*{ margin:0px; padding:0px;}
body 
{
    line-height:1.5;
    font-family:微软雅黑;
}
a{ text-decoration:none;}
ul,li{ list-style:none; }


.banner {
    width: 100%;
    height: 300px;
    background: #000000;  
    text-align:center;
    line-height:300px;
    color:#ffffff;
    font-size:70px;
}
.hc-all {
    width: 100%; 
    overflow: hidden;
    height: 1900px;
}
.hc-left{width:300px; height: 400px; background: #333333; padding: 5vw 1vw 5vw 4vw; float: right}
.hc-left h3{font-size: 30px; color: #fff; font-weight:bold;} 
.foot {
    width: 100%;
    height: 300px;
    background: #000000;  
}