.mainboxabout {
    position: relative;
}

.mainboxabout .mbox {
    padding: 100px 0;
}

.mainboxabout .topbanner {
    display: flex;
    align-items: center;
    height: 731px;
    position: relative;
    justify-content: center;
}

.mainboxabout .topbanner .topbanimg {
    width: 100%;
    height: 731px;
    object-fit: cover;
}

.mainboxabout .topbanner .topbanwrap {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 1;
    transform: translate(-50%, -50%);
    width: 80%;
}

.mainboxabout .topbanner .topbanwrap .topbanname {
    text-align: center;
    font-weight: 500;
    font-size: 60px;
    line-height: 84px;
    color: white;
}

.mainboxabout .topbanner .topbanwrap .topbanname span {
    color: #00b03e;
}

.mainboxabout .topbanner .topbanwrap .topbantips {
    margin-top: 18px;
    color: white;
    font-weight: 300;
    font-size: 26px;
    line-height: 36px;
    text-align: center;
}

.mainboxabout .tabbar {
    position: absolute;
    left: calc(50% - 600px);
    background: #f5f6f8;
    padding: 40px 0;
    display: flex;
    align-items: center;
    margin-top: -50px;
    z-index: 8;
    justify-content: center;
}

.mainboxabout .tabbar .tabitem {
    color: #00001c;
    font-family: "PingFang SC";
    font-weight: 300;
    font-size: 14px;
    position: relative;
    cursor: pointer;
}

.mainboxabout .tabbar .tabitem + .tabitem {
    margin-left: 120px;
}

.mainboxabout .tabbar .tabitem:hover {
    font-weight: 500;
    position: relative;
}

.mainboxabout .tabbar .tabitem:hover:after {
    content: "";
    width: 56px;
    height: 4px;
    background: #00b03e;
    position: absolute;
    bottom: -8px;
    left: calc(50% - 28px);
}

.mainboxabout .tabbar .tabitem.active {
    font-weight: 500;
}

.mainboxabout .tabbar .tabitem.active:after {
    content: "";
    width: 56px;
    height: 4px;
    background: #00b03e;
    position: absolute;
    bottom: -8px;
    left: calc(50% - 28px);
}

.blockheader .tt {
    color: #00001c;
    font-family: "PingFang SC";
    font-weight: 600;
    font-size: 24px;
    line-height: 34px;
    width: max-content;
    position: relative;
}
.blockheader .tt::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -10px;
    height: 1px;
    background: #00b03e;
}
.blockheader .shape {
    width: 56px;
    height: 8px;
    margin-top: 16px;
}

.block1 {
    background: white;
}

.block1 .blockcontainer {
    justify-content: space-between;
    align-items: flex-start;
    padding-top: 44px;
}

.block1 .blockcontainer .contaleft {
    width: 395px;
    min-height: 250px;
    padding-top: 20px;
    display: flex;
    flex-direction: column;
}

.block1 .blockcontainer .contaleft .lefttest {
    color: #000000;
    font-family: "PingFang SC";
    font-weight: 400;
    font-size: 16px;
    text-align: justify;
    line-height: 26px;
}

.block1 .blockcontainer .contaright {
    width: 747px;
    height: 250px;
    position: relative;
}
/*.block1 .blockcontainer .contaright .swiper-container{*/
/*    width: 100%;*/
/*}*/
.block1 .blockcontainer .contaright .swiper-container .swiper-slide {
    width: 444px;
    height: 250px;
    background: #fff;
    box-shadow: 0 2px 3px #ddd;
    position: relative;
}
.block1 .blockcontainer .contaright .swiper-container .swiper-slide .playbtn{
    width: 100px;
    height: 100px;
    position: absolute;
    top: calc(50% - 50px);
    left: calc(50% - 50px);
    cursor: pointer;
}

.block1 .blockcontainer .contaright .swiper-container .swpimg{
    width: 444px;
    height: 250px;
    object-fit: cover;
    display: block;
}

.block1 .blockcontainer .contaright .block1img {
    width: 747px;
    height: 250px;
}

.block1 .blockcontainer .contaright .btn {
    padding: 16px 80px;
    background: #00b03e;
    width: max-content;
    color: #ffffff;
    font-family: "PingFang SC";
    font-weight: 400;
    font-size: 15px;
    line-height: 21px;
    position: absolute;
    left: calc(50% - 125px);
    bottom: -27px;
    cursor: pointer;
}

.block1 .blockcontainer .contaright .btn .btnmore {
    width: 15px;
    height: 15px;
    margin-left: 4px;
}

