update dependencies (#3095)

docs/markdown/intro.en-US.md

@@ -1,7 +1,7 @@
 <div class="van-doc-intro">
   <img class="van-doc-intro__logo" src="//img.yzcdn.cn/public_files/2017/12/18/fd78cf6bb5d12e2a119d0576bedfd230.png">
   <h2>Vant</h2>
-  <p>Lightweight Mobile UI Components built on Vue</p>
+  <p>Mobile UI Components built on Vue</p>
 </div>
  
 ### Features

docs/src/WapApp.vue

@@ -76,7 +76,7 @@ body {
   line-height: 56px;
 
   .van-nav-bar__title {
-    font-size: 18px;
+    font-size: 17px;
     text-transform: capitalize;
   }
 

docs/src/components/DemoList.vue

@@ -53,7 +53,7 @@ export default {
     },
 
     description() {
-      return this.$vantLang === 'zh-CN' ? '轻量、可靠的移动端 Vue 组件库' : 'Lightweight Mobile UI Components built on Vue';
+      return this.$vantLang === 'zh-CN' ? '轻量、可靠的移动端 Vue 组件库' : 'Mobile UI Components built on Vue';
     }
   },
 

docs/src/utils/lang.js

@@ -4,7 +4,7 @@ import enUS from '../../../packages/locale/lang/en-US';
 
 const langMap = {
   'en-US': {
-    title: 'Vant - Lightweight Mobile UI Components built on Vue',
+    title: 'Vant - Mobile UI Components built on Vue',
     messages: enUS
   },
   'zh-CN': {