.banner{
    width: 100%;
    height: 450px;
    background: url("../rongyida_files/bannerback.png") no-repeat;
    background-position: center;
    background-size: cover;
}
.banner-cont{
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}
.banner-cont a{
    display: block;
    width: 184px;
    height: 56px;
    font-size: 24px;
    color: #ffffff;
    text-align: center;
    background-color: #e72d44;
    border-bottom: 3px solid #c1041b;
    line-height: 53px;
    border-radius: 5px;
    margin-top: 306px;
    margin-left:700px;
}
.problem{
    width: 100%;
    background-color: #f5f5f5;
}
.problem-cont{
    padding-top: 110px;
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-bottom: 116px;
}
.problem-top h3{
    font-size: 36px;
    padding-bottom: 24px;
}
.problem-top p{
    font-size: 18px;
    color: #666666;
    padding-bottom: 34px;
}
.problem-ul ul{
    display: flex;
    justify-content: space-around;
    padding: 80px 0 0 0;
}
.problem-ul ul li{
    width: 210px;
    text-align: center;
}
.problem-ul ul li p{
    font-size: 24px;
    line-height: 44px;
}



.adve{
    width: 100%;
    height: 200px;
    background: url("../rongyida_files/advback.png") no-repeat;
    background-position: center;
    background-size: cover;
}
.adve-cont{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}
.adv-left,.adv-right{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}
.adv-left h2{
    font-size:28px ;
    color: #ffffff;
    padding: 0 0px 0 500px;
}
.adv-left p{
    font-size:18px ;
    line-height:40px;
    color: #f25366;
    padding: 10px 0px 0 580px;
    background: url("../rongyida_files/phone.png") no-repeat;
    background-position: 540px bottom;
}
.adv-right a{
    display: block;
    width: 164px;
    height: 42px;
    background: #f25366;
    color: #ffffff;
    font-size:16px;
    text-align: center;
    border-bottom: 3px solid #c1041b;
    line-height: 39px;
    border-radius: 4px;
    margin-left: 970px;
}


.howdo{
    width: 100%;
    background: #f5f5f5;
}
.howdo-cont{
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 110px 0;
}
.howdo-cont .problem-top h3{
    padding-bottom: 10px;
}
.howdo-img{
    padding-top: 54px;
}
.howdo-img p{
    font-size: 24px;
    color: #666666;
    padding-top: 56px;
}
.howdo-img p span{
    font-size: 24px;
    color: #f25366;
}


.reason,.data{
    width: 100%;
    background: #ffffff;
}
.reason-cont,.data-cont{
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 64px 0 118px;
}
.reason-cont-ul{
    display: flex;
    justify-content: space-around;
    padding-top: 112px;
}
.reason-cont-ul>div{
    padding-bottom:20px;
    box-shadow:0 0 10px rgba(0,0,0,0.5);
}
.reason-cont-ul h3{
    font-size: 28px;
}
.reason-cont-ul h3 span{
    font-size: 28px;
    color: #f25366;
}
.reason-cont-ul p{
    font-size: 18px;
    color: #666666;
    line-height: 30px;
}
.lasth{
    padding-top: 24px;
}
.lastp{
    padding-top:30px ;
}

.data{
    height: 1034px;
    background:url("../rongyida_files/databack.png") no-repeat;
    background-position: center;
    background-size: cover;
}
.data .problem-top h3{
    color: #ffffff;
}
.data-img{
    width: 100%;
    text-align: center;
    padding-top: 94px;
}
.process{
    width: 100%;
    background: #f5f5f5;
}
.process-cont{
    width: 1200px;
    margin: 0 auto;
    padding: 118px 0 110px 0;
    text-align: center;
}
.process-img{
    padding-top: 106px;
    text-align: center;
}