-nav a {
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            transition: var(--transition);
        }
        .drawer-nav a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .drawer-nav a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .drawer-login {
            width: 100%;
        }

        .mobile-search-wrap {
            display: none;
            background: #fff;
            padding-bottom: 14px;
        }
        .mobile-search-box {
            max-width: 100%;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            background: var(--body-bg);
            padding: 18px 0 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--text-aux);
        }
        .breadcrumb-inner a {
            color: var(--text-aux);
        }
        .breadcrumb-inner a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            color: var(--text-disabled);
        }
        .breadcrumb-current {
            color: var(--text-heading);
            font-weight: 500;
        }

        /* ===== 页头 ===== */
        .page-header {
            padding: 48px 0 24px;
            background: linear-gradient(180deg, var(--primary-light) 0%, #FFFFFF 100%);
            border-bottom: 1px solid var(--line);
        }
        .page-header h1 {
            font-size: 1.875rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.2;
        }
        .page-lead {
            margin-top: 8px;
            font-size: 1rem;
            color: var(--text-aux);
        }
        .page-search-box {
            max-width: 520px;
            margin-top: 28px;
        }

        /* ===== 赛事卡片 ===== */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .event-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            padding: 16px;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .event-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary-border);
        }
        .event-card-img {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/10;
            margin-bottom: 14px;
        }
        .event-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .event-card:hover .event-card-img img {
            transform: scale(1.04);
        }
        .event-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3);
        }
        .event-cat {
            display: inline-block;
            align-self: flex-start;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
        }
        .event-card h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .event-card p {
            font-size: 0.875rem;
            color: var(--text-aux);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .event-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--text-disabled);
            border-top: 1px solid var(--line);
            padding-top: 12px;
        }
        .event-card-footer a {
            font-weight: 600;
            font-size: 0.8125rem;
        }

        /* ===== 玩法卡片 ===== */
        .section-features {
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: left;
            transition: var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary-border);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--primary);
        }
        .feature-icon svg {
            width: 26px;
            height: 26px;
        }
        .feature-card h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.875rem;
            color: var(--text-aux);
            line-height: 1.7;
        }

        /* ===== 参与流程 ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-step {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: left;
            transition: var(--transition);
            position: relative;
        }
        .process-step:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary-border);
        }
        .step-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 14px;
            opacity: 0.85;
        }
        .process-step h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.8125rem;
            color: var(--text-aux);
            line-height: 1.65;
        }

        /* ===== 赛事列表 ===== */
        .event-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .event-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 16px;
            transition: var(--transition);
        }
        .event-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary-border);
        }
        .event-list-thumb {
            width: 120px;
            height: 84px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--primary-light);
        }
        .event-list-content {
            flex: 1;
            min-width: 0;
        }
        .event-list-content .badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 6px;
        }
        .event-list-content h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
            transition: var(--transition);
        }
        .event-list-item:hover .event-list-content h3 {
            color: var(--primary);
        }
        .event-list-content p {
            font-size: 0.875rem;
            color: var(--text-aux);
            line-height: 1.6;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            margin-bottom: 6px;
        }
        .event-list-time {
            font-size: 0.75rem;
            color: var(--text-disabled);
        }

        /* ===== 分页器 ===== */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .page-btn,
        .page-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 38px;
            padding: 0 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: #fff;
            font-size: 0.875rem;
            color: var(--text-aux);
            text-decoration: none;
            transition: var(--transition);
            min-width: 38px;
        }
        .page-btn:hover,
        .page-num:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .page-num.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .page-btn.disabled {
            opacity: 0.5;
            pointer-events: none;
        }

        /* ===== FAQ ===== */
        .section-faq {
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-border);
        }
        .faq-item summary {
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.9375rem;
            color: var(--text-heading);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-item summary::after {
            content: "+";
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--primary);
            transition: var(--transition);
            line-height: 1;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-content {
            padding: 0 20px 18px;
            background: #F8FAFD;
            font-size: 0.875rem;
            line-height: 1.75;
            color: var(--text-body);
        }
        .faq-content p {
            padding-top: 14px;
            border-top: 1px solid var(--line);
        }

        /* ===== CTA ===== */
        .section-cta {
            background: var(--body-bg);
        }
        .cta-banner {
            background: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);
            border-radius: var(--radius-lg);
            padding: 52px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -20px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -60px;
            right: 80px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }
        .cta-text {
            position: relative;
            z-index: 1;
        }
        .cta-text h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 10px;
        }
        .cta-text p {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.9);
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
            height: 48px;
            padding: 0 32px;
        }

        /* ===== Footer ===== */
        .footer {
            background: #F0F5FB;
            border-top: 1px solid var(--line);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .footer-logo .logo-mark {
            width: 36px;
            height: 36px;
            font-size: 18px;
        }
        .footer-logo .logo-text {
            font-size: 1.125rem;
        }
        .footer-logo .logo-badge {
            font-size: 0.625rem;
        }
        .footer-brand-text {
            font-size: 0.875rem;
            color: var(--text-aux);
            line-height: 1.75;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.875rem;
            color: var(--text-aux);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--line);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8125rem;
            color: var(--text-aux);
        }
        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom-links a {
            color: var(--text-aux);
            text-decoration: none;
        }
        .footer-bottom-links a:hover {
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .section {
                padding: 64px 0;
            }
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cta-banner {
                padding: 40px 32px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner .btn {
                width: 100%;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .topbar {
                display: none;
            }
            .header-main {
                padding: 12px 0;
            }
            .header-search {
                display: none;
            }
            .header-login-btn {
                display: none;
            }
            .mobile-search-wrap {
                display: block;
            }
            .mobile-drawer {
                display: block;
                margin-left: auto;
            }
            .category-nav-inner {
                padding: 8px 16px;
                gap: 4px;
            }
            .category-nav a {
                padding: 5px 14px;
                font-size: 0.8125rem;
            }
            .page-header {
                padding: 32px 0 20px;
            }
            .page-header h1 {
                font-size: 1.5rem;
            }
            .page-lead {
                font-size: 0.875rem;
            }
            .page-search-box {
                margin-top: 20px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                margin-bottom: 24px;
            }
            .section-head h2 {
                font-size: 1.375rem;
            }
            .event-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .event-list-item {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }
            .event-list-thumb {
                width: 100%;
                height: 140px;
            }
            .cta-banner {
                padding: 32px 24px;
                border-radius: var(--radius-md);
            }
            .cta-text h2 {
                font-size: 1.375rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .pagination {
                gap: 6px;
            }
            .page-btn,
            .page-num {
                height: 34px;
                min-width: 34px;
                padding: 0 10px;
                font-size: 0.8125rem;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 1.125rem;
            }
            .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 18px;
                border-radius: 9px;
            }
            .drawer-panel {
                top: 68px;
                right: 12px;
                width: calc(100% - 24px);
                padding: 20px;
            }
        }