.chain-header{padding:18px 0;min-width:1200px;background-color:#fff;}
.chain-header .logo{display: flex;display:-webkit-flex;align-items: center;}
.chain-header .logo img{vertical-align:top;}
.chain-header .logo span{display:inline-block;margin:8px 0 8px 20px;padding-left:15px;height:30px;border-left:1px solid #ccc;color:#444;font-size:16px;line-height:30px;vertical-align: middle;}
.chain-header .return{line-height:46px;}
.chain-header .return a{padding-left:22px;background:url(../memberCenter/img/login_icon.png) no-repeat 0 2px;color:#666;font-size:15px;}
.bottom{padding:35px 0;background-color:#201f25;line-height:20px;}
.bottom p{color:#ccc;text-align:center;font-size:14px;}
.bottom a{color:#ccc;}
.main-tt{text-align:center;}
.chain-part1 .banner{height:745px;background:url(../images/chain/banner.jpg) no-repeat center;}
.chain-part1 .btn{margin-bottom:226px;padding-top:375px;}
.chain-part1 .btn a{display:block;margin-left:27px;width:198px;height:48px;border:1px solid #fff;border-radius:48px;color:#fff;text-align:center;font-size:18px;line-height:48px;}
.chain-part1 .btn a:hover{border-color:#bfcdff;background-color:#bfcdff;color:#4266e4;}
.chain-part1 .txt{background:url(../images/chain/part1_bg.jpg) repeat-y center 0;}
.chain-part1 .txt .in{position:relative;margin:0 auto;width:826px;color:#626d9b;text-align:justify;font-size:16px;line-height:32px;}
.chain-part1 .txt i{position:absolute;width:30px;height:24px;}
.chain-part1 .txt i.l{top:6px;left:-56px;background:url(../images/chain/symbol_l.png) no-repeat 0 0;}
.chain-part1 .txt i.r{right:-56px;bottom:4px;background:url(../images/chain/symbol_r.png) no-repeat 0 0;}
.chain-part1 .btm{width:100%;height:180px;background:url(../images/chain/part1_btm.jpg) no-repeat center;}
.chain-part2{padding-bottom:80px;background-color:#ecf4ff;}
.chain-part2 .main-tt{padding:69px 0;}
.chain-part2 li{float:left;margin-right:20px;padding:44px 30px 0;width:225px;height:330px;background-color:#fff;box-shadow:0 0 15px rgba(48,84,217,.1);transition:all .3s ease;}
.chain-part2 li.last{margin-right:0;}
.chain-part2 li .ico{margin:0 auto 36px;width:100px;height:100px;border-radius:100px;background:#759cfe;background:-webkit-linear-gradient(#759cfe,#5989ff);background:-o-linear-gradient(#759cfe,#5989ff);background:-moz-linear-gradient(#759cfe,#5989ff);background:linear-gradient(#759cfe,#5989ff);box-shadow:0 0 20px rgba(46,83,211,.25);opacity:.9;transition:all .3s ease;}
.chain-part2 li .ico i{display:block;height:100px;background:url(../images/chain/part2_ico.png) no-repeat 0 0;}
.chain-part2 li .ico i.ico2{background-position-y:-100px;}
.chain-part2 li .ico i.ico3{background-position-y:-200px;}
.chain-part2 li .ico i.ico4{background-position-y:-300px;}
.chain-part2 li h5{margin-bottom:20px;color:#4c62b0;text-align:center;font-size:16px;}
.chain-part2 li p{color:#888ea9;font-size:14px;line-height:24px;}
.chain-part2 li:hover{box-shadow:0 0 20px rgba(6,41,164,.2);}
.chain-part2 li:hover .ico{opacity:1;}
.chain-part3{height:829px;background:url(../images/chain/part3_bg.jpg) no-repeat center;}
.chain-part3 .main-tt{padding:58px 0 50px;}
.chain-part3 .con{padding:46px 25px 0;height:554px;background-color:#fff;}
.chain-part3 .txt{padding:0 35px;padding-top:10px;width:376px;height:500px;background-color:#f2f5ff;line-height:26px;}
.chain-part3 .txt h5{color:#4c62b0;font-size:16px;}
.chain-part3 .txt p{color:#697ab4;font-size:12px;}
.chain-part4{height:600px;background:#daeaff url(../images/chain/part4_bg.png) no-repeat center 124px;}
.chain-part4 .main-tt{padding:56px 0;}
.chain-part4 .con{padding-top:54px;padding-left:454px;height:267px;}
.chain-part4 .con p{margin-bottom:17px;color:#697ab4;font-size:16px;line-height:22px;}
.chain-part4 .con span{display:inline-block;margin-right:12px;width:22px;height:22px;border-radius:22px;background-color:#daeaff;vertical-align:top;text-align:center;}
.chain-part4 .btn a,.chain-part5 .btn a{display:block;margin:38px auto 0;width:240px;height:50px;border-radius:50px;background:-webkit-linear-gradient(left,#345ae2 ,#5c7dff);background:-o-linear-gradient(right,#345ae2 ,#5c7dff);background:-moz-linear-gradient(right,#345ae2 ,#5c7dff);background:linear-gradient(to right,#345ae2 ,#5c7dff);color:#fff;text-align:center;font-size:16px;line-height:50px;opacity:.85;}
.chain-part4 .btn a:hover,.chain-part5 .btn a:hover{opacity:1;}
.chain-part5{height:635px;background-color:#fff;}
.chain-part5 .main-tt{padding:62px 0 70px;}
.chain-part5 .con .pic{margin-bottom:12px;text-align:center;}
.chain-part5 .con ul{padding:0 10px;height:116px;}
.chain-part5 .con li{float:left;margin-right:60px;width:188px;color:#888ea9;font-size:14px;line-height:20px;word-break:break-all;}
.chain-part5 .con li.last{margin-right:0;}