style: 调整样式

Yi.Bbs.Vue3/src/layout/Index.vue

@@ -52,15 +52,15 @@ const handleScroll = () => {
   }
   &-header {
     width: 100%;
-    background-color: #fff;
+    background: rgba(10, 10, 10, 0.9);
     box-shadow: rgba(0, 0, 0, 0.1) -4px 9px 25px -6px;
     height: 60px;
     display: flex;
     justify-content: center;
   }
   &-main {
-    height: calc(100% - 50px);
-    overflow: visible !important;
+    
+     background: linear-gradient(135deg, rgba(0,255,136,0.03) 0%, rgba(0,0,0,0.8) 50%, rgba(0,255,136,0.02) 100%),  linear-gradient(135deg, #0a0a0a 0%, #0d1520 30%, #0a0a0a 70%, #0f1520 100%);
   }
 }
 

Yi.Bbs.Vue3/src/layout/activity/Index.vue

@@ -70,7 +70,6 @@ const handleScroll = () => {
   margin: 0;
   padding: 0;
   min-height: 10rem;
-  background-color: #f0f2f5;
 }
 
 .fixed {