:root {
        --primary-yellow: #FFD700;
        --primary-yellow-hover: #FFC125;
        --bg-dark: #111111;
        --bg-darker: #0a0a0a;
        --bg-card: #1c1c1c;
        --text-main: #f4f4f4;
        --text-muted: #a0a0a0;
        --radius-md: 12px;
        --radius-lg: 20px;
    }

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

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

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

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

    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* 导航栏 */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background-color: rgba(17, 17, 17, 0.95);
        backdrop-filter: blur(10px);
        z-index: 1000;
        border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    }

    .header-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 70px;
    }

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

    .logo-area img {
        height: 34px;
        width: auto;
        border-radius: 6px;
    }

    .nav-links {
        display: none;
        gap: 30px;
        font-size: 15px;
    }

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

    .btn-nav-download {
        background-color: var(--primary-yellow);
        color: var(--bg-dark);
        padding: 8px 20px;
        border-radius: 30px;
        font-weight: bold;
        font-size: 14px;
        transition: background 0.3s;
    }

    .btn-nav-download:hover {
        background-color: var(--primary-yellow-hover);
    }

    /* 主屏区 */
    .hero-section {
        padding: 120px 0 60px;
        background: radial-gradient(circle at 70% 30%, rgba(255, 215, 0, 0.15) 0%, var(--bg-dark) 60%);
        min-height: 80vh;
        display: flex;
        align-items: center;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        gap: 40px;
    }

    .hero-text {
        max-width: 600px;
    }

    .hero-text h1 {
        font-size: 38px;
        line-height: 1.2;
        margin-bottom: 20px;
        color: #fff;
    }

    .hero-text h1 span {
        color: var(--primary-yellow);
    }

    .hero-text p {
        font-size: 16px;
        color: var(--text-muted);
        margin-bottom: 30px;
    }

    .hero-actions {
        display: flex;
        gap: 15px;
        flex-wrap: wrap;
    }

    .btn-primary {
        background-color: var(--primary-yellow);
        color: var(--bg-dark);
        padding: 14px 32px;
        border-radius: 50px;
        font-weight: bold;
        font-size: 18px;
        transition: transform 0.2s, background 0.3s;
    }

    .btn-primary:active {
        transform: scale(0.96);
    }

    .hero-image-wall {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .hero-image-wall img {
        border-radius: var(--radius-md);
        object-fit: cover;
        aspect-ratio: 3/4;
        width: 100%;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        transition: transform 0.4s;
    }

    .hero-image-wall img:hover {
        transform: translateY(-10px);
    }

    /* 数据轮播 */
    .stats-section {
        padding: 40px 0;
        background-color: var(--bg-darker);
        border-top: 1px solid rgba(255, 215, 0, 0.1);
        border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    }

    .stats-grid {
        display: flex;
        justify-content: space-around;
        text-align: center;
        flex-wrap: wrap;
        gap: 20px;
    }

    .stat-item h3 {
        font-size: 28px;
        color: var(--primary-yellow);
        margin-bottom: 5px;
    }

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

    /* 平台介绍 */
    .intro-section {
        padding: 80px 0;
    }

    .intro-grid {
        display: grid;
        gap: 40px;
        align-items: center;
    }

    .intro-img {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: 0 20px 40px rgba(0,0,0,0.6);
    }

    .intro-text h2 {
        font-size: 30px;
        color: var(--primary-yellow);
        margin-bottom: 20px;
    }

    .intro-text p {
        color: var(--text-muted);
        margin-bottom: 15px;
        font-size: 16px;
    }

    /* 平台优势 */
    .features-section {
        padding: 80px 0;
        background-color: var(--bg-darker);
    }

    .section-title {
        text-align: center;
        font-size: 32px;
        color: var(--primary-yellow);
        margin-bottom: 50px;
    }

    .features-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        background-color: var(--bg-card);
        padding: 30px;
        border-radius: var(--radius-md);
        border: 1px solid rgba(255, 215, 0, 0.05);
        transition: border 0.3s;
    }

    .feature-card:hover {
        border-color: rgba(255, 215, 0, 0.3);
    }

    .feature-card h3 {
        color: var(--primary-yellow);
        margin-bottom: 15px;
        font-size: 20px;
    }

    .feature-card p {
        color: var(--text-muted);
        font-size: 15px;
    }

