* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body{ margin:0px 0px; padding:0px 0px; overflow-x: hidden;font-family:微软雅黑; }
a{color:#666;text-decoration:none;}
a:visited { color: #666; text-decoration: none }
a:active { color: #666;text-decoration: none }
a:hover{color:#666;text-decoration:none;}

::-webkit-input-placeholder { /* WebKit browsers */color: #BCBCBC;}
::-moz-placeholder { /* Mozilla Firefox 19+ */color: #BCBCBC;}
:-ms-input-placeholder { /* Internet Explorer 10+ */color: #BCBCBC;}   


.blank10{ width:100%;height:10px;clear:both; overflow: hidden;}
.blank20{ width:100%;height:20px;clear:both;  overflow: hidden;}
.blank30{ width:100%;height:30px;clear:both;  overflow: hidden;}
.blank40{ width:100%;height:40px;clear:both; overflow: hidden; }
.blank50{ width:100%;height:50px;float:left; overflow: hidden; }
.blank60{ width:100%;height:60px;clear:both;  overflow: hidden;}
.blank70{ width:100%;height:70px;clear:both; overflow: hidden; }
.blank80{ width:100%;height:80px;clear:both;  overflow: hidden;}
.blank90{ width:100%;height:90px;clear:both;  overflow: hidden;}
.blank100{ width:100%;height:100px;clear:both;  overflow: hidden;}
.blank110{ width:100%;height:110px;clear:both; overflow: hidden;}
.blank120{ width:100%;height:120px;clear:both;  overflow: hidden;}
.blank130{ width:100%;height:130px;clear:both;  overflow: hidden;}
.blank140{ width:100%;height:140px;clear:both; overflow: hidden; }
.blank150{ width:100%;height:150px;float:left;  overflow: hidden;}
.blank160{ width:100%;height:160px;clear:both; overflow: hidden; }
.blank170{ width:100%;height:170px;clear:both; overflow: hidden; }
.blank180{ width:100%;height:180px;clear:both; overflow: hidden; }
.blank190{ width:100%;height:190px;clear:both;  overflow: hidden;}
.blank200{ width:100%;height:200px;clear:both;  overflow: hidden;}


header,nav,footer {
    display: block;
}

h1,h2,h3,h4,h5,h6 {
    margin: 0;
    padding: 0;
}
p{
    margin: 0;
    padding: 0;
}
img{
    border: none;
}

/* 导航 */