/* roulang page: index */
:root {
        --bg-primary: #0D1117;
        --bg-secondary: #101826;
        --bg-card: #161D2B;
        --bg-light: #F5F7FA;
        --text-primary: #FFFFFF;
        --text-secondary: #B8C1D1;
        --text-muted: #7A8699;
        --text-dark: #111827;
        --text-dark-secondary: #4B5563;
        --accent: #00E5FF;
        --accent-dark: #00C4DB;
        --accent-glow: rgba(0, 229, 255, 0.18);
        --accent-glow-strong: rgba(0, 229, 255, 0.35);
        --amber: #F5B82E;
        --amber-glow: rgba(245, 184, 46, 0.18);
        --coral: #FF6B3D;
        --coral-glow: rgba(255, 107, 61, 0.18);
        --border-dark: rgba(255, 255, 255, 0.08);
        --border-light: rgba(0, 0, 0, 0.06);
        --radius-lg: 18px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --radius-pill: 999px;
        --shadow-dark: 0 12px 30px rgba(0, 0, 0, 0.25);
        --shadow-light: 0 8px 24px rgba(10, 20, 40, 0.08);
        --font-sans: 'PingFang SC', 'HarmonyOS Sans', 'MiSans', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Consolas', 'Monaco', monospace;
        --container-max: 1200px;
        --section-gap: 80px;
        --nav-height: 64px;
        --nav-radius: 24px;
        --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

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

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

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

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

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

    button {
        cursor: pointer;
    }

    ul, ol {
        list-style: none;
    }

    .container {
        width: 100%;
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 20px;
    }

    /* ========== 导航 ========== */
    .site-header {
        position: sticky;
        top: 12px;
        z-index: 1000;
        padding: 8px 16px;
    }

    .nav-shell {
        max-width: var(--container-max);
        margin: 0 auto;
        background: rgba(13, 17, 23, 0.72);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border: 1px solid var(--border-dark);
        border-radius: var(--nav-radius);
        padding: 6px 10px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
        position: relative;
    }

    .site-header.scrolled .nav-shell {
        background: rgba(13, 17, 23, 0.92);
        box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
        border-color: rgba(255, 255, 255, 0.12);
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 700;
        font-size: 1.05rem;
        color: var(--text-primary);
        white-space: nowrap;
        letter-spacing: 0.5px;
    }

    .logo-icon {
        width: 30px;
        height: 30px;
        background: linear-gradient(135deg, var(--accent), var(--amber));
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8rem;
        font-weight: 900;
        color: #0D1117;
        flex-shrink: 0;
    }

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

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

    .nav-link {
        display: inline-flex;
        align-items: center;
        padding: 8px 16px;
        border-radius: var(--radius-pill);
        font-size: 0.88rem;
        font-weight: 500;
        color: var(--text-secondary);
        transition: background var(--transition-fast), color var(--transition-fast);
        white-space: nowrap;
        position: relative;
        letter-spacing: 0.3px;
    }

    .nav-link:hover {
        color: var(--text-primary);
        background: rgba(255, 255, 255, 0.06);
    }

    .nav-link.active {
        color: #0D1117;
        background: var(--accent);
        font-weight: 600;
    }

    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 18px;
        height: 2px;
        background: #0D1117;
        border-radius: 2px;
    }

    .nav-cta {
        padding: 9px 20px;
        border-radius: var(--radius-pill);
        background: var(--accent);
        color: #0D1117;
        font-weight: 600;
        font-size: 0.88rem;
        white-space: nowrap;
        transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
        border: none;
        letter-spacing: 0.3px;
    }

    .nav-cta:hover {
        background: var(--accent-dark);
        color: #0D1117;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
    }

    .nav-cta:focus-visible,
    .nav-link:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 3px;
    }

    .hamburger {
        display: none;
        background: transparent;
        border: none;
        width: 40px;
        height: 40px;
        border-radius: 10px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        transition: background var(--transition-fast);
    }

    .hamburger:hover {
        background: rgba(255, 255, 255, 0.06);
    }

    .hamburger span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: transform var(--transition-fast), opacity var(--transition-fast);
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-menu {
        display: none;
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        background: rgba(13, 17, 23, 0.96);
        backdrop-filter: blur(18px);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-lg);
        padding: 16px;
        flex-direction: column;
        gap: 4px;
        box-shadow: var(--shadow-dark);
    }

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

    .mobile-menu .nav-link {
        width: 100%;
        text-align: left;
        padding: 12px 16px;
        font-size: 1rem;
    }
    .mobile-menu .nav-cta {
        margin-top: 8px;
        text-align: center;
    }

    /* ========== Hero ========== */
    .hero {
        position: relative;
        padding: 40px 0 60px;
        background: linear-gradient(rgba(13, 17, 23, 0.68), rgba(13, 17, 23, 0.82)), url('/assets/images/317fb4285e18875a.jpg') center/cover no-repeat;
        background-attachment: fixed;
        min-height: 420px;
        display: flex;
        align-items: center;
        overflow: hidden;
        border-bottom: 1px solid var(--border-dark);
    }

    .hero::after {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 30% 50%, rgba(0, 229, 255, 0.08), transparent 60%);
        pointer-events: none;
    }

    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 700px;
    }

    .hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        border-radius: var(--radius-pill);
        background: rgba(0, 229, 255, 0.1);
        border: 1px solid rgba(0, 229, 255, 0.3);
        color: var(--accent);
        font-size: 0.82rem;
        font-weight: 500;
        margin-bottom: 18px;
        letter-spacing: 0.5px;
    }

    .hero-tag::before {
        content: '';
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--accent);
        box-shadow: 0 0 10px var(--accent);
        animation: pulse-dot 2s infinite;
    }

    @keyframes pulse-dot {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.5; transform: scale(1.5); }
    }

    .hero h1 {
        font-size: clamp(2rem, 5vw, 3.1rem);
        font-weight: 700;
        line-height: 1.25;
        margin-bottom: 18px;
        letter-spacing: -0.5px;
        color: var(--text-primary);
    }

    .hero h1 .highlight {
        color: var(--accent);
    }

    .hero-description {
        font-size: 1.05rem;
        color: var(--text-secondary);
        line-height: 1.85;
        margin-bottom: 28px;
        max-width: 580px;
    }

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

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 26px;
        border-radius: var(--radius-pill);
        font-size: 0.95rem;
        font-weight: 600;
        transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
        letter-spacing: 0.4px;
        line-height: 1.2;
    }

    .btn-primary {
        background: var(--accent);
        color: #0D1117;
        border: 2px solid var(--accent);
    }

    .btn-primary:hover {
        background: var(--accent-dark);
        border-color: var(--accent-dark);
        color: #0D1117;
        transform: translateY(-4px);
        box-shadow: 0 0 0 4px var(--accent-glow), 0 10px 30px rgba(0, 229, 255, 0.25);
    }

    .btn-secondary {
        background: transparent;
        color: var(--text-primary);
        border: 2px solid var(--border-dark);
    }

    .btn-secondary:hover {
        background: rgba(0, 229, 255, 0.08);
        border-color: var(--accent-glow);
        color: var(--accent);
        transform: translateY(-4px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    }

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

    .btn-sm {
        padding: 8px 16px;
        font-size: 0.82rem;
    }

    .hero-data-row {
        display: flex;
        gap: 28px;
        flex-wrap: wrap;
        margin-top: 26px;
    }

    .hero-data-item {
        text-align: left;
    }

    .hero-data-item .number {
        font-family: var(--font-mono);
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--amber);
        line-height: 1.3;
    }
    .hero-data-item .label {
        font-size: 0.78rem;
        color: var(--text-muted);
    }

    /* ========== 通用板块 ========== */
    main {
        display: block;
    }

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

    section.light-section {
        background: var(--bg-light);
        color: var(--text-dark);
    }

    section.light-section .section-subtitle {
        color: var(--text-dark-secondary);
    }
    section.light-section .section-title {
        color: var(--text-dark);
    }

    .section-header {
        margin-bottom: 40px;
        max-width: 680px;
    }
    .section-header.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }

    .section-tag {
        display: inline-flex;
        padding: 5px 14px;
        border-radius: var(--radius-pill);
        font-size: 0.78rem;
        font-weight: 600;
        letter-spacing: 0.6px;
        text-transform: uppercase;
        margin-bottom: 14px;
        background: rgba(0, 229, 255, 0.1);
        color: var(--accent);
        border: 1px solid rgba(0, 229, 255, 0.25);
    }

    .light-section .section-tag {
        background: rgba(0, 196, 219, 0.08);
        color: var(--accent-dark);
        border-color: rgba(0, 196, 219, 0.3);
    }

    .section-title {
        font-size: clamp(1.6rem, 3.5vw, 2.3rem);
        font-weight: 700;
        line-height: 1.3;
        color: var(--text-primary);
        margin-bottom: 14px;
        letter-spacing: -0.3px;
    }

    .section-subtitle {
        font-size: 0.98rem;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    .grid {
        display: grid;
        gap: 24px;
    }

