* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", sans-serif;
        }

        body {
            background: #f5f7fa;
            padding: 30px;
            max-width: 800px;
            margin: 0 auto;
        }

        .container {
            background: #fff;
            padding: 30px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
        }

        h2 {
            color: #222;
            margin-bottom: 25px;
            text-align: center;
        }

        .upload-box {
            border: 2px dashed #409eff;

            padding: 50px;
            text-align: center;
            cursor: pointer;
            margin-bottom: 20px;
            transition: all 0.3s;
        }

        .upload-box.active {
            background: #e8f3ff;
            border-color: #2979f0;
        }

        #fileInput {
            display: none;
        }

        .control-group {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin: 20px 0;
            align-items: center;
            justify-content: left;
        }

        .item {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        label {
            color: #555;
            font-size: 14px;
        }

        input,
        select {
            padding: 8px 12px;
            border: 1px solid #ddd;

            font-size: 14px;
            width: 213px;
        }

        .btn {
            margin-top: 24px;
            padding: 8px 24px;
            background: #409eff;
            color: #fff;
            border: none;
            cursor: pointer;
            font-size: 14px;
            transition: background 0.3s;
            width: 213px;
        }

        .btn:disabled {
            background: #94b8f0;
            cursor: not-allowed;
        }

        .btn:hover:not(:disabled) {
            background: #337ecc;
        }

        /* 图片列表样式 */
        .file-list {
            border: 1px solid #eee;
            padding: 15px;
            margin: 20px 0;
            max-height: 180px;
            overflow-y: auto;
        }

        .file-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            color: #333;
            padding: 6px 0;
            border-bottom: 1px solid #f5f5f5;
        }

        .file-item:last-child {
            border-bottom: none;
        }

        .del-btn {
            background: #f53f3f;
            color: #fff;
            border: none;
            padding: 2px 8px;
            font-size: 12px;
            cursor: pointer;
        }

        .del-btn:hover {
            background: #d92d2d;
        }

        /* 进度条样式 */
        .progress-wrap {
            margin: 15px 0;
        }

        .progress-text {
            font-size: 14px;
            color: #666;
            margin-bottom: 8px;
        }

        .progress-bar {
            width: 100%;
            height: 10px;
            background: #eee;

            overflow: hidden;
        }

        .progress-inner {
            height: 100%;
            width: 0%;
            background: #409eff;
            transition: width 0.2s ease;
        }

        .tip {
            color: #999;
            font-size: 13px;
            text-align: center;
            margin-top: 15px;
        }