.wrap {
    height: 100%;
    margin: 0 auto;
    width: 1920px;
    min-width: 1200px;
    max-width: 100%;
}

body {
    overflow-x: hidden;
}

/*banner*/
@media screen and (min-width: 1900px) {
    .banner > img {
        height: 100vh;
    }
}

.banner .middle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    color: #FFFFFF;
}

.banner .middle .title {
    margin-bottom: 52px;
    font-size: 16px;
}

.banner .middle .title span {
    font-weight: 500;
    font-size: 1.93em;
    line-height: 44px;
}

.banner .middle .title span:nth-child(1) {
    font-size: 4.06em;
    font-weight: 500;
    line-height: 91px;
    margin-bottom: 14px;
    white-space: nowrap;
}

.banner .middle .button img {
    display: inline-block;
}

.banner .title span {
    font-size: 1.93em;
}

.banner .down {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
}

/*平台介绍*/
.introduce .top {
    width: calc(100% - 49.84%);
    margin-left: auto;
}

.introduce-content {
    display: flex;
    align-items: flex-start;
}

.introduce-content .left {
    width: calc(100% - 70.31%);
    min-width: 300px;
}

.introduce-content .title {
    align-items: flex-start;
    margin-left: 168px;
    font-size: 26px;
    font-weight: bold;
    line-height: 32px;
    color: #A7A7A7;
}

.introduce-content .title span:nth-child(2) {
    font-size: 40px;
    font-weight: 600;
    line-height: 56px;
    color: #000000;
}

.introduce-content .title span:nth-child(3) {
    font-size: 20px;
    font-weight: 400;
    color: #999999;
    line-height: 40px;
    margin-top: 80px;
}

/*平台功能*/
.function {
    padding-top: 30px;
    padding-left: 360px;
    background: url("../img/home/function_BG.png") no-repeat;
    background-size: cover;
    margin-bottom: 145px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.function .title {
    align-items: flex-start;

    margin-top: 82px;
}

.function .title span {
    font-size: 26px;
    font-weight: bold;
    line-height: 32px;
    color: #A7A7A7;
}

.function .title span:nth-child(2) {
    font-size: 28px;
    font-weight: 600;
    color: #333333;
    line-height: 40px;
}

.function .bottom {
    margin-top: 60px;
}

.function .bottom .list {
    display: flex;
    margin-top: 25px;
    width: 408px;
}

.function .bottom .list .icon {
    width: 16px;
    height: 16px;
    background: #6461C6;
    box-shadow: 2px 4px 8px 0px rgba(67, 65, 138, 0.35);
    border-radius: 50%;
}

.function .bottom .list p:nth-child(1) {
    line-height: 16px;
    margin-left: 32px;
    font-size: 20px;
    font-weight: 500;
    color: #666666;
}

.function .bottom .list p:nth-child(2) {
    margin-left: 32px;
    line-height: 28px;
    font-weight: 400;
    font-size: 20px;
    color: #999999;
    margin-top: 10px;
}

.function .right {
    position: relative;
    right: 0;
    width: calc(100% - 59.06%);
    top: 0px;
    min-width: 300px;
}

/*平台优势*/
.advantages {
    width: 100%;
    height: 312px;
    background: url("../img/home/advantages.png") no-repeat;
    background-size: cover;
    margin-bottom: 189px;
}

.advantages > .title {
    font-size: 26px;
    color: #FFFFFF;
    line-height: 32px;
    font-weight: bold;
    padding-top: 60px;
}

.advantages .title span:nth-child(2) {
    font-weight: 600;
    line-height: 40px;
    font-size: 28px;
}

.advantages-content ul {
    display: flex;
    justify-content: center;
    /*flex-wrap: wrap;*/
    /*position: absolute;*/
    bottom: 0;
    /*margin-bottom: -106px;*/
    /*left: 50%;*/
    /*transform: translate(-50%, 50%);*/
    max-width: 1400px;
    min-width: 100%;
}

.advantages-content ul li {
    margin-top: 67px;
    width: 11.82%;
    min-width: 150px;
    min-height: 227px;
    padding: 19px 17px 22px 17px;
    background: #FFFFFF;
    box-shadow: 6px 13px 30px 0px rgba(160, 69, 22, 0.21);
    border-radius: 10px;
    margin-right: 16px;

}

.advantages-content ul li:nth-last-child(1) {
    margin-right: 0;
}

.advantages-content .title {
    font-size: 20px;
    font-weight: bold;
    color: #666666;
    line-height: 28px;
    text-align: center;
}

.advantages-content li div:nth-child(2) {
    width: calc(100%);
    font-size: 16px;
    color: #999999;
    font-weight: 400;
    margin-top: 13px;
}

/* 企业动态 */
.news {
    padding-bottom: 249px;
}

.news .title {
    display: flex;
    justify-content: center;
    margin-top: 12px;
    margin-bottom: 87px;
}

.news .title span {
    font-size: 26px;
    font-weight: bold;
    line-height: 32px;
    color: #A7A7A7;
}

.news .title span:nth-child(2) {
    font-size: 28px;
    font-weight: 600;
    color: #333333;
    line-height: 40px;
}

/*tab栏*/
.tab {
    display: flex;
    overflow-x: auto;
}

.tab div {
    font-size: 24px;
    font-weight: 600;
    line-height: 33px;
    margin-right: 80px;
}

.tab span:nth-child(2) {
    display: block;
    margin-top: 13px;
    content: '';
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background-color: transparent;

}

.tab .active {
    color: #FF803F;
}

.tab .active span:nth-child(2) {
    background-color: #FF803F;
}

.news-main {
    margin-top: 80px;
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 69px;
}

.news-main .big {
    width: 380px;
    margin-left: 30px;
}

.news-main .big:nth-child(3n+1) {
    margin-left: 0;
}
.news-main .big:nth-child(n+4) {
    margin-top: 30px;
}

.news-main .big .top {
    width: 100%;
    height: 285px;
    /*background: #D8D8D8;*/
}
.news-main .big .top img{
    height: 100%;
}
.news-main .big .title {
    font-size: 20px;
    color: #333333;
    font-weight: 600;
    line-height: 28px;
    margin-top: 40px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.news-main .big .title>div:nth-child(1){
    width: 70%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.news-main .big .title>div:nth-child(2){
    font-size: 16px;
    line-height: 22px;
    color: #999999;
    font-weight: 400;
}

.news-main .big .content {
    width: 100%;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-size: 16px;
    font-weight: 400;
    line-height: 30px;
    color: #999999;
}

.news-main .big .bottom {
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    font-weight: 400;
    color: #FF803F;
    line-height: 22px;
    margin-top: 16px;
}

.news-main .big .bottom span:nth-last-child(1) img {
    display: inline-block;
    margin-left: 5px;
}

.news >.bottom {
    width: 100%;
    display: flex;
    justify-content: center;

}
.news >.bottom >div{
    width: 160px;
    height: 57px;
    border: 1px solid #FF803F;
    line-height: 57px;
    text-align: center;
    font-size: 20px;
    color: #FF803F;
}

/* 底部区域 */
/*.footer {*/
/*    width: 100%;*/
/*    height: 340px;*/
/*    display: block;*/
/*    !*background: #3B4054;*!*/
/*    !*position: relative;*!*/
/*    margin: 0 auto;*/
/*    top: 400px;*/
/*}*/

/*.inner {*/
/*    width: 80%;*/
/*    margin: auto;*/
/*}*/

/*.foot-content {*/
/*    display: block;*/
/*    width: 101%;*/
/*    margin: 0 auto;*/
/*    height: 100px;*/
/*    padding-top: 130px;*/
/*    text-align: center;*/
/*}*/

/*.foot-content img {*/
/*    display: inline-block;*/
/*}*/

/*.left-foot {*/
/*    width: 100%;*/
/*    height: 250px;*/
/*    margin-left: 70px;*/
/*}*/

/*.foot-left {*/
/*    width: 72%;*/
/*    height: 250px;*/
/*    margin-top: 20px;*/
/*}*/

.qr-img-div {
    width: 50%;
    height: 100%;
    float: left;
}

.qr-desc {
    margin: 0 auto;
    margin-top: 16px;
}

.w10 {
    width: 127px;
}

.w15 {
    width: 100px;
}

.foot-font {
    display: inline;
    letter-spacing: 3px;
    height: 16px;
    font-size: 14px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #C7C7C7;
    line-height: 0px;
}

.font-a,
.font-a:hover,
.font-a:visited,
.font-a:link,
.font-a:active {
    display: inline;
    letter-spacing: 3px;
    height: 16px;
    font-size: 14px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #C7C7C7;
    line-height: 0px;
    text-decoration: none;
}