feat: 样式调整

src/views/Search/index.vue

 <template>
-  <div class="container">
-    <breadcrumb />
+  <div class="container marginTop20 mb-4" style="position: relative">
+    <breadcrumb/>
     <div class="row">
       <div class="col-lg-3">
-        <SubNav />
+        <SubNav/>
       </div>
       <div class="col-lg-9">
-        <router-view class="marginTopLg20"></router-view>
+        <router-view></router-view>
       </div>
     </div>
   </div>

src/views/Search/tools.vue

 <template>
-  <div class="search-tools">
+  <div class="search-tools_s">
     <div class="title">条码信息查询</div>
-    <div class="tools-wrapper">
+    <div class="tools-wrapper clearfix">
       <div class="tool-card"
            v-for="item in tool"
            :key="item.name"
@@ -54,51 +54,56 @@ export default {
 };
 </script>
 
-<style lang="scss" scoped>
-.title {
-  height: 25px;
-  font-size: 18px;
-  font-weight: 500;
-  color: #454545;
-  line-height: 25px;
-  margin-bottom: 30px;
-}
-
-.tools-wrapper {
+<style lang="scss">
+.search-tools_s {
   min-height: 100%;
 
-  .tool-card {
-    cursor: pointer;
-    width: 194px;
-    height: 210px;
-    background-color: white;
-    border-radius: 4px;
-    border: 1px solid rgba(197, 216, 238, 0.5);
-    float: left;
-    margin-right: 30px;
+  .title {
+    height: 25px;
+    font-size: 18px;
+    font-weight: 500;
+    color: #454545;
+    line-height: 25px;
     margin-bottom: 30px;
+  }
+
+  .tools-wrapper {
+    min-height: 100%;
 
-    .tool-img {
-      height: 145px;
+    .tool-card {
+      cursor: pointer;
+      width: 194px;
+      height: 210px;
+      background-color: white;
+      border-radius: 4px;
+      border: 1px solid rgba(197, 216, 238, 0.5);
+      float: left;
+      margin-right: 30px;
+      margin-bottom: 30px;
 
-      > img {
-        width: 100%;
-        height: 100%;
+      .tool-img {
+        height: 145px;
+
+        > img {
+          width: 100%;
+          height: 100%;
+        }
       }
-    }
 
-    .tool-name {
-      height: 65px;
-      line-height: 65px;
-      font-size: 14px;
-      font-weight: 500;
-      color: #0d2c6c;
-      text-align: center;
+      .tool-name {
+        height: 65px;
+        line-height: 65px;
+        font-size: 14px;
+        font-weight: 500;
+        color: #0d2c6c;
+        text-align: center;
 
-      > img {
-        margin-right: 9px;
+        > img {
+          margin-right: 9px;
+        }
       }
     }
   }
 }
+
 </style>