body{
    min-width: 1200px;
}
.banner{
    display: flex;
    height: 415px;
}
.banner_img{
    width: 100%;
    height: 100%;
}
.base-row{
    display: flex;
    min-height: 230px;
    margin-top: 20px;
    justify-content: center;
    padding: 23px 20px;
}
.base-row_content{
    width: 1200px;
    min-height: 183px;
    display: flex;
    justify-content: space-between;
}
.base-row_content>div{
    width: 0;
}
.content_title{
    min-width:97px;
    height:55px;
    font-size:24px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(51,51,51,1);
}
.content_title::before{
    content: " ";
    height: 6px;
    width: 20px;
    display: flex;
    margin-bottom: 10px;
}
.base-row_content-font{
    display: flex;
    flex-direction: column;
    flex-grow: 2;
}
.base-row_content-img{
    /*width: 300px;*/
    height: 260px;
    flex-grow: 1.5;
    opacity: 0;
    transition: all 1s;
    transform: translateY(40px);
}
.content_font{
    color: #666666;
    font-size: 16px;
    margin-top: 30px;
}
.content_font-brow{
    font-size:14px;
    font-family:Source Han Sans CN;
    font-weight:bold;
    color:rgba(51,51,51,1);
    margin-bottom: 14px;
    margin-top: 40px;
}
.content_font-row{
    font-size:14px;
    font-family:Source Han Sans CN;
    color:rgba(51,51,51,1);
    margin-bottom: 14px;
}
.content_img-item{
    margin-top: 42px;
    display: flex;
    justify-content: space-around;
}
.img-item_img{
    width: 280px;
    height: 365px;
    transition: all 1.5s;
    transform: translateY(100px);
    opacity: 0;
}
.contact-item{
    margin-top: 40px;
    min-width: 321px;
    min-height: 88px;
}
.contact-item_font{
    margin-bottom: 12px;
    font-size: 17px;
    font-weight: 500;
}
.base-row_content-map{
    flex-grow: 3.5;
    height: 600px;
    display: flex;
}
.map{
    margin-top: 140px;
    width: 100%;
    height: 340px;
}