/* 蒙版 */
        
        .mengban {
            position: absolute;
            z-index: 1;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, .7);
        }
        
        @keyframes rubberBand {
            0% {
                -webkit-transform: scaleX(1);
                transform: scaleX(1)
            }
            30% {
                -webkit-transform: scale3d(1.25, .75, 1);
                transform: scale3d(1.25, .75, 1)
            }
            40% {
                -webkit-transform: scale3d(.75, 1.25, 1);
                transform: scale3d(.75, 1.25, 1)
            }
            50% {
                -webkit-transform: scale3d(1.15, .85, 1);
                transform: scale3d(1.15, .85, 1)
            }
            65% {
                -webkit-transform: scale3d(.95, 1.05, 1);
                transform: scale3d(.95, 1.05, 1)
            }
            75% {
                -webkit-transform: scale3d(1.05, .95, 1);
                transform: scale3d(1.05, .95, 1)
            }
            to {
                -webkit-transform: scaleX(1);
                transform: scaleX(1)
            }
        }
        /* 第一部分，我们是谁 */
        
        .who-are-wrapper {
            width: 100%;
            height: 968px;
            background-image: url(../images/aboutUs/pexels-sevenstorm-juhaszimrus-443383.png);
            background-size: cover;
            position: relative;
        }
        
        .who-are-inner-wrapper {
            z-index: 2;
            width: 1200px;
            margin: 150px auto;
            position: absolute;
            left: 0;
            right: 0;
        }
        
        .who-are-inner-wrapper .who {
            font-family: MicrosoftYaHei;
            font-size: 36px;
            color: #fff;
            text-align: center;
        }
        
        .who-are-wrapper .text-wrapper {
            display: flex;
            flex-direction: column;
            font-size: 20px;
            color: #D8D8D8;
            margin-top: 40px;
        }
        
        .who-are-wrapper .text-wrapper .text2,
        .who-are-wrapper .text-wrapper .text3 {
            margin-top: 30px;
        }
        
        .who-are-inner-wrapper .icon-desc-wrapper {
            margin-top: 60px;
            display: flex;
            justify-content: space-between;
        }
        
        .icon-desc-item {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .icon-desc-item:hover {
            animation: rubberBand .5s linear 0s 1 forwards;
        }
        
        .icon-desc-item .icon-wrapper {
            width: 140px;
            height: 140px;
            border-radius: 100%;
            border: 3px solid #FFFFFF;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .icon-desc-item .icon-wrapper img {
            width: 46px;
            height: 46px;
        }
        
        .icon-desc-item .txt1,
        .icon-desc-item .txt2 {
            font-size: 24px;
            margin-top: 30px;
            color: #fff;
            font-family: SourceHanSansCN-Regular;
        }
        /* 第二部分，服务优势 */
        
        #service-wrapper {
            height: 700px;
            background-image: url(../images/aboutUs/pexels-henry-&-co-1939485.png);
            z-index: 2;
            position: relative;
        }
        
        #service-wrapper .mengban {
            position: absolute;
            height: 100%;
            background: rgba(255, 255, 255, 0.8);
        }
        
        #service-wrapper .service-inner-wrapper {
            width: 1318px;
            position: absolute;
            left: 0;
            right: 0;
            top: 65px;
            margin: auto;
            z-index: 3;
        }
        
        .service-inner-wrapper .service-title {
            color: #3D3D3D;
            font-size: 36px;
            text-align: center;
            font-family: MicrosoftYaHei;
        }
        
        .service-inner-wrapper .txt {
            font-family: MicrosoftYaHei;
            font-size: 36px;
            color: #3D3D3D;
            text-align: center;
            margin-top: 20px;
        }
        
        .professional-wrapper {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
        }
        
        .professional-wrapper .professional-item {
            width: 350px;
            display: flex;
            flex-direction: column;
        }
        
        .professional-item .professional-title-wrapper {
            height: 100px;
            line-height: 100px;
            border: 1px solid #4F89B9;
            font-size: 36px;
            font-weight: bold;
            color: #4F89B9;
            text-align: center;
        }
        
        .professional-item .professional-title-wrapper span {
            border-bottom: 3px solid #4F89B9;
        }
        
        .professional-item .professional-desc {
            background-color: #4F89B9;
            margin-top: 10px;
            font-family: MicrosoftYaHei;
            font-size: 24px;
            color: #fff;
            height: 254px;
            padding: 10px;
        }
        /* 第三部分，我们的队伍 */
        
        #we-team-wrapper {
            height: 838px;
            background-image: url(../images/aboutUs/pexels-fauxels-3184418.png);
            z-index: 2;
            position: relative;
        }
        
        #we-team-wrapper .mengban {
            position: absolute;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
        }
        
        #we-team-wrapper .we-team-desc {
            width: 1200px;
            position: absolute;
            left: 0;
            right: 0;
            top: 65px;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin: auto;
            z-index: 3;
        }
        
        .we-team-desc .we-team {
            font-family: MicrosoftYaHei;
            font-size: 36px;
            text-align: center;
            color: #FFFFFF;
        }
        
        .we-team-desc .desc {
            line-height: 24px;
            font-size: 20px;
            color: #D8D8D8;
            margin: 40px 0;
        }
        
        .we-team-desc .we-team-img {
            display: flex;
            justify-content: space-between;
            width: 1178px;
            height: 434px;
        }
        .we-team-img image{
            width: 100%;
            height: 100%;
        }
        .we-team-img .img-left {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            width: 782px;
            align-content: space-between;
        }
        
        .we-team-img .img-left div {
            width: 386px;
            height: 212px;
            background: #D8D8D8;
        }
        
        .we-team-img .img-right {
            width: 386px;
            height: 434px;
            background: #D8D8D8;
        }