/* 视频列表样式 */
        .video-list {
            width: 100%;
            margin: 20px 0;
            padding: 0;
        }
        
        .video-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        
        .video-item {
            background: var(--light-bg);
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        
        .video-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .video-thumb {
            position: relative;
            width: 100%;
            height: 140px;
            overflow: hidden;
        }
        
        .video-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .video-item:hover .video-thumb img {
            transform: scale(1.05);
        }
        
        .video-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 40px;
            height: 40px;
            background-color: rgba(138, 157, 117, 0.85);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .video-play-btn:hover {
            background-color: var(--secondary-color);
            transform: translate(-50%, -50%) scale(1.1);
        }
        
        .play-icon {
            width: 0;
            height: 0;
            border-top: 12px solid transparent;
            border-left: 20px solid white;
            border-bottom: 12px solid transparent;
            margin-left: 5px;
        }
        
        .video-info {
            padding: 13px 5px 5px 5px;
        }
        
        .video-title {
            font-size: 17px;
            margin: 0 0 10px 0;
            color: #333;
            font-weight: bold;
            line-height: 1.4;
        }
        
        .video-title a {
            color: #278D05;
        }
        
        .video-title a:hover {
            color: var(--secondary-color);
        }
        
        .video-meta {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: #777;
            margin-top: 10px;
        }
        
        /* 弹窗样式 */
        .video-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.85);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .video-modal.active {
            display: flex;
            opacity: 1;
        }
        
        .modal-content {
            width: 90%;
            max-width: 900px;
            background: #000;
            border-radius: 8px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        
        .video-container {
            position: relative;
            padding-top: 56.25%; /* 16:9 比例 */
        }
        
        .video-container iframe, 
        .video-container video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }
        
        .close-btn {
            position: absolute;
            top: -40px;
            right: 0;
            color: white;
            font-size: 2rem;
            cursor: pointer;
            width: 35px;
            height: 35px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transition: background 0.2s ease;
        }
        
        .close-btn:hover {
            background: rgba(255, 255, 255, 0.2);
        }