update datepicker input style

style/components/datepicker/Picker.less

@@ -11,23 +11,25 @@
   position: relative;
   display: inline-block;
   &-input {
-    .ant-input;
+    .input;
-    cursor: text;
   }
   &-icon {
     position: absolute;
     -webkit-user-select: none;
     user-select: none;
     .transition(all .3s @ease-in-out);
+    width: 14px;
+    height: 14px;
+    right: 14px;
+    color: #999;
+    top: 50%;
+    line-height: 1;
+    margin-top: -7px;
     &:after {
-      position: relative;
-      left: -22px;
-      font-family: "anticon";
       content: "\e60c";
+      font-family: "anticon";
       font-size: 14px;
       color: #999;
-      top: 5px;
-      margin-right: -20px;
     }
   }
   &-open .@{prefixCalendarClass},

style/components/datepicker/Time.less

@@ -11,7 +11,8 @@
 }
 
 .@{prefixCalendarClass}-time-input {
-  .ant-input;
+  .input;
+  margin: 0;
   width: 30px;
   height: 26px;
   padding: 0;

style/mixins/input.less

@@ -1,28 +1,3 @@
-// 待删除
-.ant-input(){
-  position: relative;
-  display: inline-block;
-  margin: 0 0;
-  padding: 4px 10px;
-  border-radius: 6px 6px;
-  border: 1px solid #d9d9d9;
-  background-color: #ffffff;
-  color: #666;
-  line-height: 1.5;
-  -webkit-transform: border 0.3s cubic-bezier(0.35, 0, 0.25, 1), background 0.3s cubic-bezier(0.35, 0, 0.25, 1), box-shadow 0.3s cubic-bezier(0.35, 0, 0.25, 1);
-  transform: border 0.3s cubic-bezier(0.35, 0, 0.25, 1), background 0.3s cubic-bezier(0.35, 0, 0.25, 1), box-shadow 0.3s cubic-bezier(0.35, 0, 0.25, 1);
-  .transition(all .3s @ease-in-out);
-
-  &:hover {
-    border-color: #23c0fa;
-  }
-
-  &:focus {
-    border-color: #23c0fa;
-    box-shadow: 0 0 3px #23c0fa;
-  }
-}
-
 // size mixins for input
 .input-lg() {
   padding: @input-padding-lg;
@@ -39,10 +14,11 @@
 // Basic style for input
 .input() {
   position: relative;
-  display: block;
+  display: inline-block;
   padding: @input-padding-vertical-base @input-padding-horizontal;
   margin-right: 8px;
   width: 100%;
+  cursor: text;
   height: @input-height-base;
   font-size: @input-font-size;
   line-height: @line-height-base;
@@ -65,7 +41,6 @@
   }
 
   &[disabled],
-  &[readonly],
   fieldset[disabled] & {
     background-color: @input-disabled-bg;
     opacity: 1;