:root {
        --primary: #FF4D4F;
        --secondary: #FFB020;
        --bg-dark: #121214;
        --bg-light: #F8F9FA;
        --text-dark: #1A1A1D;
        --text-light: #F4F4F5;
        --text-muted: #8E8E93;
        --radius-lg: 16px;
        --radius-md: 8px;
        --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

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

    body {
        font-family: var(--font-sans);
        background-color: var(--bg-light);
        color: var(--text-dark);
        line-height: 1.6;
        -webkit-font-smoothing: antialiased;
        padding-bottom: 70px;
    }

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

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

    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 16px;
    }

    /* Header */
    .header {
        background-color: #fff;
        border-bottom: 1px solid #E5E5EA;
        position: sticky;
        top: 0;
        z-index: 50;
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 60px;
    }

    .logo-wrap {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 20px;
        font-weight: 700;
        color: var(--text-dark);
    }

    .logo-wrap img {
        height: 32px;
        border-radius: 8px;
    }

    .nav-pc {
        display: flex;
        gap: 24px;
        font-size: 15px;
        font-weight: 500;
    }
    
    .nav-pc a:hover {
        color: var(--primary);
    }

    .mobile-menu-btn {
        display: none;
        background: none;
        border: none;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
    }

    .mobile-menu {
        display: none;
        flex-direction: column;
        background: #fff;
        padding: 12px 16px;
        border-bottom: 1px solid #E5E5EA;
    }
    
    .mobile-menu.active {
        display: flex;
    }

    .mobile-menu a {
        padding: 10px 0;
        font-size: 15px;
        border-bottom: 1px solid #F2F2F7;
    }

    /* Hero */
    .hero {
        background: linear-gradient(135deg, #1A1A1D 0%, #2C2C30 100%);
        color: var(--text-light);
        padding: 40px 0;
        position: relative;
        overflow: hidden;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 24px;
    }

    .hero h1 {
        font-size: 32px;
        line-height: 1.3;
        font-weight: 800;
        background: linear-gradient(90deg, #FFD700, #FF4D4F);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        margin-bottom: 16px;
        padding: 0 10px;
    }

    .hero p {
        font-size: 16px;
        color: #A1A1AA;
        max-width: 600px;
        margin: 0 auto 24px;
    }

    .download-group {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
        width: 100%;
        padding: 0 10px;
    }

    .dl-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 24px;
        border-radius: 30px;
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        background: linear-gradient(90deg, #FF4D4F, #FF7A45);
        box-shadow: 0 4px 12px rgba(255, 77, 79, 0.3);
        transition: transform 0.2s;
        border: none;
        cursor: pointer;
        white-space: nowrap;
    }

    .dl-btn:hover {
        transform: translateY(-2px);
    }

    .dl-btn.secondary {
        background: rgba(255, 255, 255, 0.1);
        color: #fff;
        box-shadow: none;
        border: 1px solid rgba(255,255,255,0.2);
    }

    /* Marquee */
    .marquee-wrap {
        background: #000;
        padding: 12px 0;
        overflow: hidden;
        white-space: nowrap;
    }

    .marquee-content {
        display: inline-block;
        animation: marquee 20s linear infinite;
    }

    .marquee-content span {
        font-size: 18px;
        font-weight: 700;
        margin-right: 40px;
        background: linear-gradient(90deg, #FF4D4F, #FFD700, #00E5FF);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    @keyframes marquee {
        0% { transform: translateX(0); }
        100% { transform: translateX(-50%); }
    }

    /* Sections General */
    section {
        padding: 48px 0;
    }

    .section-title {
        font-size: 24px;
        font-weight: 800;
        margin-bottom: 24px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .section-title::before {
        content: '';
        display: block;
        width: 4px;
        height: 20px;
        background: var(--primary);
        border-radius: 2px;
    }

    /* Section 1: 昨日爆款 (Bento Grid) */
    .section-hot {
        background: #FFF5F5;
    }

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

    .bento-item {
        background: #fff;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        display: flex;
        flex-direction: column;
    }

    .bento-item img {
        width: 100%;
        aspect-ratio: 3/4;
        object-fit: cover;
    }

    .bento-info {
        padding: 16px;
    }

    .bento-info h3 {
        font-size: 18px;
        margin-bottom: 8px;
        color: var(--text-dark);
    }

    .bento-info p {
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .tag-list {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }

    .tag {
        font-size: 11px;
        background: #F2F2F7;
        color: #636366;
        padding: 4px 8px;
        border-radius: 4px;
    }

