@media screen and (min-device-width:751px){
    .fixed-menu{
        position: fixed;
        top: 230px;
        background: #F8F8F8;
        z-index: 100;
    }
    .swiper {
        width: 100%;
        height: 755px;
        position: relative;
    }

    .swiper-slide {
        display: flex;
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        -webkit-justify-content: center;
        justify-content: center;
        -webkit-box-align: center;
        -ms-flex-align: center;
        -webkit-align-items: center;
        align-items: center;
    }

    .swiper-slide img {
        display: block;
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    .lunbo-bot-box{
        width: 100%;
        position: absolute;
        top:31%;
        left: 0;
    }
    .lunbo-bot .swiper-pagination-bullet{
        width: 11px;
        height: 32px;
        border-radius: 0%;
        -webkit-border-radius: 0%;
        -moz-border-radius: 0%;
        -ms-border-radius: 0%;
        -o-border-radius: 0%;
        background: #ffffff;
    }
    .banner-text-box{
        position: absolute;
        bottom: 30px;
        width: 100%;
    }
    .banner-text-box-body{
        display: flex;
    }
    .banner-text-box-text{
        width: 1230px;
        height: 200px;
        margin-left: 170px;
        display: flex;
        justify-content: space-around;
        background: rgba(255, 255, 255, .7);
        border-radius: 26px;
        -webkit-border-radius: 26px;
        -moz-border-radius: 26px;
        -ms-border-radius: 26px;
        -o-border-radius: 26px;
    }
    .banner-text-box-item{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        height: 200px;
        color: #333333;
    }
    .banner-text-box-item-number{
        display: flex;
        align-items: flex-start;
        font-size: 40px;
    }
    .banner-text-box-item-number .add_icon{
        font-size: 30px;
        margin-top: -15px;
    }
    .banner-text-box-item-title{
        font-size: 22px;
    }

