/* roulang page: index */
:root {
        --bg-deep: #0B0F14;
        --bg-panel: #11161D;
        --bg-card: #151B23;
        --brand-cyan: #18E0C8;
        --brand-orange: #FF5C39;
        --gold: #C9A96A;
        --accent-red: #FF3B5C;
        --text-main: #F0F4F8;
        --text-sub: #A0AAB5;
        --text-dim: #67717D;
        --border-line: rgba(255, 255, 255, 0.08);
        --radius-card: 16px;
        --radius-btn: 999px;
        --radius-small: 8px;
        --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
        --shadow-glow: 0 0 0 1px rgba(24, 224, 200, 0.2), 0 8px 30px rgba(24, 224, 200, 0.12);
        --shadow-btn: 0 4px 20px rgba(255, 92, 57, 0.35);
        --gradient-brand: linear-gradient(135deg, #18E0C8 0%, #FF5C39 100%);
        --gradient-gold: linear-gradient(135deg, #E8C87C 0%, #C9A96A 100%);
        --space-section: 80px;
        --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        --font-mono: "JetBrains Mono", Consolas, monospace;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-main);
        background: var(--bg-deep);
        color: var(--text-main);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }

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

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

    a:hover, a:focus {
        color: var(--brand-cyan);
    }

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

    a:focus-visible, button:focus-visible {
        outline: 2px solid var(--brand-cyan);
        outline-offset: 2px;
        border-radius: 4px;
    }

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

    /* ===== 导航 ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(11, 15, 20, 0.92);
        backdrop-filter: blur(8px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        height: 64px;
    }

    .header-inner {
        height: 64px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 700;
        letter-spacing: -0.3px;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--gradient-brand);
        border-radius: 10px;
        color: #0B0F14;
        font-weight: 800;
        font-size: 18px;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 32px;
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .nav-menu a {
        font-size: 15px;
        font-weight: 500;
        color: var(--text-sub);
        position: relative;
        padding: 20px 0;
    }

    .nav-menu a::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        width: 0;
        height: 2px;
        background: var(--brand-cyan);
        box-shadow: 0 0 12px rgba(24, 224, 200, 0.6);
        transform: translateX(-50%);
        transition: width 0.3s ease;
    }

    .nav-menu a:hover, .nav-menu a.active {
        color: #fff;
    }

    .nav-menu a:hover::after, .nav-menu a.active::after {
        width: 100%;
    }

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

    .nav-btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--gradient-brand);
        color: #0B0F14;
        font-weight: 600;
        font-size: 14px;
        padding: 8px 22px;
        border-radius: var(--radius-btn);
        transition: all 0.25s ease;
    }

    .nav-btn:hover {
        background: linear-gradient(135deg, #FF5C39 0%, #18E0C8 100%);
        box-shadow: 0 0 20px rgba(24, 224, 200, 0.3);
        color: #0B0F14;
        transform: translateY(-1px);
    }

    .nav-btn:active {
        transform: scale(0.97);
    }

    .bell-wrap {
        position: relative;
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        color: var(--text-sub);
        border: 1px solid transparent;
        transition: all 0.25s ease;
        cursor: pointer;
    }

    .bell-wrap:hover {
        border-color: var(--border-line);
        color: var(--text-main);
        background: rgba(255, 255, 255, 0.02);
    }

    .bell-dot {
        position: absolute;
        top: 6px;
        right: 6px;
        width: 8px;
        height: 8px;
        background: var(--accent-red);
        border-radius: 50%;
        box-shadow: 0 0 8px rgba(255, 59, 92, 0.6);
    }

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

    .hamburger span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--text-main);
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    /* ===== Hero ===== */
    .hero-section {
        position: relative;
        padding: 150px 0 90px;
        overflow: hidden;
        background: var(--bg-deep);
    }

    .hero-section::before {
        content: '';
        position: absolute;
        top: -40%;
        left: 20%;
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(24, 224, 200, 0.15) 0%, transparent 60%);
        pointer-events: none;
    }

    .hero-section::after {
        content: '';
        position: absolute;
        bottom: -20%;
        right: 10%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(255, 92, 57, 0.12) 0%, transparent 65%);
        pointer-events: none;
    }

    .grid-bg-pattern {
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
        background-size: 40px 40px;
        pointer-events: none;
    }

    .hero-inner {
        display: flex;
        gap: 60px;
        position: relative;
        z-index: 2;
        align-items: center;
    }

    .hero-left {
        flex: 1;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(24, 224, 200, 0.08);
        border: 1px solid rgba(24, 224, 200, 0.25);
        color: var(--brand-cyan);
        font-size: 13px;
        font-weight: 500;
        padding: 6px 16px;
        border-radius: var(--radius-btn);
        margin-bottom: 24px;
    }

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

    .hero-title {
        font-size: 50px;
        font-weight: 700;
        line-height: 1.2;
        letter-spacing: -0.5px;
        margin-bottom: 20px;
    }

    .hero-title .gradient-text {
        background: var(--gradient-brand);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-subtitle {
        font-size: 18px;
        line-height: 1.7;
        color: var(--text-sub);
        max-width: 520px;
        margin-bottom: 36px;
    }

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

    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--gradient-brand);
        color: #0B0F14;
        font-size: 16px;
        font-weight: 700;
        padding: 16px 32px;
        border-radius: var(--radius-btn);
        box-shadow: var(--shadow-btn);
        transition: all 0.3s ease;
        border: none;
        cursor: pointer;
    }

    .btn-primary:hover {
        background: linear-gradient(135deg, #FF5C39 0%, #18E0C8 100%);
        box-shadow: 0 0 30px rgba(24, 224, 200, 0.25);
        transform: translateY(-2px);
        color: #0B0F14;
    }

    .btn-primary:active {
        transform: scale(0.97);
    }

    .btn-ghost {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: transparent;
        color: var(--text-main);
        font-size: 15px;
        font-weight: 500;
        padding: 15px 28px;
        border-radius: var(--radius-btn);
        border: 1px solid rgba(24, 224, 200, 0.4);
        transition: all 0.3s ease;
        cursor: pointer;
    }

    .btn-ghost:hover {
        border-color: var(--brand-cyan);
        box-shadow: 0 0 16px rgba(24, 224, 200, 0.15);
        color: var(--brand-cyan);
    }

    .btn-ghost:active {
        transform: scale(0.97);
    }

    .hero-right {
        flex: 1;
        position: relative;
    }

    .hero-img-main {
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
        border: 1px solid rgba(255, 255, 255, 0.08);
        position: relative;
    }

    .hero-img-main img {
        width: 100%;
        height: 420px;
        object-fit: cover;
        transform: scale(1.01);
        transition: transform 0.4s ease;
    }

    .hero-img-main:hover img {
        transform: scale(1.03);
    }

    .hero-float-card {
        position: absolute;
        bottom: -20px;
        left: -30px;
        background: rgba(17, 22, 29, 0.95);
        backdrop-filter: blur(6px);
        border-radius: 12px;
        padding: 12px 18px;
        display: flex;
        align-items: center;
        gap: 10px;
        box-shadow: var(--shadow-card);
        border: 1px solid rgba(24, 224, 200, 0.2);
    }