    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }

    .card {
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-lg);
        padding: 24px 22px;
        transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
        position: relative;
        overflow: hidden;
    }

    .card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-dark);
        border-color: rgba(0, 229, 255, 0.3);
    }

    .light-section .card {
        background: #FFFFFF;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-light);
    }
    .light-section .card:hover {
        box-shadow: 0 12px 32px rgba(10, 20, 40, 0.12);
        border-color: rgba(0, 196, 219, 0.4);
    }

    .card-image {
        width: 100%;
        aspect-ratio: 16/9;
        object-fit: cover;
        border-radius: var(--radius-md);
        margin-bottom: 16px;
    }

    .card-title {
        font-size: 1.08rem;
        font-weight: 600;
        margin-bottom: 10px;
        line-height: 1.4;
        color: var(--text-primary);
    }
    .light-section .card-title {
        color: var(--text-dark);
    }

    .card-text {
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.75;
        margin-bottom: 14px;
    }
    .light-section .card-text {
        color: var(--text-dark-secondary);
    }

    .card-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.8rem;
        color: var(--text-muted);
        flex-wrap: wrap;
    }

    .badge {
        display: inline-flex;
        align-items: center;
        padding: 4px 12px;
        border-radius: var(--radius-pill);
        font-size: 0.75rem;
        font-weight: 500;
        letter-spacing: 0.3px;
        white-space: nowrap;
    }
    .badge-cyan {
        background: rgba(0, 229, 255, 0.12);
        color: var(--accent);
        border: 1px solid rgba(0, 229, 255, 0.25);
    }
    .badge-amber {
        background: rgba(245, 184, 46, 0.12);
        color: var(--amber);
        border: 1px solid rgba(245, 184, 46, 0.25);
    }
    .badge-coral {
        background: rgba(255, 107, 61, 0.12);
        color: var(--coral);
        border: 1px solid rgba(255, 107, 61, 0.25);
    }
    .badge-muted {
        background: rgba(255, 255, 255, 0.06);
        color: var(--text-muted);
        border: 1px solid var(--border-dark);
    }

    .divider {
        height: 1px;
        background: var(--border-dark);
        margin: 0;
    }
    .light-section .divider {
        background: var(--border-light);
    }

    /* ========== 赛事热讯条 ========== */
    .signal-ticker {
        padding: 16px 0;
        border-bottom: 1px solid var(--border-dark);
        background: rgba(16, 24, 38, 0.6);
    }
    .signal-track {
        display: flex;
        gap: 14px;
        overflow-x: auto;
        padding: 6px 0;
        scrollbar-width: thin;
        scrollbar-color: var(--accent) transparent;
    }
    .signal-track::-webkit-scrollbar {
        height: 4px;
    }
    .signal-track::-webkit-scrollbar-thumb {
        background: var(--accent);
        border-radius: 4px;
    }
    .signal-item {
        flex-shrink: 0;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 8px 16px;
        border-radius: var(--radius-pill);
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border-dark);
        font-size: 0.82rem;
        color: var(--text-secondary);
        white-space: nowrap;
        transition: border-color var(--transition-fast);
    }
    .signal-item:hover {
        border-color: var(--accent-glow);
    }
    .signal-dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--coral);
        animation: pulse-dot 1.5s infinite;
    }
    .signal-item strong {
        color: var(--text-primary);
        font-weight: 600;
    }
    .signal-item .hot {
        color: var(--amber);
        font-weight: 600;
        font-family: var(--font-mono);
    }

    /* ========== 痛点方案对照 ========== */
    .pain-solution {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .pain-col, .solution-col {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .pain-col .card, .solution-col .card {
        padding: 16px 18px;
        border-radius: var(--radius-md);
    }
    .pain-col .card {
        border-left: 3px solid var(--coral);
    }
    .solution-col .card {
        border-left: 3px solid var(--accent);
    }
    .pain-col .card-text,
    .solution-col .card-text {
        margin-bottom: 0;
    }

    /* ========== 玩法标签 ========== */
    .play-types {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
    }
    .play-type-tag {
        padding: 10px 22px;
        border-radius: var(--radius-pill);
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-secondary);
        transition: all var(--transition-fast);
    }
    .play-type-tag:hover {
        background: rgba(0, 229, 255, 0.08);
        border-color: var(--accent-glow);
        color: var(--accent);
        transform: translateY(-2px);
    }

    /* ========== 步骤时间轴 ========== */
    .steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .step-item {
        text-align: center;
        padding: 20px 16px;
        position: relative;
    }
    .step-number {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--accent);
        color: #0D1117;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 1.1rem;
        margin: 0 auto 14px;
        font-family: var(--font-mono);
    }
    .step-title {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 8px;
        color: var(--text-primary);
    }
    .step-text {
        font-size: 0.85rem;
        color: var(--text-secondary);
        line-height: 1.7;
    }
    .light-section .step-title {
        color: var(--text-dark);
    }
    .light-section .step-text {
        color: var(--text-dark-secondary);
    }

    /* ========== 资讯列表 ========== */
    .news-list {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .news-item {
        display: flex;
        gap: 20px;
        align-items: flex-start;
        padding: 18px 20px;
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-md);
        transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .news-item:hover {
        transform: translateX(6px);
        border-color: rgba(0, 229, 255, 0.3);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    }
    .light-section .news-item {
        background: #FFFFFF;
        border-color: var(--border-light);
    }
    .news-date {
        flex-shrink: 0;
        min-width: 80px;
        text-align: center;
        padding: 6px 10px;
        border-radius: var(--radius-sm);
        background: rgba(0, 229, 255, 0.08);
        font-family: var(--font-mono);
        font-size: 0.78rem;
        color: var(--accent);
        font-weight: 600;
    }
    .news-body {
        flex: 1;
    }
    .news-title {
        font-size: 0.98rem;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 6px;
        line-height: 1.5;
    }
    .light-section .news-title {
        color: var(--text-dark);
    }
    .news-excerpt {
        font-size: 0.86rem;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 10px;
    }
    .light-section .news-excerpt {
        color: var(--text-dark-secondary);
    }
    .news-readmore {
        font-size: 0.82rem;
        color: var(--accent);
        font-weight: 500;
    }
    .news-readmore:hover {
        color: var(--accent-dark);
    }

    /* ========== KPI ========== */
    .kpi-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .kpi-item {
        text-align: center;
        padding: 26px 18px;
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-lg);
        transition: transform var(--transition-fast), border-color var(--transition-fast);
    }
    .kpi-item:hover {
        transform: translateY(-4px);
        border-color: var(--accent-glow);
    }
    .kpi-number {
        font-family: var(--font-mono);
        font-size: 2.2rem;
        font-weight: 700;
        color: var(--accent);
        line-height: 1.2;
    }
    .kpi-label {
        font-size: 0.82rem;
        color: var(--text-muted);
        margin-top: 8px;
    }

    /* ========== 证言 ========== */
    .testimonial-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 22px;
    }
    .testimonial-card {
        text-align: left;
        padding: 24px;
    }
    .testimonial-avatar {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--accent), var(--amber));
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 1.1rem;
        color: #0D1117;
        margin-bottom: 14px;
    }
    .testimonial-text {
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.75;
        margin-bottom: 12px;
    }
    .light-section .testimonial-text {
        color: var(--text-dark-secondary);
    }
    .testimonial-name {
        font-size: 0.88rem;
        font-weight: 600;
        color: var(--text-primary);
    }
    .light-section .testimonial-name {
        color: var(--text-dark);
    }
    .testimonial-role {
        font-size: 0.78rem;
        color: var(--text-muted);
    }

    /* ========== 适用人群 ========== */
    .audience-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .audience-item {
        text-align: center;
        padding: 26px 16px;
        border-radius: var(--radius-lg);
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        transition: transform var(--transition-fast), border-color var(--transition-fast);
    }
    .audience-item:hover {
        transform: translateY(-4px);
        border-color: var(--amber-glow);
    }
    .audience-icon {
        font-size: 2rem;
        margin-bottom: 12px;
    }
    .audience-title {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 8px;
        color: var(--text-primary);
    }
    .audience-text {
        font-size: 0.82rem;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    /* ========== 品牌介绍 ========== */
    .brand-intro {
        padding: 40px 44px;
        border-radius: var(--radius-lg);
        background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(245, 184, 46, 0.04));
        border: 1px solid var(--border-dark);
    }
    .brand-intro p {
        font-size: 0.95rem;
        color: var(--text-secondary);
        line-height: 1.9;
        margin-bottom: 12px;
    }
    .brand-intro p:last-child {
        margin-bottom: 0;
    }
    .light-section .brand-intro {
        background: #FFFFFF;
        border-color: var(--border-light);
    }
    .light-section .brand-intro p {
        color: var(--text-dark-secondary);
    }

    /* ========== 风险提示 ========== */
    .risk-strip {
        padding: 20px 24px;
        border-radius: var(--radius-md);
        background: rgba(255, 107, 61, 0.1);
        border: 1px solid rgba(255, 107, 61, 0.3);
        display: flex;
        align-items: center;
        gap: 14px;
    }
    .risk-strip .icon {
        font-size: 1.4rem;
    }
    .risk-strip p {
        font-size: 0.88rem;
        color: var(--coral);
        line-height: 1.7;
        font-weight: 500;
    }