    /* 今日上新 */
    .new-section {
        padding: 80px 0;
    }

    .new-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .mini-card img {
        border-radius: var(--radius-md);
        width: 100%;
        aspect-ratio: 3/4;
        object-fit: cover;
        box-shadow: 0 5px 15px rgba(0,0,0,0.4);
    }

    /* 热播榜 */
    .hot-section {
        padding: 80px 0;
        background-color: var(--bg-darker);
    }

    .hot-list {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .hot-item {
        display: flex;
        gap: 20px;
        background-color: var(--bg-card);
        border-radius: var(--radius-md);
        overflow: hidden;
        align-items: center;
    }

    .hot-item img {
        width: 100px;
        height: 140px;
        object-fit: cover;
    }

    .hot-info {
        padding: 15px;
    }

    .hot-info h3 {
        color: #fff;
        font-size: 18px;
        margin-bottom: 10px;
    }

    .hot-info p {
        color: var(--primary-yellow);
        font-size: 14px;
    }

    /* 专题板块 */
    .topic-section {
        padding: 80px 0;
    }

    .topic-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .topic-large img {
        border-radius: var(--radius-lg);
        width: 100%;
        height: auto;
        object-fit: cover;
    }

    .topic-small-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .topic-small-grid img {
        border-radius: var(--radius-lg);
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    /* 用户评价 */
    .review-section {
        padding: 80px 0;
        background-color: var(--bg-darker);
    }

    .review-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .review-card {
        background-color: var(--bg-card);
        padding: 30px;
        border-radius: var(--radius-md);
        color: var(--text-main);
    }

    .review-card p {
        font-style: italic;
        margin-bottom: 15px;
    }

    .review-card span {
        color: var(--primary-yellow);
        font-weight: bold;
        font-size: 14px;
    }

    /* 下载板块 */
    .download-section {
        padding: 100px 0;
        text-align: center;
        background: linear-gradient(135deg, #1a1a1a, #111);
        border-top: 2px solid var(--primary-yellow);
    }

    .download-section h2 {
        font-size: 36px;
        color: var(--primary-yellow);
        margin-bottom: 20px;
    }

    .download-section p {
        color: var(--text-muted);
        margin-bottom: 40px;
        font-size: 18px;
    }

    .btn-huge-download {
        display: inline-block;
        background-color: var(--primary-yellow);
        color: var(--bg-dark);
        padding: 20px 60px;
        border-radius: 60px;
        font-size: 24px;
        font-weight: 900;
        transition: transform 0.2s, box-shadow 0.3s;
        box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
    }

    .btn-huge-download:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 40px rgba(255, 215, 0, 0.5);
    }

    /* 常见问答 */
    .faq-section {
        padding: 80px 0;
    }

    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .faq-item {
        background-color: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 20px;
    }

    .faq-item h3 {
        color: var(--primary-yellow);
        font-size: 17px;
        margin-bottom: 10px;
    }

    .faq-item p {
        color: var(--text-muted);
        font-size: 15px;
    }

    /* 页脚 */
    .site-footer {
        padding: 40px 0;
        background-color: var(--bg-darker);
        text-align: center;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .site-footer p {
        color: var(--text-muted);
        font-size: 13px;
        margin-bottom: 10px;
    }

    .site-footer time {
        color: #666;
    }

    /* 响应式 */
    @media (min-width: 768px) {
        .hero-content {
            flex-direction: row;
            align-items: center;
            justify-content: space-between;
        }
        .hero-text {
            flex: 1;
        }
        .hero-image-wall {
            flex: 1;
            max-width: 400px;
            grid-template-columns: repeat(2, 1fr);
        }
        .intro-grid {
            grid-template-columns: 1fr 1fr;
        }
        .features-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .new-grid {
            grid-template-columns: repeat(4, 1fr);
        }
        .hot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
        }
        .topic-grid {
            grid-template-columns: 2fr 1fr;
        }
        .review-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .nav-links {
            display: flex;
        }
    }

    @media (min-width: 1024px) {
        .features-grid {
            grid-template-columns: repeat(4, 1fr);
        }
        .new-grid {
            grid-template-columns: repeat(4, 1fr);
        }
        .hot-list {
            grid-template-columns: repeat(3, 1fr);
        }
        .review-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }