.about_banner {
    background-image: linear-gradient(270deg, rgba(73, 73, 73, 0.50) 0%, #00172C 100%);
    margin-top: 60px;
    padding: 5.2vw 3.125vw;
    position: relative;
}
.about_banner>img{
position: absolute;
z-index: -1;
width: 100%;
height:100%;
object-fit: cover;
top: 0;
left:0;
}
.ab-tit {
    color: #FFFFFF;
    letter-spacing: 0;
    font-weight: 600;
    line-height: 1.4;
    font-size: 62px;
}

.ab-des {
    font-size: 14px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: justify;
    line-height: 22px;
    font-weight: 200;
    width: 44.45%;
    margin-top: 11px;
}

.about_banner .playvideo {
    margin-top: 3.125vw;
    width: 48px;
    cursor: pointer;
}

.sec1 {
    display: flex;
    background: #F3F3F3;
    flex-wrap: wrap;
}

.sec1 .sec1-item {
    flex: 1;
    padding: 1.5625vw 3.125vw;
}

.sec1 .sec1-tit {
    color: #1368B7;
    letter-spacing: 0;
    text-align: justify;
    line-height: calc(4 / 3);
    font-weight: 600;
    padding-bottom: 16px;
    border-bottom: 1px solid #E7E7E7;
}

.sec1 .sec1-des {
    font-size: 14px;
    color: #1F2943;
    letter-spacing: 0;
    text-align: justify;
    line-height: 24px;
    font-weight: 400;
    margin-top: 1.09375vw;
}


.sec2 {
    width: 100%;
    overflow: hidden;
    padding-top: 3.125vw;
}

.sec-tit {
    color: #001A33;
    letter-spacing: 0;
    line-height: 1.25;
    font-weight: 600;
    margin-left: 3.125vw;
    margin-right: 3.125vw;
}

.sec-more {
    font-size: 14px;
    color: #1368B7;
    letter-spacing: 0;
    line-height: 24px;
    font-weight: 400;
    margin-left: 3.125vw;
    margin-right: 3.125vw;
    margin-top: 10px;
}

.sec2 .sec2-top {
    background: #FFFFFF;
    border: 1px solid #E6E6E6;
    box-shadow: 0 6px 14px 0 rgba(0, 0, 0, 0.06);
    border-radius: 4px;
    padding: 20px;
}

.sec2 .sec2-img {
    position: relative;
    padding-bottom: 52.94%;

}

.sec2 .sec2-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: absolute;
}

.sec2swp {
    margin: 2.08vw 30px 0;
}

.sec2 .item2-tit {
    font-size: 14px;
    color: #1F2943;
    letter-spacing: 0;
    line-height: 24px;
    font-weight: 500;
    margin-top: 10px;
}

.sec3 {
    padding-top: 3.125vw;
}

.sec3 .sec3-list {
    display: flex;
    margin: 2.135vw 30px 0;
    flex-wrap: wrap;
}

.sec3 .sec3-item {
    flex: 0 0 32.61%;
    box-shadow: 0 0px 0px 0 rgba(0, 0, 0, 0);
    background: #FFFFFF;
    border: 1px solid #E6E6E6;
    border-radius: 4px;
    overflow: hidden;
    margin-right: 1.085%;
    margin-bottom: 1.085%;
    transition: all .5s;
}

.sec3 .sec3-item:hover {
    box-shadow: 0 6px 14px 0 rgba(0, 0, 0, 0.06);
}

.sec3 .sec3-item:nth-child(3n) {
    margin-right: 0;
}

.sec3 .sec3-img {
    position: relative;
    padding-bottom: 38.7%;
    height: 0%;
    background: #F3F3F3;
}

.sec3 .sec3-img img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sec3 .sec3-btm {
    padding: 1.09375vw 1.5625vw;
}

.sec3 .item3-tit {
    color: #001A33;
    letter-spacing: 0;
    line-height: 1.5;
    font-weight: 600;
}

.sec3 .item3-des {
    opacity: 0.6;
    font-size: 14px;
    color: #001A33;
    letter-spacing: 0;
    line-height: 22px;
    font-weight: 400;
    margin-top: 8px;
}

.sec3 .item3-more {
    margin-top: 1.05vw;
}

.sec3 .item3-more a {
    display: flex;
    transition: all .5s;
    background: #1368B7;
    border-radius: 9px;
    width: 18px;
    height: 18px;
    align-items: center;
    justify-content: center;
}

