更新移动端 Dalle 绘图页面，支持模型选择

web/src/assets/css/mobile/chat-session.styl

@@ -79,12 +79,12 @@
   }
 }
 
-.van-theme-dark {
-  .mobile-chat {
-    .chat-list-wrapper {
-      background #232425;
-    }
-  }
-}
+// .van-theme-dark {
+//   .mobile-chat {
+//     .chat-list-wrapper {
+//       background #232425;
+//     }
+//   }
+// }
 
 @import "model-select.styl"

web/src/assets/css/mobile/image-sd.styl

@@ -183,6 +183,7 @@
             display flex
             flex-flow column
             justify-content center
+            height 200px
 
             .title {
               margin-bottom 20px

web/src/assets/css/theme-dark.styl

@@ -57,9 +57,6 @@
   .more-menus span.title{
     color:#000;
   }
-  .menu-list .menu-list-item.active .el-icon{
-    background: #0080006e;
-  }
 
   // 操作按钮
   --btn-bg: rgba(86, 86, 95, .5);
@@ -79,4 +76,13 @@
 
   --code-bg-color: #424242;
   --code-text-color: #fff;
+
+  // vant 主题样式
+  --van-cell-background: #141a36;
+  --van-cell-background-light: #242a46;
+  --van-button-default-background: #141a36;
+  --van-background: #141a36;
+  --van-tabbar-background: #141a36;
+  --van-nav-bar-background: #1B244A;
+  --van-dropdown-menu-background: #141a36;
 }