:root {
        --primary: #ff2a55;
        --primary-gradient: linear-gradient(135deg, #ff2a55 0%, #ff6b00 100%);
        --secondary: #7b2cbf;
        --bg-dark: #0f0f13;
        --bg-light: #f8f9fa;
        --text-dark: #1a1a1a;
        --text-light: #ffffff;
        --text-muted: #888888;
        --radius-lg: 24px;
        --radius-md: 16px;
        --radius-sm: 8px;
        --transition: all 0.3s ease;
    }

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
        -webkit-tap-highlight-color: transparent;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        background-color: var(--bg-light);
        color: var(--text-dark);
        line-height: 1.6;
        overflow-x: hidden;
        padding-bottom: 80px;
    }

    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }
    img { max-width: 100%; display: block; }

    /* 导航 */
    .main-nav {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(15, 15, 19, 0.95);
        backdrop-filter: blur(10px);
        padding: 15px 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .logo-group { display: flex; align-items: center; gap: 10px; }
    .logo-group img { height: 32px; width: auto; border-radius: 6px; }
    .logo-group span { color: #fff; font-size: 20px; font-weight: 800; letter-spacing: 1px; }

    .nav-links { display: none; gap: 20px; }
    .nav-links a { color: #ddd; font-size: 14px; font-weight: 500; }
    .nav-links a:hover { color: var(--primary); }

    .nav-toggle {
        background: none;
        border: none;
        color: #fff;
        font-size: 24px;
        cursor: pointer;
        display: block;
    }

    .mobile-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #0f0f13;
        padding: 10px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        flex-direction: column;
        gap: 15px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    }
    .mobile-menu.active { display: flex; }
    .mobile-menu a { color: #fff; font-size: 14px; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }

    /* 首屏 Hero */
    .hero {
        background: linear-gradient(180deg, #1a0b1c 0%, #0f0f13 100%);
        padding: 40px 20px 60px;
        position: relative;
        overflow: hidden;
        color: var(--text-light);
    }

    .hero-content { position: relative; z-index: 2; text-align: center; max-width: 800px; margin: 0 auto; }
    .hero h1 { font-size: 32px; font-weight: 900; margin-bottom: 16px; line-height: 1.3; background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .hero p { font-size: 16px; color: #bbaacc; margin-bottom: 30px; line-height: 1.8; }

    .hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 40px; }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 24px;
        border-radius: 30px;
        font-weight: bold;
        font-size: 15px;
        transition: var(--transition);
        cursor: pointer;
        border: none;
    }
    .btn-primary { background: var(--primary-gradient); color: #fff; box-shadow: 0 4px 15px rgba(255, 42, 85, 0.4); }
    .btn-secondary { background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.2); backdrop-filter: blur(5px); }
    .btn:hover { transform: translateY(-2px); opacity: 0.9; }

    /* 轮播图 */
    .carousel-wrapper {
        position: relative;
        width: 100%;
        max-width: 1000px;
        margin: 0 auto;
        border-radius: var(--radius-lg);
        overflow: hidden;
        aspect-ratio: 16/9;
        box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    }
    .carousel-track {
        display: flex;
        transition: transform 0.5s ease-in-out;
        height: 100%;
    }
    .carousel-slide {
        min-width: 100%;
        height: 100%;
        position: relative;
    }
    .carousel-slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .carousel-caption {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        padding: 40px 20px 20px;
        background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
        color: #fff;
        text-align: left;
    }
    .carousel-caption h3 { font-size: 18px; margin-bottom: 5px; }
    .carousel-caption p { font-size: 13px; color: #ccc; margin-bottom: 0; }

    /* 跑马灯 */
    .marquee-container {
        background: #000;
        padding: 10px 0;
        overflow: hidden;
        white-space: nowrap;
        position: relative;
    }
    .marquee-content {
        display: inline-block;
        animation: marquee 20s linear infinite;
        font-size: 14px;
        font-weight: bold;
    }
    .marquee-content span {
        margin-right: 30px;
        background: var(--primary-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    @keyframes marquee {
        0% { transform: translateX(0); }
        100% { transform: translateX(-50%); }
    }

    /* 今日上新 */
    .section-update {
        background-color: #fdf2f5;
        padding: 40px 20px;
    }
    .section-header { text-align: center; margin-bottom: 30px; }
    .section-header h2 { font-size: 24px; font-weight: 800; color: var(--text-dark); display: inline-block; position: relative; padding-bottom: 10px; }
    .section-header h2::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 40px; height: 4px; background: var(--primary); border-radius: 2px; }
    