.sec3 .item3-more a img:nth-child(2) {
    display: none;
}

.sec3 .item3-more a img:nth-child(1) {
    width: 5.2px;
}

.sec3 .item3-more a img:nth-child(2) {
    width: 11px;
}


.sec3 .item3-more a:hover {
    width: 36px;
}

.sec3 .item3-more a:hover img:nth-child(1) {
    display: none;
}

.sec3 .item3-more a:hover img:nth-child(2) {
    display: block;
}

.sec4 {
    margin-top: 3.125vw;
}

.sec4 .sec4-change {
    display: flex;
    margin: 1.25vw 30px;
}

.sec4 .sec4-citem {
    flex: 1;
    font-size: 16px;
    color: #001A33;
    letter-spacing: 0;
    line-height: 56px;
    font-weight: 600;
    text-align: center;
    border-bottom: 3px solid #F3F3F3;
    transition: all .5s;
    cursor: pointer;
}

.sec4 .sec4-citem.active {
    border-bottom-color: #1368B7;
}

.map {
    width: 100%;
    height: 370px;
}
.map img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.mapbox {
    margin: 0 30px;
    position: relative;
}


.add-item {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-image: linear-gradient(270deg, rgba(255, 255, 255, 0.00) 0%, #FFFFFF 59%);
}

.add-item>div>p:nth-child(1) {
    font-size: 16px;
    color: #001A33;
    letter-spacing: 0;
    font-weight: 600;
}

.add-item>div>p:nth-child(2) {
    font-size: 14px;
    color: #001A33;
    letter-spacing: 0;
    line-height: 22px;
    font-weight: 400;
    margin-top: 3px;
}

.add-item a:hover {
    color: #1368B7;

}

.add-item>div:not(:first-child) {
    margin-top: 40px;
}

.sec6 {
    display: flex;
    margin-bottom: 1.2vw;
    margin-top: 3.125vw;
}


.sec6 .sec6-lf {
    flex: 0 0 21.875%;
    background-image: linear-gradient(180deg, #DEE7F0 0%, #FCFCFD 100%);
    box-shadow: inset -1px 0 0 0 #E6E6E6;
    padding: 3.125vw 0;
}

.sec6 .sec6-rg {
    display: flex;
    flex: 1;
}

.sec6 .sec6-item {
    flex: 1;
    padding: 3.125vw;
    background-image: linear-gradient(180deg, #DEE7F0 0%, #FCFCFD 100%);
    box-shadow: inset -1px 0 0 0 #E6E6E6;
}

.sec6 .item6-tit {
    color: #001A33;
    letter-spacing: 0;
    line-height: 1.78;
    font-weight: 600;
    margin-top: 8px;
}

.sec6 .item6-des {
    opacity: 0.6;
    font-size: 14px;
    color: #001A33;
    letter-spacing: 0;
    line-height: 22px;
    font-weight: 400;
    margin-top: 10px;
}

.sec5 {
    margin-top: 3.125vw;
}

.sec5 .sec5-top {
    display: flex;
    margin: 2.08vw 30px 1.08vw;
}

.sec5 .sec5-top .inp {
    flex: 1;
}

.sec5 .sec5-top .inp input {
    background: #FFFFFF;
    border: 1px solid #E6E6E6;
    box-shadow: 0 6px 14px 0 rgba(0, 0, 0, 0.06);
    border-radius: 4px;
    outline: none;
    padding: 0 30px;
    height: 70px;
    width: 100%;
    font-size: 16px;
    color: #0F1946;
}

.sec5 .addsearch {
    width: 100px;
    height: 70px;
    margin-left: 20px;
    display: flex;
    border: 1px solid #E6E6E6;
    box-shadow: 0 6px 14px 0 rgba(0, 0, 0, 0.06);
    border-radius: 4px;
    font-size: 16px;
    color: #1368B7;
    letter-spacing: 0;
    font-weight: 400;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.sec5 .addsearch span {
    margin-left: 4px;
}

.sec5 .point {
    margin: 0 30px 1.5625vw;
    display: flex;
    flex-wrap: wrap;
}

.sec5 .point-item {
    flex: 0 0 24.19%;
    margin-right: 1.08%;
    margin-bottom: 1.08%;
    padding: 1.5625vw;
    display: flex;
    background: #F3F3F3;
    border-radius: 4px;
}

