* {margin: 0;padding: 0;box-sizing: border-box;}
body {width: 100%;min-width:320px;margin: 0 auto;font: 14px/1.5 '微软雅黑';color: #333;overflow-x: hidden;max-width: 750px;}
/*li {list-style: none;}*/
a {text-decoration: none;color: #333;}
a:hover {color: #333;}
i ,em{font-style: normal;}
button, input, textarea, hr {border: none;outline: none;}
.clear {clear: both;}
table {border-collapse: collapse;max-width: 100%;}
table td {border-collapse: collapse;}
select{outline: unset;}
input:focus ,button{outline: none;}
iframe{width:100%;height: 100%;}
img{border:none;}

.main{
    width:100%;
    padding:0 4%;
    display: block;
}