.tit {
        margin: 50px 0;
        text-align: center;
        clear: both;
    }
    
    .tit h2 {
        display: block;
        font-size: 45px;
        color: #333333;
        font-weight: bold;
        line-height: 60px;
    }
    
    .tit h2 i {
        display: block;
        font-style: normal;
        font-size: 20px;
        color: #666666;
        line-height: 30px;
        font-weight: normal;
        text-transform: uppercase;
    }
    
    .tit h2 b {
        font-weight: normal;
        color: #43b83b;
    }
    
    .ser li {
        float: left;
        width: 267px;
        height: 310px;
        padding: 50px 20px 20px;
        margin-right: 20px;
        margin-top: 40px;
        text-align: center;
        border: 2px solid #51565c;
        box-sizing: border-box;
        position: relative;
        transition: all 0.6s;
    }
    
    .ser li:nth-child(4n) {
        margin-right: 0;
    }
    
    .ser li em {
        display: block;
        width: 125px;
        height: 80px;
        padding: 0 25px;
        background: #fff;
        box-sizing: border-box;
        position: absolute;
        left: 28%;
        top: -40px;
    }
    
    .ser li h5 {
        color: #0876E7;
        font-size: 22px;
        line-height: 30px;
    }
    
    .ser li h5 span {
        display: block;
        font-size: 15px;
        font-weight: 100;
        text-transform: uppercase;
    }
    
    .ser li p {
        margin: 15px 0;
        font-size: 16px;
        line-height: 30px;
    }
    
    .ser li:hover {
        -webkit-transform: translateY(-10px);
        -o-transform: translateY(-10px);
        -ms-transform: translateY(-10px);
        -moz-transform: translateY(-10px);
    }

    .cesl {
        width: 100%;
        height: 500px;
        position: relative;
        background:url(/skin/images/79969bfd79d549f2a8e769af2fc182b8_20.jpg) no-repeat center top;
    }
    
    .ys_nav img {
        width: 100%;
        display: block;
    }
    
    .ys_nr {
        width: 100%;
    }
    
    .ys_nr p {
        width: 100%;
    }
    
    .ys_nav ul {
        width: 100%;
        position: absolute;
        left: 0;
        top: 0;
        height: 100%;
    }
    
    .ys_nav li {
        width: 25%;
        height: 100%;
        float: left;
        border-right: 1px solid rgba(255, 255, 255, 0.5);
        box-sizing: border-box;
        position: relative;
        -webkit-transition: .3s;
        -moz-transition: .3s;
        transition: .3s;
    }
    
    .ys_nav li:last-child {
        border-right: 0;
    }
    
    .ys_nav li .sbt {
        width: 100%;
        text-align: center;
        position: absolute;
        left: 0;
        top: 15%;
        opacity: 1;
        -webkit-transition: .3s;
        -moz-transition: .3s;
        transition: .3s;
    }
    
    .ys_nav li .sbt img {
        width: 80px;
        display: block;
        margin: 0 auto;
    }
    
    .ys_nav li .sbt h5 {
        font-size: 32px;
        color: #fff;
        margin-top: 20px;
        padding-bottom: 40px;
        line-height: 45px;
        position: relative;
    }
    
    .ys_nav li .sbt h5 i {
        font-style: normal;
        font-size: 26px;
        color: #fff;
        display: block;
        line-height: 36px;
        font-weight: normal;
    }
    
    .ys_nav li .sbt span:after {
        position: absolute;
        content: '';
        width: 64px;
        height: 2px;
        background: #fff;
        bottom: -60px;
        left: 44%;
    }
    
    .ys_nav li dl {
        display: block;
        text-align: left;
        width: 100%;
        height: 100%;
        background: rgba(33, 131, 231);
        position: relative;
        z-index: 5;
        opacity: 0;
        -webkit-transition: .3s;
        -moz-transition: .3s;
        transition: .3s;
    }
    
    .ys_nav li dt {
        width: 100%;
    }
    
    .ys_nav li dd {
        width: 100%;
        padding: 80px 30px;
        box-sizing: border-box;
    }
    
    .ys_nav li dd span {
        font-size: 28px;
        color: #fff;
        margin-bottom: 22px;
        font-weight: normal;
        display: block;
        border-bottom: 1px dashed #fff;
    }
    
    .ys_nav li dd em {
        display: block;
        line-height: 38px;
        color: #fff;
        font-size: 16px;
        font-weight: normal;
        font-style: normal;
    }
    
    .ys_nav li dd p {
        line-height: 30px;
        font-size: 16px;
        color: #fff;
        margin-bottom: 30px;
    }
    
    .ys_nav li dd .ys_btn {
        width: 200px;
        height: 40px;
        display: block;
        border: 3px solid #fff;
        line-height: 40px;
        text-align: center;
        color: #fff;
        margin-top: 65px;
    }
    
    .ys_nav li.cur .sbt {
        opacity: 0;
    }
    
    .ys_nav li.cur dl {
        opacity: 1;
    }

    .sei dl {
        width: 595px;
        height: 376px;
        float: left;
        background: #fff;
        box-shadow: 0px 0px 8px #dedede;
    }
    
    .sei dl dt {
        position: relative;
        width: 282px;
        height: 376px
    }
    
    .sei dl dt:after {
        position: absolute;
        content: "";
        top: 169px;
        z-index: 999;
        border-width: 19px 25px;
        border-color: transparent #fff transparent transparent;
        border-style: solid
    }
    
    .sei dl dd {
        width: 313px;
        height: 376px;
        padding: 45px 33px 0 34px;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
        position: relative
    }
    