.sec5 .point-item:nth-child(4n) {
    margin-right: 0;
}

.sec5 .point-ico {
    width: 18px;
    height: 22px;
    margin-right: 9px;
}

.sec5 .point-ico img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sec5 .point-tit {
    font-size: 16px;
    color: #0F1946;
    letter-spacing: 0;
    font-weight: 400;
    line-height: 22px;
}

.sec5 .point-rg {
    flex: 1;
}

.sec5 .point-add {
    font-size: 14px;
    color: rgba(15, 25, 70, 0.60);
    letter-spacing: 0;
    line-height: 22px;
    font-weight: 400;
    margin-top: 8px;
}

@media screen and (max-width:1600px) {

    .sec5 .sec5-top .inp input,
    .sec5 .addsearch {
        height: 60px;
    }
}

@media screen and (max-width:1200px) {

    .sec5 .sec5-top .inp input,
    .sec5 .addsearch {
        height: 50px;
    }
}

@media screen and (max-width:768px) {
    .sec5 {
        margin-top: 30px;
    }

    .sec5 .sec5-top {
        margin: 15px 5%;
    }

    .sec5 .addsearch {
        margin-left: 10px;
        width: 80px;
        height: 36px;
        font-size: 14px;
    }

    .sec5 .search-img {
        width: 20px;
    }

    .sec5 .sec5-top .inp input {
        height: 36px;
        padding: 0 20px;
    }

    .sec5 .point-item {
        flex: 0 0 100%;
        margin-right: 0;
        padding: 20px;
        margin-bottom: 10px;
    }

    .sec5 .point {
        margin: 0 5% 5px;
    }
}

@media screen and (max-width:1600px) {
    .ab-tit {
        font-size: 46px;
    }

    .ab-des {
        width: 50%;
    }
}

@media screen and (max-width:1440px) {
    .ab-tit {
        font-size: 42px;
    }
}

@media screen and (max-width:1200px) {
    .ab-tit {
        font-size: 36px;
    }

    .ab-des {
        width: 60%;
    }
}

@media screen and (max-width:768px) {
    .ab-tit {
        font-size: 24px;
    }

    .ab-des {
        width: 100%;
    }

    .about_banner .playvideo {
        width: 36px;
    }

    .sec1 .sec1-item {
        flex: 0 0 100%;
        width: 100%;
        padding: 1.5625vw 5%;
        margin-bottom: 10px;
    }

    .sec1 .sec1-tit {
        padding-bottom: 6px;
    }

    .sec1 {
        padding: 20px 0 10px;
    }

    .sec2swp {
        margin: 2.08vw 5% 0;
        overflow: hidden;
    }

    .sec-tit {
        margin-left: 5%;
        margin-right: 5%;
    }

    .sec-more {
        margin-left: 5%;
        margin-right: 5%;
        margin-top: 5px;
    }

    .sec2 {
        padding-top: 20px;
    }

    .sec3 {
        padding-top: 30px;
    }

    .sec3 .sec3-list {
        margin: 15px 5% 0;
    }

    .sec3 .sec3-item {
        flex: 0 0 48.5%;
        margin-right: 3%;
        margin-bottom: 3%;
    }

    .sec3 .sec3-item:nth-child(3n) {
        margin-right: 3%;
    }

    .sec3 .sec3-item:nth-child(2n) {
        margin-right: 0;
    }

    .sec4 .sec4-citem {
        font-size: 14px;
        line-height: 40px;
    }

    .sec4 .sec4-change {
        margin: 10px 5%;
    }

    .mapbox {
        margin: 0 5%;
    }

    .add-item {
        width: 100%;
        position: static;
        margin-top: 15px;
    }

    .map {
        height: 240px;
    }

    .add-item>div:not(:first-child) {
        margin-top: 10px;
    }

    .sec6 .sec6-lf {
        flex: 0 0 100%;
        padding: 20px 0% 0;
        background-image: none;

    }

    .sec6 {
        flex-wrap: wrap;
        padding-bottom: 10px;
        margin-top: 30px;
        background-image: linear-gradient(180deg, #DEE7F0 0%, #FCFCFD 100%);
    }

    .sec6 .sec6-rg {
        padding: 0 5%;
    }

    .sec6 .sec6-item {
        background-image: none;
        padding-left: 0;
        box-shadow: none;
    }
}