feat(cargo-type): 优化导入失败明细备注超长与标红逻辑

- 仅导入失败原因列显示红色字体，清除其他列红色样式
- 失败原因按 A./B./C. 编号，使用分号分隔
- 错误文本已包含规则说明则不重复添加
- 备注超长（>200字）自动追加“备注不能超过200字”提示
- Node 端验证通过，保证格式和样式正确
- 备注超长校验提醒后端改进收集式校验待确认

src/views/base/cargo-type.vue

@@ -222,8 +222,20 @@ export const decorateCargoTypeFailDetail = async workbook => {
     const decorated = parts.map((part, index) => {
       const label = `${String.fromCharCode(65 + index)}.`; // A. B. C.
       const rule = CARGO_TYPE_FAIL_RULES.find(r => part.includes(r.match));
-      return rule ? `${label}${part}，${rule.rule}` : `${label}${part}`;
+      if (rule) {
+        // 规则说明若已包含在错误文本中则不再重复拼接
+        return part.includes(rule.rule) ? `${label}${part}` : `${label}${part}，${rule.rule}`;
+      }
+      return `${label}${part}`;
     });
+    // 兜底：失败行的备注列超长（>200字）时，补充备注超长提示
+    const remarkCol = colMap['备注'];
+    if (remarkCol) {
+      const remarkVal = String(row.getCell(remarkCol).value == null ? '' : row.getCell(remarkCol).value).trim();
+      if (remarkVal.length > 200 && !decorated.some(d => d.includes('备注不能超过200字'))) {
+        decorated.push(`${String.fromCharCode(65 + decorated.length)}.备注不能超过200字`);
+      }
+    }
     reasonCell.value = `第${rowNumber}行：${decorated.join('；')}`;
     reasonCell.font = { color: { argb: 'FFFF0000' } };
     reasonCell.alignment = { wrapText: true, vertical: 'top' };