    /* ========== 数据说明表格 ========== */
    .data-table {
        width: 100%;
        border-collapse: collapse;
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border-dark);
    }
    .data-table th,
    .data-table td {
        padding: 14px 18px;
        text-align: left;
        font-size: 0.88rem;
        border-bottom: 1px solid var(--border-dark);
    }
    .data-table th {
        background: rgba(0, 229, 255, 0.08);
        color: var(--accent);
        font-weight: 600;
        letter-spacing: 0.5px;
    }
    .data-table td {
        color: var(--text-secondary);
    }
    .data-table tr:last-child td {
        border-bottom: none;
    }
    .data-table .mono {
        font-family: var(--font-mono);
        color: var(--amber);
        font-weight: 600;
    }

    /* ========== FAQ ========== */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
        max-width: 760px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: border-color var(--transition-fast);
    }
    .faq-item.active {
        border-color: var(--accent-glow);
    }
    .light-section .faq-item {
        background: #FFFFFF;
        border-color: var(--border-light);
    }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 16px 20px;
        background: transparent;
        border: none;
        color: var(--text-primary);
        font-size: 0.96rem;
        font-weight: 600;
        line-height: 1.5;
        text-align: left;
        cursor: pointer;
        transition: background var(--transition-fast);
    }
    .light-section .faq-question {
        color: var(--text-dark);
    }
    .faq-question:hover {
        background: rgba(255, 255, 255, 0.04);
    }
    .light-section .faq-question:hover {
        background: rgba(0, 0, 0, 0.03);
    }
    .faq-icon {
        flex-shrink: 0;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: rgba(0, 229, 255, 0.12);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        font-weight: 700;
        transition: transform var(--transition-base);
    }
    .faq-item.active .faq-icon {
        transform: rotate(180deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.24s cubic-bezier(0.4, 0, 0.2, 1), padding 0.24s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 0 20px;
        color: var(--text-secondary);
        font-size: 0.88rem;
        line-height: 1.8;
    }
    .light-section .faq-answer {
        color: var(--text-dark-secondary);
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
        padding: 0 20px 16px;
    }

    /* ========== CTA ========== */
    .cta-section {
        text-align: center;
        padding: 52px 24px;
        border-radius: var(--radius-lg);
        background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(245, 184, 46, 0.05));
        border: 1px solid var(--border-dark);
    }
    .cta-title {
        font-size: 1.8rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 12px;
        letter-spacing: -0.3px;
    }
    .cta-text {
        font-size: 0.95rem;
        color: var(--text-secondary);
        margin-bottom: 24px;
    }
    .cta-form {
        display: flex;
        gap: 12px;
        max-width: 480px;
        margin: 0 auto;
        flex-wrap: wrap;
        justify-content: center;
    }
    .cta-form input {
        flex: 1;
        min-width: 220px;
        height: 48px;
        padding: 0 18px;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-dark);
        background: rgba(255, 255, 255, 0.04);
        color: var(--text-primary);
        font-size: 0.9rem;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .cta-form input::placeholder {
        color: var(--text-muted);
    }
    .cta-form input:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px var(--accent-glow);
        outline: none;
    }
    .cta-form .btn {
        height: 48px;
        padding: 0 28px;
        white-space: nowrap;
    }

    /* ========== Footer ========== */
    .site-footer {
        background: #0A0E14;
        border-top: 1px solid var(--border-dark);
        padding: 48px 0 24px;
        margin-top: 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    .footer-brand {
        color: var(--text-primary);
        font-weight: 700;
        font-size: 1.1rem;
        letter-spacing: 0.5px;
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
    }
    .footer-brand .logo-icon {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }
    .footer-desc {
        font-size: 0.82rem;
        color: var(--text-muted);
        line-height: 1.8;
        margin-bottom: 14px;
    }
    .footer-title {
        font-size: 0.88rem;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 14px;
        letter-spacing: 0.4px;
    }
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-links a {
        font-size: 0.84rem;
        color: var(--text-secondary);
        transition: color var(--transition-fast);
    }
    .footer-links a:hover {
        color: var(--accent);
    }
    .footer-bottom {
        border-top: 1px solid var(--border-dark);
        padding-top: 18px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    .footer-bottom a {
        color: var(--text-muted);
        font-size: 0.8rem;
    }
    .footer-bottom a:hover {
        color: var(--accent);
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
        .grid-4 { grid-template-columns: repeat(2, 1fr); }
        .steps { grid-template-columns: repeat(2, 1fr); }
        .kpi-grid { grid-template-columns: repeat(2, 1fr); }
        .audience-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
        :root {
            --section-gap: 56px;
        }
        .nav-menu {
            display: none;
        }
        .hamburger {
            display: flex;
        }
        .nav-cta.desktop-cta {
            display: none;
        }
        .hero {
            background-attachment: scroll;
            padding: 32px 0 48px;
            min-height: 380px;
        }
        .grid-3 { grid-template-columns: repeat(2, 1fr); }
        .pain-solution {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .testimonial-grid { grid-template-columns: 1fr; }
        .steps { grid-template-columns: 1fr; }
        .news-item { flex-direction: column; gap: 10px; }
        .news-date { min-width: auto; }
        .kpi-grid { grid-template-columns: repeat(2, 1fr); }
        .cta-form { flex-direction: column; }
        .cta-form input { min-width: 100%; }
    }

    @media (max-width: 520px) {
        .grid-2 { grid-template-columns: 1fr; }
        .grid-3 { grid-template-columns: 1fr; }
        .grid-4 { grid-template-columns: 1fr; }
        .audience-grid { grid-template-columns: 1fr; }
        .kpi-grid { grid-template-columns: 1fr 1fr; }
        .footer-grid { grid-template-columns: 1fr; }
        .hero h1 { font-size: 1.8rem; }
        .hero-actions { flex-direction: column; align-items: stretch; }
        .hero-actions .btn { width: 100%; }
        .section-title { font-size: 1.5rem; }
        .brand-intro { padding: 24px 18px; }
        .data-table { font-size: 0.78rem; }
        .data-table th, .data-table td { padding: 10px 12px; }
    }

/* roulang page: category2 */
:root {
  --bg-primary: #0D1117;
  --bg-secondary: #101826;
  --bg-card: #161D2B;
  --bg-light: #F5F7FA;
  --text-primary: #FFFFFF;
  --text-secondary: #B8C1D1;
  --text-muted: #7A8699;
  --text-dark: #111827;
  --text-dark-secondary: #4B5563;
  --accent: #00E5FF;
  --accent-dark: #00C4DB;
  --accent-glow: rgba(0, 229, 255, 0.18);
  --accent-glow-strong: rgba(0, 229, 255, 0.35);
  --amber: #F5B82E;
  --amber-glow: rgba(245, 184, 46, 0.18);
  --coral: #FF6B3D;
  --coral-glow: rgba(255, 107, 61, 0.18);
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-light: rgba(0, 0, 0, 0.06);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-dark: 0 12px 30px rgba(0, 0, 0, 0.25);
  --shadow-light: 0 8px 24px rgba(10, 20, 40, 0.08);
  --font-sans: 'PingFang SC', 'HarmonyOS Sans', 'MiSans', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Consolas', 'Monaco', monospace;
  --container-max: 1200px;
  --section-gap: 56px;
  --nav-height: 64px;
  --nav-radius: 24px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  margin: 0;
}

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

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

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

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

button {
  cursor: pointer;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

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

/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 12px;
  z-index: 1000;
  padding: 8px 16px;
}

.nav-shell {
  max-width: var(--container-max);
  margin: 0 auto;
  background: rgba(13, 17, 23, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-dark);
  border-radius: var(--nav-radius);
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
  position: relative;
}

.site-header.scrolled .nav-shell {
  background: rgba(13, 17, 23, 0.92);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  border-color: rgba(255, 255, 255, 0.12);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.logo-icon {
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--accent), var(--amber));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 900;
  color: #0D1117;
  flex-shrink: 0;
}

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

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

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
  position: relative;
  letter-spacing: 0.3px;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
  color: #0D1117;
  background: var(--accent);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: #0D1117;
  border-radius: 2px;
}

.nav-cta {
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #0D1117;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  border: none;
  letter-spacing: 0.3px;
}

.nav-cta:hover {
  background: var(--accent-dark);
  color: #0D1117;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
}

.nav-cta:focus-visible,
.nav-link:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.06);
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  max-width: var(--container-max);
  margin: 8px auto 0;
  background: rgba(13, 17, 23, 0.96);
  border: 1px solid var(--border-dark);
  border-radius: 18px;
  padding: 16px;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

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

.mobile-menu .nav-link {
  width: 100%;
  text-align: left;
  font-size: 1rem;
  padding: 12px 16px;
}

.mobile-menu .nav-cta {
  width: 100%;
  margin-top: 8px;
  padding: 14px 20px;
  text-align: center;
}

