.comm_pad{padding:5% 0;}
.comm_mar{margin-top: 50px;}
.comm_title h1{font-size: 40px;color: #333;line-height: 40px;text-align: center;font-family: "w6";margin-bottom: 15px;}
.comm_title p{color: #a6a6a6;font-size: 16px;line-height: 24px;text-align: center;}

.index_banner{position: relative;overflow: hidden;}
.index_banner .slick .item{background-size: cover;-webkit-background-size:cover;background-position: center;background-repeat: no-repeat;height:100vh;position: relative;}
.index_banner .slick .item .inner * {display: none;-webkit-animation-duration: 1s;-moz-animation-duration: 1s;-ms-animation-duration: 1s;-o-animation-duration: 1s;animation-duration: 1s;-webkit-animation-fill-mode: both;-moz-animation-fill-mode: both;-ms-animation-fill-mode: both;-o-animation-fill-mode: both;animation-fill-mode: both;}
.index_banner .slick .item.slick-current .inner * {display: block;}
.index_banner .slick .item .inner .txt_block{position: absolute;top: 34%;left: 8%;}
.index_banner .slick .item .inner .txt_block h1{font-size: 50px;color: #fff;}
.index_banner .slick .item .inner .txt_block p{font-size: 24px;color: #fff;line-height: 36px;margin: 40px 0;}
.index_banner .slick .item .inner .txt_block a{display: inline-block;width: 220px;height: 50px;line-height: 50px;padding: 0 20px;font-size: 16px;color: #fff;background-image: url(../images/index_more2.png);background-repeat: no-repeat;background-position: 190px center;border:1px solid #fff;margin-right: 20px;transition: all 500ms ease;-webkit-transition:all 500ms ease;position: relative;}
.index_banner .slick .item .inner .txt_block a:after{content: "";display: block;width: 0;height: 100%;background: #fff;position: absolute;top: 0;left: 0;opacity: 0;visibility: hidden;transition: all 500ms ease;-webkit-transition:all 500ms ease;z-index: -1;}
.index_banner .slick .item .inner .txt_block a:hover:after{opacity: 1;visibility: visible;width: 100%;}
.index_banner .slick .item .inner .txt_block a:hover{color: #333;background-image: url(../images/index_more1.png);}
.index_banner .slick .item .inner .txt_block a:nth-of-type(2){border-color: #006699;color: #006699;background-image: url(../images/index_more3.png);}
.index_banner .slick .item .inner .txt_block a:nth-of-type(2):after{content: "";display: block;width: 0;height: 100%;background: #006699;position: absolute;top: 0;left: 0;opacity: 0;visibility: hidden;transition: all 500ms ease;-webkit-transition:all 500ms ease;z-index: -1;}
.index_banner .slick .item .inner .txt_block a:nth-of-type(2):hover{background-image:url(../images/index_more2.png);color: #fff;}
.index_banner .slick .item .inner .txt_block a:nth-of-type(2):hover:after{opacity: 1;visibility: visible;width: 100%;}
.index_banner .slick .slick-arrow{width:60px;height: 60px;background-position: center;background-repeat: no-repeat;position: absolute;top:50%;transform: translateY(-50%);font-size: 0;border:0;background-color: transparent;z-index: 2;cursor: pointer;border:1px solid rgba(255,255,255,0.3);border-radius: 50%;z-index: 1; transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_banner .slick .slick-prev{background-image: url(../images/index_prev.png);left: 40px;}
.index_banner .slick .slick-next{background-image: url(../images/index_next.png);right: 40px;}
.index_banner .slick .slick-arrow:hover{border-color: rgba(255,255,255,1);}
.index_banner .slick .slick-dots{position: absolute;width: 100%;bottom: 8%;}
.index_banner .slick .slick-dots li{display: inline-block;width: 10px;height: 10px;background: #fff;border-radius: 50%;margin: 0 4px;transition: alll 500ms ease;-webkit-transition:all 500ms ease;}