    .hero-float-card img {
        width: 40px;
        height: 40px;
        border-radius: 8px;
        object-fit: cover;
    }

    .hero-float-card .fc-text {
        font-size: 13px;
        color: var(--text-main);
        font-weight: 500;
    }

    .hero-float-card .fc-sub {
        font-size: 12px;
        color: var(--text-sub);
    }

    /* ===== 倒计时 ===== */
    .countdown-section {
        border-top: 1px solid rgba(24, 224, 200, 0.15);
        border-bottom: 1px solid rgba(24, 224, 200, 0.15);
        background: linear-gradient(180deg, rgba(11, 15, 20, 0.9) 0%, rgba(17, 22, 29, 0.9) 100%);
        padding: 28px 0;
    }

    .countdown-inner {
        display: flex;
        align-items: center;
        gap: 30px;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .cd-label {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--text-sub);
    }

    .cd-label .pulse-dot {
        width: 8px;
        height: 8px;
        background: var(--accent-red);
        border-radius: 50%;
        animation: pulse 1.5s ease infinite;
    }

    @keyframes pulse {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.5; transform: scale(0.85); }
    }

    .cd-grid {
        display: flex;
        gap: 14px;
        align-items: center;
    }

    .cd-cell {
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid var(--border-line);
        border-radius: 12px;
        padding: 12px 18px;
        text-align: center;
        min-width: 80px;
    }

    .cd-number {
        font-family: var(--font-mono);
        font-size: 38px;
        font-weight: 700;
        background: linear-gradient(135deg, #FF5C39 0%, #18E0C8 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        line-height: 1.3;
        animation: breathe 2s ease-in-out infinite;
    }

    .cd-unit {
        font-size: 12px;
        color: var(--gold);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-top: 4px;
        display: block;
    }

    @keyframes breathe {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.85; }
    }

    .cd-divider {
        font-family: var(--font-mono);
        font-size: 30px;
        color: var(--text-sub);
    }

    .cd-enroll {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        border: 1px solid rgba(201, 169, 106, 0.4);
        color: var(--gold);
        font-size: 14px;
        padding: 8px 18px;
        border-radius: var(--radius-btn);
        background: rgba(201, 169, 106, 0.04);
    }

    /* ===== 通用板块 ===== */
    .section-block {
        padding: var(--space-section) 0;
    }

    .section-title-wrap {
        margin-bottom: 44px;
    }

    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--brand-cyan);
        font-weight: 500;
        margin-bottom: 14px;
        letter-spacing: 1px;
    }

    .section-label::before {
        content: '';
        width: 22px;
        height: 1px;
        background: var(--brand-cyan);
        display: inline-block;
    }

    .section-title {
        font-size: 34px;
        font-weight: 700;
        line-height: 1.3;
        letter-spacing: -0.5px;
        margin-bottom: 12px;
    }

    .section-desc {
        font-size: 16px;
        color: var(--text-sub);
        max-width: 640px;
        line-height: 1.7;
    }

    /* ===== 卖点卡 ===== */
    .features-grid {
        display: flex;
        flex-wrap: wrap;
        margin: 0 -12px;
    }

    .feat-col {
        padding: 0 12px;
        margin-bottom: 24px;
    }

    .feat-card {
        background: linear-gradient(145deg, #151B23 0%, #11161D 100%);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-line);
        padding: 28px 24px;
        height: 100%;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .feat-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--gradient-brand);
        opacity: 0.6;
        transition: opacity 0.3s ease;
    }

    .feat-card:hover {
        transform: translateY(-4px);
        border-color: rgba(24, 224, 200, 0.15);
        box-shadow: var(--shadow-glow);
    }

    .feat-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: linear-gradient(145deg, rgba(24, 224, 200, 0.1), rgba(255, 92, 57, 0.1));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        margin-bottom: 20px;
        border: 1px solid rgba(24, 224, 200, 0.15);
    }

    .feat-icon i {
        background: var(--gradient-brand);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .feat-card h3 {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 12px;
    }

    .feat-card p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* ===== 图墙 ===== */
    .gallery-section {
        background: rgba(17, 22, 29, 0.4);
        border-top: 1px solid var(--border-line);
        border-bottom: 1px solid var(--border-line);
    }

    .gallery-grid {
        display: flex;
        flex-wrap: wrap;
        margin: 0 -12px;
    }

    .gallery-main {
        padding: 0 12px;
        margin-bottom: 24px;
    }

    .gallery-side {
        padding: 0 12px;
        margin-bottom: 24px;
    }

    .gallery-item {
        position: relative;
        border-radius: 12px;
        overflow: hidden;
        border: 1px solid rgba(255, 255, 255, 0.08);
        cursor: pointer;
        height: 100%;
    }

    .gallery-item img {
        width: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
       
    }
    .gallery-item:hover img {
        transform: scale(1.04);
    }

    .gallery-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 14px;
        background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.75) 100%);
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 8px;
    }

    .gallery-title {
        font-size: 14px;
        font-weight: 500;
        color: #fff;
    }

    .gallery-tag {
        font-size: 12px;
        color: var(--text-sub);
        padding: 4px 10px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: var(--radius-btn);
        background: rgba(0, 0, 0, 0.3);
    }

    /* ===== CTA ===== */
    .cta-section {
        position: relative;
        overflow: hidden;
    }

    .cta-inner {
        border-radius: 20px;
        background: var(--gradient-brand);
        padding: 60px 40px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .cta-inner::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(0, 0, 0, 0.06) 1px, transparent 1px),
            linear-gradient(90deg, rgba(0, 0, 0, 0.06) 1px, transparent 1px);
        background-size: 30px 30px;
        mix-blend-mode: overlay;
    }

    .cta-title {
        font-size: 36px;
        font-weight: 700;
        color: #0B0F14;
        margin-bottom: 12px;
        position: relative;
        z-index: 2;
    }

    .cta-desc {
        font-size: 15px;
        color: rgba(11, 15, 20, 0.7);
        margin-bottom: 30px;
        position: relative;
        z-index: 2;
    }

    .cta-btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: #0B0F14;
        color: var(--brand-cyan);
        font-size: 16px;
        font-weight: 600;
        padding: 16px 36px;
        border-radius: var(--radius-btn);
        position: relative;
        z-index: 2;
        transition: all 0.3s ease;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    }

    .cta-btn:hover {
        transform: translateY(-2px) scale(1.02);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        color: var(--brand-cyan);
    }

    .cta-small {
        font-size: 13px;
        color: rgba(11, 15, 20, 0.5);
        margin-top: 16px;
        position: relative;
        z-index: 2;
    }

    /* ===== 数据徽章 ===== */
    .stats-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
    }