/* ========== 面包屑 ========== */
.breadcrumb-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-dark);
  padding: 16px 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.breadcrumb .sep {
  color: var(--text-muted);
  user-select: none;
}

.breadcrumb .current {
  color: var(--accent);
  font-weight: 500;
}

/* ========== 分类页头 ========== */
.category-head {
  position: relative;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-dark);
  padding: 56px 0 64px;
  overflow: hidden;
}

.category-head::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('/assets/images/317fb4285e18875a.jpg') center/cover no-repeat;
  opacity: 0.14;
  pointer-events: none;
}

.category-head .container {
  position: relative;
  z-index: 1;
}

.category-head-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}

.category-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.category-head h1 {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.category-head p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.85;
}

.category-stats {
  display: flex;
  gap: 32px;
  flex-shrink: 0;
}

.category-stat {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  min-width: 110px;
}

.category-stat .num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  line-height: 1.2;
}

.category-stat .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-top: 4px;
}

/* ========== 板块通用 ========== */
.section {
  padding: var(--section-gap) 0;
}

.section-dark {
  background: var(--bg-primary);
}

.section-alt {
  background: var(--bg-secondary);
}

.section-light {
  background: var(--bg-light);
  color: var(--text-dark);
}

.section-light .section-title {
  color: var(--text-dark);
}

.section-light .section-subtitle {
  color: var(--text-dark-secondary);
}

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

.section-title {
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  margin-bottom: 10px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 680px;
}

.section-header .section-tag {
  display: inline-flex;
  align-items: center;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

/* ========== 攻略卡片列表 ========== */
.strategy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.strategy-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-dark);
  transition: transform var(--transition-base), border-color var(--transition-fast), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.strategy-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.35);
}

.strategy-card-img {
  aspect-ratio: 16/9;
  width: 100%;
  overflow: hidden;
  background: var(--bg-secondary);
  position: relative;
}

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

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

.strategy-card-body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.strategy-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.strategy-tag {
  display: inline-block;
  background: var(--amber-glow);
  color: var(--amber);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.3px;
}

.strategy-card .date {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.strategy-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.2px;
}

.strategy-card .excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 16px;
}

.strategy-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.strategy-card .read-more:hover {
  color: var(--accent-dark);
}

.strategy-card .read-more .arrow {
  transition: transform var(--transition-fast);
}

.strategy-card .read-more:hover .arrow {
  transform: translateX(4px);
}

/* ========== 新手步骤 ========== */
.steps-horizontal {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: transform var(--transition-base), border-color var(--transition-fast);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.25);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent-glow-strong);
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== 术语胶囊 ========== */
.term-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.term-pill {
  display: inline-flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  cursor: default;
}

.term-pill:hover {
  background: var(--accent-glow);
  border-color: rgba(0, 229, 255, 0.3);
  color: var(--accent);
}

/* ========== 风险控制 ========== */
.risk-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.risk-item {
  background: var(--bg-card);
  border: 1px solid var(--coral-glow);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: border-color var(--transition-fast);
}

.risk-item:hover {
  border-color: rgba(255, 107, 61, 0.35);
}

.risk-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--coral-glow);
  border-radius: var(--radius-sm);
  color: var(--coral);
}

.risk-item h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.risk-item p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ========== 工具推荐 ========== */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tool-card {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.tool-card .tool-icon {
  font-size: 1.6rem;
  margin-bottom: 14px;
  display: block;
}

.tool-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.tool-card p {
  font-size: 0.85rem;
  color: var(--text-dark-secondary);
  line-height: 1.7;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(0, 229, 255, 0.2);
}

.faq-item.open {
  border-color: rgba(0, 229, 255, 0.35);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: transform var(--transition-base);
  font-size: 1.2rem;
}

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

.faq-answer {
  max-height: 0;
  padding: 0 22px;
  overflow: hidden;
  transition: max-height 0.24s cubic-bezier(0.4, 0, 0.2, 1), padding 0.24s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.8;
}

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

/* ========== CTA 订阅 ========== */
.cta-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('/assets/images/0b6f7eb3b331babd.jpg') center/cover no-repeat;
  opacity: 0.08;
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}

.cta-inner h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.cta-inner p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.subscribe-form {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.subscribe-form input {
  width: 280px;
  height: 46px;
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 0 20px;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.subscribe-form input::placeholder {
  color: var(--text-muted);
}

.subscribe-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.subscribe-form button {
  height: 46px;
  padding: 0 26px;
  background: var(--accent);
  color: #0D1117;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-pill);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.subscribe-form button:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 229, 255, 0.3);
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-dark);
  padding: 48px 0 28px;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 300px;
}

.footer-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

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

.footer-bottom a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .strategy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-horizontal {
    grid-template-columns: repeat(2, 1fr);
  }
  .risk-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .category-stats {
    flex-direction: column;
    gap: 12px;
  }
  .category-head-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .category-stats {
    flex-direction: row;
  }
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .subscribe-form input {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .desktop-cta {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .category-head h1 {
    font-size: 1.8rem;
  }
  .section-title {
    font-size: 1.35rem;
  }
  .strategy-grid {
    grid-template-columns: 1fr;
  }
  .steps-horizontal {
    grid-template-columns: 1fr;
  }
  .risk-list {
    grid-template-columns: 1fr;
  }
  .tool-grid {
    grid-template-columns: 1fr;
  }
  .category-stats {
    flex-wrap: wrap;
    gap: 10px;
  }
  .category-stat {
    min-width: 80px;
    padding: 14px 16px;
  }
  .category-stat .num {
    font-size: 1.3rem;
  }
  .subscribe-form {
    flex-direction: column;
    width: 100%;
  }
  .subscribe-form input {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  :root {
    --section-gap: 40px;
    --nav-radius: 18px;
  }
  .site-header {
    top: 8px;
    padding: 6px 8px;
  }
  .logo {
    font-size: 0.95rem;
  }
  .category-head {
    padding: 36px 0 40px;
  }
  .category-head h1 {
    font-size: 1.5rem;
  }
  .category-head p {
    font-size: 0.9rem;
  }
  .strategy-card-body {
    padding: 16px 18px 20px;
  }
  .strategy-card h3 {
    font-size: 0.95rem;
  }
  .section-header {
    margin-bottom: 28px;
  }
  .cta-section {
    padding: 36px 0;
  }
  .cta-inner h2 {
    font-size: 1.25rem;
  }
}

/* roulang page: category1 */
:root {
            --bg-primary: #0D1117;
            --bg-secondary: #101826;
            --bg-card: #161D2B;
            --bg-light: #F5F7FA;
            --text-primary: #FFFFFF;
            --text-secondary: #B8C1D1;
            --text-muted: #7A8699;
            --text-dark: #111827;
            --text-dark-secondary: #4B5563;
            --accent: #00E5FF;
            --accent-dark: #00C4DB;
            --accent-glow: rgba(0, 229, 255, 0.18);
            --accent-glow-strong: rgba(0, 229, 255, 0.35);
            --amber: #F5B82E;
            --amber-glow: rgba(245, 184, 46, 0.18);
            --coral: #FF6B3D;
            --coral-glow: rgba(255, 107, 61, 0.18);
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(0, 0, 0, 0.06);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-dark: 0 12px 30px rgba(0, 0, 0, 0.25);
            --shadow-light: 0 8px 24px rgba(10, 20, 40, 0.08);
            --font-sans: 'PingFang SC', 'HarmonyOS Sans', 'MiSans', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Consolas', 'Monaco', monospace;
            --container-max: 1200px;
            --section-gap: 64px;
            --nav-height: 64px;
            --nav-radius: 24px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            margin: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1000;
            padding: 8px 16px;
        }

        .nav-shell {
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(13, 17, 23, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-dark);
            border-radius: var(--nav-radius);
            padding: 6px 10px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
            position: relative;
        }

        .site-header.scrolled .nav-shell {
            background: rgba(13, 17, 23, 0.92);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo-icon {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--accent), var(--amber));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 900;
            color: #0D1117;
            flex-shrink: 0;
        }

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

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #0D1117;
            background: var(--accent);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: #0D1117;
            border-radius: 2px;
        }

        .nav-cta {
            padding: 9px 20px;
            border-radius: var(--radius-pill);
            background: var(--accent);
            color: #0D1117;
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            border: none;
            letter-spacing: 0.3px;
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            color: #0D1117;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-fast);
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 16px;
            background: rgba(13, 17, 23, 0.96);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            margin-top: 8px;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }

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

        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 0.95rem;
        }

        .mobile-menu .nav-cta {
            margin-top: 8px;
            width: 100%;
            text-align: center;
            padding: 12px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-nav .sep {
            color: var(--text-muted);
            opacity: 0.6;
        }

        .breadcrumb-nav .current {
            color: var(--accent);
            font-weight: 500;
        }

        /* ========== 分类页标题区 ========== */
        .cat-hero {
            padding: 40px 0 24px;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-dark);
        }