.index_banner .slick .slick-dots li button{display: none;}
.index_banner .slick .slick-dots li.slick-active{width: 20px;height: 10px;background: #006699;border-radius: 20px;}

.index_main .section1{overflow: hidden;position: relative;padding:10px;}
.index_main .section1 .left{width: 50%;float: left;}
.index_main .section1 .left .inner{margin: 10px;background: #f5f5f5;padding-top: 15%;}
.index_main .section1 .left .inner .com_tit h1{color: #222;font-size: 36px;line-height: 50px;text-align: center;}
.index_main .section1 .left .inner .com_tit p{color: #006699;font-size: 18px;line-height: 24px;text-align: center;margin-top:40px;}
.index_main .section1 .left .inner .com_tit span{color: #666;font-size: 16px;line-height: 24px;text-align: center;display: block;}
.index_main .section1 .left .inner img{display: block;max-width: 100%;margin: 60px auto 0 auto;}
.index_main .section1 .right{width: 50%;height: 100%;position: absolute;right: 0;top: 0;}
.index_main .section1 .right .items{height: 100%;width: 100%;padding: 10px 0;}
.index_main .section1 .right .items .item{width: 100%;height: 50%;padding: 10px;}
.index_main .section1 .right .items .item .box{height: 100%;position: relative;}
.index_main .section1 .right .items .item:nth-of-type(1) .box{background: url(../images/section1_bg1.jpg) no-repeat center;background-size: cover;}
.index_main .section1 .right .items .item .com_tit{position: absolute;top: 50%;transform: translateY(-50%);-webkit-transform: translateY(-50%);right: 7%;width: 52%;}
.index_main .section1 .right .items .item .com_tit h1{color: #fff;font-size: 36px;line-height: 50px;}
.index_main .section1 .right .items .item .com_tit p{color: #cfefff;font-size: 18px;line-height: 24px;}
.index_main .section1 .right .items .item .com_tit span{display:inline-block;margin-top: 40px;color: #fff;font-size: 16px;background: url(../images/index_more2.png) no-repeat center right;padding-right: 20px;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_main .section1 .right .items .item:hover .com_tit span{transform: translateX(10px);-webkit-transform: translateX(10px);}
.index_main .section1 .right .items .item .img{width: 32%;position: absolute;bottom: 0;left:4%;}
.index_main .section1 .right .items .item .img img{display: block;max-height: 90%;max-width: 90%;margin: 0 auto;}
.index_main .section1 .right .items .item:nth-of-type(2) .box{background: #232323;}
.index_main .section1 .right .items .item:nth-of-type(2) .com_tit{right: initial;left: 12%;}
.index_main .section1 .right .items .item:nth-of-type(2) .com_tit p{color: #666;}
.index_main .section1 .right .items .item:nth-of-type(2) .com_tit a{color: #2da4df;background: url(../images/index_more3.png) no-repeat center right;}
.index_main .section1 .right .items .item:nth-of-type(2) .img{left: inherit;right: 7%;top: 50%;bottom: inherit;transform: translateY(-50%);}
.index_main .section1 .right .items .rings{position: absolute;top: -18%;right: -18%;width: 136%; height: 100%;}
.index_main .section1 .right .items .item .ring{margin: 0 auto; left: 0; right: 0; -webkit-animation: rings 1500ms linear infinite; animation: rings 1500ms linear infinite; -webkit-transform: scale(0); transform: scale(0); opacity: 0;}
.index_main .section1 .right .items .item .ring img{width: 100%; display: block;}
.index_main .section1 .right .items .item .ring:nth-of-type(1){position: absolute; width: 100%;top:0; -webkit-animation-delay: 500ms; animation-delay: 500ms;}
.index_main .section1 .right .items .item .ring:nth-of-type(2){position: absolute; width: 72%; top:19%;-webkit-animation-delay: 750ms; animation-delay: 750ms;}
