:root {
        --primary-blue: #0a4d8c;
        --light-blue: #1e88e5;
        --bg-color: #f4f7fa;
        --text-main: #333333;
        --text-muted: #666666;
        --white: #ffffff;
    }

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

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

    a {
        text-decoration: none;
        color: var(--light-blue);
    }

    img {
        max-width: 100%;
        display: block;
        border-radius: 8px;
    }

    /* 顶部导航 */
    .main-header {
        background-color: var(--white);
        position: sticky;
        top: 0;
        z-index: 100;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }

    .header-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .logo-box {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: bold;
        font-size: 20px;
        color: var(--primary-blue);
    }

    .logo-box img {
        height: 32px;
        border-radius: 0;
    }

    .nav-links {
        display: flex;
        gap: 20px;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 4px;
    }

    .nav-links a {
        color: var(--text-main);
        font-size: 15px;
        font-weight: 500;
    }

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

    /* 首屏区域 */
    .hero-section {
        background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
        color: var(--white);
        padding: 60px 20px;
        text-align: center;
    }

    .hero-content {
        max-width: 800px;
        margin: 0 auto;
    }

    .hero-content h1 {
        font-size: 32px;
        margin-bottom: 16px;
        line-height: 1.3;
    }

    .hero-content p {
        font-size: 16px;
        margin-bottom: 30px;
        opacity: 0.9;
    }

    .download-btns {
        display: flex;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    .btn {
        display: inline-block;
        padding: 12px 28px;
        border-radius: 30px;
        font-weight: bold;
        font-size: 16px;
        transition: transform 0.2s, background 0.2s;
    }

    .btn:hover {
        transform: scale(1.05);
    }

    .btn-android {
        background-color: #4caf50;
        color: var(--white);
    }

    .btn-ios {
        background-color: #000000;
        color: var(--white);
    }

    /* 轮播图片展示区 */
    .carousel-section {
        padding: 40px 20px;
        max-width: 1200px;
        margin: 0 auto;
        overflow: hidden;
    }

    .rotator-wrap {
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        height: 420px;
    }

    .rotator-item {
        position: absolute;
        width: 220px;
        height: 380px;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        transition: all 0.5s ease;
        opacity: 0.6;
        transform: scale(0.8) translateX(0);
        z-index: 1;
    }

    .rotator-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 0;
    }

    .rotator-item.center {
        opacity: 1;
        transform: scale(1.1) translateX(0);
        z-index: 5;
    }

    .rotator-item.left {
        transform: scale(0.85) translateX(-150px) rotate(-5deg);
        z-index: 3;
    }

    .rotator-item.right {
        transform: scale(0.85) translateX(150px) rotate(5deg);
        z-index: 3;
    }

    .rotator-item.far-left {
        transform: scale(0.7) translateX(-280px) rotate(-10deg);
        z-index: 2;
    }

    .rotator-item.far-right {
        transform: scale(0.7) translateX(280px) rotate(10deg);
        z-index: 2;
    }

    @media (max-width: 768px) {
        .rotator-item { width: 160px; height: 280px; }
        .rotator-item.left { transform: scale(0.85) translateX(-80px) rotate(-5deg); }
        .rotator-item.right { transform: scale(0.85) translateX(80px) rotate(5deg); }
        .rotator-item.far-left, .rotator-item.far-right { opacity: 0; }
        .rotator-wrap { height: 320px; }
    }

    /* 通用区块样式 */
    .section-container {
        padding: 50px 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .section-title {
        font-size: 24px;
        color: var(--primary-blue);
        margin-bottom: 24px;
        text-align: center;
        font-weight: bold;
    }

    .section-title::after {
        content: '';
        display: block;
        width: 40px;
        height: 3px;
        background: var(--light-blue);
        margin: 10px auto 0;
        border-radius: 2px;
    }

    /* 今日更新列表 */
    .update-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 20px;
    }

    .update-card {
        background: var(--white);
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        transition: transform 0.3s;
    }

    .update-card:hover {
        transform: translateY(-5px);
    }

    .update-card img {
        width: 100%;
        height: 240px;
        object-fit: cover;
        border-radius: 0;
    }

    .update-info {
        padding: 12px;
    }

    .update-info h3 {
        font-size: 15px;
        margin-bottom: 8px;
        color: var(--text-main);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

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

    /* 视频排行 */
    .rank-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .rank-item {
        display: flex;
        align-items: center;
        background: var(--white);
        border-radius: 12px;
        padding: 12px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }

    .rank-num {
        font-size: 24px;
        font-weight: bold;
        color: #ff9800;
        width: 40px;
        text-align: center;
    }

    .rank-item:nth-child(2) .rank-num { color: #9e9e9e; }
    .rank-item:nth-child(3) .rank-num { color: #795548; }

    .rank-item img {
        width: 60px;
        height: 80px;
        object-fit: cover;
        margin-right: 16px;
    }

    .rank-text h3 {
        font-size: 16px;
        margin-bottom: 4px;
    }

    .rank-text p {
        font-size: 13px;
        color: var(--text-muted);
    }

    /* 明星八卦图文区 */
    .gossip-layout {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .gossip-card {
        background: var(--white);
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    }

    .gossip-card img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-radius: 0;
    }

    .gossip-content {
        padding: 16px;
    }

    .gossip-content h3 {
        font-size: 18px;
        margin-bottom: 10px;
    }

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

    /* 新增：AI魔改特色 */
    .feature-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-item {
        background: var(--white);
        padding: 24px;
        border-radius: 12px;
        text-align: center;
        border: 1px solid #e0e6ed;
    }

    .feature-item h3 {
        font-size: 18px;
        color: var(--primary-blue);
        margin-bottom: 12px;
    }

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

    /* FAQ手风琴 */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--white);
        border-radius: 8px;
        margin-bottom: 12px;
        overflow: hidden;
    }

    .faq-question {
        padding: 16px 20px;
        font-weight: 600;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .faq-answer {
        padding: 0 20px 16px;
        color: var(--text-muted);
        font-size: 14px;
    }

    /* 底部 */
    .main-footer {
        background-color: #1a202c;
        color: #a0aec0;
        padding: 40px 20px 20px;
        text-align: center;
        font-size: 14px;
    }

    .footer-links {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
        margin-bottom: 20px;
    }

    .footer-links a {
        color: #a0aec0;
    }

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

    .footer-info {
        margin-bottom: 20px;
        line-height: 1.8;
    }

    .update-time {
        font-size: 12px;
        color: #718096;
    }

    /* 响应式断点 */
    @media (min-width: 768px) {
        .hero-content h1 { font-size: 40px; }
        .hero-content p { font-size: 18px; }
        .update-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
        .gossip-layout { grid-template-columns: 1fr 1fr; }
        .feature-grid { grid-template-columns: 1fr 1fr; }
        .rank-list { flex-direction: row; flex-wrap: wrap; }
        .rank-item { flex: 1 1 45%; }
    }

    @media (min-width: 1024px) {
        .hero-section { padding: 80px 20px; }
        .update-grid { grid-template-columns: repeat(5, 1fr); }
        .gossip-layout { grid-template-columns: repeat(3, 1fr); }
        .feature-grid { grid-template-columns: repeat(3, 1fr); }
        .rank-item { flex: 1 1 30%; }
    }