    .design{
        background: #F8F8F8;
        padding-top: 80px;
        padding-bottom: 55px;
    }
    .content-box{
    width: 100%;
    }
    .content-box-row{
        display: flex;
        color: #333333;
        font-size: 14px;
        align-items: center;
    }
    .content-box-row-item{
        height: 30px;
        line-height: 30px;
        margin-right: 45px;
        margin-bottom: 15px;
    }
    .content-box-row-item:hover{
        width: 55px;
        height: 30px;
        text-align: center;
        line-height: 30px;
        color: #ffffff;
        background: #E54545;
        border-radius: 15px;
        -webkit-border-radius: 15px;
        -moz-border-radius: 15px;
        -ms-border-radius: 15px;
        -o-border-radius: 15px;
    }
    .content-box-row3{
        width: 100%;
        border-bottom: 1px solid #484848;
        display: flex;
        align-items: center;
        margin-top: 45px;
        justify-content: space-between;
        padding-bottom: 10px;
    }
    .content-box-row3-left{
        width: 700px;
        display: flex;
        padding-left: 15px;
    }
    .content-box-row3-item{
        margin-right: 110px;
        font-size: 14px;
        color: #333333;
        position: relative;
    }
    .content-box-row3-left .active::after {
        content: "";
        width: 60px;
        position: absolute;
        left: 50%;
        bottom: -10px;
        margin-left: -30px;
        border-width: 0 0 5px;
        border-style: solid;
        border-color: #DD251D;
        border-radius: 4px;
        -webkit-border-radius: 4px;
        -moz-border-radius: 4px;
        -ms-border-radius: 4px;
        -o-border-radius: 4px;
    }
    .search-input-box{
        width:260px;
        height: 35px;
        position: relative;
    }
    .search-input-box input{
        width:230px;
        height: 35px;
        border-radius: 20px;
        -webkit-border-radius: 20px;
        -moz-border-radius: 20px;
        -ms-border-radius: 20px;
        -o-border-radius: 20px;
        background: #ECECEC;
        border: none;
        outline: none;
        padding-left: 30px;
    }
    .search-input-box .search-img{
        position: absolute;
        left: 225px;
        top: 8px;
    }
    .content-box-row4{
        margin-top: 40px;
    }
    .content-box-row4-body{
        width: 1085px;
        margin: 0 auto;
    }
    .content-box-row4-body-title{
        font-size: 26px;
        color: #333333;
        text-align: center;
    }
    .content-box-row4-body-step{
        width: 100%;
        position: relative;
        margin-top: 40px;
    }
    .content-box-row4-body-step-text{
        width: 100%;
        position: absolute;
        top: 0;
        left: 0;
    }
    .step-text-body{
        width: 475px;
        margin:auto;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        height: 460px;
    }
    .text1{
        color: #303030;
        font-size: 45px;
    }
    .text2{
        color: #8A8A8A;
        font-size: 14px;
        margin: 8px auto;
    }
    .text3{
        color: #666666;
        font-size: 16px;
    }
    .content-box-row5{
        margin-top: 100px;
    }
    .content-box-row5-problem{
        width: 745px;
        margin: 0 auto;
    }
    .content-box-row5-title{
        color: #333333;
        font-size: 28px;
        text-align: center;
        margin-bottom: 35px;
    }
    .problem-box{
        width: 100%;
    }
    .problem-box-item{
        display: flex;
    flex-direction: column;
    }
    .problem-box-item-box{
        padding-left: 45px;
        padding-right: 30px;
        background: #ffffff;
        border: 1px solid #F8F8F8;
        height: 45px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #3a76db;
        font-size: 20px;
        font-weight: bold;
    }
    .answer{
        padding-left: 45px;
        padding-right: 30px;
        color: #fff;
        background: #3a76db;
        font-size: 16px;
        padding-top: 10px;
        padding-bottom: 25px;
        display: none;
    }
    .show_expand{
        display: block;
    }
    .step-img-m{
        display: none;
    }
}
@media screen and (min-device-width:300px) and (max-device-width:750px){
    .lunbo-box,.search-input-box,.step-img,.foot-box{
        display: none;
    }
    .content-box{
        width: 100%;
    }
    .content-box-row{
        display: flex;
        color: #333333;
        font-size: .23rem;
        align-items: center;
        flex-wrap: wrap;
    }
    .content-box-row-item{
        height: .5rem;
        line-height: .5rem;
        margin-right: .2rem;
        margin-bottom: .2rem;
    }
    .content-box-row-item-active{
        padding: 0px .2rem;
        height: .5rem;
        text-align: center;
        line-height: .5rem;
        color: #ffffff;
        background: #E54545;
        border-radius: .28rem;
        -webkit-border-radius: .28rem;
        -moz-border-radius: .28rem;
        -ms-border-radius: .28rem;
        -o-border-radius: .28rem;
    }
    .content-box-row3{
        width: 100%;
        border-bottom: 2px solid #484848;
        margin-top: .6rem;
        padding-bottom: .3rem;
    }
    .content-box-row3-left{
        width: 6.5rem;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
    }
    .content-box-row3-item{
        font-size: .23rem;
        color: #333333;
        position: relative;
    }
    .content-box-row3-left .active::after {
        content: "";
        width: 1.07rem;
        position: absolute;
        left: 50%;
        bottom: -0.35rem;
        margin-left: -0.55rem;
        border-width: 0 0 .1rem;
        border-style: solid;
        border-color: #DD251D;
        border-radius: 5px;
        -webkit-border-radius: 5px;
        -moz-border-radius: 5px;
        -ms-border-radius: 5px;
        -o-border-radius: 5px;
    }
    .content-box-row4{
        margin-top: .5rem;
    }
    .content-box-row4-body{
        width: 100%;
    }
    .content-box-row4-body-title{
        font-size: .32rem;
        color: #333333;
        text-align: center;
    }
    .step-img-m{
        width: 100%;
    }
    .content-box-row4-body-step{
        width: 100%;
        position: relative;
        margin-top: 2rem;
    }
    .content-box-row4-body-step-text{
        width: 100%;
        position: absolute;
        top: -1.9rem;
        left: 0;
    }
    .step-text-body{
        width: 100%;
        margin:auto;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .text1{
        color: #303030;
        font-size: .54rem;
    }
    .text2{
        color: #8A8A8A;
        font-size: .16rem;
        margin: .1rem auto;
    }
    .text3{
        color: #666666;
        font-size: .21rem;
    }
    .content-box-row5{
        margin-top: .8rem;
        padding-bottom: .5rem;
    }
    .content-box-row5-problem{
        width: 100%;
    }
    .content-box-row5-title{
        color: #333333;
        font-size: .35rem;
        margin-bottom: .25rem;
    }
    .problem-box{
        width: 100%;
    }
    .problem-box-item{
        display: flex;
        flex-direction: column;
    }
    .problem-box-item-box{
        padding:0 0.15rem;
        background: #F5F5F5;
        border: 1px solid #ffffff;
        height: .8rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #3a76db;
        font-size: .26rem;
    }
    .expand-icon img{
        width: .45rem;
        height: .45rem;
    }
    .answer{
        color: #fff;
        background: #3a76db;
        font-size: .23rem;
        padding-top: .1rem;
        padding-bottom: .25rem;
        display: none;
        padding-left: .1rem;
        padding-right: .1rem;
    }
    .show_expand{
        display: block;
    }
}