.o-btn{text-align:center;color:#484848;font-size:18px;background-color:#ffd440;border:1px solid #d8ac16;border-radius:24px;padding:5px 20px;text-decoration:none;transition:all 150ms ease-in-out;outline:none;cursor:pointer}.o-btn:hover{background-color:#ffc90d;text-decoration:none;border-color:#aa8711}.o-btn-bg{padding:8px 45px;font-size:24px}.o-btn-reverse{border:2px solid #d9e2e4;background:transparent;color:#fff}.o-btn-reverse:link,.o-btn-reverse:visited,.o-btn-reverse:link,.o-btn-reverse:active{background-color:transparent;color:#fff;text-decoration:none}.o-btn-reverse:hover{border-color:#bbcbcf}.o-btn-reverse-subline{margin-left:240px;margin-top:35px !important;padding-left:20px;padding-right:20px}.banner{background:url("/assets/ikjxc/about/backdrop.jpg") top center no-repeat;height:1010px;position:relative;padding-top:330px}.banner .container .intro{padding-top:50px;position:relative;height:708px}.banner .container .intro h2{font-size:50px;color:#fff;letter-spacing:2px}.banner .container .intro h3{font-size:24px;margin-top:12px;margin-bottom:86px;color:#fff;letter-spacing:2px}.banner .container .intro .o-contact .o-btn{display:inline-block;margin-top:0}.banner .container .intro .o-contact .o-btn+.o-btn{margin-left:51px}.banner .container .intro .o-contact .o-btn+.o-btn img{vertical-align:-4px;margin-left:-15px;margin-right:10px;border:none}.banner .container .intro .backdrop__sm{position:absolute;right:0;width:515px;display:block;bottom:240px;border:240px}.banner .container .intro .backdrop__sm .img-responsive{display:block;max-width:100%;height:auto}.about-us{padding-top:110px;text-align:center;color:#212a38}.about-us h3{margin-bottom:30px;position:relative}.about-us h3 span{font-size:30px;padding-left:15px;padding-right:15px;background-color:#fff}.about-us h3::before{position:absolute;top:50%;left:50%;margin-left:-120px;width:240px;height:1px;background-color:#212a38;content:"";z-index:-1}.about-us p{font-size:18px;line-height:1.8}.timeline{height:2277px;margin:50px;background:url("/assets/ikjxc/about/timeline.png") no-repeat;background-position:45% center}.fullcolumn-img{margin-top:40px;margin-bottom:105px;text-align:center;height:400px;background:url("/assets/ikjxc/about/tour.png") no-repeat;background-position:center;background-size:auto 50%}.contact-list{width:780px;margin:0 auto}.contact-list ul li{width:225px;display:inline-block;text-align:center;vertical-align:top;color:#5a5a5a}.contact-list ul li .contact-list-img{display:block;margin:0 auto 20px;height:40px}.contact-list ul li+li{margin-left:50px}.contact-list .welcome{margin-top:120px;margin-bottom:130px;text-align:center}.contact-list .welcome a{font-size:36px;color:#242424;text-decoration:none;padding-bottom:15px;display:inline-block;vertical-align:middle;transform:translateZ(0);-webkit-transform:translateZ(0);box-shadow:0 0 1px transparent;position:relative;overflow:hidden;-webkit-backface-visibility:hidden;backface-visibility:hidden}.contact-list .welcome a:before{content:"";position:absolute;z-index:-1;left:50%;right:50%;bottom:0;background:#38adfa;height:4px;-webkit-transition-property:left, right;transition-property:left, right;-webkit-transition-duration:0.3s;transition-duration:0.3s;-webkit-transition-timing-function:ease-out;transition-timing-function:ease-out}.contact-list .welcome a:hover:before,.contact-list .welcome a:focus:before,.contact-list .welcome a:active:before{left:0;right:0}