@media screen and (min-width : 750px) {
    *{
        margin: 0;
        padding: 0;
        font-family: Arial,Helvetica,sans-serif;
    }

    body{
        margin: 0;
    }

    .header{
        display: flex;
        width: 100%;
        height: 339px;
        flex-direction: row;
        align-items: center;
        justify-content: center;
    }

    .img{
        width: 40%;
        max-width: 400px;
        height: 207px;
    }
    
    .main{
        width: 100%;
        height: 580px;
        display: flex;
        flex-direction: column;
        /* border: 2px solid red; */
    }

    .mainhead{
        width: 160px;
        height: 50px;
        font-size: 36px;
        font-weight: 500;
        color: #000000;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        /* border: 2px solid yellow; */
        margin: 86px auto;
    }


    .content{
        width: 100%;
        height: 300px;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        /* border: 2px solid black; */
    }

    .box{
        width: 20%;
        height: auto;
        max-width: 186px;
        display: flex;
        margin-right: 5%;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: #FFFFFF;
        box-shadow: 0px 2px 10px 0px rgba(127,127,127,0.3800);
        border-radius: 10px;
        /* border: 2px solid gold; */
    }

    .box1{
        width: 20%;
        height: auto;
        max-width: 186px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: #FFFFFF;
        box-shadow: 0px 2px 10px 0px rgba(127,127,127,0.3800);
        border-radius: 10px;
        /* border: 2px solid gold; */
    }

    .box3{
        width: 55%;
        height: 300px;
        max-width: 620px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        /* border: 2px solid red; */
    }

    .text4{
        width: 100%;
        height: 39px;
        font-size: 1.5rem;
        /* margin-top: 53px; */
        text-align: center;
        font-family: Arial,Helvetica,sans-serif;
        font-weight: bold;
        color: #FEFEFE;
    }

    .box3 .box4{
        width: 100%;
        height: auto;
        /* border: 2px solid red; */
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .text6{
        margin-left: 11px;
        font-size: 34px;
        font-weight: 500;
        color: #FEFEFE;
    }

    .text5{
        width: 100%;
        height: 23px;
        font-size: 1.2rem;
        margin-top: 29px;
        min-width: 446px;
        text-align: center;
        font-weight: 400;
        color: #FEFEFE;
    }

    .imgone{
        width: 40%;
        height: 40%;    
        margin-top: 15%;   
    }

    .btn{
        width: 70%;
        height: 50px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: #ffffff;
        background: #00A2FF;
        border-radius: 10px;
        margin-bottom: 15%;
    }

    .text{
        width: 100%;
        height: auto;
        font-size: 1.2rem;
        text-align: center;
        margin: 5% 0;
        font-weight: 500;
        color: #333333;
    }

    .footer{
        width: 100%;
        height: 50px;
        display: flex;
        justify-content: center;
        align-items: center;
        background: #2F313A;
    }

    .texttwo{
        text-align: center;
        width: 70%;
        height: 16px;
        max-width: 480px;
        font-size: 14px;
        font-weight: 400;
        color: #FEFEFE;
        /* border: 2px solid white; */
    }

    .a{
        text-align: center;
        font-size: 14px;
        font-weight: 400;
        text-decoration: none;
        color: #FEFEFE;
    }

    .a:hover{
        color: #82848a;
    }
}


@media screen and (max-width:750px) {
    body{
        margin: 0;
    }
    .header{
        width: 100%;
        height: 300px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background-image: url(./img/bg-blue-small.png);
    }

    .box3{
        width: 100%;
        height: 50%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        /* border: 2px solid gold; */
    }

    .box4{
        width: 100%;
        height: auto;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        /* border: 1px solid green; */
    }

    .text6{
        margin-left: 8px;
        font-size: 28px;
        font-weight: 500;
        color: #FEFEFE;
    }

    .text4{
        width: 100%;
        height: 28px;
        font-size: 1.5rem;
        text-align: center;
        margin: 1% 0;
        font-weight: bold;
        color: #FEFEFE;
        /* border: 1px solid whitesmoke; */
    }

    .text5{
        width: 100%;
        height: 23px;
        text-align: center;
        font-size: 1.2rem;
        margin-top: 2%;
        font-weight: 400;
        color: #FEFEFE;
        /* border: 1px solid black; */
    }

    .img{
        width: 100%;
        height: 50%;
        max-width: 450px;
        /* border: 2px solid red; */
    }

    .main{
        width: 100%;
        /* height: 580px; */
        display: flex;
        flex-direction: column;
        /* border: 2px solid red; */
    }

