.banner{
    width: 100%;
    height: 450px;
    background: url("../rongyida_files/banner2.jpg") 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:800px;
}


.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{
    overflow: hidden;
}
.problem-ul ul li{
    float: left;
    width:284px ;
    height: 108px;
    font-size:20px ;
    color:#666666 ;
    line-height: 36px;
    padding-left: 130px;
    text-align: left;
    background-image: url("../rongyida_files/problea2.png");
    background-repeat: no-repeat;
    background-position: 0 center;
    margin:  50px 8px 0 8px;
    margin-top: 50px;
}
.problem-ul ul li:nth-child(2){
    background-image: url("../rongyida_files/probleb2.png");
}
.problem-ul ul li:nth-child(3){
    background-image: url("../rongyida_files/problec2.png");
}
.problem-ul ul li:nth-child(4){
    background-image: url("../rongyida_files/probled2.png");
}
.problem-ul ul li:nth-child(5){
    background-image: url("../rongyida_files/problee.png");
}
.problem-ul ul li:nth-child(6){
    background-image: url("../rongyida_files/problef.png");
}
.problem-ul ul li:nth-child(7){
    background-image: url("../rongyida_files/probleg.png");
}
.problem-ul ul li:nth-child(8){
    background-image: url("../rongyida_files/probleh.png");
}

.adve{
    width: 100%;
    height: 200px;
    background: url("../rongyida_files/adv.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 p{
    font-size:24px ;
    color: #ffffff;
    padding: 0 280px 0 20px;
}
.adv-left p span{
    font-size:30px ;
    color: #f25366;
}
.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;
}
.sercon{
    width: 100%;
    background: #f5f5f5;
}
.sercon-cont{
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 100px 0;
}
.sercon-img{
    padding-top:90px ;
}

.service{
    width: 100%;
    height: 1594px;
    background: url("../rongyida_files/serverback.png") no-repeat;
    background-position: center;
    background-size: cover;
}
.service-con{
    width: 1200px;
    margin: 0 auto;
}
.service-con h4{
    font-size:36px ;
    color:#ffffff ;
    padding: 80px 0;
    text-align: center;
    font-weight: 500;
}
.server-txt{
    width: 100%;
    overflow: hidden;
    margin-bottom: 40px;
}
.server-left{
    float: left;
    text-align: center;
    width: 284px;
    height: 578px;
    background: #f25366;
    padding-top: 154px;
}
.server-left h2{
    font-size:28px ;
    color: #ffffff;
    padding: 24px 0 12px 0;
}
.server-left p{
    font-size: 16px;
    color: #ffffff;
}
.server-mid{
    float: left;
    width: 570px;
    height:578px ;
    padding: 20px;
    background: #eeeeee;
}
.server-mid ul li{
    position: relative;
    background: #ffffff;
    height:92px;
    margin-bottom: 20px;
    padding:15px;
}
.server-mid ul li:last-child{
    margin-bottom:0;
}
.server-mid ul li h3{
    font-size: 16px;
    color: #666666;
    padding-bottom: 10px;
}
.server-mid ul li p{
    font-size: 12px;
    color: #999999;
    padding-right: 220px;
}
.server-mid ul li a{
    display: block;
    position: absolute;
    height: 38px;
    width: 110px;
    text-align: center;
    line-height:34px;
    border: 2px solid #999999;
    color: #999999;
    top: 50%;
    right: 18px;
    transform: translateY(-50%);
}
.server-mid ul li a:hover{
    border: 2px solid #f25366;
    color: #f25366;
}
.server-right{
    float: left;
    position: relative;
    width:346px;
    height: 578px;
    background: #999999;
    padding: 0 28px;
}
.server-right-txt{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}
.server-right-txt p{
    font-size: 14px;
    color: #ffffff;
    line-height: 48px;
    padding-right: 28px;
}



.match{
    width: 100%;
    background: #f5f5f5;
}
.match-con{
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 100px 0;
}
.match-img{
    padding-top: 90px;
}

.case{
    width: 100%;
    height: 740px;
    background: url("../rongyida_files/caseback.png") no-repeat;
    background-position: center;
    background-size: cover;
}
.case-con{
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 70px 0;
}
.case-con .problem-top h2{
   color: #ffffff;
}
.case-banner{
    width: 100%;
    margin-top: 70px;
}

.promiss{
    width: 100%;
    background: #f5f5f5;
}
.promiss-con,.cooper-con{
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 110px;
}
.promiss-ul ul{
    display: flex;
    justify-content: space-between;
    margin-top: 90px;
}
.promiss-ul ul li{
    width: 384px;
    height: 108px;
    text-align: left;
    background-image: url("../rongyida_files/promissa.png");
    background-repeat: no-repeat;
    background-position: 0 center ;
    padding-left: 118px;
}
.promiss-ul ul li:nth-child(2){
    background-image: url("../rongyida_files/promissb.png");
}
.promiss-ul ul li:nth-child(3){
    background-image: url("../rongyida_files/promissc.png");
}
.promiss-ul ul li h3{
    font-size: 24px;
    color: #e72d44;
}
.promiss-ul ul li p{
    margin-top: 6px;
    font-size: 18px;
    color: #666666;
}
.cooper-ul{
    padding: 80px 0 120px 0;
}
.cooper-ul ul{
    display: flex;
    justify-content: space-around;
    padding:  0 150px;
    background: url("../rongyida_files/cooperback.png") no-repeat;
    background-position: center;
}
.cooper-ul ul li{
    height: 210px;
    text-align: center;
}
.cooper-ul ul p{
    color: #666666;
    font-size: 24px;
}
.cooper-ul ul li:nth-child(2) img,.cooper-ul ul li:nth-child(4) img{
    padding-top: 60px;
    padding-bottom: 20px;
}
.cooper-ul ul li:nth-child(3) p,.cooper-ul ul li:nth-child(5) p{
    padding-bottom: 30px;
}