feat：登录的也是mock接口对接

src/components/BenefitDialog/index.vue

@@ -15,7 +15,9 @@ const props = defineProps({
 const emit = defineEmits(["close", "confirm"]);
 
 const b = computed(() => props.benefit || {});
-const typeLabel = computed(() => BENEFIT_TYPE_LABEL[b.value.type] || "权益");
+/** 类型键与权益卡同源：接口给 section_key，本地数据给 type */
+const typeKey = computed(() => b.value.section_key || b.value.type || "");
+const typeLabel = computed(() => BENEFIT_TYPE_LABEL[typeKey.value] || "权益");
 
 const priceLine = computed(() => {
   const deal = priceText(b.value.price?.deal);
@@ -25,14 +27,15 @@ const priceLine = computed(() => {
 });
 
 const validLine = computed(() => {
-  const { valid_from: from, valid_to: to, valid_days: days } = b.value;
-  if (from && to) return dateRangeText(from, to);
+  const { valid_from: from, valid_until: until, valid_days: days } = b.value;
+  if (from && until) return dateRangeText(from, until);
   if (days) return `领取后 ${days} 天内有效`;
-  return to ? dateRangeText("", to) : "";
+  return until ? dateRangeText("", until) : "";
 });
 
 const ruleText = computed(
   () =>
+    b.value.description ||
     b.value.rule_text ||
     "该权益不绑定具体商品，可多次使用。本次操作仅记录一次使用，不会使权益失效。"
 );