.container-nav-img li:nth-child(1) {
    background: rgba(0,0,0,0.7);
    border-radius: 20px;
}

.ad {
    padding: 60px 120px;
    text-align: center
}

.ad .title {
    font-size: 30px;
    height: 50px;
    line-height: 50px;
    font-weight: 400;
    color: #31475e
}

.icon-img-arrow-left-normal {
    background: url(../image/sprite.png) no-repeat -286px -36px;
    background-size: 449px 380px;
    width: 52px;
    height: 52px
}

.icon-img-arrow-right-normal {
    background: url(../image/sprite.png) no-repeat -219px -161px;
    background-size: 449px 380px;
    width: 52px;
    height: 52px
}

.icon-img-cw {
    background: url(../image/index/icon_cw_4.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-cb {
    background: url(../image/index/icon_cb.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-kf {
    background: url(../image/index/icon_kf.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-yy {
    background: url(../image/index/icon_yy_2.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}


.solution {
    position: relative;
    width: 580px;
    padding-bottom: 50px;
    background: #fff;
    box-shadow: 0 3px 15px 0 rgba(224,224,224,.5);
    border: 1px solid #f0f3f7
}

.solution img {
    margin-bottom: 30px;
    display: block;
    width: 100%;
    height: 292px
}

.solution .title {
    margin-top: 20px;
    padding: 0 25px;
    font-size: 20px;
    font-weight: 400;
    color: #31475e
}

.solution p {
    margin-top: 20px;
    padding: 0 25px;
    font-size: 14px;
    color: #6a7c92;
    line-height: 25px;
    height: 50px;
    overflow: hidden
}

.solution a.view {
    margin: 40px auto 0 auto;
    display: block;
    width: 140px;
    font-size: 16px;
    color: #fff;
    text-align: center;
    border-radius: 46px;
    box-shadow: 0 3px 6px 0 rgba(0,209,160,.3);
    height: 46px;
    line-height: 46px;
    background: #00d1a0
}

.solution a.view:hover {
    background: #0fc1af
}

.solution:hover {
    box-shadow: 0 8px 40px 0 rgba(0,0,0,.1)
}

.business {
    margin-top: 30px
}

.business .title {
    margin-bottom: 40px;
    font-size: 30px;
    color: #31475e;
    font-weight: 400;
    text-align: center
}

.business ul {
    margin-top: -20px;
    margin-left: -20px
}

.business ul li {
    position: relative;
    float: left;
    margin-top: 20px;
    width: 380px;
    overflow: hidden;
    margin-left: 20px
}

.business ul li:hover .word {
    display: block;
    opacity: 1;
    background: rgba(0,0,0,.6);
    filter: alpha(opacity=100)
}

.business ul li:hover img {
    -webkit-transform: scale(1.1);
    -ms-transform: scale(1.1);
    transform: scale(1.1)
}

.business ul li:hover h3 {
    opacity: 0;
    filter: alpha(opacity=0)
}

.business ul li h3 {
    position: absolute;
    left: 25px;
    bottom: 20px;
    z-index: 2;
    font-size: 20px;
    color: #fff;
    font-weight: 400;
    opacity: 1;
    filter: alpha(opacity=100);
    -webkit-transition: opacity .4s;
    transition: opacity .4s
}

.business ul li img {
    position: relative;
    display: block;
    z-index: 1;
    width: 100%;
    -webkit-transition: -webkit-transform .4s;
    transition: -webkit-transform .4s;
    transition: transform .4s;
    transition: transform .4s,-webkit-transform .4s
}

.business ul li .word {
    opacity: 0;
    filter: alpha(opacity=0);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    padding-top: 20%;
    text-align: center;
    -webkit-transition: opacity .4s;
    transition: opacity .4s
}

.business ul li .word h4 {
    font-size: 20px;
    color: #fff;
    font-weight: 400
}

.business ul li .word .border {
    display: block;
    margin: 10px auto;
    width: 22px;
    height: 1px;
    line-height: 0;
    font-size: 0;
    background: #00d1a0
}

.business ul li .word p {
    font-size: 14px;
    color: #fff
}

.advantage {
    margin-top: 30px
}

.advantage .title {
    margin-bottom: 40px;
    font-size: 30px;
    color: #31475e;
    text-align: center;
    font-weight: 400
}