.index_main .section1 .right .items .item .ring:nth-of-type(3){position: absolute; width: 48%;top:36%; -webkit-animation-delay: 1000ms; animation-delay: 1000ms;}
.index_main .section1 .right .items .item .ring:nth-of-type(4){position: absolute; width: 30%;top:47%; -webkit-animation-delay: 1000ms; animation-delay: 1000ms;}
@-webkit-keyframes rings{
    0%{transform: scale(.4); opacity: 0;}
    50%{opacity: 1;}
    100%{transform: scale(1.4); opacity: 0}
}
@keyframes rings{
    0%{transform: scale(.4); opacity: 0;}
    50%{opacity: 1;}
    100%{transform: scale(1.4); opacity: 0}
}


.index_main .section2{padding: 0 20px;}
.index_main .section2 .box{/*background-image: url(../images/section2_bg1.jpg);*/background-repeat: no-repeat;background-position: center;background-size: cover;height: 90vh;position: relative;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_main .section2 .box .txt_block{position: absolute;right: 5%;top: 28%;z-index: 2;}
.index_main .section2 .box .txt_block .txt i{height: 40px;width: 138px;display: block;background: url(../images/index_ico1.png) no-repeat left center;} 
.index_main .section2 .box .txt_block .txt h1{font-size: 50px;color: #fff;}
.index_main .section2 .box .txt_block .txt p{font-size: 18px;color: #fff;line-height: 28px;margin: 30px 0 60px 0;}
.index_main .section2 .box .txt_block .items{overflow: hidden;padding-top: 5px;}
.index_main .section2 .box .txt_block .items .item{float: left;margin-right: 30px;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_main .section2 .box .txt_block .items .item .pic{width: 60px;height: 60px;border-radius: 50%;border:2px solid #fff;background-position: center;background-repeat: no-repeat;float: left;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_main .section2 .box .txt_block .items .item:nth-of-type(1) .pic{background-image: url(../images/index_ico2.png);}
.index_main .section2 .box .txt_block .items .item:nth-of-type(2) .pic{background-image: url(../images/index_ico3.png);}
.index_main .section2 .box .txt_block .items .item:nth-of-type(3) .pic{background-image: url(../images/index_ico4.png);}
.index_main .section2 .box .txt_block .items .item:hover .pic{border-color: #006699;background-color: #006699;}
.index_main .section2 .box .txt_block .items .item .txt_r{margin-left: 80px;}
.index_main .section2 .box .txt_block .items .item .txt_r h1{font-family: "Arial";font-size: 16px;color: #fff;line-height: 24px;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_main .section2 .box .txt_block .items .item .txt_r h2{font-size: 18px;color: #fff;line-height: 24px;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_main .section2 .box .txt_block .items .item:hover .txt_r h1,.index_main .section2 .box .txt_block .items .item:hover .txt_r h2{color:#006699; }
.index_main .section2 .box .txt_block .items .item:hover{transform: translateY(-5px);-webkit-transform: translateY(-5px);}

.index_main .section2 .box .txt_block .more{margin-top: 80px;display: inline-block;width: 200px;height: 50px;line-height: 50px;padding: 0 20px;font-size: 16px;color: #fff;background-image: url(../images/index_more2.png);background-repeat: no-repeat;background-position: 170px center;border:1px solid #fff;transition: all 500ms ease;-webkit-transition:all 500ms ease;position: relative;}
.index_main .section2 .box .txt_block .more:after{content: "";display: block;width: 0;height: 100%;background: #fff;position: absolute;top: 0;left: 0;opacity: 0;visibility: hidden;transition: all 500ms ease;-webkit-transition:all 500ms ease;z-index: -1;}
