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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background: #1a1a1a;
    color: #fff;
    line-height: 1.6;
}

/* 头部导航 */
.header {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid #333;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #00d4ff;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-tab {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 14px;
    white-space: nowrap;
}

.nav-tab:hover,
.nav-tab.active {
    color: #00d4ff;
}

.search-box {
    display: flex;
    align-items: center;
    background: #333;
    border-radius: 20px;
    padding: 8px 15px;
    width: 250px;
}

.search-box input {
    background: none;
    border: none;
    color: #fff;
    outline: none;
    flex: 1;
    font-size: 14px;
}

.search-box input::placeholder {
    color: #999;
}

.search-box button {
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    padding: 0 5px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
}

/* 主要内容 */
.main-content {
    margin-top: 60px;
    min-height: calc(100vh - 60px);
}

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

/* 分类筛选 */
.category-filter {
    margin-bottom: 30px;
    text-align: center;
}

.category-tabs {
    display: inline-flex;
    background: #333;
    border-radius: 25px;
    padding: 5px;
    gap: 5px;
}

.category-tab {
    padding: 8px 20px;
    background: none;
    border: none;
    color: #ccc;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    font-size: 14px;
}

.category-tab:hover,
.category-tab.active {
    background: #00d4ff;
    color: #fff;
}

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

.video-card {
    background: #2a2a2a;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.video-poster {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
}

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

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

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 50%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.play-btn {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}

.video-info {
    padding: 15px;
}

.video-title {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #999;
}

.category-badge {
    /*background: #00d4ff;*/
    /*color: #fff;*/
    color: #00d4ff;
    /*padding: 2px 8px;*/
    border-radius: 10px;
    font-size: 12px;
}

.episode-count {
    font-size: 11px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    padding: 8px 12px;
    background: #333;
    color: #ccc;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
}

.pagination a:hover,
.pagination .current {
    background: #00d4ff;
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
        gap: 10px; /* 添加元素间距 */
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 20px;
        right: 20px;
        background: rgba(26, 26, 26, 0.95);
        flex-direction: column;
        padding: 15px;
        border-radius: 10px;
        border: 1px solid #333;
        gap: 15px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-tab {
        text-align: center;
        padding: 10px;
    }
    
    .mobile-menu-btn {
        display: block;
        flex-shrink: 0; /* 防止按钮被压缩 */
        margin-left: 10px; /* 添加左边距 */
    }
    
    .search-box {
        /*width: 180px; */
        flex-shrink: 1; /* 允许搜索框收缩 */
        min-width: 120px; /* 设置最小宽度 */
    }
    
    .logo {
        flex-shrink: 0; /* 防止logo被压缩 */
        font-size: 20px; /* 稍微减小logo字体 */
    }
    
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .category-tabs {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .container {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 10px;
        height: 55px; /* 稍微减小导航栏高度 */
    }
    
    .logo {
        font-size: 24px;
    }
    
    .search-box {
        /*width: 140px;*/
        padding: 6px 10px; /* 减小内边距 */
    }
    
    .search-box input {
        font-size: 13px;
    }
    
    .mobile-menu-btn {
        font-size: 18px;
        padding: 5px;
    }
    
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 超小屏幕优化 */
@media (max-width: 360px) {
    .nav-container {
        padding: 0 8px;
    }
    
    .logo {
        font-size: 24px;
    }
    
    .search-box {
        width: 120px;
        padding: 5px 8px;
    }
    
    .search-box input {
        font-size: 12px;
    }
    
    .mobile-menu-btn {
        font-size: 16px;
    }
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: 40px;
    color: #999;
}

.loading i {
    font-size: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 20px;
    color: #444;
} 

.footer {
background-color: #1a1a1a;
/*padding: 20px 0;*/
/*margin-top: 40px;*/
color: #888;
text-align: center;
}

.footer .copyright {
font-size: 14px;
line-height: 1.6;
}

.footer .copyright p {
margin: 5px 0;
}