    .mainhead{
        width: 100%;
        /* height: 60px; */
        font-size: 1.5rem;
        font-weight: 500;
        color: #000000;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        /* border: 2px solid yellow; */
        margin: 8px auto;
    }

    .box5{
        width: 54px;
        height: 4px;
        margin-top: 10px;
        background: #00A2FF;
    }

    /* 适配375的要清浮动 */
    .content{
        width: 80%;
        height: 480px;
        max-width: 520px;
        margin: 0 auto;
        display: flex;
        /* flex-direction: row; */
        flex-wrap: wrap;
        justify-content: space-evenly;
        /* justify-content: space-between; */
        /* align-items: center; */
        /* border: 2px solid black; */
    }

    .box{
        width: 175px;
        height: 220px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background: #FFFFFF;
        box-shadow: 0px 2px 10px 0px rgba(127,127,127,0.3800);
        border-radius: 10px;
    }

    .box1{
        width: 175px;
        height: 220px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background: #FFFFFF;
        box-shadow: 0px 2px 10px 0px rgba(127,127,127,0.3800);
        border-radius: 10px;
    }

    .imgone{
        width: 60px;
        height: 60px;
    }

    .text{
        width: 130px;
        height: 20px;
        text-align: center;
        font-size: 15px;
        margin-top: 20px;
        font-weight: 600;
        color: #333333;
    }

    .btn{
        width: 115px;
        height: 35px;
        font-size: 15px;
        margin-top: 30px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: #ffffff;
        background: #00A2FF;
        border-radius: 6px;
    }

    .footer{
        width: 100%;
        height: 50px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background: #2F313A;
    }

    .texttwo{
        text-align: center;
        width: 100%;
        height: 16px;
        font-size: 14px;
        font-weight: 400;
        color: #FEFEFE;
        /* border: 2px solid white; */
    }

    .a{
        text-align: center;
        font-size: 14px;
        text-decoration: none;
        font-weight: 400;
        color: #FEFEFE;
    }

    .a:hover{
        color: #82848a;
    }
}


@media screen and (min-width:375px) and (max-width:539px){
    body{
        margin: 0;
    }
    .main{
        width: 100%;
        /* height: 580px; */
        display: block;
        /* border: 2px solid black; */
    }

    .content{
        width: 100%;
        height: 480px;
        max-width: 520px;
        display: flex;
        margin: 0px auto;
        /* border: 2px solid black; */
    }

    .text4{
        width: 340px;
        height: 28px;
        font-size: 22px;
        margin-top: 10px;
        font-weight: bold;
        color: #FEFEFE;
        /* border: 1px solid whitesmoke; */
    }

    .text5{
        width: 350px;
        height: 23px;
        font-size: 15px;
        margin-top: 8px;
        font-weight: 400;
        color: #FEFEFE;
        /* border: 1px solid black; */
    }

    .texttwo{
        width: 375px;
        height: 16px;
        font-size: 12px;
        font-weight: 400;
        color: #FEFEFE;
    }
}

@media screen and (max-width:375px) {
    body{
        margin: 0;
    }

    .text4 {
        width: 100%;
        height: 28px;
        font-size: 1rem;
        text-align: center;
        margin: 1% 0;
        font-weight: bold;
        color: #FEFEFE;
    }

    .content{
        width: 100%;
    }

    .box{
        width: 45%;
        height: auto;
        max-height: 180px;
    }

    .box1{
        width: 45%;
        height: auto;
        max-height: 180px;
    }

    .text5 {
        width: 100%;
        height: 23px;
        text-align: center;
        font-size: 0.8rem;
        margin-top: 2%;
        font-weight: 400;
        color: #FEFEFE;
    }

    .imgone {
        width: 40%;
        height: auto;
    }

    .text {
        width: 100%;
        height: 20px;
        text-align: center;
        font-size: 12px;
        margin: 5%;
        font-weight: 600;
        color: #333333;
    }

    .btn {
        width: 70%;
        height: 35px;
        font-size: 12px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: #ffffff;
        background: #00A2FF;
        border-radius: 6px;
    }

    .footer{
        height: auto;
    }

    .texttwo{
        height: 34px;
        font-size: 12px;
    }
}


/*
@media screen and (min-width:539px) and (max-width:750px) {
    .main{
        width: 100%;
        height: 580px;
        display: block;
        border: 2px solid black;
    }

    .content{
        width: 100%;
        height: 480px;
        display: flex;
        margin: 0px auto;
        border: 2px solid black;
    }

    .boxone{
        
    }

    .boxtwo{
        
    }

    .boxthree{
        
    }

    .boxfour{
        
    }
}
*/