        .cat-hero-grid {
            display: flex;
            gap: 32px;
            align-items: flex-start;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .cat-hero-content {
            flex: 1;
            min-width: 280px;
        }

        .cat-hero h1 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 12px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .cat-hero-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0;
            line-height: 1.8;
        }

        .cat-hero-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .cat-meta-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .cat-meta-chip .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .cat-meta-chip .dot.amber {
            background: var(--amber);
        }

        .cat-hero-side {
            flex-shrink: 0;
            min-width: 200px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .cat-hero-stat {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .cat-hero-stat .stat-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .cat-hero-stat .stat-icon.cyan {
            background: var(--accent-glow);
            color: var(--accent);
        }

        .cat-hero-stat .stat-icon.amber {
            background: var(--amber-glow);
            color: var(--amber);
        }

        .cat-hero-stat .stat-info {
            display: flex;
            flex-direction: column;
        }

        .cat-hero-stat .stat-value {
            font-family: var(--font-mono);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .cat-hero-stat .stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--bg-secondary);
        }

        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .section-light .section-title {
            color: var(--text-dark);
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0 0 24px;
            line-height: 1.7;
        }

        .section-light .section-subtitle {
            color: var(--text-dark-secondary);
        }

        /* ========== 联赛筛选条 ========== */
        .league-filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .league-filter-btn {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            color: var(--text-secondary);
            font-size: 0.84rem;
            font-weight: 500;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

        .league-filter-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
        }

        .league-filter-btn.active {
            background: var(--accent);
            color: #0D1117;
            border-color: var(--accent);
            font-weight: 600;
        }

        /* ========== 今日焦点赛事横条 ========== */
        .focus-event-card {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-dark);
        }

        .focus-event-left {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .focus-event-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--coral-glow);
            color: var(--coral);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 12px;
            width: fit-content;
        }

        .focus-event-league {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .focus-event-matchup {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            flex-wrap: wrap;
        }

        .focus-event-matchup .vs {
            color: var(--amber);
            font-size: 0.9rem;
            font-weight: 600;
            flex-shrink: 0;
        }

        .focus-event-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 10px;
            line-height: 1.7;
        }

        .focus-event-right {
            background: rgba(255, 255, 255, 0.03);
            border-left: 1px solid var(--border-dark);
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            justify-content: center;
        }

        .focus-metric {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

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

        .focus-metric-value {
            font-family: var(--font-mono);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent);
        }

        .focus-metric-value.amber {
            color: var(--amber);
        }

        .focus-metric-value.coral {
            color: var(--coral);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
            border: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #0D1117;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            color: #0D1117;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border-dark);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

        /* ========== 赛事分析卡片列表 ========== */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .match-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
            display: flex;
            flex-direction: column;
        }

        .match-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-dark);
            border-color: rgba(0, 229, 255, 0.25);
        }

        .match-card-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-secondary);
        }

        .match-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .match-card:hover .match-card-image img {
            transform: scale(1.03);
        }

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

        .match-card-top {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .match-card-tag {
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: var(--accent-glow);
            color: var(--accent);
        }

        .match-card-tag.amber {
            background: var(--amber-glow);
            color: var(--amber);
        }

        .match-card-tag.coral {
            background: var(--coral-glow);
            color: var(--coral);
        }

        .match-card-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
            margin-left: auto;
        }

        .match-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 6px 0 4px;
            line-height: 1.4;
        }

        .match-card-matchup {
            font-size: 0.85rem;
            color: var(--amber);
            font-weight: 600;
            margin-bottom: 6px;
        }

        .match-card-desc {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
        }

        .match-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-dark);
        }

        .match-card-confidence {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .match-card-confidence .conf-bar {
            width: 60px;
            height: 4px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.1);
            overflow: hidden;
        }

        .match-card-confidence .conf-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--amber);
        }

        .read-more-btn {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--accent);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .read-more-btn:hover {
            color: var(--accent-dark);
        }

        /* ========== 胜负分布占比条 ========== */
        .dist-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .dist-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            box-shadow: var(--shadow-light);
        }

        .dist-card-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 14px;
        }

        .dist-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .dist-row-label {
            font-size: 0.8rem;
            color: var(--text-dark-secondary);
            min-width: 72px;
            flex-shrink: 0;
        }

        .dist-row-bar {
            flex: 1;
            height: 8px;
            border-radius: 8px;
            background: rgba(0, 0, 0, 0.06);
            overflow: hidden;
        }

        .dist-row-fill {
            height: 100%;
            border-radius: 8px;
            transition: width var(--transition-slow);
        }

        .dist-row-fill.cyan {
            background: var(--accent);
        }

        .dist-row-fill.amber {
            background: var(--amber);
        }

        .dist-row-fill.coral {
            background: var(--coral);
        }

        .dist-row-value {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-dark);
            min-width: 42px;
            text-align: right;
        }

        /* ========== 分析师观点 ========== */
        .analyst-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .analyst-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            display: flex;
            gap: 16px;
            transition: border-color var(--transition-fast), transform var(--transition-base);
        }

        .analyst-card:hover {
            border-color: rgba(0, 229, 255, 0.25);
            transform: translateY(-2px);
        }

        .analyst-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            color: #0D1117;
        }

        .analyst-avatar.a1 {
            background: linear-gradient(135deg, #00E5FF, #00C4DB);
        }

        .analyst-avatar.a2 {
            background: linear-gradient(135deg, #F5B82E, #FF8A3D);
        }

        .analyst-content {
            flex: 1;
        }

        .analyst-name {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 4px;
        }

        .analyst-role {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .analyst-quote {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== 订阅 CTA ========== */
        .subscribe-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .subscribe-card {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: space-between;
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
        }

        .subscribe-info {
            flex: 1;
            min-width: 240px;
        }

        .subscribe-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

        .subscribe-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        .subscribe-input {
            width: 260px;
            height: 46px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            color: var(--text-primary);
            padding: 0 16px;
            font-size: 0.88rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        .subscribe-btn {
            height: 46px;
            padding: 0 24px;
            border-radius: var(--radius-md);
            background: var(--accent);
            color: #0D1117;
            font-weight: 600;
            font-size: 0.88rem;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-btn:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-primary);
            padding: 56px 0 24px;
            border-top: 1px solid var(--border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .footer-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 16px;
            border-top: 1px solid var(--border-dark);
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
            }
            .desktop-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .match-grid {
                grid-template-columns: 1fr;
            }
            .focus-event-card {
                grid-template-columns: 1fr;
            }
            .focus-event-right {
                border-left: none;
                border-top: 1px solid var(--border-dark);
            }
            .analyst-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
            }
            .cat-hero h1 {
                font-size: 1.5rem;
            }
            .cat-hero-grid {
                flex-direction: column;
            }
            .dist-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-card {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form {
                flex-direction: column;
                width: 100%;
            }
            .subscribe-input {
                width: 100%;
            }
            .subscribe-btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .match-card-title {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .site-header {
                padding: 6px 10px;
                top: 6px;
            }
            .nav-shell {
                padding: 4px 8px;
            }
            .logo {
                font-size: 0.95rem;
            }
            .cat-hero {
                padding: 24px 0 16px;
            }
            .cat-hero h1 {
                font-size: 1.3rem;
            }
            .cat-hero-desc {
                font-size: 0.88rem;
            }
            .section {
                padding: 32px 0;
            }
            .match-card-body {
                padding: 14px 16px 16px;
            }
            .focus-event-left,
            .focus-event-right {
                padding: 16px 18px;
            }
            .analyst-card {
                padding: 16px 18px;
                flex-direction: column;
            }
            .subscribe-card {
                padding: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category3 */
:root {
  --bg-primary: #0D1117;
  --bg-secondary: #101826;
  --bg-card: #161D2B;
  --bg-light: #F5F7FA;
  --text-primary: #FFFFFF;
  --text-secondary: #B8C1D1;
  --text-muted: #7A8699;
  --text-dark: #111827;
  --text-dark-secondary: #4B5563;
  --accent: #00E5FF;
  --accent-dark: #00C4DB;
  --accent-glow: rgba(0, 229, 255, 0.18);
  --accent-glow-strong: rgba(0, 229, 255, 0.35);
  --amber: #F5B82E;
  --amber-glow: rgba(245, 184, 46, 0.18);
  --coral: #FF6B3D;
  --coral-glow: rgba(255, 107, 61, 0.18);
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-light: rgba(0, 0, 0, 0.06);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-dark: 0 12px 30px rgba(0, 0, 0, 0.25);
  --shadow-light: 0 8px 24px rgba(10, 20, 40, 0.08);
  --font-sans: 'PingFang SC', 'HarmonyOS Sans', 'MiSans', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Consolas', 'Monaco', monospace;
  --container-max: 1200px;
  --section-gap: 56px;
  --nav-height: 64px;
  --nav-radius: 24px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--accent-dark);
}
button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}
button {
  cursor: pointer;
  background: none;
}
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  padding: var(--section-gap) 0;
}

