.c-banner{width: 100%;position: relative;}
.c-banner img{width: 100%;}
.c-banner .banner ul{list-style: none;padding-left: 0px;margin-bottom: 0px;}
.c-banner .banner ul li{position: absolute 	display: none;opacity: 0;}
.c-banner .banner ul li:nth-child(1){opacity: 1;display: block;}
.c-banner .banner ul li img{width: 100%;position: absolute;top: -16px;}
.c-banner .banner ul li:first-child img{position: relative;}
.c-banner .nexImg,.c-banner .preImg{padding: 25px 25px 25px 25px;position: absolute;top: 50%;margin-top: -53px;background: #000000; opacity: 0.5;border-radius: 5px;z-index: 10;}
.c-banner .nexImg:hover,.c-banner .preImg:hover{opacity: 0.8;}
.c-banner .nexImg{right: 0px;}
.c-banner .nexImg img,.c-banner .preImg img{}
.c-banner .jumpBtn{width: 100%;position: absolute;bottom:30px;text-align: center;}
.c-banner .jumpBtn ul{margin-bottom: 0px;padding: 0px;}

.c-banner .jumpBtn ul li{width:20px;height:20px;border-radius: 50%;display: inline-block;background-color: white;opacity: 0.9;margin-left: 10px;}
.c-banner .jumpBtn ul li:first-child{margin-left: 0px;}
@media screen and (max-width:768px) {.c-banner{width: 100%;height: 345px;overflow: hidden;}
.c-banner .banner ul li img{width: 768px;height: 345px;position: absolute;left: 50%;margin-left: -384px;}
}