/* 逗趣视频 - 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #0f0f0f;
    color: #fff;
}

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

/* 头部 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.logo {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 15px;
}

.logo a {
    color: #fff;
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.nav a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-size: 18px;
    padding: 8px 0;
    transition: all 0.3s;
    border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a.active {
    color: #fff;
    border-bottom-color: #ffd700;
}

/* 视频网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 40px 0;
}

.video-card {
    background: #1a1a1a;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.video-card a {
    text-decoration: none;
    color: #fff;
}

.cover {
    position: relative;
    padding-bottom: 140%;
    overflow: hidden;
    background: #2a2a2a;
}

.cover img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.video-card:hover .cover img {
    transform: scale(1.05);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(0,0,0,0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 24px;
}

.video-card:hover .play-btn {
    opacity: 1;
}

.video-title {
    padding: 12px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 52px;
}

.update-info {
    padding: 0 12px 12px;
    font-size: 12px;
    color: #888;
}

/* 页脚 */
.footer {
    background: #0a0a0a;
    padding: 30px 0;
    text-align: center;
    color: #666;
    font-size: 14px;
    margin-top: 40px;
}

/* 响应式 */
@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    
    .nav {
        gap: 20px;
    }
    
    .nav a {
        font-size: 14px;
    }
}