*{
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}
body{
    background-image: url(../../img/special-topic/bg.jpg);
    background-repeat: no-repeat;
}
.warp{
    width: 1200px;
    margin: 270px auto 0 auto;
}
.btn{
    display: inline-block;
    width: 200px;
    height: 56px;
    line-height: 56px;
    margin-top: 15px;
    text-align: center;
    color: #fff;
    border-radius: 56px;
    font-size: 22px;
    font-weight: bold;
    text-decoration: none;
    background: rgb(253,180,52);
    background: linear-gradient(180deg, rgba(253,180,52,1) 0%, rgba(254,140,103,1) 100%);
}
.btn + .block{
    margin-top: 200px;
}
.header{
    width: 640px;
    color: #fff;
    font-size: 22px;
    line-height: 1.8;
}
.block{
    margin-bottom: 55px;
}
.block-title{
    color: #252942;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    margin-bottom:40px;
}
.block-title P{
    position: relative;
    display: inline-block;
}
.block-title p::before,
.block-title p::after{
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-color: #52c4ff;
    border-radius: 100%;
    position: absolute;
    top: 50%;
    margin-top: -8px;
}
.block-title p::before{
    left: -20px;
}
.block-title p::after{
    right: -20px;
}
.block-title-hint{
    width: 50%;
    margin: 0 auto;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    line-height: 27px;
    margin-bottom: 30px;
}
.block-title-sub{
    width: 80%;
    margin: 0 auto;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    line-height: 36px;
}

.ct1 dl{
    display: flex;
    justify-content: space-between;
}
.ct1 dd{
    padding: 15px;
    width: 280px;
    border: 4px solid transparent;
}
.ct1 .num{
    font-size: 24px;
    padding-bottom: 5px;
    font-weight: bold;
    border-bottom: 1px solid #efefef;
}
.ct1 .text{
    padding-top: 10px;
    font-size: 16px;
    line-height: 1.6;
}
.ct1 dd:nth-child(odd){
    border-color:  #2b6bef;
}
.ct1 dd:nth-child(odd) .num{
    color: #2b6bef;
}

.ct1 dd:nth-child(even){
    background-color: #2b6bef;
}
.ct1 dd:nth-child(even) .num{
    color: #fff;
}
.ct1 dd:nth-child(even) .text{
    color: #fff;
}
.ct2{
    width: 80%;
    margin: 0 auto;
    font-size: 16px;
    line-height: 36px;
}
.ct3{
    width: 80%;
    margin: 0 auto;
    font-size: 16px;
    line-height: 36px;
}
.ct3 .box{
    box-shadow: 0 0 5px 5px #efefef;
    margin-bottom: 10px;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    padding-left: 50px;
}
.ct3 .box::before{
    width: 40px;
    font-size: 18px;
    font-weight:bold;
    text-align: center;
    display: block;
    padding: 15px 10px;
    text-align: center;
    box-sizing: border-box;
    line-height: 27px;
    color: #fff;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
}
.ct3 .box:nth-child(1):before{content: '第一步';  background-color: #2a6bef;}
.ct3 .box:nth-child(2):before{content: '第二步';padding: 50px 10px;background-color: #3db8ff;}
.ct3 .box:nth-child(3):before{content: '第三步';padding: 30px 10px;    background-color: #2a6bef;}
.ct3 .box:nth-child(4):before{content: '第四步';background-color: #3db8ff;}
.ct3 .box:nth-child(5):before{content: '第五步';    background-color: #2a6bef;}
.ct3 .box .title{
    font-size: 18px;
    color: #2a6bef;
    font-weight: bold;
}
.ct3 .box .text{
    padding-right: 10px;
}
.ct4{
    width: 80%;
    margin: 0 auto;
    font-size: 16px;
    line-height: 36px;
}
.ct4 .subtitle{
    font-size: 20px;
    color: #114cc4;
    text-align: center;
    font-weight: bold;
    margin: 15px 0;
}
.ct4  p{
    font-size: 16px ;
    line-height: 36px;
}
.ct5  {
    text-align: center;
    padding-bottom: 30px;
}