body {
    width: 100%;
    height: 100vh;
    background-image: url(../images/bj.png);
    background-size: cover;
}

.flex {
    display: flex;
    display: -webkit-flex;
}

.flex.ac {
    align-items: center;
}

.flex.jc {
    justify-content: center;
}

.flex.js {
    justify-content: space-between;
}

.header {
    display: flex;
    justify-content: space-between;
    margin: 0 7.3%;
    padding-top: 3.9%;
    padding-bottom: 1.9%;
}

.imgs {
    display: flex;
    width: 100%;
    height: 954px;
}

.img-1 {
    background-image: url(../images/1-.png);
    background-repeat: no-repeat;
    width: 25%;
    height: 100%;
}

.img-2 {
    background-image: url(../images/2-.png);
    background-repeat: no-repeat;
    width: 25%;
    height: 100%;
}

.img-3 {
    background-image: url(../images/3-.png);
    background-repeat: no-repeat;
    width: 25%;
    height: 100%;
}

.img-4 {
    background-image: url(../images/4-.png);
    background-repeat: no-repeat;
    width: 25%;
    height: 100%;
}
.img-m {
    display: none;
}
.text-btm {
    text-align: center;
    display: flex;
    flex-grow: row;
    color: #506252;
    font-size: 14px;
    font-weight: bold;
    padding: 3% 0;
    display: block;
    cursor: pointer
}
.zhanwei{
    width: 100%; height: 200px;background-color: #d54848;display: none;
}
.rightmg {
    width:220px;
    margin-top: 12px;
    font-size: 22px;
    display: flex;
    justify-content: space-between;
    margin-right: 90px;
}
.kong{
    width: 0px;
    height: 0px;
    display: none;
}
.m-l {
    margin-right: 50px;
    white-space: nowrap;
    color:#42413d;
    font-weight: 600;
}
.butbq {
    padding-top: 30px;
}
.butbq2 {
    padding-top: 10px;
}

.androidbtn {
    margin: 0 7.3%;
    text-align: right;
}
.right-btn{
    height: 15vh;
    display: flex;
    flex-flow: column;
    justify-content: space-between;
}

@media screen and (max-width: 1390px) {
    body {
    width: 100%;
    min-height: 100vh;
    height: auto;
    background-image: url(../images/m-bj.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
    .header {
        height: auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin: 0 5%;
        padding-top: 3.9%;
        padding-bottom: 1.9%;
    }
    .logo {
        pointer-events:none;
    }
    .logo-1{
        height: 38px;
        pointer-events:none;
    }
    .topBtns-2 {
        height: 32px;
    }
    .rightmg  {
        margin: 0;
    }
    .androidbtn {
        margin: 20px 0; 
    }
    .m-l {
        font-size: 12px !important;
        margin-right: 0;
        margin-left: 30px;
    }
    .right-btn {
        height: auto;
        /* flex:1; */
        display: flex;
        flex-direction: column;
        /* align-items: end; */
    }
    .rightmg {
        width: auto;
    }
    .imgs {
        display: flex;
        flex-direction: column;
        width: 100%;
        height: auto;
        overflow: hidden;
    }
    .img-m1 {
        background: none;
        width: 100%;
        height: auto;
        margin: 0 auto;
    }

    .img-m2 {
        background: none;
        width: 100%;
        height: auto;
        margin: 0 auto;
    }

    .img-m3 {
        background: none;
        width: 100%;
        height: auto;
        margin: 0 auto;
    }

    .img-m4 {
        background: none;
        width: 100%;
        height: auto;
        margin: 0 auto;
    }
    .img-m {
        display: block;
    }
    .img-pc {
        display: none;
    }
    .butbq {
        font-size: 12px;
    }
    .butbq2 {
        font-size: 12px;
        margin-bottom: 30px;
    }
}
@media screen and (max-width: 375px) {
    .logo-1{
        height: 28px;
        pointer-events:none;
    }
    .topBtns-2 {
        height: 22px;
    }
    .right-btn{
        display: flex;
        margin: 5px 0;
    }
    .androidbtn {
        margin: 10px 0;
    }
    .m-l {
        font-size: 10px !important;
        margin-right: 0;
        margin-left: 15px;
    }
    .butbq, .butbq2 {
        font-size: 10px;
    }
}