/* 保持原有的样式定义 */
        .upload-group {
            margin-bottom: 20px;
        }
        
        .upload-label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
        }
        
        .upload-input, .upload-textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }
        
        .upload-textarea {
            height: 120px;
        }
        
        .upload-file {
            border: 2px dashed #ddd;
            padding: 30px;
            text-align: center;
            cursor: pointer;
            border-radius: 4px;
        }
        
        .upload-file:hover {
            background-color: #f9f9f9;
        }
        
        .audio-preview {
            margin-top: 10px;
            display: flex;
            align-items: center;
        }
        
        .audio-name {
            margin-right: 10px;
        }
        
        .remove-audio {
            color: red;
            cursor: pointer;
        }
        
        .preview-images {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
        }
        
        .preview-image {
            position: relative;
            width: 100px;
            height: 100px;
        }
        
        .preview-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 4px;
        }
        
        .remove-image {
            position: absolute;
            top: 5px;
            right: 5px;
            background-color: rgba(255,255,255,0.8);
            border-radius: 50%;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        
        .spinner-container {
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 20px 0;
            display: none;
        }
        
        .spinner {
            border: 4px solid rgba(0, 0, 0, 0.1);
            border-top: 4px solid #0088CC;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            animation: spin 1s linear infinite;
            margin-right: 10px;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .selected-files {
            margin-top: 10px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .selected-files div {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 5px;
            background: #f1f1f1;
            border-radius: 4px;
        }
        
        .selected-files button {
            background: transparent;
            border: none;
            color: red;
            cursor: pointer;
        }