*{ margin:0; padding:0;box-sizing: border-box;-webkit-box-sizing: border-box;-moz-box-sizing: border-box;}
html{font-size: 100%;color:#333;letter-spacing: 0.5px;}
body{ font: 14px/1.5 "Helvetica Neue",Helvetica,Arial,"Microsoft Yahei","Hiragino Sans GB","Heiti SC","WenQuanYi Micro Hei",sans-serif;background-color: #fff;min-width:1000px;}
a{ text-decoration:none;outline: none; -moz-outline: none;-webkit-outline:none;}
a,a:hover{ color:#333;transition:background 0.5s linear;-webkit-transition:background 0.5s linear;-moz-transition:background 0.5s linear;-o-transition:background 0.5s linear;}
em, i{font-style: normal;}
ul, ol, li{list-style: none;}
img{ border:none;vertical-align:middle;}
input,select,textarea{outline:none;border:none;background:none;}
textarea{resize:none;}
p{line-height:22px;}
h1,h2,h3,h4,h5,h6{font-weight:400;}
select {
  /*统一边框*/
  /*border: solid 1px #000;*/
  /*将默认的select选择框样式清除*/
  appearance:none;
  -moz-appearance:none;
  -webkit-appearance:none;
  /*替换选择框的最右侧显示小箭头图片*/
  /*background: url("http://****.png") no-repeat scroll right center transparent;*/
  /*为下拉小箭头留出一点位置，避免被文字覆盖*/
  padding-right: 14px;
} 
.fl {float:left;}
.fr {float:right;}
.clearfix:after,.clearfix:before{
   content:" ";/*加一段内容*/
   display:table;/*创建匿名的表格单元，触发bfc*/
}
.clearfix:after{
  clear:both;/*清除浮动*/
}
.clearfix{zoom:1;/*为IE6，7的兼容性设置*/}


html{font-size: 12px}
@media (min-width: 980px){
html{font-size: 14px}
} /*>=1024的设备*/

@media (min-width: 1100px) {
html{font-size: 14px}
} /*>=1100的设备*/
@media (min-width: 1280px) {
html{font-size: 14px;}
} /*>=1280的设备*/

@media (min-width: 1366px) {

html{font-size: 14px;}
}  

@media (min-width: 1440px) {
html{font-size: 16px !important;}
} 

@media (min-width: 1680px) {
html{font-size: 16px;}
} 
@media (min-width: 1920px) {
html{font-size: 16px;}
}