    .sei dl dd h4 {
        font-size: 24px;
        color: #1a1a1a;
        line-height: 35px;
        margin-bottom: 22px;
        margin-top: 42px;
    }
    
    .sei dl dd h4 img {
        display: block;
        margin-bottom: 8px
    }
    
    .sei dl dd h4 span {
        font-size: 24px;
        line-height: 100%;
        color: #333;
        font-weight: 400;
        padding-left: 5px;
    }
    
    .sei dl dd p {
        font-size: 16px;
        color: #333;
        line-height: 26px;
        text-align: justify
    }
    
    .sei dl:nth-child(odd) {
        margin-right: 10px
    }
    
    .sei dl:nth-child(odd) dt {
        float: left
    }
    
    .sei dl:nth-child(odd) dt:after {
        right: -2px
    }
    
    .sei dl:nth-child(odd) dd {
        float: right
    }
    
    .sei dl:nth-child(even) dt {
        float: right
    }
    
    .sei dl:nth-child(even) dt:after {
        left: -2px;
        border-color: transparent transparent transparent #fff;
    }
    
    .sei dl:nth-child(even) dd {
        float: left;
        padding: 45px 26px 0 40px
    }
    
    .sei dl:first-child,
    .sei dl:nth-child(2) {
        margin-bottom: 10px
    }

    .prdt {
        height: auto;
        padding: 5px 0 60px;
        margin-top: 60px;
        background: #efefef;
    }
    
    .prdt li {
        float: left;
        width: 386px;
        margin-right: 20px;
        margin-bottom: 20px;
    }
    
    .prdt li:nth-child(3n) {
        margin-right: 0;
    }

    .fwlc ul {
        height: 390px;
        background:url(/skin/images/b3d29851d53645ee896d96a5b837e73d_2.jpg) no-repeat center center;
    }
    
    .fwlc li {
        float: left;
        width: 178px;
        height: 178px;
        margin-right: 75px;
        margin-bottom: 27px;
        padding-top: 29px;
        box-sizing: border-box;
        text-align: center;
        background:url(/skin/images/63dd0da00be547c7abd61f44568653e1_16.png) no-repeat;
    }
    
    .fwlc li:nth-child(5) {
        margin-right: 0;
    }
    
    .fwlc li:nth-child(6) {
        margin-right: 125px;
    }
    
    .fwlc li em {
        display: block;
        width: 64px;
        margin: 0 auto;
    }
    
    .fwlc li p {
        color: #fff;
        font-size: 18px;
        line-height: 30px;
        margin: 8px 0;
    }
    
    .fwlc li.plt {
        float: right;
    }
    
    .fwlc li:hover em {
        -webkit-animation: hvr-buzz-out 0.75s linear;
        animation: hvr-buzz-out 0.75s linear;
    }
    
    @-webkit-keyframes hvr-buzz-out {
        10% {
            -webkit-transform: translateX(3px) rotate(2deg);
            transform: translateX(3px) rotate(2deg);
        }
        20% {
            -webkit-transform: translateX(-3px) rotate(-2deg);
            transform: translateX(-3px) rotate(-2deg);
        }
        30% {
            -webkit-transform: translateX(3px) rotate(2deg);
            transform: translateX(3px) rotate(2deg);
        }
        40% {
            -webkit-transform: translateX(-3px) rotate(-2deg);
            transform: translateX(-3px) rotate(-2deg);
        }
        50% {
            -webkit-transform: translateX(2px) rotate(1deg);
            transform: translateX(2px) rotate(1deg);
        }
        60% {
            -webkit-transform: translateX(-2px) rotate(-1deg);
            transform: translateX(-2px) rotate(-1deg);
        }
        70% {
            -webkit-transform: translateX(2px) rotate(1deg);
            transform: translateX(2px) rotate(1deg);
        }
        80% {
            -webkit-transform: translateX(-2px) rotate(-1deg);
            transform: translateX(-2px) rotate(-1deg);
        }
        90% {
            -webkit-transform: translateX(1px) rotate(0);
            transform: translateX(1px) rotate(0);
        }
        100% {
            -webkit-transform: translateX(-1px) rotate(0);
            transform: translateX(-1px) rotate(0);
        }
    }
    
    @keyframes hvr-buzz-out {
        10% {
            -webkit-transform: translateX(3px) rotate(2deg);
            transform: translateX(3px) rotate(2deg);
        }
        20% {
            -webkit-transform: translateX(-3px) rotate(-2deg);
            transform: translateX(-3px) rotate(-2deg);
        }
        30% {
            -webkit-transform: translateX(3px) rotate(2deg);
            transform: translateX(3px) rotate(2deg);
        }
        40% {
            -webkit-transform: translateX(-3px) rotate(-2deg);
            transform: translateX(-3px) rotate(-2deg);
        }
        50% {
            -webkit-transform: translateX(2px) rotate(1deg);
            transform: translateX(2px) rotate(1deg);
        }
        60% {
            -webkit-transform: translateX(-2px) rotate(-1deg);
            transform: translateX(-2px) rotate(-1deg);
        }
        70% {
            -webkit-transform: translateX(2px) rotate(1deg);
            transform: translateX(2px) rotate(1deg);
        }
        80% {
            -webkit-transform: translateX(-2px) rotate(-1deg);
            transform: translateX(-2px) rotate(-1deg);
        }
        90% {
            -webkit-transform: translateX(1px) rotate(0);
            transform: translateX(1px) rotate(0);
        }
        100% {
            -webkit-transform: translateX(-1px) rotate(0);
            transform: translateX(-1px) rotate(0);
        }
    }