    .stat-item {
        text-align: center;
        padding: 24px 32px;
        background: linear-gradient(145deg, #151B23 0%, #11161D 100%);
        border-radius: 16px;
        border: 1px solid rgba(201, 169, 106, 0.2);
        min-width: 150px;
        transition: all 0.3s ease;
    }

    .stat-item:hover {
        transform: scale(1.03);
        border-color: rgba(201, 169, 106, 0.5);
        box-shadow: 0 0 25px rgba(201, 169, 106, 0.1);
    }

    .stat-number {
        font-family: var(--font-mono);
        font-size: 32px;
        font-weight: 700;
        color: var(--gold);
        line-height: 1.3;
    }

    .stat-label {
        font-size: 13px;
        color: var(--text-sub);
        margin-top: 6px;
        display: block;
    }

    /* ===== 资讯列表 ===== */
    .news-section {
        background: rgba(17, 22, 29, 0.5);
        border-top: 1px solid var(--border-line);
    }

    .news-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .news-card {
        display: flex;
        align-items: center;
        gap: 16px;
        background: linear-gradient(145deg, #151B23 0%, #11161D 100%);
        border: 1px solid var(--border-line);
        border-radius: 12px;
        padding: 14px 18px;
        transition: all 0.25s ease;
        cursor: pointer;
    }

    .news-card:hover {
        border-color: rgba(24, 224, 200, 0.25);
        box-shadow: var(--shadow-glow);
        transform: translateX(4px);
    }

    .news-thumb {
        width: 80px;
        height: 80px;
        border-radius: 8px;
        object-fit: cover;
        flex-shrink: 0;
    }

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

    .news-title {
        font-size: 16px;
        font-weight: 500;
        color: var(--text-main);
        transition: color 0.25s ease;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        display: block;
    }

    .news-card:hover .news-title {
        color: var(--brand-cyan);
    }

    .news-summary {
        font-size: 14px;
        color: var(--text-sub);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        margin-top: 4px;
    }

    .news-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 8px;
        font-size: 13px;
        color: var(--text-dim);
    }

    .badge {
        display: inline-block;
        padding: 4px 12px;
        font-size: 12px;
        border-radius: var(--radius-btn);
        border: 1px solid rgba(24, 224, 200, 0.3);
        color: var(--brand-cyan);
        background: rgba(24, 224, 200, 0.05);
    }

    .badge-gold {
        border-color: rgba(201, 169, 106, 0.4);
        color: var(--gold);
        background: rgba(201, 169, 106, 0.05);
    }

    .read-more {
        color: var(--brand-cyan);
        font-size: 13px;
        margin-left: auto;
        opacity: 0;
        transition: opacity 0.25s ease;
        gap: 6px;
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }

    .news-card:hover .read-more {
        opacity: 1;
    }

    .empty-message {
        text-align: center;
        padding: 60px 20px;
        background: rgba(255, 255, 255, 0.02);
        border: 1px dashed rgba(255, 255, 255, 0.1);
        border-radius: 16px;
        color: var(--text-sub);
        font-size: 15px;
    }

    .empty-message i {
        display: block;
        font-size: 36px;
        margin-bottom: 16px;
        color: var(--text-dim);
    }

    /* ===== FAQ ===== */
    .faq-grid {
        display: flex;
        flex-wrap: wrap;
        margin: 0 -12px;
    }

    .faq-col {
        padding: 0 12px;
        margin-bottom: 16px;
    }

    .faq-card {
        background: linear-gradient(145deg, #151B23 0%, #11161D 100%);
        border: 1px solid var(--border-line);
        border-radius: 12px;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .faq-card.active {
        border-color: rgba(24, 224, 200, 0.25);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px;
        cursor: pointer;
        transition: background 0.2s ease;
    }

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

    .faq-question h4 {
        font-size: 16px;
        font-weight: 500;
        color: var(--text-main);
        margin: 0;
        line-height: 1.5;
    }

    .faq-icon {
        width: 20px;
        height: 20px;
        position: relative;
        flex-shrink: 0;
    }

    .faq-icon::before,
    .faq-icon::after {
        content: '';
        position: absolute;
        background: var(--brand-cyan);
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .faq-icon::before {
        width: 2px;
        height: 16px;
        top: 2px;
        left: 9px;
    }

    .faq-icon::after {
        width: 16px;
        height: 2px;
        top: 9px;
        left: 2px;
    }

    .faq-card.active .faq-icon::before {
        transform: rotate(90deg);
        opacity: 0;
    }

    .faq-card.active .faq-icon::after {
        transform: rotate(180deg);
    }

    .faq-answer {
        padding: 0 20px 20px;
        display: none;
    }

    .faq-card.active .faq-answer {
        display: block;
    }

    .faq-answer p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.8;
        margin: 0;
        padding-top: 4px;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .faq-footer {
        text-align: center;
        margin-top: 30px;
        font-size: 14px;
        color: var(--text-sub);
    }

    .faq-footer a {
        color: var(--brand-cyan);
        margin-left: 6px;
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--bg-deep);
        border-top: 2px solid var(--gradient-brand);
        padding: 50px 0 30px;
        position: relative;
        overflow: hidden;
    }

    .site-footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--gradient-brand);
        opacity: 0.6;
    }

    .footer-top {
        display: flex;
        justify-content: space-between;
        gap: 40px;
        flex-wrap: wrap;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        margin-bottom: 30px;
    }

    .footer-brand {
        max-width: 320px;
    }

    .footer-brand .logo-text {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .footer-brand p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.7;
        margin-bottom: 0;
    }

    .footer-nav {
        display: flex;
        gap: 36px;
    }

    .footer-nav-col h5 {
        font-size: 14px;
        color: var(--text-main);
        margin-bottom: 14px;
        font-weight: 600;
    }

    .footer-nav-col a {
        display: block;
        font-size: 14px;
        color: var(--text-sub);
        padding: 4px 0;
        transition: all 0.25s ease;
    }

    .footer-nav-col a:hover {
        color: var(--brand-cyan);
        transform: translateX(4px);
    }

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: var(--text-dim);
    }

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

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

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .hero-title {
            font-size: 40px;
        }

        .hero-inner {
            gap: 40px;
        }

        .hero-float-card {
            left: 0;
        }

        .stat-item {
            min-width: 130px;
            padding: 20px 24px;
        }
    }

    @media (max-width: 768px) {
        :root {
            --space-section: 60px;
        }

        .hamburger {
            display: flex;
        }

        .nav-menu {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(11, 15, 20, 0.98);
            padding: 20px 24px;
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid var(--border-line);
        }

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

        .nav-menu a {
            display: block;
            width: 100%;
            padding: 12px 0;
            font-size: 16px;
        }

        .nav-menu a::after {
            display: none;
        }

        .nav-btn {
            display: none;
        }

        .hero-section {
            padding: 110px 0 60px;
        }

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

        .hero-title {
            font-size: 34px;
        }

        .hero-subtitle {
            font-size: 16px;
        }

        .hero-img-main img {
            height: 260px;
        }

        .hero-float-card {
            left: 10px;
        }

        .countdown-inner {
            flex-direction: column;
            gap: 18px;
            align-items: center;
        }

