.box1{
    background: url(../../assets/banner14.png) no-repeat;
    background-size: 100% 100%;
    height: 640px;
    padding-top: 144px;
    color: #fff;
}
.box1-title1{
    font-size: 48px;
    font-weight: bold;
}
.box1-title2{
    font-size: 36px;
    margin-top: 25px;
}
.box1-btn{
    width: 160px;
    height: 48px;
    line-height: 48px;
    border-radius:24px ;
    color:rgba(0,101,255,1);
    background-color: #fff;
    font-size: 24px;
    text-align: center;
    margin-top: 165px;
}

.box2{
    padding:77px 0 79px;
}

.distribute-title{
    font-size: 48px;
    color: #3C4268;
}
.distribute-title2{
    font-size: 28px;
    color: #70769D;
}
.distribute-title3{
    font-size: 24px;
    color: #3C4268;
}
.distribute-title4{
    font-size: 36px;
    color: #3C4268;
}
.distribute-title5{
    font-size: 24px;
    color: #70769D;
    margin: 27px 0 70px;
}

.box2-content{
    margin-top: 91px;
}

.box2-content-right{
    font-size: 18px;
    color: #70769D;
    margin-left: 138px;
}

.box3{
    padding: 84px 0 33px;
    background-color: #F7F9FC;
}
.box3-content{
    margin-top: 43px;
}

.box3-content-word{
    font-size: 18px;
    color: #70769D;
}

.box3-content-item{
    margin-right: 181px;
    position: relative;
}

.box3-content-item::before{
    content: '';
    position: absolute;
    right: -90px;
    top: 65px;
    height: 340px;
    width: 1px;
    background-color: #D1E6FF;
}

.box4{
    padding: 63px 0 109px;
}
.box4-nav,
.box4-nav2{
    width: 80px;
    height: 160px;
    border-radius: 20px;
    font-size: 24px;
    color: #fff;
    writing-mode: vertical-lr;
    text-align: center;
    line-height: 80px;
    margin-right: 84px;
}
.box4-nav{
    background-color: #0066FF;
}
.box4-nav2{
    background-color: #21B3FF;
}

.box4-step,
.box4-step2{
    width: 180px;
    height: 140px;
    font-size: 14px;
    color: #3C4268;
    border-radius: 20px;
}
.box4-step{
    background-color: #F3F7FF;
}
.box4-step2{
    background-color: #F5FBFF;
}

.box4-step >img{
    margin-bottom: 10px;
}
.box4-icon{
    margin: 0 28px;
}