.header{box-shadow:0 5px 15px 0 rgba(19,62,106,.15);background-color:#fff}.header .container{background:0 no-repeat;background-size:auto 80%;margin:0 auto;width:1200px;height:60px;line-height:60px}.header .container .nav{float:right;font-size:0}.header .container .nav li{float:left;margin-right:60px}.header .container .nav li a{vertical-align:middle;font-size:14px;color:#3684f7}