    .update-grid {
        display: grid;
        grid-template-columns: repeat(1, 1fr);
        gap: 20px;
        max-width: 1000px;
        margin: 0 auto;
    }
    .update-card {
        background: #fff;
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        display: flex;
        flex-direction: column;
    }
    .update-card-img {
        width: 100%;
        aspect-ratio: 3/4;
        object-fit: cover;
    }
    .update-card-info { padding: 15px; display: flex; flex-direction: column; flex: 1; }
    .update-card-info h3 { font-size: 16px; margin-bottom: 5px; color: var(--text-dark); }
    .update-card-info p { font-size: 13px; color: var(--text-muted); margin-bottom: 10px; flex: 1; }
    .update-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
    .update-tags span { font-size: 11px; padding: 3px 8px; background: #fff0f3; color: var(--primary); border-radius: 4px; }
    .update-date { font-size: 12px; color: #999; display: flex; justify-content: space-between; border-top: 1px dashed #eee; padding-top: 10px; }

    /* 互动短剧 - 左右结构 */
    .section-interactive {
        background-color: #eef7ff;
        padding: 40px 20px;
    }
    .split-container {
        max-width: 1000px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 30px;
    }
    .split-left {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }
    .split-left img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        aspect-ratio: 3/4;
    }
    .split-right h2 { font-size: 24px; font-weight: 800; color: #1a1a1a; margin-bottom: 20px; }
    .interactive-list {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    .interactive-item {
        background: #fff;
        border-radius: var(--radius-md);
        padding: 15px;
        display: flex;
        gap: 15px;
        align-items: flex-start;
        box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }
    .interactive-num {
        width: 28px;
        height: 28px;
        background: #ffe4e8;
        color: var(--primary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        font-size: 14px;
        flex-shrink: 0;
    }
    .interactive-item h3 { font-size: 15px; margin-bottom: 4px; }
    .interactive-item p { font-size: 13px; color: #666; }

    /* 竖屏微短剧 - 横向滑动列表 */
    .section-short {
        background-color: #f7f5ff;
        padding: 40px 20px;
        overflow: hidden;
    }
    .h-scroll-container {
        display: flex;
        gap: 15px;
        overflow-x: auto;
        padding: 10px 20px 30px;
        margin: 0 -20px;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
    }
    .h-scroll-container::-webkit-scrollbar { display: none; }
    .h-card {
        min-width: 220px;
        background: #fff;
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        scroll-snap-align: start;
    }
    .h-card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
    .h-card-info { padding: 12px; }
    .h-card-info h3 { font-size: 15px; margin-bottom: 5px; }
    .h-card-info p { font-size: 12px; color: #888; margin-bottom: 10px; }

    /* 同人二创社 - 瀑布流 */
    .section-fan {
        background-color: #fffaf0;
        padding: 40px 20px;
    }
    .waterfall-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        max-width: 1000px;
        margin: 0 auto;
    }
    .waterfall-item {
        break-inside: avoid;
        margin-bottom: 15px;
        background: #fff;
        border-radius: var(--radius-md);
        overflow: hidden;
        padding: 12px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }
    .waterfall-item img { border-radius: var(--radius-sm); margin-bottom: 10px; width: 100%; object-fit: cover; }
    .waterfall-item h4 { font-size: 14px; margin-bottom: 5px; color: #333; }
    .waterfall-item p { font-size: 12px; color: #777; }

    /* 创作者激励计划 */
    .section-creator {
        background: linear-gradient(135deg, #1d1029 0%, #3b1854 100%);
        color: #fff;
        padding: 50px 20px;
    }
    .creator-content {
        max-width: 800px;
        margin: 0 auto;
        text-align: center;
    }
    .creator-content h2 { font-size: 26px; margin-bottom: 15px; color: #ffd700; }
    .creator-content > p { font-size: 15px; color: #d1c4e9; margin-bottom: 30px; }
    .creator-steps {
        display: flex;
        flex-direction: column;
        gap: 15px;
        text-align: left;
        margin-bottom: 30px;
    }
    .creator-step {
        background: rgba(255,255,255,0.08);
        padding: 15px 20px;
        border-radius: var(--radius-md);
        border-left: 4px solid #ffd700;
    }
    .creator-step h3 { font-size: 16px; margin-bottom: 5px; }
    .creator-step p { font-size: 13px; color: #ccc; }

    /* 时间轴 */
    .section-timeline {
        background-color: #f0f4f8;
        padding: 40px 20px;
    }
    .timeline {
        position: relative;
        max-width: 800px;
        margin: 0 auto;
        padding-left: 30px;
    }
    .timeline::before {
        content: '';
        position: absolute;
        left: 10px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: #d0d7de;
    }
    .timeline-item {
        position: relative;
        margin-bottom: 25px;
    }
    .timeline-item::before {
        content: '';
        position: absolute;
        left: -24px;
        top: 5px;
        width: 10px;
        height: 10px;
        background: var(--primary);
        border-radius: 50%;
        border: 2px solid #fff;
        box-shadow: 0 0 0 2px var(--primary);
    }
    .timeline-time { font-weight: 800; color: var(--primary); font-size: 15px; margin-bottom: 5px; }
    .timeline-content { background: #fff; padding: 15px; border-radius: var(--radius-sm); box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
    .timeline-content h4 { font-size: 15px; margin-bottom: 5px; }
    .timeline-content p { font-size: 13px; color: #666; }