/* 导航 */
.site-header {
  position: sticky;
  top: 12px;
  z-index: 1000;
  padding: 8px 16px;
}
.nav-shell {
  max-width: var(--container-max);
  margin: 0 auto;
  background: rgba(13, 17, 23, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-dark);
  border-radius: var(--nav-radius);
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
  position: relative;
}
.site-header.scrolled .nav-shell {
  background: rgba(13, 17, 23, 0.92);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  border-color: rgba(255, 255, 255, 0.12);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: 0.5px;
}
.logo-icon {
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--accent), var(--amber));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 900;
  color: #0D1117;
  flex-shrink: 0;
}
.logo:hover {
  color: var(--accent);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
  position: relative;
  letter-spacing: 0.3px;
}
.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}
.nav-link.active {
  color: #0D1117;
  background: var(--accent);
  font-weight: 600;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: #0D1117;
  border-radius: 2px;
}
.nav-cta {
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #0D1117;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  border: none;
  letter-spacing: 0.3px;
}
.nav-cta:hover {
  background: var(--accent-dark);
  color: #0D1117;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  border-radius: 8px;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: rgba(13, 17, 23, 0.96);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-top: 8px;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
}
.mobile-menu a {
  color: var(--text-secondary);
  padding: 10px 16px;
  border-radius: 8px;
}
.mobile-menu a.active {
  color: #0D1117;
  background: var(--accent);
}
.mobile-menu .nav-cta {
  width: 100%;
  text-align: center;
  margin-top: 8px;
}

/* 分类页头部 */
.page-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-dark);
  padding: 40px 0 28px;
}
.page-header .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
}
.page-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.page-header .subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 700px;
}
.last-update {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  white-space: nowrap;
}
.last-update::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* 维度切换标签 */
.rank-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.tab-btn {
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dark);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}
.tab-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}
.tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0D1117;
  font-weight: 600;
}

/* 榜单主体卡片 */
.rank-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.rank-item {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  display: grid;
  grid-template-columns: 44px 1fr 1.5fr repeat(4, 1fr) auto;
  gap: 16px;
  align-items: center;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.rank-item:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
.rank-index {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
}
.rank-item:first-child .rank-index,
.rank-item:nth-child(2) .rank-index,
.rank-item:nth-child(3) .rank-index {
  color: var(--amber);
  font-weight: 800;
}
.team-info {
  display: flex;
  align-items: center;
  gap: 12px;
}
.team-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-dark);
}
.team-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}
.team-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.data-cell {
  text-align: center;
}
.data-cell .label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}
.data-cell .value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
}
.value.highlight {
  color: var(--accent);
}
.value.warn {
  color: var(--coral);
}
.value.good {
  color: var(--amber);
}
.confidence {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  text-align: center;
  min-width: 70px;
  border: 1px solid rgba(0, 229, 255, 0.25);
}

/* 指数说明 */
.index-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.index-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform var(--transition-base), border-color var(--transition-base);
}
.index-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.35);
}
.index-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.index-card h3 .badge {
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.3px;
}
.index-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* 历史趋势图表 */
.trend-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.trend-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.trend-image {
  position: relative;
  min-height: 260px;
  background-size: cover;
  background-position: center;
}
.trend-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,17,23,0) 0%, rgba(13,17,23,0.6) 100%);
}
.trend-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.trend-info {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.trend-info h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.trend-metrics {
  display: flex;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.trend-metric .num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}
.trend-metric .desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.trend-note {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 热门数据卡 */
.hot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.hot-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.hot-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.hot-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hot-card-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}
.hot-card-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.hot-card-body .stats {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
}
.hot-card-body .stats span {
  color: var(--accent);
  font-weight: 500;
}

/* CTA */
.cta-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-dark);
}
.cta-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
}
.cta-box h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
}
.cta-box p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 500px;
}
.subscribe-form {
  display: flex;
  gap: 10px;
  min-width: 300px;
}
.subscribe-input {
  flex: 1;
  background: #0D1117;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 12px 20px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.subscribe-input::placeholder {
  color: var(--text-muted);
}
.subscribe-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.subscribe-btn {
  background: var(--accent);
  color: #0D1117;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}
.subscribe-btn:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 229, 255, 0.25);
}

/* 页脚 */
.site-footer {
  background: #0A0E14;
  border-top: 1px solid var(--border-dark);
  padding: 48px 0 32px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.footer-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}
.footer-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-size: 0.95rem;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
}
.footer-bottom a:hover {
  color: var(--accent);
}

/* 响应式 */
@media (max-width: 1024px) {
  .rank-item {
    grid-template-columns: 38px 1fr repeat(4, 1fr) auto;
    gap: 12px;
    padding: 16px 18px;
  }
  .data-cell .label {
    font-size: 0.65rem;
  }
  .index-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hot-grid {
    grid-template-columns: 1fr 1fr;
  }
  .trend-panel {
    grid-template-columns: 1fr;
  }
  .trend-image {
    min-height: 200px;
  }
}
@media (max-width: 768px) {
  :root {
    --section-gap: 40px;
  }
  .nav-menu {
    display: none;
  }
  .desktop-cta {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mobile-menu {
    display: none;
  }
  .mobile-menu.open {
    display: flex;
  }
  .page-header h1 {
    font-size: 1.7rem;
  }
  .rank-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px;
  }
  .rank-index {
    font-size: 1rem;
  }
  .team-info {
    margin-bottom: 8px;
  }
  .data-cell {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    padding: 4px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .data-cell .label {
    font-size: 0.75rem;
  }
  .data-cell .value {
    font-size: 0.9rem;
  }
  .confidence {
    margin-top: 8px;
    align-self: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cta-box {
    flex-direction: column;
    align-items: stretch;
  }
  .subscribe-form {
    min-width: auto;
    flex-direction: column;
  }
  .subscribe-input, .subscribe-btn {
    width: 100%;
    text-align: center;
  }
}
@media (max-width: 575px) {
  .container {
    padding: 0 16px;
  }
  .index-grid, .hot-grid {
    grid-template-columns: 1fr;
  }
  .trend-info {
    padding: 20px;
  }
  .trend-info h2 {
    font-size: 1.3rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .page-header .container {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category4 */
:root {
            --bg-primary: #0D1117;
            --bg-secondary: #101826;
            --bg-card: #161D2B;
            --bg-light: #F5F7FA;
            --text-primary: #FFFFFF;
            --text-secondary: #B8C1D1;
            --text-muted: #7A8699;
            --text-dark: #111827;
            --text-dark-secondary: #4B5563;
            --accent: #00E5FF;
            --accent-dark: #00C4DB;
            --accent-glow: rgba(0, 229, 255, 0.18);
            --accent-glow-strong: rgba(0, 229, 255, 0.35);
            --amber: #F5B82E;
            --amber-glow: rgba(245, 184, 46, 0.18);
            --coral: #FF6B3D;
            --coral-glow: rgba(255, 107, 61, 0.18);
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(0, 0, 0, 0.06);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-dark: 0 12px 30px rgba(0, 0, 0, 0.25);
            --shadow-light: 0 8px 24px rgba(10, 20, 40, 0.08);
            --font-sans: 'PingFang SC', 'HarmonyOS Sans', 'MiSans', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Consolas', 'Monaco', monospace;
            --container-max: 1200px;
            --section-gap: 64px;
            --nav-height: 64px;
            --nav-radius: 24px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

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

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .section-alt {
            background: var(--bg-secondary);
        }

        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }

        .section-light .section-title,
        .section-light .section-subtitle {
            color: var(--text-dark);
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 680px;
        }

        .section-light .section-subtitle {
            color: var(--text-dark-secondary);
        }

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

        .section-header.center {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header.center .section-subtitle {
            margin: 0 auto;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .badge-accent {
            background: var(--accent-glow);
            color: var(--accent);
            border: 1px solid rgba(0, 229, 255, 0.3);
        }

        .badge-amber {
            background: var(--amber-glow);
            color: var(--amber);
            border: 1px solid rgba(245, 184, 46, 0.3);
        }

        .badge-coral {
            background: var(--coral-glow);
            color: var(--coral);
            border: 1px solid rgba(255, 107, 61, 0.3);
        }

        .badge-neutral {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid var(--border-dark);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.92rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--accent);
            color: #0D1117;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            color: #0D1117;
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 229, 255, 0.3);
        }

        .btn-primary:focus,
        .btn-secondary:focus,
        .btn-ghost:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-dark);
        }

        .btn-secondary:hover {
            background: var(--accent-glow);
            border-color: rgba(0, 229, 255, 0.4);
            color: var(--accent);
            transform: translateY(-3px);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid var(--border-dark);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1000;
            padding: 8px 16px;
        }

        .nav-shell {
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(13, 17, 23, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-dark);
            border-radius: var(--nav-radius);
            padding: 6px 10px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
            position: relative;
        }

        .site-header.scrolled .nav-shell {
            background: rgba(13, 17, 23, 0.92);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo-icon {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--accent), var(--amber));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 900;
            color: #0D1117;
            flex-shrink: 0;
        }

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

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #0D1117;
            background: var(--accent);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: #0D1117;
            border-radius: 2px;
        }

