.bann{ width:100%; overflow:hidden;}
.bann .jiantou{position:absolute; z-index:99; left:50%; margin-left:-100px; bottom:60px; width:200px!important; height:200px!important;}
.bann .jiantou img{ width:200px!important; height:200px!important;}
.bann .item img{ height:410px;}
.bann .item{position:relative}
.bann .img img{display:block}
.bann .slick-arrow{font-size:0;text-indent:9999px;border:none;z-index:5;cursor:pointer;outline:0}
.bann .slick-next,.bann .slick-prev{width:3.6458vw;height:3.6458vw;border-radius:50%;position:absolute;top:50%;margin-top:-1.8229vw;background-color:transparent;background-position:center;background-repeat:no-repeat;background-size:auto 100%;overflow:hidden}

.bann .slick-prev{left:4%;background-image:url(../images/c_prev.png)}
.bann .slick-next{right:4%;background-image:url(../images/c_next.png)}
.bann .slick-dots{position:absolute;right:40%;bottom:0;width:18.13541vw;height:52px;line-height:52px;font-size:0;/*background-color:rgba(4,69,165,.8)*/}

/*.banner .slick-dots::before{content:"";display:block;position:absolute;top:0;right:100%;width:0;height:0;border-top:26px solid transparent;border-right:16px solid rgba(4,69,165,.8);border-bottom:26px solid transparent}*/
.bann .slick-dots li{display:inline-block;vertical-align:middle;width:25px;height:25px;margin:0 10px;background:url(../images/dot.png) center no-repeat;background-size:auto 100%;cursor:pointer}

.bann .slick-dots button{display:none}
.bann .slick-dots li.slick-active{transform:rotate(360deg);transition:.4s;background-image:url(../images/actdot.png)}

@media screen and (max-width:1600px){
.bann .txt{font-size:14px}
}

@media screen and (max-width:1440px){
.bann .item img{ height:360px;}
.bann .jiantou{ margin-left:-80px; width:120px!important; height:120px!important;}
.bann .jiantou img{ width:120px!important; height:120px!important;}
}
@media screen and (max-width:1280px){
.bann .item img{ height:350px;}
}
@media screen and (max-width:1024px){
.bann .item img{ height:300px;}
}


.slick-slider{ top:0; padding-top:0;position:relative;display:block;-moz-box-sizing:border-box;box-sizing:border-box;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none;-khtml-user-select:none;-ms-touch-action:pan-y;touch-action:pan-y;-webkit-tap-highlight-color:transparent}

.slick-list{position:relative;display:block;overflow:hidden;margin:0;padding:0}
.slick-list:focus{outline:0}
.slick-list.dragging{cursor:pointer;cursor:hand}
.slick-slider .slick-list,.slick-slider .slick-track{-webkit-transform:translate3d(0,0,0);-moz-transform:translate3d(0,0,0);-ms-transform:translate3d(0,0,0);-o-transform:translate3d(0,0,0);transform:translate3d(0,0,0)}

.slick-track{position:relative;top:0;left:0;display:block}
.slick-track:after,.slick-track:before{display:table;content:''}
.slick-track:after{clear:both}

.slick-loading .slick-track{visibility:hidden}
.slick-slide{display:none;float:left;height:100%;min-height:1px}
[dir=rtl] .slick-slide{float:right}

.slick-slide img{display:block;width: 100%;}
.slick-slide.slick-loading img{display:none}
.slick-slide.dragging img{pointer-events:none}
.slick-initialized .slick-slide{display:block}
.slick-loading .slick-slide{visibility:hidden}
.slick-vertical .slick-slide{display:block;height:auto}