.b-1{margin-top:-78px;z-index:100;position:relative;}
.b-1 li{width:400px;height:124px;float:left;display:inline;background:#f4f4f4;box-shadow:0 0 8px #ccc;}
.b-1 li a{display:block;height:94px;padding:30px 0 0 120px;}
.b-1 li a p{font-size:18px;padding-bottom:10px;}
.b-1 li a span{display:block;width:84px;height:25px;line-height:25px;text-align:center;border:1px solid #ccc;border-radius:3px;}

.b-1 li:nth-child(1) a{background:url(../image/i1.png) left 52px center no-repeat;}
.b-1 li:nth-child(1) .current{background:#335782 url(../image/i11.png) left 52px center no-repeat;}
.b-1 li:nth-child(2) a{background:url(../image/i2.png) left 52px center no-repeat;}
.b-1 li:nth-child(2) .current{background:#335782 url(../image/i22.png) left 52px center no-repeat;}
.b-1 li:nth-child(3) a{background:url(../image/i3.png) left 52px center no-repeat;}
.b-1 li:nth-child(3) .current{background:#335782 url(../image/i33.png) left 52px center no-repeat;}
.b-1 li:nth-child(4) a{background:url(http://www.ankechem.com/images/i4.png) left 52px center no-repeat;}
.b-1 li:nth-child(4) a:hover{background:#335782 url(http://www.ankechem.com/images/i44.png) left 52px center no-repeat;}

.b-1 .current p{color:#fff;}
.b-1 .current span{background:#bf2525;border:1px solid #bf2525;color:#fff;}

.b-2{margin-top:84px;}
.b-2 .wrap{position:relative;}
.b-2 .wrap .prev,.b-2 .wrap .next{display:block;width:33px;height:57px;cursor:pointer;position:absolute;top:130px;}
.b-2 .wrap .prev{background:url(../image/prev.png);left:-50px;}
.b-2 .wrap .next{background:url(../image/next.png);right:-50px;}

.b-2 ul{padding-left:1px !important;}
.b-2 li{float:left;display:inline;width:284px;border:1px solid #ddd;border-bottom:3px solid #4c6c93;margin-right:18px;}
.b-2 li .t{padding:0 10px 15px;}
.b-2 li .t h2{font-size:16px;font-weight:normal;padding:10px 0;}
.b-2 li .t h2 a{color:#000;}
.b-2 li .i{font-size:13px;min-height:38px;}
.b-2 li:hover{border:1px solid #4c6c93;}
.b-2 li:hover .t{background:#4c6c93;}
.b-2 li:hover h2 a{color:#fff;}
.b-2 li:hover .i{color:#fff;}
.b-2 ul{display: none;}
.b-2 .bk{display: block;}


.b-3{background: url(../image/b-3_pic01.png) no-repeat top center;margin-top: 86px;padding-top: 60px;text-align: center;color: #fff;}
.b-3 .t{font-size: 30px;font-weight: 600;margin-bottom: 22px;}
.b-3 .c{max-width: 950px;margin: 0 auto;font-size: 14px;line-height: 28px;margin-bottom: 80px;}

.b-3 ul{padding: 0 40px 85px;}
.b-3 ul li{width: 220px;float: left;margin-right: 80px;}
.b-3 ul li:last-child{margin-right: 0;}
.b-3 ul li p{font-size: 14px;line-height: 28px;}
.b-3 ul li p span{font-size: 57px;font-weight: 600;}

.b-4{margin-top: 48px;}
.b-4 .tit{height: 48px;font-size: 22px;position: relative;margin-bottom: 27px;}
.b-4 .tit .line{height: 1px;width:100%;background: #4c6c93;bottom: 2px;left: 0;position: absolute;}
.b-4 .tit .more{float: right;font-size: 12px;display:block;margin-top: 20px;color: #585858;}
.b-4 .tit a:hover{color: #4c6c93;}
.b-4 .current{border-bottom: 7px solid #4c6c93;}
.b-4 .tit ul li:hover{cursor: pointer;}

.b-4 .fl{width: 842px;}
.b-4 .fl .tit ul li{float: left;padding: 0 5px;margin-right: 35px;line-height: 42px;color: #343434;}

.b-4 .c{}
.b-4 .c .c-t{font-size: 18px;margin:12px 0;}
.b-4 .c .c-t a{color: #343434;}
.b-4 .c a:hover{color: #4c6c93;}
.b-4 .c .c-t span{float: right;font-size: 16px;}
.b-4 .c .hot{padding-bottom: 36px;border-bottom: 1px solid #cccccc;}
.b-4 .c .hot .c-1{float: left;}
.b-4 .c .hot .c-2{width: 580px;float: right;}
.b-4 .c .hot .c-2 .c-p{font-size: 14px;line-height: 28px;min-height: 84px;color: #585858;}
.b-4 .c .hot .c-2 .more{display:block;background:#bf2525 url(../image/b-4_icon01.png) no-repeat 70px 10px;width: 88px;height: 27px;text-align: center;color: #fff;font-size: 13px;line-height: 27px;box-sizing: border-box;padding-right: 5px;margin-top: 20px;}

.b-4 .c .list .c-t{font-size: 16px;margin:10px 0 3px;}
.b-4 .c .list ul li{padding-bottom: 20px;border-bottom: 1px solid #cccccc;}
.b-4 .c .list .c-p{font-size: 12px;line-height: 24px;max-width: 815px;color: #585858;white-space: nowrap;text-overflow: ellipsis;overflow: hidden;} 

.b-4 .c>div{display: none;}
.b-4 .c>.c1{display: block;}

.b-4 .fr{width: 305px;}
.b-4 .fr .tit ul li{float: left;padding: 0 5px;margin-right: 35px;line-height: 42px;color: #343434;}
.b-4 .fr>ul{box-sizing: border-box;border: 1px solid #e5e5e5;}
.b-4 .fr>ul li{width: 100%;text-align: center;margin-bottom: 26px;}

.b-5{background: #f4f4f4;margin-top: 80px;padding: 35px 0;}
.b-5 .wrap{position: relative;}
.b-5 span{display: block;font-size: 30px;font-weight: 600;padding-left: 55px;background: url(../image/join_icon.png) no-repeat left 8px;margin-bottom: 18px;}
.b-5 p{font-size: 14px;line-height: 24px;max-width: 532px;}
.b-5 a{display: block;position: absolute; width: 162px;height: 44px;background: url(../image/join_icon02.jpg) no-repeat;top: 45px;right: 90px;}