.index_main .section2 .box .txt_block .more:hover:after{opacity: 1;visibility: visible;width: 100%;}
.index_main .section2 .box .txt_block .more:hover{color: #333;background-image: url(../images/index_more1.png);}

.index_main .section3{padding: 5% 0;}
.index_main .section3 .tit {width: 50%;}
.index_main .section3 .tit h1{font-size: 50px;color: #222;}
.index_main .section3 .tit p{font-size: 18px;color: #666;margin-top: 30px;display: none;}
.index_main .section3 .tab_box{position: relative;padding-top: 5%;}
.index_main .section3 .tab_tit{position: absolute;right: 0;top: -20%;overflow:hidden;}
.index_main .section3 .tab_tit li{float: left;position: relative;}
.index_main .section3 .tab_tit li a{display: block;font-size: 16px;color: #666;line-height: 40px;width: 120px;height: 40px;text-align: center;position: relative;}
.index_main .section3 .tab_tit li a:after{content: "";display: block;width: 0;height: 100%;position: absolute;left: 0;top: 0;opacity: 0;visibility: hidden;z-index: -1;transition:all 500ms ease;-webkit-transition:all 500ms ease;background: #006699;}
.index_main .section3 .tab_tit li:hover a:after,.index_main .section3 .tab_tit li.on a:after{width: 100%;opacity: 1;visibility: visible;}
.index_main .section3 .tab_tit li:hover a,.index_main .section3 .tab_tit li.on a{color: #fff}
.index_main .section3 .tab_tit li:before{content: "";display: block;width: 2px;height: 20px;position: absolute;left: -1px;top: 50%;margin-top: -10px;background: #ddd;z-index: -2;}
.index_main .section3 .tab_tit li:first-child:before{display: none;}

.index_main .section3 .tab_con .tab_main{margin: 0 -60px;display: none;overflow: hidden;}
.index_main .section3 .tab_con .tab_main .item{width: 50%;float: left;}
.index_main .section3 .tab_con .tab_main .item .inner{margin: 0 60px;}
.index_main .section3 .tab_con .tab_main .item .inner .pic{display: block;width: 270px;height: 180px;overflow: hidden;float: left;}
.index_main .section3 .tab_con .tab_main .item .inner .pic img{display: block;width: 100%;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_main .section3 .tab_con .tab_main .item:hover .inner .pic img{transform: scale(1.05);-webkit-transform: scale(1.05);}
.index_main .section3 .tab_con .tab_main .item .inner .txt{margin-left: 330px;}
.index_main .section3 .tab_con .tab_main .item .inner .txt h1{color: #222;font-size: 18px;font-weight: bold;text-overflow: ellipsis;overflow: hidden;white-space: nowrap;}
.index_main .section3 .tab_con .tab_main .item .inner .txt p{font-size: 16px;color: #666;line-height: 24px;height: 72px;overflow: hidden;margin: 20px 0 25px 0;}
.index_main .section3 .tab_con .tab_main .item .inner .txt .bot{overflow: hidden;}
.index_main .section3 .tab_con .tab_main .item .inner .txt .bot .more{display: block;width: 18px;height: 20px;background: url(../images/index_more4.png) no-repeat center;transition: all 500ms ease;-webkit-transition:all 500ms ease;float: left;margin-top: 13px;}
.index_main .section3 .tab_con .tab_main .item:hover .inner .txt .bot .more{transform: translateX(5px);-webkit-transform: translateX(5px);}
.index_main .section3 .tab_con .tab_main .item .inner .txt .bot .date {float: right;}
.index_main .section3 .tab_con .tab_main .item .inner .txt .bot .date i{font-size: 28px;font-family: "Arial";color: #222;display: block;}
.index_main .section3 .tab_con .tab_main .item .inner .txt .bot .date span{font-size: 12px;font-family: "Arial";color: #999;display: block;}
.index_main .section3 .tab_con .tab_main .item:hover .inner .txt h1{color:#026596; }



.index_main .section4{height: 80vh;overflow: hidden;}
.index_main .section4 .left{float:left;width: 50%;height: 100%;background: #026596;position: relative;}
