body{background: #fff;font-size:14px;
 /*font-family: -apple-system,"SF UI Text",Roboto,Noto,"Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;*/
 font-family: "Microsoft YaHei","微软雅黑",Arial,sans-serif;
 color:#333;max-width: 1920px;margin:0 auto;}
*{margin:0;padding:0;box-sizing: border-box;}
ul,dl,dd,dt,h2,p,h3,h4,h1{margin:0;}
ul,li{list-style: none;}
i{font-style: normal;}
a{cursor: pointer;color:inherit;}
a:hover,a:focus{text-decoration: none;color:inherit;}

.fs0{font-size:0;}
.fs48{font-size: 48px;}
.fs42{font-size: 42px;}
.fs36{font-size: 36px;}
.fs30{font-size: 30px;}
.fs24{font-size: 24px;}
.fs20{font-size: 20px;}
.fs18{font-size: 18px;}
.fs16{font-size: 16px;}

@font-face {
 font-family: "ciconfont"; /* Project id 3206987 */
 src: url('https://at.alicdn.com/t/font_3206987_ghjgi0aa6yf.woff2?t=1645860765856') format('woff2'),
 url('https://at.alicdn.com/t/font_3206987_ghjgi0aa6yf.woff?t=1645860765856') format('woff'),
 url('https://at.alicdn.com/t/font_3206987_ghjgi0aa6yf.ttf?t=1645860765856') format('truetype');
}

.ciconfont {
 font-family: "ciconfont" !important;
 font-size: 16px;
 font-style: normal;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
}

.cicon-youjiantou:before {
 content: "\e6e0";
}

@font-face{
 font-family: 'news';
 src:url('news.ttf');
}
@font-face{
 font-family: 'tc';
 src:url('tc.ttf');
}
@font-face{
 font-family: 'hos';
 src:url('hos.ttf');
}

.ht{font-family: '黑体';}
.c0{color:#000;}
.c3{color:#333;}
.c6{color:#666;}
.fl{float:left;}
.fr{float:right!important;}
.mb10{margin-bottom: 10px;}
.mt10{margin-top: 10px;}
.mt5{margin-top: 5px;}
.pr{position: relative;}
.bold{font-weight: bold;}
.img-responsive{display: block;margin:0 auto;max-width: 100%;}
.flex,.flexC{ display: -webkit-box;display: -webkit-flex; display: -ms-flexbox; display: flex;}
.flex>.sub,.flexC>.sub{ -webkit-box-flex: 1; -webkit-flex: 1; -ms-flex: 1; flex: 1; overflow: hidden;}
.flexC{-webkit-flex-direction: column; flex-direction: column;}
.sb{justify-content: space-between;}
.jc{justify-content: center;}
.ai{-webkit-box-align:center;-moz-box-align:center;-o-box-align:center;-ms-flex-align:center;-webkit-align-items:center;align-items:center;}
.wrap{flex-wrap: wrap;}
.oneLine{white-space: nowrap;width: 100%;overflow: hidden;text-overflow: ellipsis;}
.twoLine{text-overflow:-o-ellipsis-lastline;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;}
.no-padding{padding-left:0;padding-right: 0;}
.padding{padding:0 3%;}
.bg{background: #f8f8f8;}
.navbar{margin:0;border:none;background: none;color:#fff;}
.navbar-brand{height: auto;padding:20px 15px;display: inline-block;}
/*.navbar-collapse{padding:20px 0;}*/
.logo-m{display: none!important;}
.navbar-brand>img{max-height: 55px;}
.imghover{transition: all linear .6s;}
.imghover:hover{transform: scale(1.08);}
.mix{position: absolute;top:50%;left:50%;transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);-moz-transform:translate(-50%,-50%);-webkit-transform:translate(-50%,-50%);-o-transform:translate(-50%,-50%);}
.w1400{width: 85%;max-width: 1470px;margin-left:auto;margin-right: auto;}
.css3{-webkit-transition-duration: 0.5s; -ms-transition-duration: 0.5s; -o-transition-duration: 0.5s; -moz-transition-duration: 0.5s; transition-duration: 0.5s;}
.css3l{-webkit-transition-duration: 1s; -ms-transition-duration: 1s; -o-transition-duration: 1s; -moz-transition-duration: 1s; transition-duration: 1s;}
.full_img{width:100%;height: 100%;object-fit: cover;object-position: center;}
.gray {-webkit-filter:grayscale(100%);-moz-filter:grayscale(100%);-ms-filter:grayscale(100%);-o-filter:grayscale(100%);filter:grayscale(100%);filter:gray;}
.gray:hover {-webkit-filter:grayscale(0%);-moz-filter:grayscale(0%);-ms-filter:grayscale(0%);-o-filter:grayscale(0%);filter:grayscale(0%);filter:gray;}
.w100{width: 100%;}

.common_btn{position: relative;overflow: hidden;}
.common_btn>span{display:inline-block;vertical-align:middle;opacity:0;filter: alpha(opacity=0);color:#fff;-webkit-transform:translate3d(0,-10px,0);transform:translate3d(0,-10px,0);-webkit-transition:-webkit-transform .3s,opacity .3s;transition:transform .3s,opacity .3s;-webkit-transition-timing-function:cubic-bezier(.75,0,.125,1);transition-timing-function:cubic-bezier(.75,0,.125,1);vertical-align:0}
.common_btn::before{content:attr(c-text);position:absolute;top:0;left:10%;width:80%;height:100%;-webkit-transition:-webkit-transform .3s,opacity .3s;transition:transform .3s,opacity .3s;-webkit-transition-timing-function:cubic-bezier(.75,0,.125,1);transition-timing-function:cubic-bezier(.75,0,.125,1);display: none\0;}
.common_btn:hover .iconfont{color:#fff;}
/*.common_btn:hover{background:#d20319;}*/
.common_btn:hover::before{opacity:0;filter: alpha(opacity=0);-webkit-transform:translate3d(0,100%,0);transform:translate3d(0,100%,0)}
.common_btn:hover>span{opacity:1;filter: alpha(opacity=100);-webkit-transform:translate3d(0,0,0);transform:translate3d(0,0,0);display: inline-block;}
.common_btn>span.sep{width: 5px;height: 5px;display: inline-block;}
.common_btn:hover>span:nth-child(1){-webkit-transition-delay:45ms;transition-delay:45ms}
.common_btn:hover>span:nth-child(2){-webkit-transition-delay:.09s;transition-delay:.09s}
.common_btn:hover>span:nth-child(3){-webkit-transition-delay:.135s;transition-delay:.135s}
.common_btn:hover>span:nth-child(4){-webkit-transition-delay:.18s;transition-delay:.18s}
.common_btn:hover>span:nth-child(5){-webkit-transition-delay:.225s;transition-delay:.225s}
.common_btn:hover>span:nth-child(6){-webkit-transition-delay:.27s;transition-delay:.27s}
.common_btn:hover>span:nth-child(7){-webkit-transition-delay:.315s;transition-delay:.315s}
.common_btn:hover>span:nth-child(8){-webkit-transition-delay:.36s;transition-delay:.36s}
.common_btn:hover>span:nth-child(9){-webkit-transition-delay:.405s;transition-delay:.405s}
.common_btn:hover>span:nth-child(10){-webkit-transition-delay:.45s;transition-delay:.45s}
.common_btn:hover>span:nth-child(11){-webkit-transition-delay:.495s;transition-delay:.495s}
.common_btn:hover>span:nth-child(12){-webkit-transition-delay:.54s;transition-delay:.54s}
.common_btn:hover>span:nth-child(13){-webkit-transition-delay:.585s;transition-delay:.585s}
.common_btn:hover>span:nth-child(14){-webkit-transition-delay:.63s;transition-delay:.63s}
.common_btn:hover>span:nth-child(15){-webkit-transition-delay:.675s;transition-delay:.675s}
.common_btn:hover>span:nth-child(16){-webkit-transition-delay:.72s;transition-delay:.72s}
.common_btn:hover>span:nth-child(17){-webkit-transition-delay:.765s;transition-delay:.765s}
.common_btn:hover>span:nth-child(18){-webkit-transition-delay:.81s;transition-delay:.81s}
.common_btn:hover>span:nth-child(19){-webkit-transition-delay:.855s;transition-delay:.855s}
.common_btn:hover>span:nth-child(20){-webkit-transition-delay:.9s;transition-delay:.9s}
.common_btn.static_btn:hover{background:none;}
.common_btn.static_btn>span{color:#d20319;}
.common_btn.static_btn::before{left:0;}

.common-btn{border-radius:999px;width:310px;text-align: center;max-width: 60%;margin-left:auto;margin-right: auto;display: block;line-height: 58px;border:3px solid #313131;}
.common-btn:hover{border-color:#0084e9;background: #0084e9;color:#fff;}

@media (min-width: 767px){
 .container{width:90%;max-width: 1500px;}
}
@media (min-width: 1300px){
 .container{width:85%;}
}
@media (min-width: 1600px){
 .container{width: 1500px;}
}


body{padding-top:90px;}
.view-btn{width:168px;line-height: 50px;background: #1c489d;text-align: center;color:#fff;display: block;padding-left: 5px;letter-spacing: 1px;}
.view-btn:hover{color:#fff;}
.view-btn .ciconfont{margin-left: 12px;display: inline-block;}

/* 导航部分 */
.header{position: fixed;top:0; left:0; right:0; z-index: 99;transition: top .5s ease;-webkit-transition:top .5s ease; -moz-transition:all .8s ease 0s; -ms-transition:all .8s ease 0s; -o-transition:all .8s ease 0s; -webkit-transition:all .8s ease 0s; transition:all .8s ease 0s;color:#999999;background: #fff;}
/*.header.fixed{top:0;box-shadow: 0 6px 10px 0 rgba(7,0,2,.15); background:#fff;}*/
.header_box{position: relative;}
.header .header_logo{position: absolute;left:0;top:0;bottom:0;}
.header .header_logo img{max-height: 60px;}
.header_logo .co-name{margin-left:35px;}
.header_logo .co-name h2{line-height: 1;color:#75171c;letter-spacing: 1px;}
.header_logo .co-name p{line-height: 1;color:#999;font-family: arial;margin-top:8px;text-transform: uppercase;font-size:14px;letter-spacing: -1px;}
.header .header_nav{text-align: right;font-size:16px;}
.header .header_nav .nav_container>ul>li{display: inline-block;text-align: center;margin-left:5%;}
.header .header_nav li{position: relative;}
.header .header_nav .nav_container>ul>li>a{display: block;padding:0;position: relative;line-height: 90px;}
.header .header_nav .nav_container>ul>li>a::after{position: absolute;content:'';width:20px;height: 20px;background: url(../images/icon-nav.png) no-repeat center;background-size: 100% auto;bottom:11.11%;left:50%;margin-left: -10px;display: none;}
.header .header_nav .nav_container>ul>li>a.active,.header .header_nav .nav_container>ul>li>a:hover{color:#1c489d;}
.header .header_nav .nav_container>ul>li>a.active:after,.header .header_nav .nav_container>ul>li>a:hover:after{display: block;}
.header .header_nav .nav_container .dropdown-menu{margin:0;padding:0;border:none;left:50%;transform: translateX(-50%);text-align: center;border-radius:0;background: #fff;font-size:15px;}
.header .header_nav .nav_container .dropdown-menu li a{display: block;white-space: nowrap;padding:12px 10px;color:#999;position: relative;transition: all .3s;}
.header .header_nav .nav_container .dropdown-menu li a:hover, .dropdown-menu li a:focus,.dropdown-menu li a.active{color:#1c489d;}

.header .header_tools{position: absolute;right:0;top:50%;margin-top:-30px;width: 100%;}
.header .header_tools>ul{}
.header .header_tools li{float: right;text-align: center; cursor: pointer;line-height: 60px;position: relative;margin-left:3%;cursor: pointer;}
.header .header_tools li:last-child{margin-left:0;}
.header .header_tools li .icon-lang{float:right;margin-left:12px;}
.header .header_tools .nav-lang{text-transform: uppercase;}
.header .header_tools .nav-lang .lang{display: block;padding:0 24px 0 38px;position: relative;background: url(../images/icon-earth.png) no-repeat left center;}
.header .header_tools .nav-lang .lang i{position: absolute;right:0;top:0;width:12px;height: 100%;background: url(../images/icon-down.png) no-repeat center;}
.header .header_tools .quick_box{position: absolute;top: 100%;left:0;width:500px; background-color:#fff; background-repeat: no-repeat;background-position: right top;text-align: left;font-size: 16px;padding: 25px 0 35px;display: none;}
.header .header_tools .quick_box a{padding-left:20px;display: block;height: 50px;line-height: 50px;opacity: 0;filter: alpha(opacity=0);transform: translateX(30px);transition: all .6s ease-in-out;-webkit-transition:all .6s ease-in-out; color:#313131;}
.header .header_tools .quick_box a .lin{padding-right: 30px;color:#313131;vertical-align: 2px;}
.header .header_tools .quick_box.show a{opacity: 1;filter: alpha(opacity=100);transform: translateX(0);transition-delay: .3s;}
.header .header_tools .quick_box.show a:nth-child(1){transition-delay: .3s;}
.header .header_tools .quick_box.show a:nth-child(2){transition-delay: .5s;}
.header .header_tools .quick_box.show a:nth-child(3){transition-delay: .7s;}
.header .header_tools .quick_box.show a:nth-child(4){transition-delay: .9s;}
.header .header_tools .quick_box.show a:nth-child(5){transition-delay: 1.1s;}
.header .header_tools .quick_box.show a:nth-child(6){transition-delay: 1.3s;}
.header .header_tools .quick_box.show a:nth-child(7){transition-delay: 1.5s;}
.header .header_tools .quick_box.show a:nth-child(8){transition-delay: 1.7s;}
.header .header_tools .quick_box.show a:nth-child(9){transition-delay: 1.9s;}
.header .header_tools .quick_box.show a:nth-child(10){transition-delay: 2.1s;}
.header .header_tools .quick_box.show a:nth-child(11){transition-delay: 2.3s;}

.mobile_key {display: none;width:28px;height:25px;position: relative;border:none!important;cursor: pointer;padding:0;}
/*.button_menu{width: 30px;height: 25px;position: absolute;top:7px;left:0;}*/
.button_menu span {display:block;width:100%;height:3px;background-color:#333;position:absolute;left:0;-moz-transition:all .36s ease;-o-transition:all .36s ease;-webkit-transition:all .36s ease;transition:all .36s ease;}
.button_menu span:nth-child(1) {top:0}
.button_menu span:nth-child(2) {top:50%;transform: translateY(-50%);}
.button_menu span:nth-child(3) {bottom:0}
.header.fixed .button_menu span{background: #333;}
/*.button_close .button_menu span:nth-child(1) {
 -moz-transform: rotate(45deg);
 -ms-transform: rotate(45deg);
 -webkit-transform: rotate(45deg);
 transform: rotate(45deg)
}
.button_close .button_menu span:nth-child(2) {
 -moz-transform: rotate(-45deg) translate(6px,-7px);
 -ms-transform: rotate(-45deg) translate(6px,-7px);
 -webkit-transform: rotate(-45deg) translate(6px,-7px);
 transform: rotate(-45deg) translate(6px,-7px)
}*/
/*.header.fixed .header_tools .button_menu span,.header:hover .header_tools .button_menu span,.index_header.allIn .header_tools .button_menu span{background: #000;}*/


.index_header{top:-80px; -moz-transition:all 1s ease 0s; -ms-transition:all 1s ease 0s; -o-transition:all 1s ease 0s; -webkit-transition:all 1s ease 0s; transition:all 1s ease 0s;}
.index_header.ani{top:0;}
.header-container{position: relative;z-index:10;}

.ibanner{position: relative;}
.ibanner .item-mask{position: absolute;top:0;bottom:0;left:0;right:0;color:#fff;}
.ibanner .item-mask .item-box{padding-left: 8%;}
.ibanner .title{line-height: 1.14;}
.ibanner .en{line-height: 1.5;text-transform: uppercase;font-family: "hos";margin-top:36px;}
.ibanner .view-btn{margin-top:80px;}
.ibanner .item-mask .title,.ibanner .en,.ibanner .view-btn{transform: translateY(180%);opacity: 0;filter: alpha(opacity=0);transition: all .8s;transition-delay: .2s;}
.ibanner .swiper-slide-active .title,.ibanner .swiper-slide-active .en,.ibanner .swiper-slide-active .view-btn{transform: translateY(0);opacity: 1;filter: alpha(opacity=100);}
.ibanner .swiper-btn{width:43px;height: 43px;border:3px solid #fff;opacity: 0.3;color:#fff;transition: all .3s;top:42%;margin-top:0;}
.ibanner .swiper-btn:after{font-size:24px;font-weight: bold;transform: scaleY(0.7);}
.ibanner .swiper-button-prev{/*left:10.9%;*/left:calc((100vw - 1500px)/2);}
.ibanner .swiper-button-next{/*right:10.9%;*/right:calc((100vw - 1500px)/2);}
.ibanner .swiper-btn:hover{border-color:#1c489d;background: rgba(255,255,255,.6);color:#1c489d;opacity: 1;}

.ibanner .swiper-container-horizontal>.swiper-pagination-bullets{bottom:3.95%;font-size:0;}
.ibanner .swiper-pagination-bullet{width: 20px;height:20px;background:none;border:2px solid #999999;opacity:1;border-radius:0;transition: all .2s;position: relative;}
.ibanner .swiper-pagination-bullet:after{content:'';position: absolute;width: 8px;height: 8px;transition: all .3s;top:50%;left:50%;transform: translate(-50%,-50%);}
.ibanner .swiper-pagination-bullet-active{border-color:rgba(153,153,153,.4);}
.ibanner .swiper-pagination-bullet-active:after{background: #fff;}
.ibanner .swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet{margin:0 8px;}
.ibanner .swiper-page{right:17.3%;position: absolute;bottom:23.4%;color:#999;z-index:10;font-family: arial;line-height: 1;}
.ibanner .swiper-page .cur{color:#fff;}

/* 搜索框 */
.search_hover .header_logo .logo-pc{display:block!important;}
.search_hover .header_logo .logo-m{display:none!important;}

.header_search_fix{position: fixed;z-index: 99;top: 0;left: 0;width: 100%;height: 100%;background: #c2000f;color: #fff;display: none;}
.header_search_fix .search{font-size: 18px;margin-bottom: 10px;}
.header_search_fix .box{position: absolute;width: 40%;top: 50%;margin-top: -50px;text-align: left;left: 30%;}
.header_search_fix .input{background:none; width:85%; line-height:40px; height:40px; padding-right:60px;border: 0;outline: 0;font-size:38px;color: #fff;font-family: 'Impact'}
.header_search_fix .input::-webkit-input-placeholder {color: #fff;}
.header_search_fix .input:-moz-placeholder {color: #fff;}
.header_search_fix .input:-ms-input-placeholder {color: #fff;}
.header_search_fix .search_box{line-height: 70px;height: 70px;position: relative;}
.header_search_fix .submit{width: 125px;height: 45px;line-height: 41px;font-size: 14px;color: #fff;border: 2px solid #fff;border-radius: 20px;background: transparent;padding: 0;margin: 0;position: absolute;top: 50%;margin-top: -23px;right: 0;-webkit-appearance: none;}
.header_search_fix .close-btn{position: absolute;width: 88px;height: 88px;font-size: 28px;line-height: 92px;border: 1px solid #fff;right: 60px;top: 20px;text-align: center;cursor: pointer;transition: all .5s ease;-webkit-transition:all .5s ease;background: #c2000f;}
.header_search_fix .close-btn:hover{background: #c2000f;}
.header_search_fix .submit:before{width: 100%;margin-top: 0;}
.header_search_fix .submit:hover{background: #c2000f;}
.header_search_fix .submit:before{width: 100%;left: 0;text-align: center;}
@media only screen and (max-width: 1660px){
.header_search_fix .box{width: 60%;left:20%;}
}

.xuanzhun{-webkit-transition-property: -webkit-transform;animation: rotate 5s linear infinite;}
@keyframes rotate{
 from{transform: rotate(0deg)}
 to{transform: rotate(359deg)}
}


@media (max-width:992px){
 .header_box{overflow: hidden;padding:12px 0;}
 .mobile_key{display: block;float:right;}
 .header .header_nav{text-align: left;font-size:14px;}
 .no-padding{padding-left:15px;padding-right: 15px;}
}

.video-fixed {position:fixed;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:130;top:0;left:0;cursor:pointer;display:none;}
.video-fixed .videoboxs {width:100%;height:100%;position:absolute;left:0;top:0;right:0;margin:auto;margin-top:0;background:#000;/* padding:30px;*/ box-sizing:border-box;}
.video-fixed .videoboxs .box {height: 100%;}
.video-fixed .cha {width:40px;height:40px;background:url(../images/close-vid2.png) no-repeat center/100% auto;position:absolute;top:40px;right:40px;cursor:pointer;}

@media (max-width:767px){
 .video-fixed .cha {width: 25px;height: 25px;}
}

.part{padding-top:120px;overflow: hidden;}
.part1{padding-bottom: 44px;}
.part1 .left{float:left;width: 50%;}
.part1 .right{padding-bottom: 76px;width: 45.333%;max-width: 680px;float:right;}
.part1 .right .title{line-height:1.333;}
.part1 .right .desc{line-height:1.5;color:#999;margin-top:30px;}
.part1 .right .view-btn{margin-top:80px;}
.part1 .right .num-box{margin-top: 40px;}
.part1 .right .num{align-items: flex-start;line-height: 1;margin-bottom: 10px;}
.part1 .right .year{color:#87ceeb;font-family: "news";line-height: 0.9;display: block;}
.part1 .right .unit{position: absolute;left:100%;top:2px;margin-left:3px;}
.part1 .right .line{width: 2px;background: #e6e6e6;height: 68px;}

.part2{background: url(../images/part2-bg.png) no-repeat top center;background-size: cover;}
.part2 .top-swiper{position: relative;padding-right:120px;border-bottom:1px solid #d8d8d8;margin-bottom: 35px;}
.part2 .top-swiper .swiper-btn-box{position: absolute;right:0;top:0;width: 75px;}
.part2 .top-swiper .swiper-btn{position: relative;top:0;left:0;right:0;margin:0;float:left;width: 28px;height: 28px;border:2px solid #cacaca;color:#cacaca;transition: all .3s;}
.part2 .top-swiper .swiper-btn:after{font-size:16px;transform: scaleY(0.7);}
.part2 .top-swiper .swiper-button-next{float:right;}
.part2 .top-swiper .swiper-btn:hover{border-color:#1c489d;background:#1c489d;color:#fff;}
.part2 .top-swiper .ptab-item{position: relative;display: block;line-height: 1;padding-bottom: 23px;color:#333;opacity: 0.5;transition: all .3s;}
.part2 .top-swiper .ptab-item:after{width: 52%;max-width: 150px;height: 4px;left:50%;transform: translateX(-50%);bottom:0;content:'';background:#1c489d;opacity: 0;transition: all .3s;position:absolute;}
.part2 .top-swiper .swiper-slide-thumb-active .ptab-item{color:#1c489d;opacity: 1;}
.part2 .top-swiper .swiper-slide-thumb-active .ptab-item:after{opacity: 1;}
.part2 .top-swiper .swiper-slide{width:auto;}
.part2 .pcon .left{width: 46.67%;float:left;padding:0 0 120px;}
.part2 .pcon .desc{color:#999;line-height: 24px;}
.part2 .pcon .view-btn{margin-left:5px;}
.part2 .index-prolist{margin-top:80px;}
.part2 .index-prolist a{float:left;width: 30%;margin-right: 5%;margin-bottom: 24px;line-height: 48px;border:1px solid #d8d8d8;text-align: center;color:#999;text-overflow: ellipsis;overflow: hidden;white-space: nowrap;padding:0 10px;transition: all .3s;}
.part2 .index-prolist a:nth-child(3n+3){margin-right:0;}
.part2 .index-prolist a:hover,.part2 .index-prolist a.active{background:#87ceeb;border-color:#87ceeb;color:#fff;}
.part2 .index-prolist .item-more:hover{background:#fff;border-color:#1c489d;color:#1c489d;}
.part2 .index-pro-item{margin-top:38px;background-color: #fff;padding:0 20px 20px;display: none;}
.part2 .index-pro-item:first-child{display: block;}
.part2 .index-pro-item .tit{line-height: 1;padding:26px 0;border-bottom:1px solid #d8d8d8;background:#fff;margin-bottom: 20px;}
.part2 .index-pro-item .d{color:#999;line-height: 24px;}
.part2 .right{position: relative;width: 50%;padding-top:30px;}
.part2 .right .bg{position: absolute;left:0;top:40%;transform: translateY(-50%);width: 100%;height: 197px;background-color: #1C489D;}
.part2 .right .item-img{display: none;position: relative;z-index:10;}
.part2 .right .item-img:first-child{display: block;}
.part2 .right .swiper-pagination{text-align: right;bottom:120px;margin-bottom: 20px;padding-right: 20px;}
.part2 .right .swiper-pagination-bullet{width: 20px;height: 20px;border:2px solid #fff;background: none;position: relative;border-radius:0;margin:0 0 0 16px;opacity: 1;}
.part2 .right .swiper-pagination-bullet:after{position: absolute;left:50%;top:50%;content: '';width: 8px;height: 8px;background-color: #87ceeb;transform: translate(-50%,-50%);}
.part2 .right .swiper-pagination-bullet-active{border-color:rgba(28,72,157,.4);}
.part2 .right .swiper-pagination-bullet-active:after{background: #1c489d;}

.part3{background: url(../images/part3-bg.png) no-repeat center;background-size: cover;color:#fff;text-align: center;padding-bottom: 120px;}
.part3 .title h2{line-height: 1;}
.part3 .title p{line-height: 1.2;margin-top:22px;}
.part3-swiper{margin-top: 40px;}
.part3-swiper .adv-item{width:22.67%;max-width:340px;margin-right:3.1%;/*height: 450px;*/transition: all .3s;position: relative;}
.part3-swiper .adv-item .item{padding-bottom: 131.58%;}
.part3-swiper .adv-item:nth-child(4n+4){margin-right: 0;}
.part3-swiper .adv-item .item-icon{width: 110px;border-radius: 999px;max-width:33%;overflow: hidden;background:#fff;transition: all .2s;margin:0 auto 60px;}
/*.part3-swiper .adv-item:hover .item-icon .black,.part3-swiper .adv-item .item-icon .white{display: none;}
.part3-swiper .adv-item:hover .item-icon .white{display: block;}*/
.part3-swiper .adv-item .item-tit{line-height: 1;letter-spacing: 1px;}
.part3-swiper .adv-item .item-en{line-height: 1;}
.part3-swiper .adv-item .item-line{width: 28px;height: 4px;background-color: #87ceeb;margin:30px auto 18px;}
/*.part3-swiper .adv-item:hover{background:#1c489d;border-color:#1c489d;}
.part3-swiper .adv-item:hover .item-icon{background-color: #1c489d;}
.part3-swiper .adv-item:hover .item-line{background: #fff;}*/
.part3-swiper .adv-item .item-inner{width: 100%;height:100%;border:1px solid rgba(255,255,255,.12);transition: all .8s;position: absolute;left:0;top:0;}
.part3-swiper .adv-item .item-box{position: absolute;left:0;top:0;width: 100%;height: 100%;transform: rotateY(180deg);opacity: 0;background:#1c489d;transition: all .8s;}
.part3-swiper .adv-item .item-box .item-icon{background:#1c489d; }
.part3-swiper .adv-item .item-box .item-line{background:#fff; }
.part3-swiper .adv-item:hover .item-box{transform: rotateY(0);opacity: 1;}
.part3-swiper .adv-item:hover .item-inner{transform: rotateY(-180deg);opacity: 0;}

.part4{background: url(../images/part4-bg.png) no-repeat center;background-size: cover;padding:80px 0 120px;overflow: hidden;}
.part4 .title-box{align-items: flex-end;}
.part4 .title-box a{float:left;}
.part4 .title-box .tab-item{margin-right: 40px;line-height: 1;padding-bottom: 16px;border-bottom: 4px solid transparent;color:#999999;}
.part4 .title-box .tab-item.active,.part4 .title-box .tab-item:hover{border-bottom-color: #1c489d;color:#1c489d;}
.part4 .title-box .more{width: 28px;height: 28px;line-height: 28px;color:#fff;text-align: center;background:#1c489d;}
.part4 .box{margin-top:60px;}
.part4 .left{float:left;width: 50%;}
.part4 .right{float:right;width: 45.333%;max-width: 680px;}
.part4 .news-item{display: block;position: relative;}
.part4 .news-item .item-tit{font-weight: bold;position: relative;}
.part4 .news-item .item-date{position: absolute;right:0;font-family: Arial;bottom:0;}
.part4 .left .item-img{width: 100%;position: relative;height: 482px;overflow: hidden;}
.part4 .item-img img{transition: all .5s;}
.part4 .item-img img:hover{transform: scale(1.03);}
.part4 .right .item-img img:hover{transform: scale(1.05);}
.part4 .left .item-date{color:#fff;background:#1c489d;line-height: 50px;height: 50px;width: 134px;text-align: center;z-index: 10;}
.part4 .left .item-con{background:#ffffff;padding:40px 6.67% 35px;}
.part4 .left .item-title{line-height: 1;}
.part4 .left .item-desc{margin-top:25px;line-height: 24px;height: 48px;color:#999;}
.part4 .right .item-img{position: relative;padding-bottom: 85%;overflow: hidden;}
.part4 .right .item-img .full_img{position: absolute;left:0;top:0;}
.part4 .right .item-tit{line-height: 64px;height: 64px;}
.part4 .right-top .news-item{float:left;width: 46.8%;max-width: 318px;}
.part4 .right-top .news-item:nth-child(2n+2){float:right;}
.part4 .right-top .item-tit{text-align: center;}
.part4 .right ul{padding-top:60px;height: 320px;}
.part4 .right ul li{border-top:1px solid rgba(153,153,153,.2);}
.part4 .right .item-date{color:#999;font-weight: normal;}
.part4 .news-item:hover .item-tit{color:#1C489D;}

.footer{background: url(../images/footer-bg.png) no-repeat center;background-size: cover;color:#fff;}
.footer-top{padding:36px 0 31px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer .co-name{font-family: "tc";line-height: 1;}
.footer-nav{text-align: right;font-size:0;}
.footer-nav a{display: inline-block;margin-left: 65px;font-size:14px;min-width: 56px;text-align: center;}
.copyright{vertical-align: middle;color:#999;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);letter-spacing: 1px;}
.copyright img{display: inline-block;width: 30px;margin-left: 24px;}
.footer-con{padding:48px 0 35px;color:#999;flex-direction: row-reverse;}
.footer-submenu li{margin-left:65px;min-width: 56px;text-align: center;}
.footer-submenu a{display: block;line-height: 1;margin-bottom: 14px;}
.footer .code-box{margin-right: 24px;color:#fff;line-height: 1;text-align: center;}
.footer .code{padding:2px;border:1px dashed rgba(153,153,153,.31);width: 96px;margin-bottom: 10px;}
.footer-info .info p{margin-bottom: 7px;}
.footer-logo p{color:#1f4387;margin-top:18px;text-align: center;}