        .nav-cta {
            padding: 9px 20px;
            border-radius: var(--radius-pill);
            background: var(--accent);
            color: #0D1117;
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            border: none;
            letter-spacing: 0.3px;
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            color: #0D1117;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            border-radius: 6px;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger:hover span {
            background: var(--accent);
        }

        .mobile-menu {
            display: none;
            max-width: var(--container-max);
            margin: 8px auto 0;
            background: rgba(13, 17, 23, 0.95);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 16px;
            flex-direction: column;
            gap: 6px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

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

        .mobile-menu .nav-link {
            display: block;
            text-align: left;
            padding: 12px 16px;
            font-size: 1rem;
        }

        .mobile-menu .nav-cta {
            margin-top: 8px;
            width: 100%;
            text-align: center;
            padding: 12px 20px;
        }

        /* ========== 新闻 Hero ========== */
        .news-hero {
            position: relative;
            padding: 60px 0 80px;
            background: var(--bg-secondary);
            overflow: hidden;
        }

        .news-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/317fb4285e18875a.jpg') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .news-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(13, 17, 23, 0.9) 0%, rgba(13, 17, 23, 0.7) 40%, rgba(13, 17, 23, 0.85) 100%);
            z-index: 1;
        }

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

        .news-hero-grid {
            display: flex;
            gap: 40px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .news-hero-main {
            flex: 1;
            min-width: 280px;
        }

        .news-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .news-hero h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .news-hero h1 span {
            color: var(--accent);
        }

        .news-hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 24px;
        }

        .news-hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

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

        .hero-stat-number {
            font-family: var(--font-mono);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.5px;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        .news-hero-side {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px;
            min-width: 260px;
            max-width: 320px;
            box-shadow: var(--shadow-dark);
        }

        .news-hero-side-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .hero-news-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-dark);
            align-items: center;
        }

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

        .hero-news-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--amber);
            flex-shrink: 0;
            animation: pulse-dot 2s infinite;
        }

        .hero-news-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }

        /* ========== 标签云 ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .tag-chip:hover {
            color: var(--accent);
            border-color: rgba(0, 229, 255, 0.4);
            background: var(--accent-glow);
            transform: translateY(-2px);
        }

        .tag-chip.hot {
            color: var(--amber);
            border-color: rgba(245, 184, 46, 0.35);
            background: var(--amber-glow);
        }

        /* ========== 新闻列表 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-dark);
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
            border-color: rgba(0, 229, 255, 0.3);
        }

        .news-card-image {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: var(--bg-secondary);
        }

        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .news-card-image .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

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

        .news-card-date {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
            margin-bottom: 8px;
            font-family: var(--font-mono);
        }

        .news-card-title {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .news-card-summary {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }

        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .news-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--accent);
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .news-read-more:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

        .news-read-more .arrow {
            transition: transform var(--transition-fast);
            font-size: 1rem;
        }

        .news-read-more:hover .arrow {
            transform: translateX(4px);
        }

        .news-tag {
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            border: 1px solid var(--border-dark);
            white-space: nowrap;
        }

        /* ========== 赛程日历 ========== */
        .schedule-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-dark);
        }

        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 4px;
            border-bottom: 1px solid var(--border-dark);
            flex-wrap: wrap;
            transition: background var(--transition-fast);
        }

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

        .schedule-item:hover {
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
        }

        .schedule-date {
            font-family: var(--font-mono);
            font-size: 0.82rem;
            color: var(--text-muted);
            min-width: 90px;
            letter-spacing: 0.3px;
        }

        .schedule-match {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
            flex: 1;
            min-width: 160px;
        }

        .schedule-match span {
            color: var(--text-muted);
            font-weight: 400;
            margin: 0 6px;
        }

        .schedule-league {
            font-size: 0.78rem;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            background: var(--accent-glow);
            color: var(--accent);
            border: 1px solid rgba(0, 229, 255, 0.25);
            white-space: nowrap;
        }

        /* ========== 热门文章 ========== */
        .hot-articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .hot-article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-fast);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hot-article-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        .hot-article-rank {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            opacity: 0.4;
            line-height: 1;
        }

        .hot-article-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.55;
        }

        .hot-article-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        /* ========== 媒体矩阵 ========== */
        .media-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .media-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .media-card:hover {
            border-color: var(--accent);
            background: var(--accent-glow);
            transform: translateY(-4px);
        }

        .media-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 229, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            transition: all var(--transition-fast);
        }

        .media-card:hover .media-icon {
            background: var(--accent);
            color: #0D1117;
        }

        .media-name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }

        .media-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== CTA / 订阅 ========== */
        .subscribe-section {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(245, 184, 46, 0.06) 50%, rgba(13, 17, 23, 0.4) 100%);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .subscribe-grid {
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
        }

        .subscribe-info {
            flex: 1;
            min-width: 280px;
        }

        .subscribe-info h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .subscribe-info p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        .subscribe-form {
            flex: 1;
            min-width: 300px;
            max-width: 480px;
            display: flex;
            gap: 10px;
            align-items: stretch;
        }

        .subscribe-input {
            flex: 1;
            padding: 14px 20px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            min-height: 48px;
        }

        .subscribe-input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-input:focus {
            border-color: var(--accent);
            outline: none;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.18);
        }

        .subscribe-form .btn {
            min-height: 48px;
            padding: 12px 28px;
            flex-shrink: 0;
        }

        .risk-note {
            margin-top: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition-fast), transform var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .hot-articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .media-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-hero-grid {
                flex-direction: column;
            }
            .news-hero-side {
                max-width: none;
                min-width: 0;
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .desktop-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            :root {
                --section-gap: 42px;
            }
            .news-hero {
                padding: 40px 0 56px;
            }
            .news-hero-stats {
                gap: 16px;
            }
            .hero-stat-number {
                font-size: 1.4rem;
            }
            .hot-articles-grid {
                grid-template-columns: 1fr;
            }
            .media-grid {
                grid-template-columns: 1fr 1fr;
            }
            .subscribe-grid {
                flex-direction: column;
                gap: 24px;
            }
            .subscribe-form {
                flex-direction: column;
                max-width: none;
                width: 100%;
            }
            .subscribe-form .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 16px 12px;
            }
            .schedule-date {
                min-width: auto;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .site-header {
                padding: 6px 10px;
                top: 8px;
            }
            .nav-shell {
                padding: 4px 8px;
                border-radius: 18px;
            }
            .logo {
                font-size: 0.95rem;
            }
            .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.7rem;
            }
            .news-hero h1 {
                font-size: 1.6rem;
            }
            .news-hero-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .news-card-body {
                padding: 16px 18px 20px;
            }
            .news-card-title {
                font-size: 1.05rem;
            }
            .news-card-summary {
                font-size: 0.88rem;
            }
            .media-grid {
                grid-template-columns: 1fr;
            }
            .tag-cloud {
                gap: 8px;
            }
            .tag-chip {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .schedule-card {
                padding: 18px 14px;
            }
            .schedule-match {
                font-size: 0.88rem;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0D1117;
            --bg-secondary: #101826;
            --bg-card: #161D2B;
            --bg-light: #F5F7FA;
            --text-primary: #FFFFFF;
            --text-secondary: #B8C1D1;
            --text-muted: #7A8699;
            --text-dark: #111827;
            --text-dark-secondary: #4B5563;
            --accent: #00E5FF;
            --accent-dark: #00C4DB;
            --accent-glow: rgba(0, 229, 255, 0.18);
            --accent-glow-strong: rgba(0, 229, 255, 0.35);
            --amber: #F5B82E;
            --amber-glow: rgba(245, 184, 46, 0.18);
            --coral: #FF6B3D;
            --coral-glow: rgba(255, 107, 61, 0.18);
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(0, 0, 0, 0.06);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-dark: 0 12px 30px rgba(0, 0, 0, 0.25);
            --shadow-light: 0 8px 24px rgba(10, 20, 40, 0.08);
            --font-sans: 'PingFang SC', 'HarmonyOS Sans', 'MiSans', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Consolas', 'Monaco', monospace;
            --container-max: 1200px;
            --section-gap: 72px;
            --nav-height: 64px;
            --nav-radius: 24px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

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

        button {
            cursor: pointer;
            background: none;
        }

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

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-label::before {
            content: '';
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            max-width: 680px;
        }

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

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

        .bg-alternate {
            background: var(--bg-secondary);
        }

        .bg-light-zone {
            background: var(--bg-light);
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1000;
            padding: 8px 16px;
        }

        .nav-shell {
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(13, 17, 23, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-dark);
            border-radius: var(--nav-radius);
            padding: 6px 10px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
            position: relative;
        }

        .site-header.scrolled .nav-shell {
            background: rgba(13, 17, 23, 0.94);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--accent), var(--amber));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 900;
            color: #0D1117;
            flex-shrink: 0;
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
            position: relative;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #0D1117;
            background: var(--accent);
            font-weight: 600;
        }

        .nav-cta {
            padding: 9px 20px;
            border-radius: var(--radius-pill);
            background: var(--accent);
            color: #0D1117;
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            border: none;
            letter-spacing: 0.3px;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            color: #0D1117;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
        }