.index_main .section4 .left canvas{position: absolute;bottom: 0;left: 0;width: 100%;height: 100%;z-index: 0;}
.index_main .section4 .left .left_slick{position: absolute;top: 30%;left: 0;right: 0;}
.index_main .section4 .left .left_slick .item a{display: block;}
.index_main .section4 .left .left_slick .item i{display: block;width: 70px;height: 56px;background-repeat: no-repeat;background-position: center;margin: 0 auto}
.index_main .section4 .left .left_slick .item:nth-of-type(1) i{background-image: url(../images/index_ico6.png);}
.index_main .section4 .left .left_slick .item:nth-of-type(2) i{background-image: url(../images/index_ico7.png);}
.index_main .section4 .left .left_slick .item:nth-of-type(3) i{background-image: url(../images/index_ico8.png);}
.index_main .section4 .left .left_slick .item h1{font-size: 40px;color: #fff;text-align:center;margin: 50px 0;}
.index_main .section4 .left .left_slick .item p{font-size: 16px;color: #fff;line-height: 26px;text-align:center;}
.index_main .section4 .left .left_slick .slick-dots{}
.index_main .section4 .left .left_slick .slick-dots li{display: inline-block;width: 10px;height: 10px;background: #fff;border-radius: 50%;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_main .section4 .left .left_slick .slick-dots li button{display: none;}
.index_main .section4 .left .left_slick .slick-dots li.slick-active{width: 20px;border-radius: 20px;}
.index_main .section4 .left .left_slick .slick-arrow{position: absolute;right:-35px;border:0;font-size: 0;outline: none;cursor: pointer;width: 70px;height: 70px;background-color: #fff;background-repeat: no-repeat;background-position: center;z-index: 1;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_main .section4 .left .left_slick .slick-prev{bottom:15%;background-image: url(../images/index_prev2_hover.png);}
.index_main .section4 .left .left_slick .slick-next{top: 30%;background-image: url(../images/index_next2_hover.png);}
.index_main .section4 .left .left_slick .slick-prev:hover{background-image: url(../images/index_prev2.png);background-color: #006699;}
.index_main .section4 .left .left_slick .slick-next:hover{background-image: url(../images/index_next2.png);background-color: #006699;}
.index_main .section4 .right{float: right;width: 50%;height: 100%;background-size: cover;background-repeat: no-repeat;background-position: center;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.index_main .section4 .right .box{display: table;text-align: center;height: 100%;width: 100%;}
.index_main .section4 .right .box .inner{background: rgba(255,255,255,0.1);padding: 10px;display: table-cell;vertical-align: middle;}
.index_main .section4 .right .box .box_inner{background: rgba(255,255,255,0.5);display: inline-block;padding: 6% 3%;}
.index_main .section4 .right .box .box_inner i{display: block;width: 170px;height: 46px;background: url(../images/index_ico5.png) no-repeat center;
    margin: 0 auto 30px auto;}           
.index_main .section4 .right .box .box_inner p{text-align:center;font-size: 14px;color: #333;line-height: 24px;}

.layer_box{width: 100%;height: 100%;position: fixed;top: 0;left:0;background: rgba(0,0,0,0.5);z-index: 999999999999;transition: all 500ms ease;-webkit-transition:all 500ms ease;display: none;}
.layer_box .layer_cont.active{right: 0;transition: all 500ms ease;-webkit-transition:all 500ms ease;}
.layer_box .layer_cont{max-width: 1300px;width:70%;height: 100%;position: absolute;right: -100%;top: 0;transition: all 500ms ease;-webkit-transition:all 500ms ease; z-index: 999999999999;}
