:root {
        --yellow: #FFD700;
        --black: #0a0a0a;
        --dark-grey: #1a1a1a;
        --light-grey: #2a2a2a;
        --text-main: #f0f0f0;
        --text-muted: #a0a0a0;
        --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    }
    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    body {
        font-family: var(--font-main);
        background-color: var(--black);
        color: var(--text-main);
        line-height: 1.6;
        overflow-x: hidden;
    }
    a {
        text-decoration: none;
        color: inherit;
    }
    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }
    /* 导航栏 */
    .header {
        position: sticky;
        top: 0;
        background-color: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(10px);
        z-index: 100;
        border-bottom: 1px solid var(--light-grey);
    }
    .header-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 70px;
    }
    .logo-box {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .logo-box img {
        height: 36px;
        width: auto;
        display: block;
    }
    .logo-text {
        font-size: 20px;
        font-weight: bold;
        color: var(--text-main);
        letter-spacing: 1px;
    }
    .nav-btn {
        background-color: var(--yellow);
        color: var(--black);
        padding: 8px 20px;
        border-radius: 20px;
        font-weight: bold;
        font-size: 14px;
        transition: transform 0.2s;
    }
    .nav-btn:hover {
        transform: scale(1.05);
    }
    /* 主屏 */
    .hero {
        padding: 60px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: radial-gradient(circle at 70% 50%, #2a2000 0%, var(--black) 70%);
        min-height: 80vh;
    }
    .hero-content {
        flex: 1;
        max-width: 50%;
    }
    .hero-title {
        font-size: 48px;
        font-weight: 900;
        line-height: 1.2;
        margin-bottom: 20px;
    }
    .hero-title span {
        color: var(--yellow);
    }
    .hero-subtitle {
        font-size: 18px;
        color: var(--text-muted);
        margin-bottom: 40px;
    }
    .hero-btn {
        display: inline-block;
        background-color: var(--yellow);
        color: var(--black);
        font-size: 20px;
        font-weight: bold;
        padding: 16px 40px;
        border-radius: 30px;
        transition: background 0.2s, transform 0.1s;
        box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
    }
    .hero-btn:hover {
        background-color: #ffea75;
        transform: translateY(-2px);
    }
    .hero-visual {
        flex: 1;
        display: flex;
        justify-content: flex-end;
        position: relative;
    }
    .hero-img {
        width: 100%;
        max-width: 380px;
        border-radius: 16px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.8);
        border: 1px solid var(--light-grey);
    }
    /* 数据轮播 */
    .stats {
        background-color: var(--dark-grey);
        padding: 40px 0;
        border-top: 1px solid var(--light-grey);
        border-bottom: 1px solid var(--light-grey);
    }
    .stats-grid {
        display: flex;
        justify-content: space-around;
        text-align: center;
    }
    .stat-item h3 {
        font-size: 32px;
        color: var(--yellow);
        margin-bottom: 5px;
    }
    .stat-item p {
        font-size: 14px;
        color: var(--text-muted);
    }
    /* 平台介绍 */
    .section-title {
        font-size: 32px;
        text-align: center;
        margin-bottom: 40px;
        font-weight: bold;
    }
    .section-title span {
        color: var(--yellow);
    }
    .intro {
        padding: 80px 0;
    }
    .intro-inner {
        display: flex;
        gap: 40px;
        align-items: center;
    }
    .intro-text {
        flex: 1;
    }
    .intro-text p {
        margin-bottom: 20px;
        font-size: 16px;
        color: var(--text-muted);
        line-height: 1.8;
    }
    .intro-images {
        flex: 1;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .intro-images img {
        width: 100%;
        border-radius: 12px;
        border: 1px solid var(--light-grey);
    }
    /* 平台优势 */
    .features {
        padding: 80px 0;
        background-color: var(--dark-grey);
    }
    .features-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    .feature-card {
        background-color: var(--black);
        padding: 30px;
        border-radius: 16px;
        border: 1px solid var(--light-grey);
        text-align: center;
    }
    .feature-card h3 {
        font-size: 20px;
        color: var(--yellow);
