body {
    padding-top: 80px;
    font-family: Source Han Sans CN;
    line-height: 1
}

.clearfix:after,
.clearfix:before {
    content: '';
    display: table
}

.clearfix:after {
    clear: both
}

.clearfix {
    *zoom: 1
}

.wrap {
    margin: 0 auto;
    width: 1200px
}

.banner {
    height: 806px;
    background: url(../../../dist/img/p/ai/banner.jpg) center/cover
}

.banner .wrap {
    position: relative
}

.banner h1 {
    margin-top: 285px;
    font-size: 83px;
    font-weight: 800;
    color: #fff
}

.banner h2 {
    margin-top: 35px;
    font-size: 61px;
    font-weight: 400;
    color: #fff
}

.banner p {
    margin-top: 64px;
    padding: 0 20px;
    display: inline-block;
    font-size: 30px;
    font-weight: 400;
    color: #fff;
    line-height: 73px;
    background: url(../../../dist/img/p/ai/p-bg.png) center/100% 100%
}

.banner .min-pop {
    position: absolute;
    width: 150px;
    height: 150px;
    bottom: -118px;
    right: 26px
}

.part-1 {
    height: 462px;
    background: url(../../../dist/img/p/ai/p1-bg.png) center/cover
}

.part-1 .wrap {
    width: 1268px;
    overflow: hidden
}

.part-1 .wrap .content {
    margin-top: 98px;
    height: 264px;
    background: url(../../../dist/img/p/ai/p1-c-bg.png) center/cover;
    background-color: rgba(41, 122, 255, .08);
    font-size: 0
}

.part-1 .wrap .content .item {
    display: inline-block;
    margin: 18px 2px 0;
    width: 313px;
    height: 243px;
    background: url(../../../dist/img/p/ai/p1-c-item-bg.png) center/cover
}

.part-1 .wrap .content .item .icon {
    margin: -30px auto 0;
    width: 108px;
    height: 108px;
    background: url(../../../dist/img/p/ai/icon-1.png) no-repeat top 29px center/45px 37px, url(../../../dist/img/p/ai/p1-icon-border.png) center/cover
}

.part-1 .wrap .content .item .icon-2 {
    background: url(../../../dist/img/p/ai/icon-2.png) no-repeat top 24px center/36px 46px, url(../../../dist/img/p/ai/p1-icon-border.png) center/cover
}

.part-1 .wrap .content .item .icon-3 {
    background: url(../../../dist/img/p/ai/icon-3.png) no-repeat top 23px center/39px 47px, url(../../../dist/img/p/ai/p1-icon-border.png) center/cover
}

.part-1 .wrap .content .item .icon-4 {
    background: url(../../../dist/img/p/ai/icon-4.png) no-repeat top 24px center/44px 46px, url(../../../dist/img/p/ai/p1-icon-border.png) center/cover
}

.part-1 .wrap .content .item h4 {
    margin: 10px auto 20px;
    font-size: 24px;
    font-weight: 400;
    color: #fff;
    line-height: 40px;
    background: url(../../../dist/img/p/ai/p1-h4-bg.png) no-repeat center/154px 40px;
    text-align: center
}

.part-1 .wrap .content .item p {
    font-size: 18px;
    font-weight: 400;
    color: #4d4d4d;
    line-height: 27px;
    text-align: center
}

.part-2 {
    height: 800px;
    background: url(../../../dist/img/p/ai/p2-bg.jpg) center/cover
}

.part-2 .wrap {
    position: relative
}

.part-2 h1 {
    margin-top: 150px;
    font-size: 90px;
    font-weight: 800;
    color: #fff
}

.part-2 h2 {
    margin-top: 38px;
    font-size: 76px;
    font-weight: 400;
    color: #fff
}

.part-2 .advantage {
    margin-top: 100px
}

.part-2 .advantage .item {
    display: inline-block;
    vertical-align: top;
    text-align: center
}

.part-2 .advantage .item .icon img {
    width: 115px
}

.part-2 .advantage .item p {
    margin-top: 35px;
    font-size: 24px;
    font-weight: 400;
    color: #fff;
    line-height: 30px
}

.part-2 .advantage .item+.item {
    margin-left: 35px
}

.part-2 .phone {
    position: absolute;
    right: 50px;
    top: 80px;
    width: 434px
}

.part-2 .phone img {
    width: 434px
}

.part-3 {
    height: 645px;
    background: url(../../../dist/img/p/ai/p3-bg.png) no-repeat right 100px bottom 57px;
    background-size: 420px 444px
}

.part-3 .wrap {
    position: relative
}

.part-3 .left {
    position: absolute;
    top: -63px;
    left: -180px
}

.part-3 .left img {
    width: 800px
}

.part-3 p {
    float: right;
    margin-top: 313px;
    position: relative;
    padding-top: 20px;
    width: 629px;
    height: 132px;
    background: #306aff;
    border: 1px solid #07efff;
    border-radius: 76px;
    font-size: 28px;
    color: #fff;
    line-height: 50px;
    text-align: center
}

.part-3 p span {
    font-size: 30px;
    font-weight: 700
}

.part-3 p::before {
    content: "";
    position: absolute;
    left: -25px;
    top: 50px;
    width: 39px;
    height: 52px;
    background: url(../../../dist/img/p/ai/arrow.png) center/cover
}

.part-3 p:after {
    content: "";
    position: absolute;
    top: -40px;
    right: 107px;
    width: 41px;
    height: 54px;
    background: url(../../../dist/img/p/ai/dot.png) center/cover
}

.part-4 {
    position: relative;
    height: 800px;
    background: url(../../../dist/img/p/ai/p4-bg.jpg) center/cover
}

.part-4 .wrap h1 {
    margin-top: 230px;
    font-size: 90px;
    font-weight: 800;
    color: #fff
}

.part-4 .wrap h2 {
    margin-top: 45px;
    font-size: 70px;
    font-weight: 400;
    color: #fff
}

.part-4 .wrap p {
    display: inline-block;
    margin-top: 70px;
    padding: 0 205px 0 20px;
    background: url(../../../dist/img/p/ai/p-bg.png) center/100% 100%;
    font-size: 36px;
    font-weight: 400;
    color: #fff;
    line-height: 88px
}

@-webkit-keyframes move {
    0% {
        opacity: 0
    }
    10% {
        opacity: 1
    }
    75% {
        -webkit-transform: translateX(600px);
        transform: translateX(600px);
        opacity: 1
    }
    90% {
        -webkit-transform: translateX(600px);
        transform: translateX(600px);
        opacity: 0
    }
    100% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
        opacity: 0
    }
}

@keyframes move {
    0% {
        opacity: 0
    }
    10% {
        opacity: 1
    }
    75% {
        -webkit-transform: translateX(600px);
        transform: translateX(600px);
        opacity: 1
    }
    90% {
        -webkit-transform: translateX(600px);
        transform: translateX(600px);
        opacity: 0
    }
    100% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
        opacity: 0
    }
}

.part-4 .wrap .light {
    display: inline-block;
    margin: -38px 0 0 -90px;
    -webkit-animation: move 3s infinite ease-in 1s;
    animation: move 3s infinite ease-in 1s
}