.layer_box .layer_cont iframe{width: 100%;height: 100%;}
.layer_box .layer_cont .btn{width: 242px;height: 65px;background: #03537b url(../images/back.png) no-repeat center center;display: block;position: absolute;top: 0;left: 0;}
.layer_box .layer_cont .btn:hover{background-color:#034d72;background-position:50px center;}
.news_detail{padding: 6% 9%;}
.news_detail .tit{margin-bottom: 40px;}
.news_detail .tit span{font-size: 16px;color: #333;display: block;margin-bottom: 10px;font-family: "Arial";}
.news_detail .tit h1{font-size: 30px;color: #333;line-height: 30px;}
.news_detail .news_con p{font-size: 16px;color: #444;line-height: 28px;margin-bottom: 30px;}
.news_detail .news_con img{display: block;max-width: 100%;/*margin:70px 0;*/ }

@media only screen and (max-width: 1700px) {
    .index_main .section1 .right .items .item .com_tit h1{font-size: 34px;}
}

@media only screen and (max-width: 1600px) {
	.index_banner .slick .item .inner .txt_block h1{font-size: 40px;}
    .index_banner .slick .item .inner .txt_block p{font-size: 22px;line-height: 32px;margin: 35px 0;}
    .index_main .section1 .left .inner .com_tit h1{font-size: 32px;line-height: 44px;}
    .index_main .section1 .left .inner .com_tit p{margin-top: 34px;}
    .index_main .section1 .right .items .item .com_tit h1{font-size: 32px;line-height: 44px;}
   /* .index_main .section1 .right .items .item:nth-of-type(2) .img {right: 18%;}*/
    .index_main .section2 .box .txt_block .txt h1{font-size: 40px;}
    .index_main .section3 .tit h1{font-size: 40px;}
    .index_main .section4 .left .left_slick .item h1{font-size: 36px;margin: 40px 0;}
    .index_main .section4 .left .left_slick .slick-arrow{width: 60px;height: 60px;right: -30px;}
}
@media only screen and (max-width: 1500px){
	
}
@media only screen and (max-width: 1440px) {
	.index_banner .slick .item .inner .txt_block h1{font-size: 34px;}
    .index_banner .slick .item .inner .txt_block p{font-size: 20px;line-height: 26px;margin: 30px 0;}
    .index_banner .slick .slick-arrow{width: 45px;height: 45px;}
    .index_banner .slick .slick-prev{left: 25px;}
    .index_banner .slick .slick-next{right: 25px;}
    .index_banner .slick .item .inner .txt_block a {width: 200px;height: 46px;line-height: 46px;font-size: 14px;background-position: 170px center;}
    .index_main .section1 .left .inner .com_tit h1{font-size: 28px;line-height: 40px;}
    .index_main .section1 .left .inner .com_tit p{margin-top: 26px;}
    .index_main .section1 .right .items .item .com_tit h1{font-size: 28px;line-height: 40px;}
    .index_main .section1 .right .items .item .com_tit a{margin-top: 28px;}
    .index_main .section2 .box .txt_block .txt h1{font-size: 34px;}
    .index_main .section2 .box .txt_block .txt i{background-size: auto 30px;}
    .index_main .section2 .box .txt_block .txt p{margin: 25px 0 45px 0;font-size: 16px;line-height: 24px;}
    .index_main .section2 .box .txt_block .txt h1{font-size: 30px;}
    .index_main .section2 .box .txt_block .more {width: 180px;font-size: 14px;line-height: 46px;background: url(../images/index_more2.png) no-repeat 150px center;margin-top: 45px;}
    .index_main .section2 .box .txt_block .more:hover{background: #fff url(../images/index_more1.png) no-repeat 150px center;}
    .index_main .section3 .tit h1{font-size: 30px;}
    .index_main .section3 .tab_tit li a{font-size: 14px;}
    .index_main .section3 .tit p{font-size: 16px;margin-top: 22px;}
    .index_main .section3 .tab_tit{top: -40%;}
    .index_main .section3 .tab_con .tab_main .item .inner .pic{width: 250px;height: 166px;}
    .index_main .section3 .tab_con .tab_main .item .inner .txt{margin-left: 290px;}
