body{
    background-color: #fff;
}

.ban-text{
    position: absolute;
    top: 157px;
    left: 372px;
    color: #253554;
    display: none;
}
.ban-text p:nth-child(1){
    font-size: 36px;
    margin-bottom: 28px;
}
.ban-text p:nth-child(2){
    font-size: 15px;
    line-height: 34px;
    margin-bottom: 26px;
}
.ban-btns{
    margin-top: 20px;
}
.ban-btns div{
    float: left;
    width: 167px;
    height: 50px;
    line-height: 50px;
    margin-right: 13px;
    font-size: 20px;
    background-color: #fff;
    transition: .2s;
    -webkit-transition: .2s;
    -moz-transition: .2s;
}
.ban-btns div:nth-child(1){text-align: center;}
.ban-btns div a,.box3-btn a{display: inline-block;width: 100%;height: 100%;}
.ban-btns div a{color: #253554;}
.ban-btns div a i{
    font-size: 26px;
    color: #206BE6;
    float: left;
    margin: 0 8px 0 21px;
}
.ban-btns div:hover{
    background-color: #206BE6;
}
.ban-btns div:hover a{color: #fff;}
.ban-btns div:hover a i{color: #fff;}

.box1-tit{
    margin: 75px auto 25px;
}
.tits{
    font-size: 28px;
    font-weight: bold;
    color: #253554;
    text-align: center;
}
.box1-main{
    width: 1393px;
    margin: 0 auto;
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.box1-main>div{
    width: 450px;
    height: 238px;
    background: url(../images/pro_box1_bg.png) no-repeat;
    position: relative;
    margin-bottom: 17px;
    cursor: pointer;
}
.box1-main>div:hover .box1-img img{
    transform: scale(.9);
    -webkit-transform: scale(.9);
    -moz-transform: scale(.9);
}
.box1-img{
    position: absolute;
    left: 10px;
    bottom: 17px;
}
.box1-img img{
    transition: .2s;
    -webkit-transition: .2s;
    -moz-transition: .2s;
}
.box1-text{
    position: absolute;
    top: 75px;
    left: 192px;
    color: #253554;
}
.box1-text p:nth-child(1){
    font-size: 20px;
    margin-bottom: 36px;
    /* font-weight: 600; */
}
.box1-text p:nth-child(2){
    font-size: 15px;
    line-height: 28px;
}

.box2{
    padding-bottom: 20px;
}
.box2-tit{
    margin-top: 36px;
}

.box3{
    height: 207px;
    text-align: center;
    background: url(../images/product_box3_bg.jpg) no-repeat;
    overflow: hidden;
}
.box3-text{
    margin: 57px auto 40px;
    color: #fff;
    font-size: 20px;
}
.box3-btn{
    margin: 0 auto;
    width: 165px;
    height: 40px;
    line-height: 40px;
    border: 1px solid rgba(255,255,255,.29);
    transition: .2s;
    -webkit-transition: .2s;
    -moz-transition: .2s;
}
.box3-btn:hover{
    background-color: #fff;
}
.box3-btn a{color: #fff;}
.box3-btn:hover a{color: #1D1E28;}

.box4{
    height: 387px;
    background-color: #fff;
}
.box4-tit{
    margin: 66px auto 35px;
}
.box4-main{
    width: 1345px;
    margin: 0 auto;
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.box4-main>div{
    width: 306px;
    height: 190px;
    background-color: #fff;
    color: #253554;
    box-shadow: RGBA(117, 117, 117,.28) 0 1px 8px 0;
    transition: .2s;
    -webkit-transition: .2s;
    -moz-transition: .2s;
    cursor: pointer;
}
.box4-main>div:hover{
    box-shadow: RGBA(37, 53, 84,.28) 0 1px 10px 0;
}
.box4-main>div p:nth-child(1){
    font-size: 20px;
    margin: 33px 0 5px 32px;
}
.box4-main>div p:nth-child(2){
    font-size: 15px;
    margin-left: 32px;
    line-height: 36px;
}