.advantage ul {
    margin-left: -20px;
    margin-right: -20px
}

.advantage ul li {
    float: left;
    width: 236px;
    margin-left: 20px;
    padding: 30px 20px;
    box-shadow: 0 3px 15px 0 rgba(224,224,224,.5);
    border: 1px solid #f0f3f7
}

.advantage ul li .icon {
    display: block;
    margin: 0 auto
}

.advantage ul li h4 {
    margin-top: 20px;
    color: #31475e;
    text-align: center;
    font-size: 18px;
    font-weight: 400
}

.advantage ul li p {
    margin-top: 15px;
    height: 130px;
    color: #6a7c92;
    font-size: 14px;
    line-height: 25px;
    font-weight: 400;
    text-align: justify
}

.platform {
    background: #f7f7f7;
    padding: 50px 0
}

.platform .title {
    margin-bottom: 60px;
    font-size: 30px;
    color: #31475e;
    text-align: center;
    font-weight: 400
}

.platform .w ul li {
    display: inline-block;
    margin-right: 20px;
    width: 380px;
    height: 340px;
    background: #fff;
    overflow: hidden
}

.platform .w ul li h4 {
    color: #31475e;
    text-align: center;
    font-size: 18px;
    font-weight: 400;
    margin-bottom: 10px
}

.platform .w ul li:last-child {
    margin-right: 0
}

.platform .w ul li:hover {
    box-shadow: 0 8px 40px 0 rgba(0,0,0,.1)
}

.platform .w ul li img {
    width: 100%
}

.platform .w ul li .info {
    text-align: center;
    padding: 20px 0
}

.platform .w ul li .cost {
    color: #f8cb00;
    font-size: 14px
}

.platform .w .reserve {
    text-align: center
}

.platform .w .reserve .btn {
    display: inline-block;
    background: #00d1a0;
    border-radius: 100px;
    width: 240px;
    line-height: 50px;
    color: #fff;
    font-size: 18px;
    margin-top: 35px
}

.platform .w .reserve .btn i {
    display: inline-block;
    vertical-align: top;
    margin-right: 14px;
    margin-top: 10px
}

.platform .w .reserve .btn:hover {
    opacity: .8
}

.case {
    margin-top: 90px;
    padding: 50px 0 120px 0;
    background: url(../image/bg.png) no-repeat center bottom;
    overflow: hidden
}

.case .title {
    margin-bottom: 60px;
    font-size: 30px;
    color: #fff;
    text-align: center;
    font-weight: 400
}

.case .list {
    position: relative;
    margin: 0 auto
}

.case .list .marquee {
    position: relative;
    width: 100%;
    height: 410px;
    overflow: hidden
}

.case .list .marquee ul {
    width: 1200px
}

.case .list .marquee ul li {
    position: relative;
    float: left;
    margin-right: 20px;
    width: 380px;
    height: 410px;
    background: #fff;
    overflow: hidden
}

.case .list .marquee ul li:hover .pic:after {
    background: rgba(0,0,0,.4)
}

.case .list .marquee ul li:hover .pic .logo {
    opacity: 1;
    filter: alpha(opacity=100)
}

.case .list .marquee ul li:hover .more {
    background: #00d1a0;
    border-color: #0fc1af;
    color: #fff
}

.case .list .marquee ul li .pic {
    position: relative;
    overflow: hidden;
    line-height: 0;
    display: block
}

.case .list .marquee ul li .pic .bg {
    height: 217px
}

.case .list .marquee ul li .pic:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    -webkit-transition: background .4s;
    transition: background .4s
}

.case .list .marquee ul li .pic .logo {
    display: block;
    opacity: 0;
    filter: alpha(opacity=0);
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 3;
    margin-left: -100px;
    margin-top: -25px;
    width: 200px;
    height: 50px;
    line-height: 100%;
    -webkit-transition: opacity .4s;
    transition: opacity .4s
}

.case .list .marquee ul li .info {
    padding: 25px;
    height: 140px;
    background: #fff;
    -webkit-transition: height .4s;
    transition: height .4s;
    overflow: hidden;
    color: #31475e
}

.case .list .marquee ul li .info h4 {
    font-size: 20px;
    height: 30px;
    line-height: 30px;
    font-weight: 400;
    color: #31475e;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.case .list .marquee ul li .info p {
    margin-top: 10px;
    font-size: 14px;
    font-weight: 400;
    color: #6a7c92;
    line-height: 25px;
    height: 100px;
    overflow: hidden;
    text-align: justify
}