        .cd-grid {
            gap: 8px;
        }

        .cd-cell {
            padding: 10px 14px;
            min-width: 72px;
        }

        .cd-number {
            font-size: 28px;
        }

        .cd-divider {
            display: none;
        }

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

        .cta-inner {
            padding: 40px 24px;
        }

        .stats-grid {
            gap: 14px;
        }

        .stat-item {
            flex: 0 0 calc(50% - 14px);
        }

        .read-more {
            display: none;
        }

        .footer-top {
            flex-direction: column;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 18px;
        }

        .hero-title {
            font-size: 30px;
        }

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

        .btn-primary, .btn-ghost {
            width: 100%;
            justify-content: center;
        }

        .feat-col {
            flex: 0 0 100%;
            max-width: 100%;
        }

        .gallery-main,
        .gallery-side {
            flex: 0 0 100%;
            max-width: 100%;
        }

        .gallery-item img {
            height: 200px;
        }

        .stats-grid {
            gap: 10px;
        }

        .stat-item {
            flex: 0 0 100%;
        }

        .news-card {
            flex-direction: column;
            align-items: flex-start;
            padding: 16px;
        }

        .news-thumb {
            width: 100%;
            height: 160px;
        }

        .news-title {
            white-space: normal;
        }

        .news-summary {
            white-space: normal;
            max-height: 40px;
            overflow: hidden;
        }

        .footer-nav {
            flex-wrap: wrap;
            gap: 24px;
        }

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

    @media (max-width: 320px) {
        .cd-grid {
            gap: 4px;
        }

        .cd-cell {
            min-width: 60px;
            padding: 8px 10px;
        }

        .cd-number {
            font-size: 22px;
        }
    }

/* roulang page: article */
:root {
            --bg-deep: #0B0F14;
            --bg-panel: #11161D;
            --bg-card: #151B23;
            --bg-card-hover: #1A212B;
            --primary-cyan: #18E0C8;
            --primary-orange: #FF5C39;
            --accent-gold: #C9A96A;
            --accent-red: #FF3B5C;
            --text-main: #F0F4F8;
            --text-secondary: #A0AAB5;
            --text-muted: #67717D;
            --border-soft: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(24, 224, 200, 0.2);
            --card-radius: 16px;
            --btn-radius: 999px;
            --img-radius: 12px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 0 1px rgba(24, 224, 200, 0.2), 0 8px 30px rgba(24, 224, 200, 0.12);
            --shadow-btn: 0 4px 20px rgba(255, 92, 57, 0.35);
            --grad-main: linear-gradient(135deg, #18E0C8 0%, #FF5C39 100%);
            --grad-reverse: linear-gradient(135deg, #FF5C39 0%, #18E0C8 100%);
            --transition-base: all 0.25s ease;
            --font-body: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "JetBrains Mono", Consolas, "Courier New", monospace;
            --container-max: 1200px;
            --section-padding: 72px 0;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--bg-deep);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary-cyan);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--text-main);
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 12px;
            line-height: 1.3;
            font-weight: 700;
        }

        p {
            margin: 0 0 16px;
        }

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

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 15, 20, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            height: 64px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--grad-main);
            border-radius: 10px;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 0 20px rgba(24, 224, 200, 0.3);
        }

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

        .nav-menu a {
            display: block;
            padding: 8px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            font-weight: 500;
            line-height: 1.4;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: #ffffff;
            background: rgba(24, 224, 200, 0.08);
        }

        .nav-menu a.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            background: var(--primary-cyan);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(24, 224, 200, 0.8);
        }

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

        .nav-actions .icon-btn {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-soft);
            border-radius: 50%;
            background: transparent;
            color: var(--text-secondary);
            font-size: 14px;
            position: relative;
            transition: var(--transition-base);
        }

        .nav-actions .icon-btn:hover {
            color: var(--primary-cyan);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 16px rgba(24, 224, 200, 0.25);
        }

        .nav-actions .icon-btn .noti-dot {
            position: absolute;
            top: 6px;
            right: 7px;
            width: 8px;
            height: 8px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-deep);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: var(--btn-radius);
            font-size: 15px;
            font-weight: 600;
            border: none;
            transition: var(--transition-base);
            line-height: 1.4;
            text-align: center;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--grad-main);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            background: var(--grad-reverse);
            color: #fff;
            box-shadow: 0 6px 32px rgba(255, 92, 57, 0.5), 0 0 40px rgba(24, 224, 200, 0.2);
            transform: translateY(-2px);
        }

        .btn-primary:active,
        .btn:active {
            transform: scale(0.97);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-main);
            border: 1px solid rgba(24, 224, 200, 0.4);
            box-shadow: 0 0 12px rgba(24, 224, 200, 0.08);
        }

        .btn-ghost:hover {
            border-color: var(--primary-cyan);
            background: rgba(24, 224, 200, 0.08);
            color: var(--primary-cyan);
            box-shadow: 0 0 24px rgba(24, 224, 200, 0.15);
        }

        .btn-dark {
            background: #0B0F14;
            color: var(--text-main);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn-dark:hover {
            background: #11161D;
            color: #fff;
            border-color: var(--primary-cyan);
            box-shadow: 0 0 20px rgba(24, 224, 200, 0.25);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            background: transparent;
            color: var(--text-main);
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }

        .article-banner {
            position: relative;
            padding: 140px 0 64px;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.92), rgba(17, 22, 29, 0.85)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(24, 224, 200, 0.15);
            overflow: hidden;
        }

        .article-banner::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -40px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(24, 224, 200, 0.15), transparent 70%);
            pointer-events: none;
        }

        .article-banner::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(255, 92, 57, 0.12), transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-muted);
            margin: 0 2px;
        }

        .breadcrumb .current {
            color: var(--text-main);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 340px;
        }

        .article-meta-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(24, 224, 200, 0.1);
            border: 1px solid rgba(24, 224, 200, 0.25);
            color: var(--primary-cyan);
            font-size: 13px;
            padding: 4px 16px;
            border-radius: 999px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .article-banner h1 {
            font-size: 44px;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            max-width: 860px;
            color: #ffffff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .article-meta-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .article-meta-line .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta-line .meta-item i {
            color: var(--primary-cyan);
            font-size: 13px;
        }

        .article-main {
            padding: 64px 0 48px;
            background: var(--bg-deep);
            position: relative;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            max-width: 860px;
            margin: 0 auto;
        }

        .article-body {
            background: var(--bg-panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--card-radius);
            padding: 48px 56px;
            box-shadow: var(--shadow-card);
        }

        .article-body p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 22px;
        }

        .article-body h2 {
            font-size: 28px;
            margin-top: 36px;
            margin-bottom: 18px;
            color: var(--text-main);
            padding-left: 14px;
            border-left: 4px solid var(--primary-cyan);
        }

