html,body,ul,li,p,input,img,header,article,section,footer{border:0;margin:0;padding:0;box-sizing:border-box;font-family:"苹方","微软雅黑",helvetica;}
input,button,select,textarea{outline:none;}
input,textarea,a{-webkit-tap-highlight-color: transparent!important;}
textarea{resize: none;}
ul,li{list-style-type: none;}
input{line-height:normal;}
span{display:inline-block;}