.jjbs{
    display: flex;
    justify-content: space-between;
}
.jjbs-left{
    width: 440px;
    height: 440px;
}
.jjbs-left > img{
    width: 100%;
    height: 100%;
}
.jjbs-right{
    width: calc(100% - 460px);
}
.jjbs-title{
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 0.06em;
    color: #000000;
}
.region-menu{
    margin-top: 20px;
}
.region-menu > span{
    display: inline-block;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.08em;
    margin-right: 18px;
    padding-bottom: 8px;
    color: #B3B5B3;
    cursor: pointer;
}
.region-menu > span:hover,
.region-menu > span.active{
    color: #335CB1;
}
.regin-item{
    margin-top: 30px;
    height: 295px;
    overflow: auto;
}
.regin-item > span{
    display: inline-block;
    width: 160px;
    height: 60px;
    font-size: 16px;
    line-height: 60px;
    text-align: center;
    color: #666666;
    background-color: #fff;
    border: 2px solid #E8E8E8;
    box-shadow: 0 0 3px 1px rgba(0 0 0 0.12);
    border-radius: 5px;
    margin-top: 18px;
    margin-right: 13px;
    cursor: pointer;
}
.regin-item > span:nth-child(1),
.regin-item > span:nth-child(2),
.regin-item > span:nth-child(3),
.regin-item > span:nth-child(4){
    margin-top: 0;
}
.regin-item > span:nth-child(4n+4){
    margin-right: 0;
}
.regin-item > span:hover,
.regin-item > span:focus {
    color: #1658a0;
    background-color: rgba(163,215,254,0.3);
    border-color: rgba(163,215,254,0.3);
}

@media screen and (max-width: 768px) {
    .jjbs{
        display: block;
    }
    .jjbs-left{
        width: 100%;
        height: calc(100vw - 40px);
    }
    .jjbs-right{
        width: 100%;
    }
    .jjbs-title{
        margin-top: 20px;
    }
    .regin-item{
        height: auto;
        margin-top: 5px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .regin-item > span{
        margin-top: 18px !important;
        margin-right: 0;
    }
}