.bank{width:100%; margin:auto; padding-top:18%; height:150px; text-align:center;}

.bbz{font-weight:bold; color:#FFF; font-size:48px; line-height:90px; font-weight:bold; letter-spacing:-2px;text-shadow: 2px 2px #000;}
.bbz span{font-size:40px; font-weight:bold; letter-spacing:-1px; }


/*banner*/
.banner{ width:100%;height: 100vh; overflow:hidden;position: relative; }
.banner .hd{ overflow:hidden; position:absolute; right:0; bottom:20px; width: 100%; z-index:1; }
.banner .hd ul{ overflow:hidden; zoom:1; text-align: center;}
.banner .hd ul li{margin:0 10px; display: inline-block; width:60px; height:2px; 
	cursor:pointer;  background: #000; opacity: .5;
}
.banner .hd ul li.on{ background:#fff;opacity: 1; }
.banner .bd{ position:relative; z-index:0; width: 1920px;left: 50%; margin-left: -960px; }
.banner .bd li{ zoom:1; vertical-align:middle; }
.banner .bd img{width: 100%; height: 100vh; display:block; }

/* 下面是前/后按钮代码，如果不需要删除即可 */
.banner .wid_main{position: absolute; top:25%; left: 50%; margin-left: -600px;}
.banner .prev,
.banner .next{ position:absolute; left:0; top:45%; display:block; filter:alpha(opacity=80);opacity:0.4;}
.banner .next{ left:auto; right:0;}
.banner .prev:hover,
.banner .next:hover{ filter:alpha(opacity=90);opacity:.9;  }
.banner .prevStop{ display:none; }
.banner .nextStop{ display:none; }


@media(max-width:2800px) {
	
	
.bbz{font-weight:bold; color:#FFF; font-size:80px; line-height:140px; font-weight:bold;  letter-spacing:-2px; text-shadow: 2px 2px #000;}
.bbz span{font-size:56px; font-weight:bold; letter-spacing:-1px;  }
	
	}

@media(max-width:1440px) {
	
	
.bbz{font-weight:bold; color:#FFF;font-size:48px!important; line-height:90px!important;  font-weight:bold; letter-spacing:-2px; text-shadow: 2px 2px #000;}
.bbz span{font-size:40px!important; font-weight:bold;  letter-spacing:-1px;}
	
	}


@media all and (max-width:768px){

.bbz{font-weight:bold; color:#FFF; font-size:24px!important; line-height:40px!important; font-weight:bold; letter-spacing:0px;text-shadow: 2px 2px #000;}
.bbz span{font-size:22px!important; font-weight:bold; }	
}