/* ===== 全局重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f5f7fa;
    color: #1a1a2e;
    line-height: 1.6;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
a {
    text-decoration: none;
    color: inherit;
}
img {
    max-width: 100%;
    display: block;
}

/* ===== 头部 ===== */
header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    font-size: 24px;
    font-weight: 700;
    color: #e94560;
}
.logo:hover {
    opacity: 0.8;
}
nav a {
    color: rgba(255,255,255,0.8);
    margin-left: 24px;
    font-size: 15px;
    transition: color 0.3s;
}
nav a:hover {
    color: #e94560;
}

/* ===== 视频网格 ===== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 30px 0;
}
.video-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}
.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.video-card img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background: #e8ecf1;
}
.video-card h3 {
    padding: 12px 14px 14px;
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== 详情页 ===== */
.vod-detail {
    padding: 30px 0;
}
.vod-header {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.vod-cover img {
    width: 100%;
    border-radius: 10px;
    aspect-ratio: 2/3;
    object-fit: cover;
    background: #e8ecf1;
}
.vod-info h1 {
    font-size: 28px;
    margin-bottom: 12px;
}
.vod-info .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    font-size: 14px;
    color: #666;
    margin-bottom: 16px;
}
.vod-info .meta span {
    background: #f0f2f5;
    padding: 2px 12px;
    border-radius: 20px;
}
.vod-info .description {
    color: #444;
    line-height: 1.8;
}
.vod-player {
    margin-top: 30px;
    background: #0a0a0a;
    border-radius: 16px;
    overflow: hidden;
}
.vod-player h2 {
    color: #fff;
    padding: 16px 24px;
    font-size: 18px;
    font-weight: 500;
    background: #1a1a2e;
}
#player-container {
    aspect-ratio: 16/9;
    background: #000;
}

/* ===== 底部 ===== */
footer {
    background: #1a1a2e;
    color: rgba(255,255,255,0.5);
    text-align: center;
    padding: 24px 0;
    margin-top: 40px;
    font-size: 14px;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .vod-header {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    .vod-cover {
        max-width: 200px;
        margin: 0 auto;
    }
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    header .container {
        flex-wrap: wrap;
        gap: 10px;
    }
    nav a {
        margin-left: 12px;
        font-size: 13px;
    }
}