    .tag.hot-tag {
        background: #FFE4E4;
        color: var(--primary);
    }

    /* Section 2: 完结精选 (Horizontal Scroll) */
    .section-complete {
        background: #F0F7FF;
    }

    .scroll-row {
        display: flex;
        gap: 16px;
        overflow-x: auto;
        padding-bottom: 16px;
        scrollbar-width: none;
    }
    
    .scroll-row::-webkit-scrollbar {
        display: none;
    }

    .scroll-card {
        flex: 0 0 200px;
        background: #fff;
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }

    .scroll-card img {
        width: 100%;
        aspect-ratio: 3/4;
        object-fit: cover;
    }

    .scroll-card-info {
        padding: 12px;
    }

    .scroll-card-info h3 {
        font-size: 15px;
        margin-bottom: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .scroll-card-info p {
        font-size: 12px;
        color: var(--text-muted);
    }

    /* Section 3: 飙升热榜 (List with Timeline) */
    .section-trending {
        background: #F8F9FA;
    }

    .trending-layout {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

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

    .trending-item {
        display: flex;
        align-items: center;
        background: #fff;
        padding: 12px;
        border-radius: var(--radius-md);
        box-shadow: 0 1px 4px rgba(0,0,0,0.03);
    }

    .rank-num {
        font-size: 20px;
        font-weight: 900;
        color: #D1D1D6;
        width: 36px;
        font-style: italic;
    }

    .trending-item:nth-child(1) .rank-num { color: #FF3B30; }
    .trending-item:nth-child(2) .rank-num { color: #FF9500; }
    .trending-item:nth-child(3) .rank-num { color: #FFCC00; }

    .trending-item img {
        width: 50px;
        height: 70px;
        border-radius: 4px;
        object-fit: cover;
        margin-right: 12px;
    }

    .trending-info {
        flex: 1;
    }

    .trending-info h3 {
        font-size: 15px;
        margin-bottom: 4px;
    }

    .trending-info p {
        font-size: 12px;
        color: var(--text-muted);
    }

    .timeline-box {
        background: #fff;
        padding: 20px;
        border-radius: var(--radius-lg);
    }

    .timeline-title {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 16px;
    }

    .timeline {
        position: relative;
        padding-left: 20px;
        border-left: 2px solid #E5E5EA;
    }

    .timeline-item {
        position: relative;
        margin-bottom: 16px;
    }

    .timeline-item::before {
        content: '';
        position: absolute;
        left: -27px;
        top: 4px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: var(--primary);
        border: 2px solid #fff;
    }

    .timeline-time {
        font-size: 13px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 4px;
    }

    .timeline-desc {
        font-size: 14px;
        color: var(--text-dark);
    }

    /* Section 4: 沉浸式互动剧 (Split Layout) */
    .section-interactive {
        background: #FFF8E1;
    }

    .split-layout {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

    .split-left {
        flex: 1;
    }

    .split-left img {
        width: 100%;
        border-radius: var(--radius-lg);
        box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    }

    .split-right {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .qa-item {
        background: #fff;
        padding: 16px;
        border-radius: var(--radius-md);
        box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    }

    .qa-q {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .qa-q::before {
        content: 'Q';
        background: var(--primary);
        color: #fff;
        width: 20px;
        height: 20px;
        border-radius: 4px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
    }

    .qa-a {
        font-size: 14px;
        color: var(--text-muted);
        padding-left: 28px;
    }

    /* Section 5: 创作者激励 & 神评墙 */
    .section-creator {
        background: #F3E8FF;
    }
    
    .creator-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .creator-card {
        background: #fff;
        padding: 20px;
        border-radius: var(--radius-lg);
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }

    .creator-card h3 {
        font-size: 16px;
        margin-bottom: 12px;
        color: #6B21A8;
    }

    .creator-card p {
        font-size: 14px;
        color: var(--text-muted);
    }

    .comment-wall {
        background: #fff;
        padding: 20px;
        border-radius: var(--radius-lg);
        margin-top: 16px;
    }

    .comment-item {
        display: flex;
        gap: 12px;
        padding: 12px 0;
        border-bottom: 1px solid #F2F2F7;
    }

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

    .comment-avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        object-fit: cover;
        flex-shrink: 0;
    }

    .comment-content h4 {
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 4px;
    }

    .comment-content p {
        font-size: 14px;
        color: var(--text-dark);
    }

    /* Section 6: 未成年人保护 & 意见反馈 */
    .section-safety {
        background: #E8F5E9;
    }

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

    .safety-card {
        background: #fff;
        padding: 20px;
        border-radius: var(--radius-lg);
        border-left: 4px solid #4CAF50;
    }

    .safety-card h3 {
        font-size: 16px;
        margin-bottom: 8px;
        color: #2E7D32;
    }

    .safety-card p {
        font-size: 14px;
        color: var(--text-muted);
    }

    /* Section 7: 安装步骤 */
    .section-install {
        background: #1A1A1D;
        color: var(--text-light);
    }

    .section-install .section-title {
        color: #fff;
    }

    .install-steps {
        display: flex;
        flex-direction: column;
        gap: 16px;
        margin-bottom: 32px;
    }

    .step-item {
        display: flex;
        gap: 16px;
        background: rgba(255,255,255,0.05);
        padding: 16px;
        border-radius: var(--radius-md);
    }

    .step-num {
        background: var(--primary);
        color: #fff;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        flex-shrink: 0;
    }

    .step-text h4 {
        font-size: 16px;
        margin-bottom: 4px;
    }

    .step-text p {
        font-size: 14px;
        color: #A1A1AA;
    }

    /* Footer */
    .footer {
        background: #121214;
        color: #636366;
        padding: 32px 0;
        font-size: 12px;
        text-align: center;
        border-top: 1px solid #2C2C30;
    }

    .footer p {
        margin-bottom: 8px;
    }

    .footer a {
        color: #8E8E93;
        text-decoration: underline;
    }

    .footer a:hover {
        color: #fff;
    }

    /* Floating Download */
    .floating-download {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(26, 26, 29, 0.95);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255,255,255,0.1);
        padding: 8px 20px;
        border-radius: 40px;
        display: flex;
        align-items: center;
        gap: 12px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        z-index: 100;
        transition: transform 0.3s;
    }

    .floating-download img {
        width: 28px;
        height: 28px;
        border-radius: 50%;
    }

    .floating-download .dl-btn {
        padding: 8px 20px;
        font-size: 14px;
    }

    /* Modal for Baidu App */
    .modal-overlay {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.6);
        z-index: 200;
        align-items: center;
        justify-content: center;
    }
    
    .modal-overlay.active {
        display: flex;
    }

    .modal-box {
        background: #fff;
        width: 80%;
        max-width: 320px;
        border-radius: var(--radius-lg);
        padding: 24px;
        text-align: center;
    }

    .modal-box p {
        font-size: 14px;
        margin-bottom: 16px;
        color: #333;
    }

    .modal-box input {
        width: 100%;
        padding: 10px;
        border: 1px solid #ddd;
        border-radius: 6px;
        margin-bottom: 16px;
        font-size: 13px;
        text-align: center;
        background: #F8F9FA;
    }

    .modal-box button {
        width: 100%;
        padding: 12px;
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: 30px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
    }

    /* Responsive */
    @media (min-width: 768px) {
        .nav-pc { display: flex; }
        .mobile-menu-btn { display: none; }
        .mobile-menu { display: none !important; }
        
        .hero h1 { font-size: 40px; }
        
        .bento-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .trending-layout {
            flex-direction: row;
        }
        .trending-list { flex: 2; }
        .timeline-box { flex: 1; }
        
        .split-layout {
            flex-direction: row;
            align-items: center;
        }
        .split-left, .split-right { flex: 1; }
        
        .creator-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .safety-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .install-steps {
            flex-direction: row;
            flex-wrap: wrap;
        }
        .step-item {
            flex: 1;
            min-width: 200px;
        }
    }

    @media (min-width: 1024px) {
        .hero h1 { font-size: 48px; }
        
        .bento-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        
        .creator-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        
        .safety-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    @media (max-width: 767px) {
        .nav-pc { display: none; }
        .mobile-menu-btn { display: block; }
        
        .hero { padding: 30px 0; }
        .hero h1 { font-size: 26px; }
        .hero p { font-size: 14px; }
        
        .dl-btn {
            padding: 10px 18px;
            font-size: 14px;
        }
        
        .section-title { font-size: 20px; }
        
        .scroll-card { flex: 0 0 140px; }
        .scroll-card-info h3 { font-size: 13px; }
        
        .trending-item img { width: 40px; height: 56px; }
        
        .floating-download {
            width: 90%;
            justify-content: space-between;
        }
        
        .footer { padding-bottom: 90px; }
    }