.block1 .blockmoreline {
    margin-top: 57px;
    display: flex;
    justify-content: space-around;
    padding: 0 35px 0px;
}

.block1 .blockmoreline .moreitem {
    width: 20%;
    text-align: center;
}

.block1 .blockmoreline .moreitem .mitemtop {
    justify-content: center;
    align-items: baseline;
}

.block1 .blockmoreline .moreitem .mitemtop .mnums {
    text-align: center;
    color: #00001c;
    font-family: "Alimama FangYuanTi VF";
    font-weight: 700;
    font-size: 50px;
}

.block1 .blockmoreline .moreitem .mitemtop .munit {
    color: #00001c;
    font-family: "PingFang SC";
    font-weight: 300;
    font-size: 20px;
    margin-left: 8px;
}

.block1 .blockmoreline .moreitem .desc {
    background: linear-gradient(#00001c66, #00001c66), #ffffff;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent;
    font-family: "PingFang SC";
    font-weight: 400;
    font-size: 14px;
    margin-top: 12px;
}

.block2 {
    background: url(../images/about/blockbg.png) no-repeat top/cover;
    width: 100%;
    /*min-height: 942px;*/
}

.block2 .mcontantinerr {
    padding: 40px 0;
    display: flex;
    flex-wrap: wrap;
}

.block2 .mcontantinerr .item {
    width: 50%;
    display: flex;
    align-items: center;
}

.block2 .mcontantinerr .itemright {

}

.block2 .mcontantinerr .itemright .btn {
    height: 61px;
    width: 516px;
    padding: 16px 80px;
    color: #ffffff;
    font-family: "PingFang SC";
    font-weight: 400;
    font-size: 15px;
    line-height: 21px;
    cursor: pointer;
    margin: 0 40px;
    justify-content: center;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    border: 1px solid #ffffff;
    transition: all 0.15s ease-in-out;
    position: relative;
}

/*.block2 .mcontantinerr .itemright .btn:hover {*/
/*  background: white;*/
/*  color: #2a2a30;*/
/*}*/
.block2 .mcontantinerr .itemright .btnmore {
    width: 15px;
    height: 15px;
    margin-left: 4px;
}

.block2 .mcontantinerr .itemright .btn:after {
    content: "";
    width: 15px;
    height: 15px;
    background: url(../images/home/rightIconwhite.png) no-repeat;
    background-size: 100% 100%;
    display: block;
    position: absolute;
    right: 40px;
    z-index: 8;
}

.block2 .mcontantinerr .itemright .btn:hover {
    background: white;
    border: 1px solid #00b03e;
    color: #2a2a30;
}

.block2 .mcontantinerr .itemright .btn:hover:after {
    content: "";
    width: 15px;
    height: 15px;
    background: url(../images/home/rightIcongray.png) no-repeat;
    background-size: 100% 100%;
    display: block;
    position: absolute;
    right: 40px;
    z-index: 8;
}

.itemcontext {
    flex: 1;
    padding-right: 40px;
}

.block2 .mcontantinerr .item .itemicon {
    width: 178px;
    height: 178px;
    margin-right: 36px;
}

.block2 .mcontantinerr .item .itemtt {
    color: #ffffff;
    font-family: "PingFang SC";
    font-weight: 600;
    font-size: 24px;
}

.block2 .mcontantinerr .item .itemdesc {
    font-family: "PingFang SC";
    font-weight: 400;
    font-size: 16px;
    margin-top: 16px;
    color: #e0e0e4;
}

.mt64 {
    margin-top: 64px;
}


.block2 .tt {
    color: white !important;
}

.block2 .block2con {
    margin-top: 47px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 47.5px;
    color: white;
}

.block2 .block2con .contt {
    justify-content: space-between;
    font-family: "PingFang SC";
    font-weight: 600;
    font-size: 16px;
}

.block2 .block2con .mconbox .bbtt {
    font-family: "PingFang SC";
    font-weight: 600;
    font-size: 16px;
}

.block2 .block2con .mconbox .bbdesc {
    font-family: "PingFang SC";
    font-weight: 300;
    font-size: 14px;
    margin-top: 12px;
}

.block2 .block2con .mconbox .bbwrap {
    margin-top: 48px;
    display: flex;
}

.block2 .block2con .mconbox .bb {
    width: 283px;
    margin-right: 50px;
}

.block2 .block2con .mconbox .bb4 {
    margin-top: 48px;
}

.block2 .block2con .mconbox .bb4 .bbdesc {
    margin-top: 7px;
}

.block3 {
    background: white;
}
.block3 .blockheader .tt{
    margin: 0 auto;
}
.block3 .imglist {
    flex-wrap: wrap;
    width: 948px;
    margin: 0 auto;
    justify-content: space-between;
}

.block3 .imglist .imgitem {
    width: 470px;
    height: 325px;
    object-fit: contain;
}
.ss2{
    background: #fafbfc;
}
.ss2 .blockss2 {
    /*margin: 150px 0 100px 0;*/
    width: 100%;
    max-width: 1920px;
    height: 669px;
    margin: 0 auto;
}

.ss2 .blockss2 .mbox {
    padding: 0;
    position: relative;
    overflow: hidden;
}
.ss2 .blockss2 .mbg{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.ss2 .blockss2 .mbox .blockheader{
    padding-top: 80px;
}
.ss2 .blockss2 .mbox .siderBar {
    float: left;
    width: 294px;
    position: relative;
}

.ss2 .blockss2 .mbox .siderBar ul,
.ss2 .blockss2 .mbox .siderBar li {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ss2 .blockss2 .mbox .siderBar li {
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    color: #00001c;
    font-family: "Alimama FangYuanTi VF";
    font-weight: 600;
    font-size: 20px;
}

.ss2 .blockss2 .mbox .siderBar li.cur {
    color: #00b03e;
}

.ss2 .blockss2 .mbox .siderBar li:hover {
    color: #00b03e;
}

.ss2 .blockss2 .mbox .siderBar .desc {
    color: #00001c;
    font-family: "PingFang SC";
    font-weight: 400;
    font-size: 12px;
    line-height: 17px;
    margin-top: 4px;
    padding: 4px 0 0 0;
}

.ss2 .blockss2 .mbox .siderBar .shapeline {
    padding-bottom: 19px;
    width: 16px;
    height: 0px;
    border-top: 1px solid #00001c;
    margin-top: 19px;
}

.ss2 .blockss2 .mbox .siderBar .shapeline + .shapeline {
    margin-top: 0;
}

.ss2 .blockss2 .mbox .lchtml {
    float: right;
    width: 900px;
}

.ss2 .blockss2 .mbox .lchtml .item {
    color: #fff;
    text-align: center;
    overflow: hidden;
}

.ss2 .blockss2 .mbox .lchtml .item .adimg {
    width: 100%;
}

.ss2 .blockss2 .mbox .lchtml .item .adbox {
    padding: 44px 0;
}

.ss2 .blockss2 .mbox .lchtml .item .adtext {
    background: linear-gradient(#00001cb3, #00001cb3), #ffffff;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent;
    font-family: "PingFang SC";
    font-weight: 400;
    font-size: 16px;
    line-height: 22px;
}

.ss3 .block3 {
    padding-top: 40px;
    background: white;
    text-align: center;
}

.ss3 .block3 .mbox {
    padding-bottom: 87px;
}

.ss3 .block3 .block3tt {
    color: #00001c;
    font-family: "PingFang SC";
    font-weight: 600;
    font-size: 24px;
    line-height: 34px;
}

.ss3 .block3 .desc {
    background: linear-gradient(#00001c66, #00001c66), #ffffff;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent;
    font-family: "PingFang SC";
    font-weight: 400;
    font-size: 15px;
    line-height: 21px;
    margin-top: 25px;
}

.ss3 .block3 .block3mimg {
    width: 100%;
    margin-top: 40px;
}

.ss4 .block4 {
    background: #fafbfc;
    padding-top: 10px;
}

.ss4 .block4 .mbox .blockheader{
    margin-bottom: 40px;
}

.ss4 .block4 .mbox .lllimg {
    width: 445px;
    height: 250px;
    object-fit: contain;
    margin-right: 59px;
}

.ss4 .block4 .mbox .csrinfo {
    flex: 1;
}
.block4 .mbox .csrinfo .csrname{
    color: #00001c;
    font-family: "PingFang SC";
    font-weight: 600;
    font-size: 40px;
    line-height: 56px;
}
.block4 .mbox .csrinfo .csrsubtext{
    margin-top: 16px;
    align-items: baseline;
    color: #00001c;
    font-family: "PingFang SC";
    font-weight: 500;
    font-size: 20px;
    line-height: 28px;
}
.block4 .mbox .csrinfo .sssz{
    font-size: 14px;
    line-height: 20px;
}

.videopalybox{
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    background: rgba(0, 0, 0, 1);
    z-index: 9999;
    display: flex;
    align-items: center;
}
.videopalybox .video{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.videopalybox .closevideo{
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 99999999;
    width: 40px;
    height: 40px;
    cursor: pointer;
}