    .index_main .section3 .tab_con .tab_main .item .inner .txt h1{font-size: 16px;}
    .index_main .section3 .tab_con .tab_main .item .inner .txt p{font-size: 14px;margin: 12px 0 15px 0;}
    .index_main .section3 .tab_con .tab_main .item .inner .txt .bot .date i{font-size: 24px;}
    .index_main .section4 .left .left_slick .item h1{font-size: 32px;margin: 35px 0;}
    .index_main .section4 .left .left_slick .slick-arrow{width: 50px;height: 50px;right: -25px;}
}
@media only screen and (max-width: 1366px) {
	.index_banner .slick .item .inner .txt_block h1{font-size: 28px;}
    .index_banner .slick .item .inner .txt_block p{font-size: 18px;line-height: 24px;margin: 20px 0;}
    .index_main .section1 .left .inner .com_tit h1{font-size: 24px;line-height: 30px;}
    .index_main .section1 .left .inner .com_tit p{margin-top: 20px;}
    .index_main .section1 .right .items .item .com_tit h1{font-size: 24px;line-height: 30px;}
    .index_main .section1 .right .items .item .com_tit a{margin-top: 25px;}
    .index_main .section2 .box .txt_block .txt h1{font-size: 26px;}
    .index_main .section2 .box .txt_block .txt p{margin: 20px 0 40px 0;}
    .index_main .section2 .box .txt_block .items .item .pic{width: 45px;height: 45px;background-size: auto 20px;}
    .index_main .section2 .box .txt_block .items .item .txt_r{margin-left: 65px;}
    .index_main .section3 .tit h1{font-size: 26px;}
     .index_main .section3 .tit p{font-size: 14px;}
    .index_main .section3 .tit p br{display: none;}
    .index_main .section3 .tab_con .tab_main .item .inner .pic{width: 225px;height: 150px;}
    .index_main .section3 .tab_con .tab_main .item .inner .txt{margin-left: 260px;}
    .index_main .section4 .left .left_slick .item h1{font-size: 28px;margin: 30px 0;}
    .index_main .section4 .left .left_slick .item p{font-size: 14px;line-height: 24px;}

}
@media only screen and (max-width: 1300px){
    .index_main .section3 .tab_tit { top: -54%;}
}
@media only screen and (max-width: 1199px) {
    .index_main .section1 .left .inner .com_tit h1{font-size: 20px;line-height: 26px;}
    .index_main .section1 .right .items .item .com_tit h1{font-size: 20x;line-height: 26px;}
    .index_main .section1 .right .items .item .com_tit a{margin-top: 20px;}
    .index_main .section4 .left .left_slick .item h1{font-size: 24px;}
}
@media only screen and (max-width: 992px) {
    .index_banner .slick .slick-arrow{display: none !important;}
    .index_banner .slick .item{height: 50vh;}
    .index_banner .slick .item .inner .txt_block{top: 26%;}
    .index_banner .slick .item .inner .txt_block h1{font-size: 22px;}
    .index_banner .slick .item .inner .txt_block p{font-size: 14px;line-height: 20px;margin: 10px 0 20px 0;}
    .index_banner .slick .item .inner .txt_block a {width: 120px;height: 36px;line-height: 36px;font-size: 14px;background-position: 94px center;}
    .index_banner .slick .slick-dots li{width: 8px;height: 8px;}
    .index_banner .slick .slick-dots li.slick-active{width: 15px;height: 8px;}
    .index_main .section1 .left{width: 100%;float: none;}
    .index_main .section1 .left .inner{padding-top: 60px;}
    .index_main .section1 .left .inner .com_tit h1{font-size: 18px;line-height:24px;}
    .index_main .section1 .left .inner .com_tit p{margin-top: 15px;font-size: 14px;}
    .index_main .section1 .left .inner .com_tit span{font-size: 13px;}
    .index_main .section1 .left .inner img{max-width: 70%;margin: 30px auto 0 auto;}
    .index_main .section1 .right{width: 100%;float: none;position: static;}
    .index_main .section1 .right .items .item .img{position: static;margin: 0 auto;width: 50%;transform: translateY(0) !important;-webkit-transform: translateY(0) !important;}
    .index_main .section1 .right .items .item .com_tit{text-align: center;margin: 30px 0 40px;}
    .index_main .section1 .right .items .item:nth-of-type(1) .com_tit{padding-top: 40px;padding-right: 20px;padding-left: 20px;}
    .index_main .section1 .right .items .item .com_tit{position: static;transform: translateY(0);-webkit-transform: translateY(0);width: 100%;}
    .index_main .section1 .right .items .item .com_tit h1{font-size: 18px;line-height:24px;}
    .index_main .section1 .right .items .item .com_tit p{font-size: 14px;}
    .index_main .section1 .right .items .item .com_tit a{margin-top: 15px;}
    .index_main .section1 .right .items .item .img img{max-width: 110%;}
    .index_main .section1 .right .items .rings{width: 100%;left: 0;margin: 0 auto;top: 10%;right: 0;height: 100%;position: static;}
    .index_main .section1 .right .items .item .ring:nth-of-type(1){;width: 100%;top: 4%;}
    .index_main .section1 .right .items .item .ring:nth-of-type(2){width: 72%;top: 17%;}
    .index_main .section1 .right .items .item .ring:nth-of-type(3){width: 48%;top: 26%;}
    .index_main .section1 .right .items .item .ring:nth-of-type(4){width: 30%;top: 34%;}
    .index_main .section1 .right .items .item:nth-of-type(2) .box{padding-top: 30px;}
    .index_main .section1 .right .items .item .com_tit span{margin-top: 25px;}
    .index_main .section2{margin-bottom: 30px;}
    .index_main .section2 .box{position: static;height: auto;padding: 30px 15px;}
    .index_main .section2 .box .txt_block{position: static;}
    .index_main .section2 .box .txt_block .txt h1{font-size: 22px;}
    .index_main .section2 .box .txt_block .txt p {margin: 15px 0 28px 0;}
    .index_main .section2 .box .txt_block .txt p br{display: none;}
    .index_main .section2 .box .txt_block .more {width: 120px;font-size: 14px;line-height: 36px;background: url(../images/index_more2.png) no-repeat 92px center;}
    .index_main .section2 .box .txt_block .items .item{float: none;margin-bottom: 20px;}
    .index_main .section2 .box .txt_block .more{margin-top: 15px;}
    .index_main .section3{padding: 30px 0;overflow: hidden;display: none;}
    .index_main .section3 .tit{width: 100%;}
    .index_main .section3 .tit h1{font-size: 22px;}
    .index_main .section3 .tit p{margin-top: 12px;}
    .index_main .section3 .tab_box{padding-top: 30px;}
    .index_main .section3 .tab_tit{position: static;margin-bottom: 30px;}
    .index_main .section3 .tab_tit li a{width: 95px;line-height: 36px;height: 36px;}
    .index_main .section3 .tab_con .tab_main .item{width: 100%;float: none;margin-bottom: 20px;}
    .index_main .section3 .tab_con .tab_main .item .inner .pic{width: 100%;height: auto;float: none;}
    .index_main .section3 .tab_con .tab_main .item .inner .txt{margin-left: 0;margin-top: 20px;}
    .index_main .section3 .tab_con .tab_main .item .inner .txt p {font-size: 14px;margin: 12px 0 5px 0;}
    .index_main .section4 .left .left_slick .item h1{font-size: 22px;margin: 20px 0;}
    .index_main .section4{height: 60vh;}
    .index_main .section4 .left .left_slick{top: 20%;left: 30px;right: 30px;}
    .index_main .section4 .right{display: none;}
    .index_main .section4 .left{width: 100%;float: none;}
    .index_main .section4 .left .left_slick .slick-arrow{display: none !important;}
    .index_main .section4 .left .left_slick .slick-dots{bottom: -40px;}
    .layer_box .layer_cont{width: 100%;}
    .layer_box .layer_cont .btn{width: 180px;background-size: auto 25px;}

}