        .article-body h3 {
            font-size: 22px;
            margin-top: 28px;
            margin-bottom: 14px;
            color: var(--text-main);
        }

        .article-body h4 {
            font-size: 18px;
            margin-top: 20px;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 22px;
            padding-left: 26px;
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.9;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            background: rgba(24, 224, 200, 0.05);
            border-left: 4px solid var(--primary-cyan);
            border-radius: 0 12px 12px 0;
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.8;
        }

        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-body img {
            border-radius: var(--img-radius);
            margin: 24px 0;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
        }

        .article-body code {
            font-family: var(--font-mono);
            font-size: 14px;
            background: rgba(24, 224, 200, 0.1);
            color: var(--primary-cyan);
            padding: 3px 8px;
            border-radius: 6px;
        }

        .article-body pre {
            background: #0B0F14;
            border: 1px solid var(--border-soft);
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            margin: 24px 0;
        }

        .article-body pre code {
            background: transparent;
            color: #f0f4f8;
            padding: 0;
        }

        .article-body table {
            width: 100%;
            margin: 24px 0;
            border-collapse: collapse;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-soft);
        }

        .article-body table th {
            background: var(--bg-card);
            color: var(--text-main);
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
            border-bottom: 1px solid var(--border-soft);
        }

        .article-body table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-soft);
            color: var(--text-secondary);
            background: var(--bg-panel);
        }

        .article-body table tr:last-child td {
            border-bottom: none;
        }

        .article-body a {
            color: var(--primary-cyan);
            border-bottom: 1px solid rgba(24, 224, 200, 0.3);
        }

        .article-body a:hover {
            color: var(--text-main);
            border-color: var(--text-main);
        }

        .article-post-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 40px;
            padding: 28px 0;
            border-top: 1px solid var(--border-soft);
            flex-wrap: wrap;
        }

        .post-nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            padding: 10px 22px;
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            transition: var(--transition-base);
        }

        .post-nav-item:hover {
            border-color: var(--primary-cyan);
            color: var(--primary-cyan);
            box-shadow: 0 0 16px rgba(24, 224, 200, 0.15);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            align-items: center;
        }

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

        .tag-pill {
            display: inline-block;
            padding: 5px 16px;
            font-size: 13px;
            color: var(--accent-gold);
            background: rgba(201, 169, 106, 0.08);
            border: 1px solid rgba(201, 169, 106, 0.3);
            border-radius: 999px;
            transition: var(--transition-base);
        }

        .tag-pill:hover {
            background: rgba(201, 169, 106, 0.15);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .article-empty {
            padding: 80px 40px;
            text-align: center;
            background: var(--bg-panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
        }

        .article-empty .empty-icon {
            font-size: 48px;
            color: var(--text-muted);
            margin-bottom: 20px;
            display: flex;
            justify-content: center;
        }

        .article-empty h2 {
            font-size: 24px;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .article-empty p {
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        .related-section {
            padding: var(--section-padding);
            background: var(--bg-panel);
            position: relative;
            border-top: 1px solid rgba(24, 224, 200, 0.1);
            border-bottom: 1px solid var(--border-soft);
        }

        .related-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(24, 224, 200, 0.5), transparent);
        }

        .section-title {
            font-size: 34px;
            line-height: 1.3;
            text-align: center;
            margin-bottom: 12px;
            color: var(--text-main);
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 44px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--card-radius);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(24, 224, 200, 0.35);
            box-shadow: var(--shadow-glow);
        }

        .related-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #0B0F14;
        }

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

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

        .related-card .card-img::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(11, 15, 20, 0.6));
            pointer-events: none;
        }

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

        .related-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
            line-height: 1.4;
        }

        .related-card .card-body h3 a {
            color: var(--text-main);
        }

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

        .related-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .related-card .card-meta .cat-label {
            color: var(--primary-cyan);
            font-weight: 500;
        }

        .cta-light {
            padding: 60px 0;
            background: var(--grad-main);
            position: relative;
            overflow: hidden;
        }

        .cta-light::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.04) 0, rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 12px);
            pointer-events: none;
        }

        .cta-light .cta-wrap {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-light h2 {
            font-size: 32px;
            color: #0B0F14;
            margin-bottom: 12px;
            font-weight: 800;
            letter-spacing: -0.3px;
        }

        .cta-light p {
            color: rgba(11, 15, 20, 0.75);
            font-size: 15px;
            margin-bottom: 24px;
        }

        .cta-light .btn-dark {
            background: #0B0F14;
            color: #fff;
            border: none;
            padding: 14px 42px;
            font-size: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        .cta-light .btn-dark:hover {
            background: #11161D;
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
        }

        .cta-light .cta-note {
            font-size: 13px;
            color: rgba(11, 15, 20, 0.6);
            margin-top: 12px;
            margin-bottom: 0;
        }

        .site-footer {
            background: #0B0F14;
            border-top: 2px solid transparent;
            background-image: linear-gradient(#0B0F14, #0B0F14), linear-gradient(90deg, var(--primary-cyan), var(--primary-orange));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            padding: 60px 0 0;
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 60px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border-soft);
            position: relative;
            z-index: 2;
        }

        .footer-brand .logo-text {
            font-size: 24px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 380px;
            margin: 0;
        }

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

        .footer-nav-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .footer-nav-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            padding: 4px 0;
        }

        .footer-nav-col a:hover {
            color: var(--primary-cyan);
            padding-left: 6px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0 28px;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 2;
        }

        .footer-bottom span {
            font-size: 13px;
            color: var(--text-muted);
        }

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

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

        .back-to-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition-base);
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            border-color: var(--primary-cyan);
            color: var(--primary-cyan);
            box-shadow: 0 0 20px rgba(24, 224, 200, 0.25);
        }

        .mobile-drawer-bg {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1100;
            backdrop-filter: blur(4px);
        }

        .mobile-drawer-bg.open {
            display: block;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .nav-menu a {
                padding: 8px 14px;
                font-size: 14px;
            }

            .article-banner h1 {
                font-size: 36px;
            }

            .article-body {
                padding: 36px 32px;
            }

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

        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                display: none;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(11, 15, 20, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                gap: 0;
                padding: 12px 0;
                border-bottom: 1px solid var(--border-soft);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

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

            .nav-menu a {
                padding: 14px 24px;
                font-size: 16px;
                border-radius: 0;
                width: 100%;
                text-align: center;
            }

            .nav-menu a.active::after {
                left: 30%;
                right: 30%;
                bottom: 6px;
            }

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

            .article-banner {
                padding: 120px 0 48px;
            }

            .article-banner h1 {
                font-size: 28px;
                letter-spacing: -0.2px;
            }

            .article-meta-line {
                gap: 14px;
                font-size: 13px;
            }

            .article-main {
                padding: 36px 0 32px;
            }

            .article-body {
                padding: 28px 20px;
                border-radius: 12px;
            }

            .article-body p {
                font-size: 15px;
                line-height: 1.85;
            }