.case .list .marquee ul li .more {
    display: block;
    margin: 0 auto;
    width: 120px;
    height: 30px;
    line-height: 30px;
    border-radius: 30px;
    text-align: center;
    border: 1px solid #e1e1e1;
    color: #999;
    -webkit-transition: all .2s;
    transition: all .2s
}

.case .list .prev {
    left: -80px
}

.case .list .next {
    right: -80px
}

.case .list .next, .case .list .prev {
    position: absolute;
    top: 50%;
    margin-top: -26px;
    display: block;
    cursor: pointer;
    text-align: center;
    opacity: .5;
    -webkit-transition: opacity .2s;
    transition: opacity .2s
}

.case .list .next:hover, .case .list .prev:hover {
    opacity: 1
}

.branch {
    position: relative;
    padding: 90px 0
}

.branch .title {
    text-align: center;
    font-size: 30px;
    color: #31475e;
    font-weight: 400
}

.branch .map {
    margin-top: 30px;
    position: relative;
    z-index: 1;
    width: 100%;
    height: 640px
}

.branch .list {
    margin-top: 60px;
    height: 80px;
    text-align: center
}

.branch .list li {
    position: relative;
    display: inline-block;
    width: 170px;
    height: 80px;
    text-align: left
}

.branch .list li:after {
    content: '';
    position: absolute;
    top: 10px;
    left: 0;
    bottom: 4px;
    width: 0;
    overflow: hidden;
    border-left: 2px solid #00d1a0
}

.branch .list li.middle {
    margin: 0 200px
}

.branch .list li b {
    padding-left: 24px;
    font-size: 48px;
    color: #31475e;
    line-height: 60px;
    font-weight: 400
}

.branch .list li p {
    padding-left: 24px;
    font-size: 16px;
    color: #31475e;
    line-height: 20px
}
.standard {
    position: relative;
    padding: 90px 0;
    background: #f4f4f4
}

.standard .title {
    text-align: center;
    font-size: 30px;
    color: #31475e;
    font-weight: 400
}

.standard .list {
    margin: 30px auto 0 auto;
    position: relative;
    z-index: 1;
    width: 1000px;
    background: #fff
}

.standard .list table {
    width: 100%;
    border-collapse: collapse
}

.standard .list table td, .standard .list table th {
    padding: 10px;
    border: 1px solid #e1e1e1;
    border-collapse: collapse
}

@media screen and (max-width:1280px) {
    .case .list .prev {
        top: auto;
        bottom: -95px;
        left: 50%;
        margin-left: -80px
    }

    .case .list .next {
        top: auto;
        bottom: -95px;
        right: 50%;
        margin-right: -80px
    }
}


.advantage {
    margin-top: 30px;
    margin-bottom:80px;
}

.advantage .title {
    margin-bottom: 40px;
    font-size: 30px;
    color: #31475e;
    text-align: center;
    font-weight: 400
}

.advantage ul {
    margin-left: -20px;
    margin-right: -20px
}

.advantage ul li {
    float: left;
    width: 236px;
    margin-left: 20px;
    padding: 30px 20px;
    box-shadow: 0 3px 15px 0 rgba(224,224,224,.5);
    border: 1px solid #f0f3f7
}

.advantage ul li .icon {
    display: block;
    margin: 0 auto
}

.advantage ul li h4 {
    margin-top: 20px;
    color: #31475e;
    text-align: center;
    font-size: 18px;
    font-weight: 400
}

.advantage ul li p {
    margin-top: 15px;
    height: 130px;
    color: #6a7c92;
    font-size: 14px;
    line-height: 25px;
    font-weight: 400;
    text-align: justify
}

.icon-img-1 {
    background: url(../image/leading/cloud.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-2 {
    background: url(../image/leading/saas.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-3 {
    background: url(../image/leading/charge.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-4 {
    background: url(../image/leading/function.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-5 {
    background: url(../image/leading/user.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-6 {
    background: url(../image/leading/safe.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-7 {
    background: url(../image/leading/open.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-8 {
    background: url(../image/leading/copy.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}

.icon-img-9 {
    background: url(../image/charge/icon_fs.png) no-repeat;
    background-size: 70px 70px;
    width: 70px;
    height: 70px
}