/* 卡片样式 */
        .card-list {
            display: grid;
            gap: 12px;
        }
        .card-item {
            background: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        .card-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .card-desc {
            font-size: 14px;
            color: #666;
            margin-bottom: 12px;
        }
        .card-btn {
            background: #007aff;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 4px;
            font-size: 14px;
            cursor: pointer;
            touch-action: manipulation; /* 优化手机触摸 */
        }
        /* 弹窗遮罩 */
        .modal-mask {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            display: none;
            align-items: flex-start; /* 适配手机顶部 */
            padding-top: 20px;
            z-index: 999;
        }
        /* 弹窗内容 */
        .modal-content {
            width: 90%;
            max-width: 500px;
            margin: 0 auto;
            background: white;
            border-radius: 8px;
            padding: 20px;
            max-height: 80vh;
            overflow-y: auto; /* 内容过多可滚动 */
        }
        .modal-close {
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 20px;
            cursor: pointer;
            color: #999;
        }
        .modal-card-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .modal-card-content {
            font-size: 14px;
            color: #333;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        .note-label {
            font-size: 14px;
            color: #666;
            margin-bottom: 8px;
            display: block;
        }
        .note-textarea {
            width: 100%;
            height: 350px;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
            resize: none;
            margin-bottom: 15px;
        }
        .note-save {
            background: #34c759;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 4px;
            font-size: 14px;
            cursor: pointer;
            width: 100%;
            touch-action: manipulation;
        }
        /* 加载提示 */
        .loading {
            text-align: center;
            padding: 20px;
            color: #666;
        }