body{margin:0 auto; padding:0; width:100%; min-width:320px;  max-width:640px;}
img{width:100%;}
li{list-style-type:none;}
p{margin:0; padding:0; font-family:"微软雅黑";}
p{font-size:18px; line-height:32px;}
p{text-indent:2em;}
.p_top{margin-top:3%;}
@media screen and (max-width:320px){ p{font-size:9px; line-height:16px;}}
@media screen and (min-width:330px) and (max-width:480px){ p{font-size:11px; line-height:24px;}}
@media screen and (min-width:490px) and (max-width:640px){ p{font-size:18px; line-height:32px;}}
.shoes_1{width:100%; margin:0 auto; overflow:hidden;}
.shoes_2{width:89.2188%; margin:5.5% auto 0 auto; overflow:hidden;}
.shoes_3{width:51.25%; margin:3.5% auto 4.2% auto; overflow:hidden;}
.shoes_3 a{width:39.32%; display:block; float:left;}
.shoes_4{width:75.78125%; margin:0 auto 5% auto; overflow:hidden;}