pref[Hamburger]: refactor Hamburger component (PanJiaChen#1528)

* 美化侧栏菜单切换按钮

* tweak

src/components/Hamburger/index.vue

@@ -2,26 +2,13 @@
   <div>
     <svg
       :class="{'is-active':isActive}"
-      t="1492500959545"
       class="hamburger"
-      style=""
       viewBox="0 0 1024 1024"
-      version="1.1"
       xmlns="http://www.w3.org/2000/svg"
-      p-id="1691"
-      xmlns:xlink="http://www.w3.org/1999/xlink"
       width="64"
       height="64"
       @click="toggleClick">
-      <path
-        d="M966.8023 568.849776 57.196677 568.849776c-31.397081 0-56.850799-25.452695-56.850799-56.850799l0 0c0-31.397081 25.452695-56.849776 56.850799-56.849776l909.605623 0c31.397081 0 56.849776 25.452695 56.849776 56.849776l0 0C1023.653099 543.397081 998.200404 568.849776 966.8023 568.849776z"
-        p-id="1692"/>
-      <path
-        d="M966.8023 881.527125 57.196677 881.527125c-31.397081 0-56.850799-25.452695-56.850799-56.849776l0 0c0-31.397081 25.452695-56.849776 56.850799-56.849776l909.605623 0c31.397081 0 56.849776 25.452695 56.849776 56.849776l0 0C1023.653099 856.07443 998.200404 881.527125 966.8023 881.527125z"
-        p-id="1693"/>
-      <path
-        d="M966.8023 256.17345 57.196677 256.17345c-31.397081 0-56.850799-25.452695-56.850799-56.849776l0 0c0-31.397081 25.452695-56.850799 56.850799-56.850799l909.605623 0c31.397081 0 56.849776 25.452695 56.849776 56.850799l0 0C1023.653099 230.720755 998.200404 256.17345 966.8023 256.17345z"
-        p-id="1694"/>
+      <path d="M408 442h480c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8H408c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8zm-8 204c0 4.4 3.6 8 8 8h480c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8H408c-4.4 0-8 3.6-8 8v56zm504-486H120c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8h784c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8zm0 632H120c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8h784c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8zM142.4 642.1L298.7 519a8.84 8.84 0 0 0 0-13.9L142.4 381.9c-5.8-4.6-14.4-.5-14.4 6.9v246.3a8.9 8.9 0 0 0 14.4 7z" />
     </svg>
   </div>
 </template>
@@ -48,12 +35,8 @@ export default {
   cursor: pointer;
   width: 20px;
   height: 20px;
-  transform: rotate(90deg);
-  transition: .38s;
-  transform-origin: 50% 50%;
 }
-
 .hamburger.is-active {
-  transform: rotate(0deg);
+  transform: rotate(180deg);
 }
 </style>