feat: 完成任务添加订阅

pages/wiki/identify/index.wxss

@@ -10,30 +10,32 @@
   display: flex;
   align-items: center;
   justify-content: center;
-  min-height: 100vh;
+  height: 100vh;
   padding: 48rpx;
+  box-sizing: border-box;
+  padding-bottom: 20%; /* Push up visually */
 }
 
 .state-card {
   background: #fff;
-  border-radius: 40rpx;
-  padding: 56rpx 48rpx;
+  border-radius: 48rpx;
+  padding: 64rpx 48rpx;
   width: 100%;
   display: flex;
   flex-direction: column;
   align-items: center;
-  gap: 32rpx;
-  box-shadow: 0 12rpx 40rpx rgba(85, 139, 47, 0.08);
+  gap: 40rpx;
+  box-shadow: 0 20rpx 60rpx rgba(85, 139, 47, 0.15);
 }
 
 /* ========== Loading State ========== */
 .loading-image-wrap {
-  width: 280rpx;
-  height: 280rpx;
-  border-radius: 32rpx;
+  width: 440rpx;
+  height: 440rpx;
+  border-radius: 40rpx;
   overflow: hidden;
   position: relative;
-  box-shadow: 0 8rpx 32rpx rgba(0,0,0,0.1);
+  box-shadow: 0 12rpx 40rpx rgba(0,0,0,0.15);
 }
 
 .loading-preview {

pages/wiki/index.wxss

@@ -60,12 +60,12 @@
     display: inline-flex;
     align-items: center;
     justify-content: center;
-    padding: 0 36rpx;
+    padding: 0 28rpx;
     height: 72rpx;
     background: #fff;
     border-radius: 36rpx;
-    margin-right: 24rpx;
-    font-size: 28rpx;
+    margin-right: 16rpx;
+    font-size: 26rpx;
     color: #546E7A;
     font-weight: 600;
     box-shadow: 0 4rpx 12rpx rgba(0,0,0,0.04);