            .article-body h2 {
                font-size: 22px;
            }

            .article-body h3 {
                font-size: 18px;
            }

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

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

            .footer-brand p {
                max-width: 100%;
            }

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

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

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

            .cta-light h2 {
                font-size: 26px;
            }

            .cta-light p {
                font-size: 14px;
            }

            .cta-light .btn-dark {
                padding: 12px 32px;
                font-size: 15px;
            }

            .breadcrumb .current {
                max-width: 220px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

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

            .article-banner {
                padding: 100px 0 36px;
            }

            .article-banner h1 {
                font-size: 22px;
                line-height: 1.4;
            }

            .article-body {
                padding: 24px 16px;
            }

            .article-post-nav {
                flex-direction: column;
                align-items: stretch;
            }

            .post-nav-item {
                justify-content: center;
            }

            .related-card .card-body h3 {
                font-size: 16px;
            }

            .cta-light {
                padding: 40px 0;
            }

            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 38px;
                height: 38px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --bg: #0B0F14;
            --bg-panel: #11161D;
            --bg-card: #151B23;
            --cyan: #18E0C8;
            --orange: #FF5C39;
            --gold: #C9A96A;
            --red: #FF3B5C;
            --text-main: #F0F4F8;
            --text-secondary: #A0AAB5;
            --text-muted: #67717D;
            --border: rgba(255, 255, 255, .08);
            --radius: 16px;
            --radius-sm: 8px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, .4);
            --shadow-hover: 0 0 0 1px rgba(24, 224, 200, .2), 0 8px 30px rgba(24, 224, 200, .12);
            --gradient: linear-gradient(135deg, #18E0C8 0%, #FF5C39 100%);
            --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "JetBrains Mono", Consolas, "Courier New", monospace;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover,
        a:focus {
            color: var(--cyan);
            outline: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        .row {
            margin: 0;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: rgba(11, 15, 20, .96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(8px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -.3px;
            white-space: nowrap;
            color: var(--text-main);
        }
        .logo-text:hover {
            color: var(--text-main);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient);
            border-radius: 10px;
            color: var(--bg);
            font-size: 16px;
            box-shadow: 0 0 18px rgba(24, 224, 200, .3);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-menu a {
            position: relative;
            font-size: 15px;
            color: var(--text-secondary);
            padding: 6px 2px;
            letter-spacing: .2px;
        }
        .nav-menu a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--gradient);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
            box-shadow: 0 0 10px rgba(24, 224, 200, .5);
        }
        .nav-menu a:hover {
            color: var(--text-main);
        }
        .nav-menu a:hover::after {
            transform: scaleX(1);
        }
        .nav-menu a.active {
            color: #fff;
        }
        .nav-menu a.active::after {
            transform: scaleX(1);
            box-shadow: 0 0 12px rgba(255, 92, 57, .55);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--gradient);
            color: #fff !important;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 999px;
            transition: all .25s ease;
            box-shadow: 0 4px 20px rgba(255, 92, 57, .3);
        }
        .btn-header:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 6px 26px rgba(255, 92, 57, .45);
            color: #fff !important;
        }
        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-main);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: 16px;
            align-items: center;
            justify-content: center;
            transition: border-color .25s ease;
        }
        .menu-toggle:hover {
            border-color: var(--cyan);
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(180deg, rgba(11, 15, 20, .86) 0%, rgba(11, 15, 20, .96) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(24, 224, 200, .16) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--cyan);
        }
        .breadcrumb span {
            color: var(--text-muted);
            margin: 0 6px;
        }
        .page-hero h1 {
            font-size: 52px;
            font-weight: 800;
            letter-spacing: -.5px;
            margin-bottom: 14px;
            background: linear-gradient(120deg, #fff 0%, var(--cyan) 60%, var(--orange) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .page-hero .lead {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-cta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient);
            color: #fff !important;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 999px;
            transition: all .25s ease;
            box-shadow: 0 4px 20px rgba(255, 92, 57, .35);
            border: none;
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 92, 57, .45);
            color: #fff !important;
        }
        .btn-primary:active {
            transform: scale(.97);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-main) !important;
            font-weight: 500;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .2);
            transition: all .25s ease;
        }
        .btn-ghost:hover {
            border-color: var(--cyan);
            box-shadow: 0 0 0 1px rgba(24, 224, 200, .2), 0 0 20px rgba(24, 224, 200, .1);
            color: var(--cyan) !important;
            transform: translateY(-1px);
        }

        /* ===== 数据概览 ===== */
        .stats-section {
            padding: 50px 0 30px;
            background: var(--bg);
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 820px;
            margin: 0 auto;
        }
        .stat-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 16px;
            text-align: center;
            transition: all .25s ease;
            position: relative;
            overflow: hidden;
        }
        .stat-item::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--gradient);
            border-radius: 2px;
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(201, 169, 106, .3);
        }
        .stat-num {
            display: block;
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 800;
            background: linear-gradient(120deg, var(--gold) 0%, #E8D5A8 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        .stat-label {
            display: block;
            margin-top: 6px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: -.3px;
            margin-bottom: 10px;
            position: relative;
        }
        .section-head h2 .accent {
            background: linear-gradient(120deg, var(--cyan), var(--orange));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-head p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .section-sub {
            text-align: center;
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ===== 赛事图文卡片 ===== */
        .tournament-section {
            padding: 40px 0 80px;
            background: linear-gradient(180deg, var(--bg) 0%, var(--bg-panel) 100%);
        }
        .tournament-card {
            display: flex;
            align-items: center;
            gap: 40px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 28px;
            transition: all .3s ease;
            overflow: hidden;
        }
        .tournament-card:hover {
            border-color: rgba(24, 224, 200, .35);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .tournament-card:nth-child(even) {
            flex-direction: row-reverse;
        }
        .tournament-media {
            flex: 0 0 46%;
            border-radius: 12px;
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 9;
        }
        .tournament-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .tournament-card:hover .tournament-media img {
            transform: scale(1.04);
        }
        .tournament-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(11, 15, 20, .5) 100%);
            pointer-events: none;
        }
        .tournament-content {
            flex: 1;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(201, 169, 106, .12);
            border: 1px solid rgba(201, 169, 106, .3);
            color: var(--gold);
            letter-spacing: .4px;
            margin-bottom: 12px;
        }
        .tag-green {
            background: rgba(24, 224, 200, .1);
            border-color: rgba(24, 224, 200, .3);
            color: var(--cyan);
        }
        .tag-orange {
            background: rgba(255, 92, 57, .1);
            border-color: rgba(255, 92, 57, .3);
            color: var(--orange);
        }
        .tournament-content h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .tournament-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 18px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .card-meta i {
            color: var(--gold);
            margin-right: 4px;
        }
        .btn-small {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--cyan) !important;
            padding: 8px 20px;
            border: 1px solid rgba(24, 224, 200, .35);
            border-radius: 999px;
            transition: all .25s ease;
        }
        .btn-small:hover {
            background: rgba(24, 224, 200, .1);
            box-shadow: 0 0 16px rgba(24, 224, 200, .15);
            color: var(--cyan) !important;
            transform: translateY(-1px);
        }

