feat: ui update

miniprogram/components/empty-state/empty-state.wxml

@@ -1,12 +1,12 @@
+<!-- v2 空态：细描边线稿图标 + 衬线标题 + 灰字描述 + 黑胶囊/描边按钮 -->
 <view class="empty">
-  <view class="empty-icon">
-    <view class="icon icon-lg {{icon}}"></view>
-  </view>
-  <view class="empty-title">{{title}}</view>
-  <view wx:if="{{desc}}" class="empty-desc">{{desc}}</view>
+  <view class="icon icon-xl {{icon}} empty-ic"></view>
+  <view class="empty-t">{{title}}</view>
+  <view wx:if="{{desc}}" class="empty-d">{{desc}}</view>
   <view
     wx:if="{{buttonText}}"
-    class="empty-btn btn {{buttonType === 'outline' ? 'btn-outline' : 'btn-primary'}}"
+    class="empty-btn btn btn--sm {{buttonType === 'outline' ? 'btn--ghost' : 'btn--ink'}}"
+    hover-class="none"
     bindtap="onTap"
   >{{buttonText}}</view>
 </view>

miniprogram/components/empty-state/empty-state.wxss

@@ -1,37 +1,4 @@
-.empty {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  padding: 120rpx 48rpx;
-  text-align: center;
-}
-
-.empty-icon {
-  width: 160rpx;
-  height: 160rpx;
-  border-radius: 50%;
-  background: #E8F2FF;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  color: #007AFF;
-  margin-bottom: 32rpx;
-}
-
-.empty-title {
-  font-size: 34rpx;
-  font-weight: 600;
-  color: #000;
-}
-
-.empty-desc {
-  font-size: 26rpx;
-  color: #8E8E93;
-  margin-top: 12rpx;
-  line-height: 1.6;
-}
-
+/** 空态：视觉来自全局 .empty* 与 .btn* 通用类 **/
 .empty-btn {
-  margin-top: 40rpx;
-  width: 360rpx;
+  min-width: 280rpx;
 }