.main {
    position: relative;
    padding-top: 80px;
}
.main::after {    
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    display: block;
    content: '';
    width: 100%;
    max-width: 1920px;
    height: 335px;
    margin: 0 auto;
    background-image: url(../images2/about_top.jpg);
    background-size: cover;
    background-position: center top;
}
.main-wrap {
    padding-bottom: 30px;
}
.main-wrap-box {
    position: relative;
    z-index: 1;
}
.main-wrap-tit {
    display: flex;
    padding: 100px 100px 94px 100px;
    font-size: 46px;
    text-align: left;
}
.top-tit .main-wrap-tit-ch {
    color: var(--white-op8);
    font-weight: bold;
    text-shadow: 2px 2px 20px rgba(0, 46, 126, 0.36);
}
.top-tit .main-wrap-tit-en {
    position: relative;
    top: 30px;
    left: -151px;
    font-size: 45px;
    color: var(--white-op35);
    text-shadow: 2px 2px 20px rgba(1, 64, 172, 0.06);
}
.main-wrap-con {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    padding: 50px;
    background-color: var(--white);
}
/*  */
.main-wrap-con .main-wrap-tit-ch {
    position: relative;
    width: 100%;
    padding: 30px 0 38px 0;
    font-size: 32px;
    font-weight: bold;
    color: var(--black-3);
    text-shadow: none;
}
.main-wrap-con .main-wrap-tit-ch::after {
    position: absolute;
    left: 0;
    bottom: 24px;
    content: '';
    width: 190px;
    height: 3px;
    background-color: var(--primary-blue);
}
.case-info {
    font-size: 16px;
    line-height: 28px;
    color: var(--black-6);
}
.case-des div {
    margin: 20px 0;
}


/* certificate */
.certificate {
    background-color: var(--black-bd);
}
.certificate .main-wrap-tit {
    padding: 60px 100px 0 100px;
    display: block;
    text-align: center;
    font-weight: bold;
}
.certificate .main-wrap-tit-ch {    
    position: relative;
    z-index: 1;
    font-size: 36px;
    color: var(--black-3);
    text-shadow: none;
}
.certificate .main-wrap-tit-en {    
    position: relative;
    top: -30px;
    left: 0px;
    font-size: 42px;
    color: #ebf0ff;
    text-shadow: none;
}
.certificate .main-wrap-con {
    display: flex;
    flex-wrap: wrap;
    padding: 10px 0 60px;
    background-color: unset;
}
.certificate-item {
    flex: 0 0 300px;
    position: relative;
    margin: 10px;
    padding: 30px 15px;
    text-align: center;
    font-size: 14px;
    background-color: var(--white);
    border-radius: 10px;
}
.img-wrap {
    width: 100%;
    height: 310px;
    margin-bottom: 20px;
}
.certificate-item .img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.certificate-name {
    color: var(--black-6);
}

/*  */
.certificate.culture {
    /* background-color: white; */
    background: #ecf7ff url(../images2/culture.jpg) top center no-repeat;
}
.culture .main-wrap-tit-en {    
    color: var(--black-bd);
}
.culture .certificate-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 20px;
    padding: 40px;
    /* background-image: linear-gradient(to bottom, #ffffff 38%, #eaefff); */
    /* border: 1px solid #eaefff; */
    box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.03);
}
.flex-c .certificate-item {
    padding: 30px 40px;
    flex: 0 0 380px;
}
.culture .certificate-item img {
    margin-bottom: 10px;
    width: 40px;
}
.culture .certificate-tit {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
}
.culture .certificate-name {
    text-align: left;
    font-size: 16px;
    line-height: 26px;
    padding-bottom: 20px;
}
.flex-r {
    display: flex;
}
.flex-c {
    display: flex;
    flex-direction: column;
}
.flex-1 {
    flex: 1;
}



/* map */
.map {
    position: relative;
    width: 100%;
    align-items: flex-end;
}
.map-tips {
    flex: 0 0 630px;
    padding: 0 50px;
    font-size: 16px;
    line-height: 26px;
    background-color: var(--white);
    border-radius: 20px;
    box-sizing: border-box;
    z-index: 90;
}
.main-wrap-con .map-tit {
    position: relative;
    width: 100%;
    padding: 30px 0 38px 0;
    font-size: 32px;
    font-weight: bold;
    color: var(--black-3);
    text-shadow: none;
}
.main-wrap-con .map-tit::after {
    position: absolute;
    left: 0;
    bottom: 16px;
    content: '';
    width: 63px;
    height: 3px;
    background-color: var(--primary-blue);
}
.map-tips .li {
    display: flex;
    align-items: flex-start;
    padding: 10px 0;
    color: var(--black-6);
    border-bottom: 1px solid var(--black-bd);
}
.map-tips .li:nth-last-of-type(1) {
    border: none;
}
.map-tips .contact-icon {
    margin-top: 5px;
    margin-right: 10px;
    width: 20px;
    height: 20px;
}
.map .contact-li-con-info {
    display: flex;
    flex-direction: column;
}
.contact-li-con-tit {
    color: var(--black-3);
    font-weight: bold;
}
.contact-li-con-des {
    color: var(--black-8);
}
.map-wrap {
    flex: 1;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    overflow: hidden;
}
.map-wrap img {
    height: 130%;
}

/* 去掉百度地图左下角百度logo */
.map .anchorBL{  
    display:none;  
}