        /* ===== 参赛流程 ===== */
        .process-section {
            padding: 80px 0;
            background: var(--bg);
            position: relative;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 10px;
        }
        .process-step {
            text-align: center;
            padding: 36px 18px 28px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            position: relative;
            transition: all .3s ease;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(24, 224, 200, .3);
        }
        .step-number {
            width: 40px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            border-radius: 50%;
            background: var(--gradient);
            color: #fff;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 16px;
            margin: 0 auto 16px;
            box-shadow: 0 0 16px rgba(24, 224, 200, .35);
        }
        .process-step h4 {
            font-size: 17px;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== 其他分类入口 ===== */
        .category-bands {
            padding: 40px 0 80px;
            background: var(--bg-panel);
        }
        .band-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 26px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 32px;
            transition: all .3s ease;
            flex-wrap: wrap;
        }
        .band-card:hover {
            border-color: rgba(255, 92, 57, .35);
            box-shadow: 0 0 0 1px rgba(255, 92, 57, .15), 0 8px 30px rgba(255, 92, 57, .1);
            transform: translateY(-2px);
        }
        .band-info {
            flex: 1;
            min-width: 240px;
        }
        .band-info h3 {
            font-size: 20px;
            margin-bottom: 6px;
        }
        .band-info p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .band-link {
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .faq-grid {
            max-width: 900px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        @media (max-width: 760px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            transition: all .3s ease;
        }
        .faq-item.active {
            border-color: rgba(24, 224, 200, .4);
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            user-select: none;
            transition: color .3s ease;
        }
        .faq-question:hover {
            color: var(--cyan);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-secondary);
            transition: all .3s ease;
        }
        .faq-item.active .faq-icon {
            background: var(--gradient);
            color: #fff;
            border-color: transparent;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, .05);
            padding-top: 14px;
            margin-top: 0;
        }
        .faq-more {
            text-align: center;
            margin-top: 36px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .faq-more a {
            color: var(--cyan);
            font-weight: 500;
        }
        .faq-more a:hover {
            text-decoration: underline;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(120deg, rgba(24, 224, 200, .9) 0%, rgba(255, 92, 57, .92) 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px);
            background-size: 26px 26px;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--bg);
            margin-bottom: 10px;
            letter-spacing: -.3px;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(11, 15, 20, .75);
            margin-bottom: 26px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            color: #fff !important;
            font-weight: 700;
            font-size: 16px;
            padding: 14px 38px;
            border-radius: 999px;
            transition: all .25s ease;
            box-shadow: 0 4px 24px rgba(0, 0, 0, .3);
            border: none;
        }
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, .4);
            color: var(--cyan) !important;
            background: #fff;
        }
        .btn-cta:active {
            transform: scale(.97);
        }
        .cta-note {
            margin-top: 16px;
            font-size: 13px;
            color: rgba(11, 15, 20, .6);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg);
            border-top: 2px solid transparent;
            border-image: var(--gradient) 1;
            padding: 48px 0 0;
            position: relative;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }
        .footer-brand p {
            margin-top: 14px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-nav {
            display: flex;
            gap: 48px;
            justify-content: flex-end;
        }
        .footer-nav-col h5 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .footer-nav-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            line-height: 1.6;
        }
        .footer-nav-col a:hover {
            color: var(--cyan);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding: 20px 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--cyan);
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1024px) {
            .page-hero {
                padding: 120px 0 60px;
            }
            .page-hero h1 {
                font-size: 42px;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                max-width: 100%;
            }
            .tournament-card {
                gap: 24px;
                padding: 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-nav {
                justify-content: flex-start;
            }
        }
        @media (max-width: 760px) {
            body {
                font-size: 15px;
            }
            .site-header .nav-menu {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 15, 20, .98);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px 28px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 18px 40px rgba(0, 0, 0, .5);
            }
            .site-header .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                font-size: 16px;
                padding: 10px 0;
                width: 100%;
            }
            .nav-menu a::after {
                bottom: 4px;
            }
            .menu-toggle {
                display: flex;
            }
            .btn-header {
                padding: 7px 16px;
                font-size: 13px;
            }
            .page-hero {
                padding: 100px 0 50px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero .lead {
                font-size: 15px;
            }
            .section-block,
            .tournament-section,
            .process-section,
            .faq-section,
            .category-bands {
                padding: 50px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .tournament-card,
            .tournament-card:nth-child(even) {
                flex-direction: column;
                gap: 18px;
                padding: 18px;
            }
            .tournament-media {
                flex: none;
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .band-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 22px;
            }
            .faq-grid {
                gap: 14px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-nav {
                flex-direction: column;
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .hero-cta {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta .btn-primary,
            .hero-cta .btn-ghost {
                justify-content: center;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .card-meta {
                gap: 12px;
            }
            .stat-num {
                font-size: 28px;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --bg-dark: #0B0F14;
            --bg-panel: #11161D;
            --bg-card: #151B23;
            --primary: #18E0C8;
            --secondary: #FF5C39;
            --gold: #C9A96A;
            --red: #FF3B5C;
            --text: #F0F4F8;
            --text-secondary: #A0AAB5;
            --text-muted: #67717D;
            --border-light: rgba(255, 255, 255, .08);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, .4);
            --shadow-glow: 0 0 0 1px rgba(24, 224, 200, .2), 0 8px 30px rgba(24, 224, 200, .12);
            --transition-base: .25s ease;
            --font-mono: "JetBrains Mono", Consolas, monospace;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ul,
        ol {
            padding-left: 1.2rem;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

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

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-light);
            height: 64px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: .5px;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-menu a {
            font-size: 15px;
            color: var(--text-secondary);
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-base);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(.4);
            transition: all var(--transition-base);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: #fff;
        }

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            opacity: 1;
            transform: scaleX(1);
            box-shadow: 0 0 10px rgba(24, 224, 200, .45);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login-header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 600;
            transition: transform var(--transition-base), box-shadow var(--transition-base), filter var(--transition-base);
        }

        .btn-login-header:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(255, 92, 57, .35);
            color: #fff;
        }

        .btn-login-header:active {
            transform: scale(.97);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 4px 8px;
        }

        /* ========== 页面 Banner / H1 ========== */
        .page-banner {
            padding: 140px 0 70px;
            position: relative;
            background:
                radial-gradient(ellipse at 20% 30%, rgba(24, 224, 200, .18), transparent 60%),
                radial-gradient(ellipse at 80% 40%, rgba(255, 92, 57, .14), transparent 55%),
                var(--bg-dark);
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
            background-size: 36px 36px;
            pointer-events: none;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-banner h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin: 0 0 16px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(201, 169, 106, .15);
            border: 1px solid rgba(201, 169, 106, .35);
            color: var(--gold);
            font-size: 13px;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
            font-weight: 500;
        }

