fix: 修复weui-cell_access在新表单下的字体颜色被覆盖的问题

dist/example/index.html

@@ -915,7 +915,7 @@ <h2 class="weui-form__title">验证码</h2>
                 </div>
             </div>
         </div>
-        <div class="weui-cells__tips"><a href="javascript:;">收不到验证码</a></div>
+        <div class="weui-cells__tips"><a class="weui-link" href="javascript:;">收不到验证码</a></div>
       </div>
     </div>
     <div class="weui-form__tips-area">

src/example/fragment/form_vcode.html

@@ -28,7 +28,7 @@ <h2 class="weui-form__title">验证码</h2>
                 </div>
             </div>
         </div>
-        <div class="weui-cells__tips"><a href="javascript:;">收不到验证码</a></div>
+        <div class="weui-cells__tips"><a class="weui-link" href="javascript:;">收不到验证码</a></div>
       </div>
     </div>
     <div class="weui-form__tips-area">

src/style/weui.less

@@ -20,6 +20,9 @@
 @import "./icon/weui-icon";
 
 
+// text
+@import "./widget/weui-text/weui-link";
+
 // button
 @import "./widget/weui-button/weui-button";
 

src/style/widget/weui-cell/weui-cells__group.less

@@ -51,7 +51,9 @@
   }
   .weui-cell{
     padding:16px 32px;
-    color:rgba(0,0,0,.9);
+    &:not(.weui-cell_link){
+      color:rgba(0,0,0,.9);
+    }
   }
   .weui-cell__hd{
     padding-right:16px;
@@ -74,9 +76,11 @@
 
   .weui-cells__tips{
     margin-top:8px;
-    font-weight:700;
     padding:0 32px;
     color:rgba(0,0,0,.3);
+    a{
+      font-weight:700;
+    }
   }
 
 

src/style/widget/weui-page/weui-form.less

@@ -29,11 +29,6 @@
   line-height:1.4;
   background-color:#FFFFFF;
 
-  a{
-    &:not(.weui-btn){
-      color:@weuiLinkColorDefault;
-    }
-  }
   .weui-footer,.weui-footer__link{
     font-size:12px;
   }

src/style/widget/weui-text/weui-link.less

@@ -0,0 +1,25 @@
+/*
+* Tencent is pleased to support the open source community by making WeUI available.
+* 
+* Copyright (C) 2017 THL A29 Limited, a Tencent company. All rights reserved.
+* 
+* Licensed under the MIT License (the "License"); you may not use this file except in compliance
+* with the License. You may obtain a copy of the License at
+* 
+*       http://opensource.org/licenses/MIT
+* 
+* Unless required by applicable law or agreed to in writing, software distributed under the License is
+* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+* either express or implied. See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+@import "../../base/fn";
+
+.weui-link {
+  color: @weuiLinkColorDefault;
+  -webkit-tap-highlight-color: rgba(0,0,0,0);
+  &:visited{
+    color: @weuiLinkColorDefault;
+  }
+}