@media (max-width: 1600px){
 .fs48{font-size: 44px;}
 .fs42{font-size: 38px;}
 .fs36{font-size: 32px;}
 .fs30{font-size: 26px;}
 .fs24{font-size: 22px;}
 .fs20{font-size: 18px;}
 .fs18{font-size: 17px;}
 .fs16{font-size: 16px;}
 .view-btn{width: 160px;line-height:48px;}
 .ibanner .swiper-button-prev{left: 7.5%;}
 .ibanner .swiper-button-next{right: 7.5%;}
 /*.ibanner .en{margin-top:30px;}*/
 .ibanner .view-btn{margin-top:60px;}
 .part{padding-top:110px;}
 .part1 .right .view-btn{margin-top: 65px;}
 .header_logo .co-name{margin-left: 30px;}
 .part2 .right{padding-top:20px;}
 .part3-swiper .adv-item .item-icon{margin-bottom: 50px;}
 .part3-swiper .adv-item .item-line{margin:25px auto 13px;}
 .part4{padding:70px 0 110px;}
 .part4 .title-box .tab-item{margin-right: 40px;padding-bottom: 14px;border-bottom-width: 3px;font-size:20px;}
 .part4 .box{margin-top:45px;}
 /*.part4 .left .item-img{height: 400px;}*/
 .part4 .right ul{padding-top:40px;height: 300px;}
 .part4 .left .item-desc{margin-top:20px;}
 .part4 .left .item-con{padding-top:35px;padding-bottom: 30px;}
 .part4 .left .item-img{height: 445px;}
}
@media (max-width: 1300px){
 .fs48{font-size: 40px;}
 .fs42{font-size: 34px;}
 .fs36{font-size: 26px;}
 .fs30{font-size: 24px;}
 .fs24{font-size: 20px;}
 .fs20{font-size: 17px;}
 .fs18{font-size: 16px;}
 .fs16{font-size: 15px;}
 .header_logo .co-name p{font-size:12px;}
 .header .header_nav{font-size:15px;}
 .header .header_nav .nav_container>ul>li{margin-left: 4%;}
 .header .header_nav .nav_container>ul>li>a::after{width: 18px;height: 18px;}
 .header_logo .co-name{margin-left: 20px;}
 .ibanner .title{line-height: 1.2;}
 .ibanner .swiper-button-next{right: 5%;}
 .ibanner .swiper-button-prev{left: 5%;}
 .ibanner .en{margin-top: 30px;}
 .ibanner .view-btn{margin-top: 45px;}
 .view-btn{width: 150px;line-height: 44px;}
 .ibanner .swiper-page{bottom:20%;}
 .ibanner .swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet{margin:0 6px;}
 .part{padding-top:90px;}
 .part1 .right .desc{margin-top: 25px;}
 .part1 .right .view-btn{margin-top:40px;}
 .part1 .right{padding-bottom: 40px;}
 .part1 .right .num-box{font-size:14px;}
 .part1 .right .line{height: 60px;}
 .part2 .index-prolist{margin-top: 60px;}
 .part2 .index-prolist a{line-height: 42px;width: 32%;margin-right: 2%;margin-bottom: 15px;}
 .part2 .index-pro-item .tit{padding:20px 0;margin-bottom: 15px;}
 .part2 .pcon .left{padding-bottom: 90px;}
 .part3{padding-bottom: 100px;}
 .part3 .title p{margin-top: 20px;}
 .part3-swiper .adv-item .item-icon{margin-bottom: 40px;}
 .part4{padding:60px 0 90px;}
 .part4 .right .item-tit{line-height: 52px;height: 52px;}
 .part4 .right ul{height: 252px;}
 .part4 .left .item-con{padding-top:30px;padding-bottom: 25px;}
 .part4 .title-box .tab-item{font-size:18px;}
 .footer-top{padding:28px 0;}
 .footer-nav a,.footer-submenu li{margin-left:40px;}
 .footer-con{padding:40px 0 30px;}
 .footer-logo p{margin-top:14px;}
 .footer .code-box{margin-right: 16px;}
 .copyright{padding:12px 0;font-weight: normal;letter-spacing: 1px;font-size:13px;}
}
@media (max-width: 1200px){
 .fs48{font-size: 34px;}
 .fs42{font-size: 30px;}
 .fs36{font-size: 24px;}
 .fs30{font-size: 22px;}
 .fs24{font-size: 18px;}
 .fs16{font-size: 14px;}
 .view-btn{width: 140px;line-height: 42px;font-size:15px;}
 .view-btn .ciconfont{margin-left: 8px;}
 .header_logo .co-name h2{font-size:20px;}
 .part1 .right .view-btn{margin-top: 30px;}
 .part1 .right .line{height: 52px;}
 .part{padding-top:80px;}
 .part2 .top-swiper .ptab-item{padding-bottom: 18px;}
 .part2 .top-swiper .ptab-item:after{height: 3px;}
 .part2 .top-swiper{margin-bottom: 30px;}
 .part3-swiper .adv-item .item-icon{margin-bottom: 35px;}
 .part3-swiper .adv-item .item-line{margin-top: 20px;height: 3px;}
 .part3{padding-bottom: 80px;}
 .part4 .title-box .tab-item{padding-bottom: 12px;}
 .part4 .right ul{padding-top:20px;height: 232px;}
 .part4{padding-bottom: 80px;}
 .footer-info{max-width: 350px;}
}
@media (max-width: 992px){
 .fs48{font-size: 28px;}
 .fs42{font-size: 24px;}
 .fs36{font-size: 22px;}
 .fs30{font-size: 20px;}
 .fs24{font-size: 17px;}
 .fs20{font-size: 16px;}
 .fs18{font-size: 15px;}