        .page-banner p.banner-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ========== 分类简介 ========== */
        .category-intro {
            padding: 70px 0 40px;
        }

        .category-intro .intro-box {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 36px 40px;
            display: flex;
            gap: 28px;
            align-items: center;
        }

        .intro-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(24, 224, 200, .2), rgba(255, 92, 57, .2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            border: 1px solid rgba(24, 224, 200, .25);
        }

        .category-intro p {
            margin: 0;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        /* ========== 图文卡片列表 ========== */
        .guide-cards {
            padding: 30px 0 70px;
        }

        .guide-card {
            display: flex;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            margin-bottom: 30px;
            min-height: 260px;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            border-color: rgba(24, 224, 200, .3);
            box-shadow: var(--shadow-glow);
        }

        .guide-card .card-img {
            flex: 0 0 46%;
            position: relative;
            overflow: hidden;
        }

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

        .guide-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, transparent 60%, rgba(24, 224, 200, .15));
            opacity: 0;
            transition: opacity var(--transition-base);
            pointer-events: none;
        }

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

        .guide-card:hover .card-img::after {
            opacity: 1;
        }

        .guide-card .card-img .img-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 12px;
            padding: 4px 14px;
            border-radius: 999px;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(0, 0, 0, .3);
        }

        .guide-card .card-body {
            flex: 1;
            padding: 36px 38px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .guide-card .card-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text);
            line-height: 1.4;
        }

        .guide-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
            flex: 1;
        }

        .guide-card .card-body .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: gap var(--transition-base);
        }

        .guide-card .card-body .card-link:hover {
            gap: 12px;
            color: var(--secondary);
        }

        .guide-card .card-body .card-meta {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
            flex-wrap: wrap;
        }

        .guide-card .card-body .card-meta span {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, .04);
            padding: 3px 10px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .06);
        }

        /* 交替布局 */
        .guide-card.reversed {
            flex-direction: row-reverse;
        }

        /* ========== 参与步骤 / 流程 ========== */
        .steps-section {
            padding: 70px 0;
            background: var(--bg-panel);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            position: relative;
        }

        .steps-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 90% 20%, rgba(24, 224, 200, .08), transparent 50%),
                radial-gradient(ellipse at 10% 90%, rgba(255, 92, 57, .06), transparent 50%);
            pointer-events: none;
        }

        .section-head {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
            z-index: 2;
        }

        .section-head .section-eyebrow {
            font-size: 13px;
            color: var(--gold);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
            font-weight: 600;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text);
            letter-spacing: -0.3px;
        }

        .section-head p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            position: relative;
            transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .step-card:hover {
            transform: translateY(-4px);
            border-color: rgba(24, 224, 200, .3);
            box-shadow: var(--shadow-glow);
        }

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-family: var(--font-mono);
            box-shadow: 0 4px 14px rgba(255, 92, 57, .3);
        }

        .step-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--text);
        }

        .step-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 16px;
            z-index: 3;
            opacity: .6;
        }

        .step-arrow:last-child {
            display: none;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 70px 0;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 26px 28px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(24, 224, 200, .25);
        }

        .faq-item.active {
            border-color: rgba(24, 224, 200, .4);
            box-shadow: var(--shadow-glow);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            gap: 16px;
        }

        .faq-question .faq-icon {
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform .3s ease;
            line-height: 1;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--secondary);
        }

        .faq-answer {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 14px;
            display: none;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }

        .faq-item.active .faq-answer {
            display: block;
            animation: fadeIn .3s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-4px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== CTA 区 ========== */
        .cta-section {
            padding: 80px 0;
            position: relative;
            background: linear-gradient(120deg, var(--primary), var(--secondary));
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(0, 0, 0, .08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 0, 0, .08) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-content h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--bg-dark);
            margin: 0 0 12px;
            letter-spacing: -0.3px;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(11, 15, 20, .75);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .btn-cta-main {
            display: inline-block;
            background: var(--bg-dark);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            padding: 15px 40px;
            border-radius: 999px;
            border: 2px solid rgba(255, 255, 255, .3);
            transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
        }

        .btn-cta-main:hover {
            transform: translateY(-2px);
            color: #fff;
            background: #1a1f27;
            box-shadow: 0 8px 30px rgba(11, 15, 20, .3);
        }

        .btn-cta-main:active {
            transform: scale(.97);
        }

        .cta-note {
            font-size: 13px;
            color: rgba(11, 15, 20, .55);
            margin-top: 18px;
        }

        /* ========== 其他分类入口 ========== */
        .other-categories {
            padding: 70px 0;
        }

        .other-cats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .other-cat-card {
            display: flex;
            align-items: center;
            gap: 22px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            border: 1px solid var(--border-light);
            transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .other-cat-card:hover {
            transform: translateY(-3px);
            border-color: rgba(24, 224, 200, .3);
            box-shadow: var(--shadow-glow);
        }

        .other-cat-card .cat-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(24, 224, 200, .15), rgba(255, 92, 57, .15));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
            border: 1px solid rgba(24, 224, 200, .15);
        }

        .other-cat-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--text);
        }

        .other-cat-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 2px solid linear-gradient(90deg, var(--primary), var(--secondary));
            padding: 60px 0 30px;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-light);
        }

        .footer-brand {
            max-width: 380px;
        }

        .footer-brand .logo-text {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        .footer-nav {
            display: flex;
            gap: 60px;
        }

        .footer-nav-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 16px;
        }

        .footer-nav-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 22px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }

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

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

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .step-arrow {
                display: none;
            }

            .footer-top {
                flex-direction: column;
                gap: 30px;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header {
                height: 58px;
            }

            .hamburger {
                display: block;
            }

            .nav-menu {
                position: fixed;
                top: 58px;
                left: 0;
                right: 0;
                background: var(--bg-dark);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 18px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-120%);
                transition: transform .3s ease;
                z-index: 999;
                box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
            }

            .nav-menu.open {
                transform: translateY(0);
            }

            .nav-cta .btn-login-header {
                display: none;
            }

            .page-banner {
                padding: 110px 0 50px;
            }

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

            .page-banner p.banner-desc {
                font-size: 15px;
            }

            .category-intro {
                padding: 50px 0 30px;
            }

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

            .guide-card,
            .guide-card.reversed {
                flex-direction: column;
            }

            .guide-card .card-img {
                flex: 0 0 200px;
            }

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

            .guide-card .card-body h3 {
                font-size: 19px;
            }

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

            .other-cats-grid {
                grid-template-columns: 1fr;
            }

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

            .cta-content h2 {
                font-size: 26px;
            }

            .btn-cta-main {
                padding: 13px 32px;
                font-size: 15px;
                width: 100%;
                max-width: 300px;
            }

            .footer-nav {
                flex-direction: column;
                gap: 24px;
            }

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

        @media screen and (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .page-banner h1 {
                font-size: 26px;
            }

            .guide-card .card-img {
                flex: 0 0 160px;
            }

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

        /* ========== 辅助 ========== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }