.group .banner{
    background-image: url('/web/shiwais2/assets/img/group/section3_web_01_v2.jpg');
    height: 500px;
    color:#fff;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.group .banner .info-title{
    width: 1220px;
    margin: 0 auto;
    overflow: hidden;
}

.group .banner .info-title p:first-child{
    font-size: 40px;
    margin: 200px 0 35px 0;
}

.group .banner .info-title p:last-child{
    width: 500px;
    line-height: 2;
}

.group .banner .info-title p:nth-child(4) button{
    padding: 5px 32px;
    line-height: 2;
    background-color: rgba(0, 0, 0, 0);
    border: 1px solid #fff;
}

.group .banner .info-title p:nth-child(4) button:hover{
    background: #fff;
    border: 1px solid #fff;
    color: #333333;
}

.group .box-shadow1 ul{
    width: 1220px;
    margin: 0 auto;
    display: flex;
    justify-content: space-evenly;
    height: 60px;
}

.group .box-shadow1 ul li{
    line-height: 60px;
}

.group .about-content{
    height: 507px;
    background-color: #f0f5ff;
    /* line-height: 507px; */
}

.group .about-content .introduction{
    width: 1220px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    padding: 95px 0;
}

.group .about-content-img{
    width: 545px;
    height: 318px;
}

.group .about-content-content{
    width:580px;
}

.group .about-content-content p:first-child{
    font-size: 24px;
    display: inline-block;
    border-bottom: 2px solid #015bfe;
    padding-bottom: 6px;
    font-weight: 600;
}

.group .about-content-img img{
    width: 100%;
    height: 100%;
    margin-right: 50px;
    border-radius: 10px;
    box-shadow: 0px 0px 20px 1px #a5a5a5;
    border: 2px solid #FFFFFF;
}

.group .about-content-content .list-content{
    line-height: 1.8;
}

.group .qualifications{
    height: 581px;
    background-color: #f0fffe;
    overflow:hidden;
}

.group .qualifications .qualifications-title{
    text-align:center;
    font-size: 24px;
    font-weight: 700;
    margin:50px 0 40px 0;
}

.group .qualifications ul{
    display:flex;
    justify-content: space-around;
    width:1220px;
    margin:0 auto;
}

.group .qualifications ul li img{
    width: 100%;
    display: inline-block;
    padding: 10px;
    border: 2px solid #e6eef4;
    box-shadow: 5px 5px 11px #c4cacf, -5px -5px 11px #ffffff;
    border-radius: 10px;
    transition: all .3s ease-in-out;
}

.group .qualifications ul li p{
    text-align:center;
    margin-top:30px;
}

.group .qualifications ul li:hover img{
    width: 100%;
    display: inline-block;
    padding: 10px;
    border: 2px solid #e9e9e9;
    box-shadow: 0px 0px 10px 3px #2196f3c2;
    transition: all .3s ease-in-out;
}

.group .product-advantages .product-advantages-title{
    text-align:center;
    color:#fff;
    font-weight:700;
    font-size:24px;
    margin:50px 0;
}

.group .product-advantages{
    height:579px;
    background-color:#030521;
    overflow:hidden;
}

.group .product-advantages ul{
    width:1220px;
    margin:0 auto;
    display:flex;
    flex-wrap: wrap;
}

.group .product-advantages ul li{
    position: relative;
    width: 610px;
    height: 142px;
    margin-bottom: 30px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    background-size: 100%;
    background-repeat: no-repeat;
    cursor: pointer;
    -webkit-transition: all .2s ease;
    transition: all .2s ease;
    border: 1px solid transparent;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    padding: 24px 40px;
}

.group .product-advantages ul li:nth-child(1){
    background-image:url('/web/shiwais2/assets/img/group/introduction-anvantage-bg-01.png');
}

.group .product-advantages ul li:nth-child(2){
    background-image:url('/web/shiwais2/assets/img/group/introduction-anvantage-bg-02.png');
    margin-top: 26px;
    margin-left: -30px;
}

.group .product-advantages ul li:nth-child(3){
    background-image:url('/web/shiwais2/assets/img/group/introduction-anvantage-bg-03.png');
}

.group .product-advantages ul li:nth-child(4){
    background-image:url('/web/shiwais2/assets/img/group/introduction-anvantage-bg-04.png');
    margin-top: 26px;
    margin-left: -30px;
}

.group .product-advantages ul li img{
    width:70px;
    position: absolute;
    right: 32px;
}

.group .product-advantages .descp{
    color:#fff;
    width: 450px;
}

.group .product-advantages .descp p:first-child{
    color: #337dff;
}

.group .product-advantages ul li:nth-child(2n){
    padding-left: 56px;
}

.group .contact-group{
    height: 507px;
}

.group .contact-group .contact-group-title{
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin: 50px 0;
}

.group .contact-group ul{
    width:1300px;
    margin:0 auto;
    display: flex;
    justify-content: space-between;
}

.group .contact-group ul li{
    position: relative;
    width: 30%;
    height: 328px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgb(64 66 77 / 16%);
    border: 2px solid #ebf0fc;
}

.group .contact-group ul li img{
    display: block;
    margin:40px auto;
}

.group .contact-group ul li p{
    text-align: center;
}

.group .contact-group ul li p:nth-child(2){
    font-weight: 700;
    font-size:20px;
}

.group .contact-group ul li button{
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    border: none;
    padding: 10px 60px;
    background: #015BFD;
    color: #fff;
    margin-top: 14px;
}

.group .contact-group ul .qrcode:hover .code-list{
    display: none;
}

.code-list{
    position: absolute;
    /* display:none; */
    background-color: #fff;
    left:50%;
    width:100%;
    transform: translateX(-50%);
}

.group .contact-group ul .qrcode .qr{
    width: 200px;
    /* margin-top: 60px; */
    border:1px solid #015bfe;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    margin: 0 !important;
}

.group .group-environment{
    height: 575px;
    background-image: url('/web/shiwais2/assets/img/group/bg4.jpg');
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.group .group-environment .environment{
    width: 1280px;
    margin:80px auto;
    position: relative;
}

.group .group-environment .environment .group-environment-img1{
    position: relative;
}

.group .group-environment .environment .group-environment-img1 img:nth-child(2){
    position: absolute;
    left: 666px;
}

.group .group-environment .environment .group-environment-img1 img:nth-child(3){
    position: absolute;
    top:211px;
    left: 666px;
}

.group .group-environment .environment .group-environment-img2{
    position: absolute;
    right: 0;
    top: 58px;
}

.group .group-environment .environment .group-environment-img2 p{
    font-size: 27px;
    color:#fff;
    text-align: right;
}

@media (max-width: 750px) {

    .group .banner .info-title,
    .group .box-shadow1 ul,
    .group .about-content .introduction,
    .group .about-content-img,
    .group .qualifications ul,
    .group .product-advantages ul,
    .group .group-environment .environment{
        width: auto;
    }

    .group .about-content,
    .group .qualifications,
    .group .product-advantages,
    .group .contact-group {
        height: auto;
    }

    .group .banner {
        background-image: url(/web/shiwais2/assets/img/group/section3_web_01_v2.jpg);
        height: 188px;
        background-size: cover;
    }

    .box-shadow1{
        display: none;
    }

    .group .banner .info-title p:first-child {
        font-size: 23px;
        margin: 80px 0 35px 0;
        text-align: center;
    }

    .group .banner .info-title p:nth-child(2),
    .group .banner .info-title p:nth-child(4){
        display: none;
    }

    .group .about-content .introduction {
        flex-direction: column;
    }
    
    .group .about-content .introduction {
        padding: 59px 0;
    }

    .group .about-content-img img {
        width: 95%;
        height: 84%;
        margin: 0 auto;
        display: block;
    }

    .group .about-content-content {
        width: 90%;
        margin: auto;
        line-height: 30px;
    }

    .group .about-content-content p:first-child {
        font-size: 24px;
        border-bottom: 3px solid #015bfe;
        font-weight: 700;
    }

    .group .qualifications ul li{
        width:163px;
    }

    .group .qualifications ul {
        flex-wrap: wrap;
    }

    .group .qualifications .qualifications-title {
        margin: 27px 0 22px 0;
    }

    .group .product-advantages {
        background-color: #f0f5ff;
        padding-bottom: 26px;
    }
    .group .product-advantages .product-advantages-title {
        color: #333;
        margin: 19px 0;
    }

    .group .product-advantages ul li {
        width:90%;
        height: 171px;
        margin:0 auto; 
        margin-bottom: 13px;
        background-color: #fff;
        background-size: 50% 100%;
        background-repeat: no-repeat;
        background-position: right center;
    }

    .group .product-advantages ul li:nth-child(1) {
        background-image: url(/web/shiwais2/assets/img/group/community.1724a563.png);
        background-size: 50% 100%; /* 宽度 50%，高度 100% */
        background-repeat: no-repeat;
        background-position: right center;
    }

    .group .product-advantages ul li {
        padding: 12px 14px;
    }

    .group .product-advantages .descp {
        color: #6e6e6e;
        width: auto;
    }

    .group .product-advantages ul li:nth-child(2) {
        background-image: url(/web/shiwais2/assets/img/group/plan.f99d3a5d.png);
        margin-left: 0px;
    }

    .group .product-advantages ul li:nth-child(2n) {
        padding-left: 15px;
    }

    .group .product-advantages ul li:nth-child(2) {
        margin: 0 auto;
        margin-bottom: 13px;
    }

    .group .product-advantages ul li:nth-child(4) {
        background-image: url(/web/shiwais2/assets/img/group/res.9f8d0f58.png);
        margin: 0 auto;
    }

    .group .product-advantages ul li:nth-child(3) {
        background-image: url(/web/shiwais2/assets/img/group/center.a42377b8.png);
    }

    .group .contact-group ul li {
        width: 100%;
        margin-bottom: 10px;
    }

    .group .contact-group ul {
        flex-direction: column;
    }

    .group .contact-group ul{
        width:90%;
    }

    .group .contact-group .contact-group-title {
        margin: 20px 0;
    }

    .group-environment-img1 img:first-child{
        width: 94%;
        display:block;
        margin:0 auto;
    }

    .group .group-environment {
        background: #000;
    }

    .group-environment-img2 img{
        display:none;
    }

    .group .group-environment .environment .group-environment-img2 {
        left: 25px;
        top: -58px;
    }

    .group .group-environment .environment .group-environment-img2 p {
        text-align: left;
    }

    .group .group-environment .environment .group-environment-img1 img:nth-child(2) {
        left: 3%;
        width: 46%;
        top: 103%;
    }

    .group .group-environment .environment .group-environment-img1 img:nth-child(3) {
        top: 103%;
        left: 51%;
        width: 46%;
    }

    .group .group-environment {
        height: 440px;
    }
}

.big-img {
    display: none;
    width: 100%;
    height: 4596px;
    background: #00000070;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9;
    padding-top: 70px;
    justify-content: center;
    align-items: flex-start;
}

.big-img img {
    position: fixed;
    /* top: 55%; */
    /* width: 500px; */
    /* left: calc(50%); */
    /* margin-left: -305px; */
    /* transform: translateY(-307px); */
    height: 90%;
}