.about-banner {
    background-image: url('/image/public//about/aboutbanner.jpg');
    background-repeat: no-repeat;
    background-size: 100%;
    width: 100%;
    height: 50vh;
}

#about-main {
    padding: 0 2vw;
    background-color: #fff;
    /* height: 100vh; */
    width: 65vw;
    margin: auto;
    position: relative;
    top: -10vh;
    border-radius: 6vw;
    border: 1px solid #eee;
}

.about-nav {
    display: flex;
    flex-direction: row;
    width: 100%;
    justify-content: space-around;
    padding: 50px 100px;
    box-sizing: border-box;
}

.about-nav-item {
    margin: auto;
    background-color: #E3EBFE;
    font-size: 25px;
    padding: 10px 35px;
    cursor: pointer;
    border-radius: 7px;
    letter-spacing: 3px;
}

.about-nav-item:hover {
    background-color: #1054C8;
    color: white;
    transition: all .5s;
}

.navactive,
.selected {
    background-color: #1054C8;
    color: white;
}

/*内容 */
.about-content {
    margin: 20px 0;
    padding: 20px;
    width: 100%;
    box-sizing: border-box;
}

.hide {
    /* display: none; */
}

/* 公司简介 */
.introduction {
    text-align: center;
}

.introduction h3 {
    font-size: 22px;
    text-align: center;
    color: #333;
}

.introduction p {
    text-align: left;
    margin: 20px 0;
}

.introduction img {
    margin: 10px 0;
}

.introduction p span {
    margin: 20px 0;
    padding-left: 32px;
    line-height: 30px;
    font-size: 18px;
    color: #444;
}

/* 公司资质 */
.qualificationList {
    width: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.qualification li {
    margin: 10px 5px;
    width: 30%;
    border-radius: 5px;
    overflow: hidden;
    transition: all 1s;
}

.qualification li:hover {
    transform: scale(1.1);
}

.qualification li img {
    width: 100%;
    height: 100%;
}

/* 联系我们 */
.contactUs {
    position: relative;
}

.contactUs-1 {
    width: 100%;
    height: 40vh;
    background-image: url(/image/public/bg11.png);
    background-size: 100%;
    background-repeat: no-repeat;
    margin-bottom: 5vh;
}

.contactUs-1 h3 {
    position: absolute;
    top: 7vh;
    left: 20vw;
    width: 30vw;
    height: 8vh;
    line-height: 8vh;
    font-size: 1.5vw;
    color: #FFFFFF;
    text-align: center;
    font-weight: normal;
    background-color: #1054c8;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.contactUs-1 p {
    position: absolute;
    top: 15vh;
    left: 20vw;
    padding: 30px 0px 30px 45px;
    width: 30vw;
    color: #ccc;
    background: rgba(255, 255, 255, 0.1);
    box-sizing: border-box;
}
.contactUs-1 p span{
    display: block;
    line-height: 36px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
/* 地图 */
.my-map {
    margin: 0 auto;
    width: 40vw;
    height: 40vh;
    border: 1px solid #ccc;
}

.my-map .icon {
    background: url(//a.amap.com/lbs-dev-yuntu/static/web/image/tools/creater/marker.png) no-repeat;
}

.my-map .icon-cir {
    height: 31px;
    width: 28px;
}

.my-map .icon-cir-red {
    background-position: -11px -5px;
}

.amap-container {
    height: 100%;
}

.myinfowindow {
    width: 240px;
    min-height: 50px;
}

.myinfowindow h5 {
    height: 20px;
    line-height: 20px;
    overflow: hidden;
    font-size: 18px;
    font-weight: bold;
    width: 220px;
    text-overflow: ellipsis;
    word-break: break-all;
    white-space: nowrap;
}

.myinfowindow div {
    margin-top: 10px;
    min-height: 40px;
    line-height: 20px;
    font-size: 13px;
    color: #6f6f6f;
}