/* 视频列表页面样式 */
.jiudi_inner_banner {
    position: relative;
    height: 300px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}

.jiudi_inner_banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.3) 100%);
}

.jiudi_banner_content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    margin: 0 auto;
}

.jiudi_banner_title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
}

.jiudi_banner_desc {
    font-size: 1.2rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* 面包屑导航 */
.jiudi_breadcrumb {
    padding: 20px 0;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 20px;
}

.jiudi_breadcrumb a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.jiudi_breadcrumb a:hover {
    color: #007bff;
}

.jiudi_breadcrumb_separator {
    margin: 0 10px;
    color: #999;
}

.jiudi_breadcrumb_current {
    color: #007bff;
    font-weight: 500;
}

/* 二级子栏目导航 */
.jiudi_sub_nav {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.jiudi_sub_nav_item {
    padding: 10px 20px;
    background: #f8f9fa;
    border-radius: 25px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.jiudi_sub_nav_item:hover {
    background: #007bff;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.jiudi_sub_nav_active {
    background: #007bff;
    color: white;
    border-color: #0056b3;
}

/* 视频列表区域 */
.jiudi_video_list_section {
    padding: 40px 0;
}

.jiudi_video_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

/* 视频卡片样式 */
.jiudi_video_card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #eee;
    display: block;
    text-decoration: none;
    color: inherit;
}

.jiudi_video_card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-color: #007bff;
}

.jiudi_video_image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.jiudi_video_card:hover .jiudi_video_image img {
    transform: scale(1.05);
}

.jiudi_video_play_overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(0, 123, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    opacity: 0;
    transition: all 0.3s ease;
}

.jiudi_video_card:hover .jiudi_video_play_overlay {
    opacity: 1;
}

.jiudi_video_category {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #007bff;
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.jiudi_video_info {
    padding: 20px;
}

.jiudi_video_title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.jiudi_video_desc {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.jiudi_video_meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #999;
}

.jiudi_video_duration {
    background: #f8f9fa;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.jiudi_video_views {
    font-weight: 500;
}

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

.jiudi_page_item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid #ddd;
}

.jiudi_page_item:hover {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.jiudi_page_active {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.jiudi_page_prev,
.jiudi_page_next {
    width: auto;
    padding: 0 15px;
}

.jiudi_page_ellipsis {
    border: none;
    cursor: default;
}

.jiudi_page_ellipsis:hover {
    background: transparent;
    color: #333;
    border: none;
}

/* 响应式设计 */
@media (max-width: 1450px) {
    .jiudi_video_grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
    }
}

@media (max-width: 1366px) {
    .jiudi_main_container {
        max-width: 1200px;
        padding: 0 20px;
    }
    
    .jiudi_video_grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .jiudi_video_image {
        height: 180px;
    }
    
    .jiudi_banner_title {
        font-size: 2.2rem;
    }
    
    .jiudi_banner_desc {
        font-size: 1.1rem;
    }
}

@media (max-width: 1024px) {
    .jiudi_video_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .jiudi_sub_nav {
        justify-content: center;
    }
    
    .jiudi_sub_nav_item {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .jiudi_video_grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 500px;
        margin: 0 auto 40px;
    }
    
    .jiudi_inner_banner {
        height: 250px;
    }
    
    .jiudi_banner_title {
        font-size: 2rem;
    }
    
    .jiudi_banner_desc {
        font-size: 1rem;
    }
    
    .jiudi_sub_nav {
        gap: 10px;
    }
    
    .jiudi_sub_nav_item {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .jiudi_pagination {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .jiudi_page_item {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .jiudi_inner_banner {
        height: 200px;
    }
    
    .jiudi_banner_title {
        font-size: 1.8rem;
    }
    
    .jiudi_banner_desc {
        font-size: 0.9rem;
    }
    
    .jiudi_video_image {
        height: 160px;
    }
    
    .jiudi_video_info {
        padding: 15px;
    }
    
    .jiudi_video_title {
        font-size: 1rem;
    }
    
    .jiudi_video_desc {
        font-size: 0.85rem;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.jiudi_video_card {
    animation: fadeIn 0.5s ease forwards;
}

.jiudi_video_card:nth-child(1) { animation-delay: 0.1s; }
.jiudi_video_card:nth-child(2) { animation-delay: 0.2s; }
.jiudi_video_card:nth-child(3) { animation-delay: 0.3s; }
.jiudi_video_card:nth-child(4) { animation-delay: 0.4s; }
.jiudi_video_card:nth-child(5) { animation-delay: 0.5s; }
.jiudi_video_card:nth-child(6) { animation-delay: 0.6s; }
.jiudi_video_card:nth-child(7) { animation-delay: 0.7s; }
.jiudi_video_card:nth-child(8) { animation-delay: 0.8s; }
.jiudi_video_card:nth-child(9) { animation-delay: 0.9s; }
.jiudi_video_card:nth-child(10) { animation-delay: 1.0s; }
.jiudi_video_card:nth-child(11) { animation-delay: 1.1s; }
.jiudi_video_card:nth-child(12) { animation-delay: 1.2s; }

/* 确保链接卡片内的文本颜色正确 */
.jiudi_video_card,
.jiudi_video_card .jiudi_video_title,
.jiudi_video_card .jiudi_video_desc,
.jiudi_video_card .jiudi_video_meta {
    color: inherit;
    text-decoration: none;
}

/* 加载状态 */
.jiudi_loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 0;
}

.jiudi_loading_spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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