 .fs16{font-size: 14px;}
 body{padding-top:65px;}
 .header .header_logo img{max-height: 45px;}
 .header_box{padding:20px 0;}
 .ibanner .en{margin-top: 20px;}
 .ibanner .view-btn{margin-top: 30px;}
 .part{padding-top:60px;}
 .part1,.part2 .pcon .left,.part3,.part4{padding-bottom: 60px;}
 .part1 .left,.part1 .right{width: 100%;}
 .part1 .right{margin-top:20px;padding-bottom: 0;}
 .part2 .index-prolist a{line-height: 38px;}
 .part2 .index-prolist{margin-top: 40px;}
 .part2 .index-pro-item{margin-top: 30px;}
 .part2 .index-pro-item .tit{padding:15px 0;}
 .view-btn{width: 120px;line-height: 40px;}
 .view-btn .ciconfont{margin-left: 5px;}
 .part3-swiper .adv-item .item-icon{margin-bottom: 25px;}
 .part3-swiper .adv-item .item-line{margin-top: 15px;}
 .part3-swiper .adv-item .item-tit{font-size:16px;}
 .part3-swiper .adv-item .item-en{font-size:12px;}
 /*.part3-swiper .adv-item{width: 45%;margin-right: 10%;}
 .part3-swiper .adv-item:nth-child(2n+2){margin-right:0;}*/
 .part4{padding-top:50px;}
 .part4 .box{margin-top: 35px;}
 .part4 .right .item-tit{line-height: 40px;height: 40px;}
 .part4 .right ul{height: 184px;}
 .part4 .left .item-con{padding-top:22px;padding-bottom: 20px;}
 .part4 .left .item-desc{margin-top: 16px;}
 .part4 .title-box .tab-item{font-size:16px;margin-right: 25px;}
 .footer-con{flex-wrap: wrap;padding:30px 0 20px;}
 .footer-submenu{display: none;}
 .footer-nav a, .footer-submenu li{margin-left: 20px;}
 .footer-top{padding:24px 0;}
 .footer-logo img{max-height: 80px;}
 .copyright{letter-spacing: 0;font-size:12px;padding:10px 0;}
 .copyright img{max-width: 24px;margin-left: 15px;}
}
@media (max-width: 700px){
 .fs48{font-size: 26px;}
 .fs42{font-size: 22px;}
 .fs36{font-size: 20px;}
 .fs30{font-size: 18px;}
 .header_logo .co-name{margin-left: 15px;}
 .header_logo .co-name h2{font-size:18px;}
 .view-btn{font-size:14px;width: 120px;line-height: 36px;}
 .ibanner img{min-height: 300px;width: 100%;object-fit: cover;object-position: center;}
 .ibanner .swiper-button-next{right:0}
 .ibanner .swiper-button-prev{left:0}
 .ibanner .swiper-btn{width: 36px;height: 36px;border-width: 2px;}
 .ibanner .item-mask .item-box{padding:0 30px;}
 .ibanner .title{font-size:18px;}
 .ibanner .en{margin-top:15px;font-size: 12px;}
 .ibanner .view-btn{margin-top: 25px;}
 .ibanner .swiper-page{right: 15px;bottom:15%;}
 .part{padding-top:45px;}
 .part1, .part2 .pcon .left, .part3, .part4{padding-bottom: 45px;}
 .part1 .right .title{font-size: 18px;}
 .part1 .right .desc{margin-top: 20px;}
 .part1 .right .num-box{font-size:12px;}
 .part2 .top-swiper .ptab-item{margin-right: 10px;}
 .part2 .pcon .left{width: 100%;padding-bottom: 50px;}
 .part2 .right{width: 100%;padding:0;}
 .part2 .right img{max-height: 400px;}
 .part2 .right .swiper-pagination{bottom:60px;padding:0;margin: 0;}
 .part2 .right .swiper-pagination-bullet{margin-left: 10px;}
 .part2 .index-prolist{margin-top:30px;}
 .part2 .index-prolist a{font-size:12px;line-height: 32px;padding:0 6px;margin-bottom: 10px;}
 .part2 .index-pro-item .d{line-height: 20px;}
 .part3-swiper .adv-item{width: 48%;margin-right:4%;margin-top:20px;}
 .part3-swiper .adv-item:nth-child(2n+2){margin-right: 0;}
 .part3-swiper{margin-top: 20px;}
 .part3-swiper .adv-item .item-box,.part3-swiper .adv-item .item-inner{align-items: flex-start;padding-top:40px;}
 .part4{padding-top:30px;}
 .part4 .title-box{flex-wrap: wrap;}
 .part4 .title-box .title{width: 100%;}
 .part4 .title-box .topr{width: 100%;margin-top:10px;justify-content: flex-end;}
 .part4 .title-box .tab-item{padding-bottom: 10px;margin-right: 20px;}
 .part4 .box{margin-top:25px;}
 .part4 .left,.part4 .right{float:none;width: 100%;}
 .part4 .left .item-img{padding-bottom: 64%;height: auto;}
 .part4 .left .item-img img{position: absolute;left:0;top:0;}
 .part4 .right ul{height: auto;}
 .part4 .right{margin-top: 20px;}
 .footer-top{display: block;}
 .footer-nav{width: 100%;text-align: left;margin-top:5px;}
 .footer-nav a{margin:10px 10px 0 0;}
 .footer-con{padding:20px 0 18px;display: block;}
 .footer-logo img{max-height: 70px;}
 .footer-logo p{margin-top: 10px;}
 .footer-info{margin-top:20px;max-width: 100%;}
 .copyright img{max-width: 18px;}
}