        margin-bottom: 15px;
    }
    .feature-card p {
        font-size: 15px;
        color: var(--text-muted);
    }
    /* 今日上新 / 热播榜 */
    .new-release {
        padding: 80px 0;
    }
    .scroll-row {
        display: flex;
        gap: 20px;
        overflow-x: auto;
        padding-bottom: 20px;
        scrollbar-width: thin;
        scrollbar-color: var(--yellow) var(--dark-grey);
    }
    .scroll-row::-webkit-scrollbar {
        height: 8px;
    }
    .scroll-row::-webkit-scrollbar-thumb {
        background: var(--yellow);
        border-radius: 4px;
    }
    .scroll-item {
        flex: 0 0 200px;
        display: flex;
        flex-direction: column;
    }
    .scroll-item img {
        width: 100%;
        height: 280px;
        object-fit: cover;
        border-radius: 12px;
        border: 1px solid var(--light-grey);
        margin-bottom: 10px;
    }
    .scroll-item h3 {
        font-size: 16px;
        color: var(--text-main);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .scroll-item p {
        font-size: 13px;
        color: var(--yellow);
        margin-top: 5px;
    }
    /* 专题 / 评价 */
    .topics, .reviews {
        padding: 80px 0;
        background-color: var(--dark-grey);
    }
    .topic-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .topic-grid img {
        width: 100%;
        border-radius: 12px;
        border: 1px solid var(--light-grey);
        transition: transform 0.3s;
    }
    .topic-grid img:hover {
        transform: scale(1.03);
    }
    .review-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .review-card {
        background-color: var(--black);
        padding: 25px;
        border-radius: 16px;
        border: 1px solid var(--light-grey);
    }
    .review-card p {
        font-size: 15px;
        color: var(--text-muted);
        margin-bottom: 15px;
        font-style: italic;
    }
    .review-user {
        font-size: 14px;
        color: var(--yellow);
        font-weight: bold;
    }
    /* 下载板块 */
    .download {
        padding: 100px 0;
        text-align: center;
        background: radial-gradient(circle at 50% 50%, #2a2000 0%, var(--black) 70%);
    }
    .download h2 {
        font-size: 40px;
        margin-bottom: 20px;
    }
    .download p {
        font-size: 18px;
        color: var(--text-muted);
        margin-bottom: 40px;
    }
    .download-btn-large {
        display: inline-block;
        background-color: var(--yellow);
        color: var(--black);
        font-size: 28px;
        font-weight: bold;
        padding: 24px 80px;
        border-radius: 50px;
        transition: background 0.2s, transform 0.1s;
        box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
    }
    .download-btn-large:hover {
        background-color: #ffea75;
        transform: translateY(-3px);
    }
    /* 常见问答 */
    .faq {
        padding: 80px 0;
    }
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        border-bottom: 1px solid var(--light-grey);
        padding: 20px 0;
    }
    .faq-item h3 {
        font-size: 18px;
        color: var(--yellow);
        margin-bottom: 10px;
    }
    .faq-item p {
        font-size: 15px;
        color: var(--text-muted);
    }
    /* 页脚 */
    .footer {
        background-color: var(--black);
        padding: 40px 0;
        border-top: 1px solid var(--light-grey);
        text-align: center;
    }
    .footer p {
        font-size: 14px;
        color: var(--text-muted);
        margin-bottom: 10px;
    }
    .footer time {
        font-size: 12px;
        color: #666;
    }
    /* 响应式 */
    @media (max-width: 1024px) {
        .hero-title { font-size: 36px; }
        .hero-content { max-width: 60%; }
        .features-grid { grid-template-columns: repeat(2, 1fr); }
        .topic-grid { grid-template-columns: repeat(3, 1fr); }
        .review-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
        .hero { flex-direction: column; padding: 40px 0; text-align: center; }
        .hero-content { max-width: 100%; margin-bottom: 40px; }
        .hero-visual { justify-content: center; }
        .hero-img { max-width: 280px; }
        .stats-grid { flex-direction: column; gap: 30px; }
        .intro-inner { flex-direction: column; }
        .features-grid { grid-template-columns: 1fr; }
        .topic-grid { grid-template-columns: repeat(2, 1fr); }
        .review-grid { grid-template-columns: 1fr; }
        .download-btn-large { font-size: 20px; padding: 18px 40px; width: 90%; }
        .header-inner { padding: 0 10px; }
        .logo-text { font-size: 16px; }
    }