*{margin: 0;padding: 0}
 html {font-size: 62.5% }

 .img-title{
     width:93.9%;
     margin:4% auto 5.3%;
 }
 .img{
     width: 100%;
 }
 .content{
     font-family: PingFang-SC-Regular;
     font-size: 1.4rem;
     color: #474F4F;
     letter-spacing: 1px;
     width: 89.3%;
     margin:0 auto;
 }
 .content-blue{
     font-family: PingFang-SC-Regular;
     font-size: 1.3rem;
     color: #4168A3;
     letter-spacing: 0.93px;
     width: 89.3%;
     margin:2.7% auto 8%;
 }

 .line{
     width: 89.3%;
     margin: 0 auto;
     border-top: 2px dashed #A5B9AC;
 }
 .title{
     font-family: PingFang-SC-Medium;
     font-size: 1.7rem;
     color: #373D47;
     letter-spacing: 1.21px;
     margin: 8% auto 2.7%;
     text-align: center;
 }
 .title-content{
     font-family: PingFang-SC-Regular;
     font-size: 1.4rem;
     color: #474F4F;
     letter-spacing: 1px;
     text-align: center;
 }
 .load{
     background: #4E8CEB;
     border-radius: 100px;
     width: 42.4%;
     font-family: PingFang-SC-Regular;
     font-size: 1.8rem;
     color: #FFFFFF;
     letter-spacing: 1.05px;
     text-align: center;
     margin: 7.5% auto 15.2%;
     padding-top:2.7% ;
     padding-bottom:2.7% ;
 }
 .load a{
     text-decoration: none;
     color: #FFFFFF;
 }
 .div-title{

    margin: 11.5% auto 3.7%;
     text-align: center;
 }
 .span-left{
     display: inline-block;
     width: 5.333%;
     text-align: center;
     border-radius: 50%;
     background: #4E8CEB;
     font-family: PingFang-SC-Regular;
     font-size: 1.5rem;
     color: #FFFFFF;
     letter-spacing: -0.38px;
 }
 .span-right{
     margin-left: 2.13%;
     font-family: PingFang-SC-Regular;
     font-size: 1.5rem;
     color: #666666;
     letter-spacing: 0.87px;
 }
 .div-img{
    width:65.6%;
     margin:0 auto;
 }
 .title-margin{
     margin-top:12%;
     margin-bottom:10.7%;
 }
 .div-bottom{
     font-family: PingFang-SC-Regular;
     font-size: 1.6rem;
     color: #474F4F;
     letter-spacing: 0;
     line-height: 2.9rem;
     margin: 8% auto 0;
     width: 85.3%;
 }
 .div-example{
     margin-top: 1.3%;
     margin-left: 7.5%;
     font-family: PingFang-SC-Regular;
     font-size: 1.6rem;
     color: #A6A7A6;
     letter-spacing: 0;
     line-height: 2.9rem;
 }
.div-example a{
    color: #4168A3
;
}