/* 平板设备 (768px 到 1024px) */
@media (max-width: 1024px) {
    .categories-grid, .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .modal-content, .player-content, .image-content {
        width: 98%;
        margin: 20px auto;
    }
    
    .modal-body, .player-body, .image-body {
        padding: 20px;
    }
    
    .waterfall-column {
        padding: 0 10px;
    }
}

/* 手机设备 (小于 768px) */
@media (max-width: 767px) {
    .container {
        padding: 0 10px;
    }
    
    .site-title {
        font-size: 22px;
    }
    
    .site-subtitle p {
        font-size: 14px;
    }
    
    .tab-buttons {
        flex-direction: column;
    }
    
    .tab-btn {
        padding: 15px;
        font-size: 16px;
        justify-content: flex-start;
        padding-left: 20px;
    }
    
    .tab-content {
        padding: 20px 15px;
    }
    
    .categories-grid, .video-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .category-description h2 {
        font-size: 20px;
        flex-direction: column;
        gap: 5px;
    }
    
    .modal, .player-modal, .image-modal {
        padding: 10px;
    }
    
    .modal-content, .player-content, .image-content {
        margin: 10px auto;
        width: 100%;
        border-radius: 8px;
    }
    
    .modal-header, .player-header, .image-header {
        padding: 15px 20px;
    }
    
    .modal-header h2, .player-header h3, .image-header h3 {
        font-size: 18px;
    }
    
    .modal-body, .player-body, .image-body {
        padding: 15px;
    }
    
    .waterfall-header {
        padding: 12px 15px;
    }
    
    #waterfall-title {
        font-size: 18px;
    }
    
    .back-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .waterfall-container {
        padding: 15px;
    }
    
    .waterfall-column {
        width: 100% !important;
        padding: 0 5px;
    }
    
    .waterfall-item {
        margin-bottom: 15px;
    }
    
    .video-info {
        padding: 12px;
    }
    
    .video-info h3 {
        font-size: 15px;
    }
    
    .video-info p {
        font-size: 13px;
    }
    
    .item-info {
        padding: 12px;
    }
    
    .item-info h3 {
        font-size: 15px;
    }
    
    .item-info p {
        font-size: 13px;
    }
    
    .image-nav {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .prev-btn {
        left: 10px;
    }
    
    .next-btn {
        right: 10px;
    }
}

/* 小手机设备 (小于 480px) */
@media (max-width: 480px) {
    .logo {
        width: 40px;
        height: 40px;
    }
    
    .site-title {
        font-size: 20px;
    }
    
    .category-info {
        padding: 15px;
    }
    
    .category-name {
        font-size: 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .category-score {
        align-self: flex-start;
    }
    
    .category-action {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .view-btn {
        width: 100%;
        justify-content: center;
    }
    
    .play-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

/* 横屏手机 */
@media (max-height: 600px) and (orientation: landscape) {
    .modal-content, .player-content, .image-content {
        margin: 10px auto;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .modal-body, .player-body, .image-body {
        padding: 15px;
    }
    
    .player-body .video-wrapper {
        padding-top: 45%;
    }
    
    .image-body .image-wrapper {
        max-height: 50vh;
    }
}