.video-page-section {
    padding: 40px 20px 60px;
}

.video-page-section .container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    gap: 30px;
}

/* 左侧菜单 */
.video-sidebar {
    flex-shrink: 0;
    width: 200px;
}

.video-sidebar .menu-item {
    display: block;
    padding: 16px 20px;
    background-color: #f5f7fa;
    color: #333333;
    font-size: 16px;
    text-decoration: none;
    text-align: center;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    margin-bottom: 2px;
    cursor: pointer;
}

.video-sidebar .menu-item:hover {
    background-color: #e8ecf5;
    color: #001488;
}

.video-sidebar .menu-item.active {
    background-color: #001488;
    color: #ffffff;
    border-left-color: #FFEA00;
    font-weight: 600;
}

/* 右侧视频列表 */
.video-list {
    flex: 1;
    min-width: 0;
}

.video-list .list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid #001488;
}

.video-list .list-header h2 {
    font-size: 20px;
    color: #001488;
    font-weight: 600;
}

.video-list .list-header .count {
    font-size: 14px;
    color: #999999;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.video-card {
    display: block;
    text-decoration: none;
    background-color: #ffffff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.video-card .card-cover {
    width: 100%;
    height: 180px;
    background-size: cover;
    background-position: center;
    background-color: #e0e0e0;
    position: relative;
}

.video-card .card-cover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.4));
}

.video-card .card-info {
    padding: 14px 16px;
}

.video-card .card-info .card-title {
    font-size: 15px;
    color: #333333;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s ease;
}

.video-card:hover .card-info .card-title {
    color: #001488;
}

/* 分页 */
.video-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.video-pagination a,
.video-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

.video-pagination a:hover {
    border-color: #001488;
    color: #001488;
}

.video-pagination .active {
    background-color: #001488;
    color: #fff;
    border-color: #001488;
}

.video-pagination .disabled {
    color: #ccc;
    cursor: not-allowed;
}

/* 响应式 */
@media screen and (max-width: 992px) {
    .video-page-section .container {
        gap: 20px;
    }

    .video-sidebar {
        width: 160px;
    }

    .video-sidebar .menu-item {
        padding: 12px 14px;
        font-size: 14px;
    }

    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

    .video-card .card-cover {
        height: 150px;
    }
}

@media screen and (max-width: 768px) {
    .video-page-section .container {
        flex-direction: column;
    }

    .video-sidebar {
        width: 100%;
        display: flex;
        gap: 0;
    }

    .video-sidebar .menu-item {
        flex: 1;
        border-left: none;
        border-bottom: 3px solid transparent;
        margin-bottom: 0;
    }

    .video-sidebar .menu-item.active {
        border-left-color: transparent;
        border-bottom-color: #FFEA00;
    }

    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .video-card .card-cover {
        height: 130px;
    }

    .video-card .card-info {
        padding: 10px 12px;
    }

    .video-card .card-info .card-title {
        font-size: 13px;
    }
}

@media screen and (max-width: 480px) {
    .video-page-section {
        padding: 25px 10px 40px;
    }

    .video-sidebar .menu-item {
        padding: 10px 8px;
        font-size: 13px;
    }

    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .video-card .card-cover {
        height: 100px;
    }

    .video-card .card-info .card-title {
        font-size: 12px;
        -webkit-line-clamp: 1;
    }
}