body{
    overflow-x: hidden;
}
.banner-box > img {
    width: 100%;
    float: none;
}
.banner-box {
    position: relative;
    width: 100%;
    float: left;
}
.banner-dw{
    position: absolute;
    left: 50%;
    top:50%;
    transform: translate(-50%,-50%);
    -ms-transform:  translate(-50%,-50%);
    -moz-transform:  translate(-50%,-50%);
    -webkit-transform:  translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
}
.banner-dw ,.banner-dw > a{
    display: inline-block;
    color:#fff;
    font-size: 20px;
    transition: all .3s;
}
.banner-dw > a:hover{
    color:#70ad47
}

.fei-box{
    width: 100%;
    position: relative;
    float: left;
    padding:80px 0 80px
}
.fei-box:after{
    content: '';
    background: url("../img/feed-2.png") no-repeat;
    width: 320px;
    height: 51px;
    position: absolute;
    background-size: cover;
    bottom: -50px;
    left: 50%;
    margin-left: -160px;
}
.fei-child{
    width: 100%;
    border: 12px solid #fff6ea;
    background: url("../img/n-02.png") no-repeat;
    background-position: right bottom;
}
.fei-child img{
    float: none;
    width: 100%;
}
.img-box{
    position: relative;
    display: inline-block;
    width: 35%;
    float: left;
}
.img-box:after{
    position: absolute;
    bottom: 0;
    right: 0;
    content: '';
    background: url("../img/n-mengban.png");
    background-size: 100% 100%;
    height: 100%;
    width: 45px;
}
.fei-child-box{
    width: 65%;
    float: left;
    padding: 120px 40px 0;
}
.fei-child:after{
    display: block;
    content: '';
    clear: both;
}

.title-span{
    color:#333333;
    font-size: 34px;
    display: block;
    position: relative;
    text-align: center;
}
.title-span::before{
    content: '';
    position: absolute;
    width: 64px;
    height: 64px;
    background:url("../img/daocao.png") no-repeat center top;
    top:-64px;
    left: 50%;
    transform: translateX(-50%);
    -ms-transform:  translateX(-50%);
    -moz-transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -o-transform: translateX(-50%);
}
.title-span::after{
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background:#70ad47;
    left: 50%;
    bottom: -5px;
    margin-left: -20px;
}
.fei-child-box > p {
    color:#555555;
    font-size: 16px;
    line-height: 40px;
    margin-top: 40px;
}
.fei-box > .container{
    position: relative;
}
.fei-box > .container:after{
    position: absolute;
    content: url("../img/2.png");
    right: -150px;
    bottom: -150px;
}
.introduce-box{
    padding: 80px 0;
    width: 100%;
    float: left;
    background: url("../img/feed-2.jpg") no-repeat center;
    background-size: cover;

}
.introduce-box .col-sm-6>div>p{
    color:#fff;
    font-size: 16px;
}
.introduce-box .col-sm-6>div>p:not(:last-child){
    margin-bottom: 20px;
}
.introduce-box .row>div:last-child{
    text-align: right;
}
.introduce-box .row>div:first-child ul,
.introduce-box .row>div:last-child ul{
    position: relative;
}
.introduce-box .row>div:first-child>div:before{
    content: '';
    position: absolute;
    left: -380px;
    top: 130px;
    width: 433px;
    height: 270px;
    background: url("../img/feed-3.png") no-repeat;
    background-position: left bottom;
    display: block;
}
.introduce-box .row>div:last-child>div:after{
    content: '';
    position: absolute;
    right: -380px;
    top: 130px;
    width: 416px;
    height: 270px;
    background: url("../img/feed-4.png") no-repeat;
    background-position: left bottom;
    display: block;
}
.app-box{
    padding:260px 0 120px;
    width: 100%;
    float: left;
    position: relative;
}
.title-span{
    color:#333333;
    font-size: 34px;
    display: block;
    position: relative;
    text-align: center;
}
.title-span::before{
    content: '';
    position: absolute;
    width: 64px;
    height: 64px;
    background:url("../img/daocao.png") no-repeat center top;
    top:-64px;
    left: 50%;
    transform: translateX(-50%);
    -ms-transform:  translateX(-50%);
    -moz-transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -o-transform: translateX(-50%);
}
.title-span::after{
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background:#70ad47;
    left: 50%;
    bottom: -5px;
    margin-left: -20px;
}

.app-child{
    background: #f6f6f6;
    position: relative;
    width: 100%;
    padding: 70px 0 70px 20px;
}