        .nav-cta:active {
            transform: translateY(0);
        }

        .desktop-cta {
            display: inline-flex;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-dark);
            background: rgba(255, 255, 255, 0.04);
            transition: background var(--transition-fast);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .hamburger span {
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: rgba(13, 17, 23, 0.96);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 14px;
            margin-top: 8px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

        .mobile-menu .nav-link {
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
        }

        .mobile-menu .nav-cta {
            margin-top: 8px;
            padding: 12px 20px;
            width: 100%;
            text-align: center;
            border-radius: var(--radius-md);
        }

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

        /* ========== 分类标题区 ========== */
        .category-hero {
            padding: 48px 0 36px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/0b6f7eb3b331babd.jpg') center/cover no-repeat;
            opacity: 0.16;
            z-index: 0;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 32px;
            align-items: stretch;
        }

        .category-hero-info {
            padding: 28px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .sep {
            opacity: 0.5;
        }

        .category-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .category-hero h1 .accent-text {
            color: var(--accent);
        }

        .category-hero .lead {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 22px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 13px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            color: var(--text-secondary);
        }

        .hero-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .hero-tag.amber .dot {
            background: var(--amber);
        }

        .hero-tag.coral .dot {
            background: var(--coral);
        }

        .balance-card-wrapper {
            display: flex;
            align-items: stretch;
        }

        .balance-card {
            width: 100%;
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            box-shadow: var(--shadow-dark);
        }

        .balance-card .label {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
            margin-bottom: 6px;
        }

        .balance-card .amount {
            font-family: var(--font-mono);
            font-size: 2.3rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.02em;
            margin-bottom: 4px;
        }

        .balance-card .amount small {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .balance-card .level-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-top: 12px;
        }

        .level-badge {
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: var(--amber-glow);
            color: var(--amber);
            font-weight: 600;
            font-size: 0.75rem;
        }

        .balance-card .expire {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        .balance-card .expire strong {
            color: var(--coral);
            font-weight: 500;
        }

        .balance-card .btn-row {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }

        .btn-outline-sm {
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-dark);
            color: var(--text-secondary);
            font-size: 0.82rem;
            font-weight: 500;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-outline-sm:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }

        /* ========== 积分获取说明 ========== */
        .earn-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .earn-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            transition: transform var(--transition-base), border-color var(--transition-fast), box-shadow var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .earn-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .earn-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.25);
            box-shadow: var(--shadow-dark);
        }

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

        .earn-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
            background: var(--accent-glow);
            flex-shrink: 0;
        }

        .earn-icon.amber {
            background: var(--amber-glow);
        }

        .earn-icon.coral {
            background: var(--coral-glow);
        }

        .earn-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .earn-card p {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .earn-card .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            color: var(--amber);
            font-weight: 500;
            margin-top: 10px;
        }

        /* ========== 礼品卡片 ========== */
        .gift-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .gift-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-base), border-color var(--transition-fast), box-shadow var(--transition-base);
        }

        .gift-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 229, 255, 0.25);
            box-shadow: var(--shadow-dark);
        }

        .gift-thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .gift-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .gift-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.74rem;
            font-weight: 600;
            background: rgba(13, 17, 23, 0.8);
            color: var(--accent);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(0, 229, 255, 0.25);
        }

        .gift-tag.hot {
            background: rgba(245, 184, 46, 0.9);
            color: #0D1117;
            border-color: transparent;
        }

        .gift-tag.limited {
            background: rgba(255, 107, 61, 0.9);
            color: #FFFFFF;
            border-color: transparent;
        }

        .gift-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .gift-body h3 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .gift-body .gift-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 12px;
            flex-grow: 1;
        }

        .gift-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .gift-points {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--amber);
            letter-spacing: 0.02em;
        }

        .gift-points small {
            font-size: 0.76rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        .gift-stock {
            font-size: 0.74rem;
            color: var(--text-muted);
        }

        .gift-stock .num {
            color: var(--text-secondary);
            font-weight: 500;
        }

        .btn-exchange {
            width: 100%;
            padding: 10px 16px;
            border-radius: var(--radius-pill);
            background: var(--accent);
            color: #0D1117;
            font-weight: 600;
            font-size: 0.86rem;
            letter-spacing: 0.3px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            border: none;
        }

        .btn-exchange:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
        }

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

        .btn-exchange:disabled {
            background: var(--bg-card);
            color: var(--text-muted);
            cursor: not-allowed;
            border: 1px solid var(--border-dark);
            box-shadow: none;
            transform: none;
        }

        .btn-exchange.exchanged {
            background: var(--accent-glow);
            color: var(--accent);
            border: 1px solid rgba(0, 229, 255, 0.3);
            box-shadow: none;
            transform: none;
        }

        /* ========== 兑换流程 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step-counter;
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            position: relative;
            counter-increment: step-counter;
            transition: transform var(--transition-base), border-color var(--transition-fast);
        }

        .step-card:hover {
            transform: translateY(-3px);
            border-color: rgba(0, 229, 255, 0.2);
        }

        .step-card::before {
            content: counter(step-counter, decimal-leading-zero);
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: rgba(0, 229, 255, 0.15);
            position: absolute;
            top: 16px;
            right: 18px;
            line-height: 1;
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent);
            color: #0D1117;
            font-weight: 700;
            font-size: 0.88rem;
            margin-bottom: 14px;
        }

        .step-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 7px;
        }

        .step-card p {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== 热门兑换榜 ========== */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hot-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .hot-item:hover {
            border-color: rgba(0, 229, 255, 0.2);
            background: rgba(255, 255, 255, 0.03);
        }

        .hot-rank {
            font-family: var(--font-mono);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-muted);
            min-width: 40px;
            text-align: center;
        }

        .hot-rank.top1 {
            color: var(--amber);
        }

        .hot-rank.top2 {
            color: #C0C8D4;
        }

        .hot-rank.top3 {
            color: #CD7F32;
        }

        .hot-info {
            flex-grow: 1;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .hot-thumb {
            width: 52px;
            height: 36px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .hot-name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .hot-count {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .hot-points {
            font-family: var(--font-mono);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--amber);
            white-space: nowrap;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 760px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item.open {
            border-color: rgba(0, 229, 255, 0.25);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: background var(--transition-fast);
            background: none;
            border: none;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform var(--transition-base), background var(--transition-fast);
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--accent-glow);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 18px;
        }

        /* ========== CTA 区 ========== */
        .cta-subscribe {
            padding: 0;
        }

        .cta-box {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 28px;
            align-items: center;
            box-shadow: var(--shadow-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .cta-box p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
            justify-content: flex-end;
            position: relative;
            z-index: 1;
        }

        .cta-input-wrap {
            position: relative;
            flex-grow: 1;
            min-width: 240px;
        }

        .cta-input {
            width: 100%;
            height: 46px;
            padding: 0 18px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-dark);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .cta-input::placeholder {
            color: var(--text-muted);
        }

        .cta-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px var(--accent-glow);
        }

        .cta-submit {
            height: 46px;
            padding: 0 26px;
            border-radius: var(--radius-pill);
            background: var(--accent);
            color: #0D1117;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            border: none;
            white-space: nowrap;
        }

        .cta-submit:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
        }

        .cta-submit:active {
            transform: translateY(0);
        }

        /* ========== 风险提示条 ========== */
        .risk-bar {
            background: rgba(255, 107, 61, 0.08);
            border: 1px solid rgba(255, 107, 61, 0.2);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .risk-bar .risk-icon {
            flex-shrink: 0;
            font-size: 1rem;
            color: var(--coral);
            margin-top: 1px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 320px;
        }

        .footer-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1199px) {
            .earn-grid,
            .gift-grid,
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .category-hero .container {
                grid-template-columns: 1fr 320px;
                gap: 24px;
            }

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

        @media (max-width: 992px) {
            :root {
                --section-gap: 56px;
            }

            .nav-menu {
                display: none;
            }

            .desktop-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

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

            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .balance-card-wrapper {
                max-width: 400px;
            }

            .cta-box {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 28px 24px;
            }

            .cta-form {
                justify-content: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 44px;
            }

            .category-hero {
                padding: 32px 0 24px;
            }

            .category-hero h1 {
                font-size: 1.7rem;
            }

            .category-hero .lead {
                font-size: 0.95rem;
            }

            .earn-grid,
            .gift-grid,
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .hot-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 14px;
            }

            .hot-rank {
                font-size: 1.1rem;
                min-width: 28px;
            }

            .hot-thumb {
                width: 44px;
                height: 32px;
            }

            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-input-wrap {
                min-width: 0;
            }

            .cta-submit {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 36px;
            }

            .container {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 1.45rem;
            }

            .category-hero .lead {
                font-size: 0.88rem;
            }

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

            .balance-card .amount {
                font-size: 1.8rem;
            }

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

            .site-footer {
                padding: 32px 0 18px;
            }

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

            .cta-box h2 {
                font-size: 1.2rem;
            }
        }