    /* 用户神评墙 */
    .section-reviews {
        background-color: #fff0f5;
        padding: 40px 20px;
    }
    .reviews-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 15px;
        max-width: 1000px;
        margin: 0 auto;
    }
    .review-card {
        background: #fff;
        padding: 20px;
        border-radius: var(--radius-md);
        box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        display: flex;
        gap: 15px;
    }
    .review-avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        overflow: hidden;
        flex-shrink: 0;
    }
    .review-avatar img { width: 100%; height: 100%; object-fit: cover; }
    .review-body { flex: 1; }
    .review-body h4 { font-size: 14px; color: #333; margin-bottom: 5px; }
    .review-body p { font-size: 13px; color: #555; line-height: 1.5; font-style: italic; }

    /* 隐私安全 & 常见问题 */
    .section-safety {
        background-color: #e8f5e9;
        padding: 40px 20px;
    }
    .faq-container {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        background: #fff;
        border-radius: var(--radius-md);
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }
    .faq-question {
        padding: 15px 20px;
        font-weight: bold;
        font-size: 15px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        background: #fafafa;
    }
    .faq-answer {
        padding: 15px 20px;
        font-size: 14px;
        color: #555;
        border-top: 1px solid #eee;
        display: none;
    }
    .faq-item.active .faq-answer { display: block; }
    .faq-item.active .faq-question { color: var(--primary); }

    /* 客户端下载 && 安装步骤 */
    .section-download {
        background: #111;
        color: #fff;
        padding: 50px 20px;
    }
    .install-steps {
        max-width: 800px;
        margin: 0 auto 40px;
        text-align: center;
    }
    .install-steps h2 { font-size: 24px; margin-bottom: 20px; color: var(--primary); }
    .steps-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 15px;
        text-align: left;
    }
    .step-box {
        background: #222;
        padding: 20px;
        border-radius: var(--radius-md);
        border: 1px solid #333;
    }
    .step-box h3 { font-size: 16px; color: #fff; margin-bottom: 8px; }
    .step-box p { font-size: 13px; color: #aaa; }

    .download-buttons {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
        max-width: 800px;
        margin: 0 auto;
    }

    /* 浮动下载窗口 */
    .floating-download {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--primary-gradient);
        color: #fff;
        padding: 10px 24px;
        border-radius: 30px;
        display: flex;
        align-items: center;
        gap: 10px;
        box-shadow: 0 10px 30px rgba(255, 42, 85, 0.4);
        z-index: 999;
        font-weight: bold;
        font-size: 15px;
        transition: var(--transition);
    }
    .floating-download img { height: 24px; border-radius: 4px; }
    .floating-download:hover { transform: translateX(-50%) translateY(-3px); }

    /* 弹窗 */
    .copy-modal {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.7);
        display: none;
        align-items: center;
        justify-content: center;
        z-index: 1000;
        padding: 20px;
    }
    .copy-modal.active { display: flex; }
    .modal-content {
        background: #fff;
        border-radius: var(--radius-lg);
        padding: 30px 20px;
        text-align: center;
        max-width: 320px;
        width: 100%;
    }
    .modal-content p { color: #333; font-size: 15px; margin-bottom: 15px; line-height: 1.5; }
    .modal-content input {
        width: 100%;
        padding: 12px;
        margin-bottom: 20px;
        border: 1px solid #ddd;
        border-radius: var(--radius-sm);
        text-align: center;
        font-size: 14px;
        background: #f9f9f9;
    }
    .modal-content button {
        width: 100%;
        padding: 12px;
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: var(--radius-sm);
        font-size: 16px;
        font-weight: bold;
        cursor: pointer;
    }

    /* 页脚 */
    .footer {
        background: #f8f9fa;
        padding: 30px 20px;
        text-align: center;
        border-top: 1px solid #eee;
        font-size: 12px;
        color: #999;
    }
    .footer-links a { color: #666; margin: 0 10px; }
    .footer-info { margin: 15px 0; }
    .footer-time { font-size: 11px; color: #aaa; margin-top: 10px; }

    /* 响应式断点 */
    @media (min-width: 768px) {
        .hero h1 { font-size: 42px; }
        .nav-links { display: flex; }
        .nav-toggle { display: none; }
        .mobile-menu { display: none !important; }
        
        .update-grid { grid-template-columns: repeat(2, 1fr); }
        .split-container { flex-direction: row; align-items: center; }
        .split-left { flex: 1; }
        .split-right { flex: 1.2; }
        .reviews-grid { grid-template-columns: repeat(2, 1fr); }
        .steps-grid { grid-template-columns: repeat(3, 1fr); }
        .waterfall-grid { grid-template-columns: repeat(3, 1fr); }
        .creator-steps { flex-direction: row; } /* 水平排列 */
        .creator-step { flex: 1; }
    }

    @media (min-width: 1024px) {
        .hero h1 { font-size: 56px; }
        .update-grid { grid-template-columns: repeat(3, 1fr); }
        .waterfall-grid { grid-template-columns: repeat(4, 1fr); }
        .reviews-grid { grid-template-columns: repeat(3, 1fr); }
        .h-card { min-width: 260px; }
    }