.banner {
    position: relative;

}

.banner .img-box {
    position: relative;
    z-index: 0;
}

.banner .tit-box {
    position: absolute;
    left: 50%;
    top: 3rem;
    transform: translateX(-50%);
}

.banner .tit-box .en_tit,
.banner .tit-box h1 {
    color: #fff;
    font-size: .45rem;
    font-family: 'Source_Han_Sans_SC_Bold';
    text-transform: capitalize;
}

.banner .tit-box h1 {
    font-size: .65rem;
}
/* 联系我们 */
.i-lxwm-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.i-lxwm-box .i-title-box .i-h1-title {
    text-align: left;
}

.i-lxwm-box .i-title-box .i-h1-subtitle {
    text-align: left;
}

.i-lxwm-box .address-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: .5rem;
}

.i-lxwm-box .address-box .txt {
    margin-right: .35rem;
}

.i-lxwm-box .address-box .txt p {
    line-height: 120%;
    margin-bottom: .3rem;
    font-size: .18rem;
}

.i-lxwm-box .address-box .txt p:last-child {
    margin-bottom: 0;
}

.i-lxwm-box .address-box .code-img {
    width: 2rem;
}

.i-lxwm-box .map {
    width: 8.3rem;
    height: 5.53rem;
}

/* （2k以上） */
@media only screen and (min-width:1441px) {}

/*（2k） */
@media only screen and (max-width:1440px) {}

/*（包含1080） */
@media only screen and (max-width:1200px) {
.banner .tit-box{
    width:90%;
}
    .i-lxwm-box .address-box .txt p {
        font-size: 14px;
    }
}
/*（2010年到2016年间的笔记本和屏幕）*/
@media only screen and (max-width:960px) {

.banner .tit-box .en_tit, .banner .tit-box h1{
        font-size: 26px;
    }

}
/*（或者760px与480px） */
@media only screen and (max-width:760px) {
    .banner .tit-box .en_tit, .banner .tit-box h1{
        font-size: 18px;
    }
    
    .banner .tit-box{
        top:40%;
    }
    .i-lxwm-box{
        flex-wrap: wrap;
    }
    .i-lxwm-box .map{
        display: block;
        width: 95%;
        margin: 20px auto;
        height: 280px;
    }
    .i-lxwm-box .txt-box{
        width: 95%;
        margin: 0px auto;
    }
    .i-lxwm-box .i-title-box .i-h1-title{
        text-align: center;
    }
    .i-lxwm-box .i-title-box .i-h1-subtitle{
        text-align: center;
    }
    .i-lxwm-box .address-box .code-img{
        width: 100px;
    }
}