通用css 替换为tailwindcss模式，剔除无用css。

web/src/view/system/state.vue

@@ -1,6 +1,6 @@
 <template>
   <div>
-    <el-row :gutter="15" class="system_state">
+    <el-row :gutter="15" class="py-1">
       <el-col :span="12">
         <el-card v-if="state.os" class="card_item">
           <template #header>
@@ -67,7 +67,7 @@
         </el-card>
       </el-col>
     </el-row>
-    <el-row :gutter="15" class="system_state">
+    <el-row :gutter="15" class="py-1">
       <el-col :span="12">
         <el-card
           v-if="state.cpu"
@@ -173,11 +173,9 @@ export default {
 </script>
 
 <style>
-.system_state {
-  padding: 10px;
-}
+
 
 .card_item {
-  height: 280px;
+  @apply h-80 text-xl;
 }
 </style>