.app-child > span{
    color:#333333;
    font-size: 18px;
    display: block;
    transition: all .3s;
}
.app-child > p{
    color:#888888;
    font-size: 12px;
    display: block;
    transition: all .3s;
}

.app-child > img {
    position: absolute;
    right: 0px;
    top: -30px;
    transition: all .6s;
}

.app-box .title-span{
    margin-bottom: 80px;
}
.app-child:hover span,.app-child:hover p{
    color:#70ad47
}
.app-child:hover img{
    transform: scale(1.1);
}

@media screen and (max-width: 1600px) {
    .introduce-box .row>div:first-child>div:before{
        background-size: 60%;
        left: -80px;
        top: 120px;
    }
    .introduce-box .row>div:last-child>div:after{
        background-size:60% ;
        right: -230px;
        top: 120px;
    }
}



@media screen and (max-width: 1200px) {
    .fei-child-box{
        padding-top: 80px;
    }
    .fei-child-box .title-span{
        font-size: 28px;
    }
    .fei-child-box > p{
        margin-top: 20px;
        line-height: 28px;
    }
    .app-child > img{
        width: 60%;
        top: 20px;
        right: 10px;
    }
    .app-box{
        padding-top: 200px;
    }
    .introduce-box .col-sm-6>div>p{
        font-size: 14px;
    }

}

@media screen and (max-width: 991px) {
    .introduce-box .row>div:last-child>div:after,
    .introduce-box .row>div:first-child>div:before{
        background-size: 30%;
    }
    .introduce-box .row>div:first-child>div:before {

        left: -20px;
        top: 80px;
    }
    .introduce-box .row>div:last-child>div:after {

        right: -310px;
        top: 80px;
    }
    .fei-child-box {
        width: 100%;
        padding-bottom: 60px;
    }

    .fei-child-box > p {
        line-height: 40px;
    }

    .fei-box {
        padding-top: 60px
    }
    .img-box {
        display: none;
    }
    .introduce-box .row>div:last-child .col-sm-6>div:after{
        right: -280px;
        bottom: -150px;
        background-size: 50%;
        top: auto;
    }
    .introduce-box .row>div:first-child .col-sm-6>div:before{
        left: -80px;
        bottom: -150px;
        background-size: 50%;
        top: auto;
    }
    .app-box{
        padding-top: 150px;
    }
    .app-box .title-span{
        margin-bottom: 50px;
    }
    .app-child > img{
        width: 70%;
        right: -20px;
    }
    .fei-box:after{
        width: 160px;
        height: 25px;
        bottom: -24px;
        margin-left: -80px;
    }
     .fei-box > .container:after{
        content: '';
        background: url("../img/2.png");
        width: 150px;
        height: 200px;
        background-size: cover;
        right: -20px;
        bottom: -100px;
    }
}

@media screen and (max-width: 767px){
    .introduce-box{
        background: url("../img/feedbg2.jpg");
    }
    .app-child > img{
        top: 10px;
    }
    .fei-box{
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .fei-child{
        border: 6px solid #fff6ea;
    }
    .title-span::before{
        width: 32px;
        height: 32px;
        background-size: cover;
        top:-32px;
    }

    .fei-child-box {
        padding-top: 60px;
        padding-left: 15px;
        padding-right: 15px;
        padding-bottom: 20px;
    }
    .fei-child-box .title-span{
        font-size: 22px;
    }
    .title-span::after{
        width: 30px;
        margin-left: -15px;
    }
    .banner-dw, .banner-dw > a{
        font-size: 12px;
    }
    .fei-child-box > p{
        font-size: 14px;
        line-height: 30px;
    }
    .fei-box > .container:after{
        content: '';
    }
    .fei-box > .container:after{
        content: '';
        width: 80px;
        height: 110px;
        right: -5px;
        bottom: -40px;
    }
    .introduce-box .row>div:first-child>div:before{
        left: 0px;
        top:-270px;
        background-size: 25%;
    }
    .introduce-box .row>div:last-child>div:after {
        right: -310px;
        top: 0;
        background-size: 25%;
    }
    .introduce-box .row>div:last-child {
        text-align: left;
    }
    .introduce-box .row>div:first-child >div > p{
        margin-bottom: 20px;
    }
    .introduce-box{
        padding:40px 0
    }
    .app-box{
        padding-top: 60px;
        padding-bottom: 80px;
    }
    .app-box .title-span{
        font-size: 22px;
    }
    .app-box .title-span{
        margin-bottom: 30px;
    }
    .app-child > img{
        width: 60%;
        right: 10px;
    }
    .app-child{
        margin-bottom: 20px;
    }
}