html, body {
    margin: 0;
    padding: 0;
}

body {
    /*background: #283C69;*/
}
a {
    text-decoration: none;
}
img {
    display: block;
}

.main {
    /*height: 100vh;*/
    background-size: cover;
    background-position: center;
}

.bgBlurred {
    width: 100%;
    height: 100%;
    position: absolute;
    background: rgba(39,60,105, 0.3);
    z-index: 1;
}

.navhide {
    display: none;
    position: absolute;
    width: 100%;
    font-size: 16px;
    z-index: 101;
}

.navshow {
    position: absolute;
    width: 100%;
    font-size: 16px;
    z-index: 100;
}

.nav {
    color: #ffffff;
    display: flex;
    justify-content: space-between;
    padding: 10px 10%;
}

.nav .navlist {
    display: flex;
}

.navlist .item {
    margin: 10px 0px 10px 100px;
}

.nav .menuactive {
    border-bottom: 2px solid #ffffff;
    padding: 0 0 5px;
}


.nav .weixin{
    display: flex;
    margin: 12px 0px 10px 0px;
    font-size: 12px;
    font-weight: bold;
}
.nav .weixin a:-webkit-any-link {
    cursor: pointer;
    text-decoration: underline;
}
.nav .weixin .icon{
    width: 20px;
    height: 18px;
    margin-right: 10px;
}

.nav .weixin .weixincode{
    position: absolute;
    display: none;
    margin-top: 40px;
    z-index: 10;
}
.nav .weixin:hover .weixincode{
    display: block;
    /*position: absolute;*/
}

.nav .weixin .code{
    width: 116px;
    margin-right: 10px;
}


.nav2 {
    background: #ffffff;
    color: #333;
    display: flex;
    justify-content: space-between;
    padding: 10px 10%;

}

.nav2 .navlist {
    display: flex;
}

.subhide {
    display: none;
    position: absolute;
    background: #ffffff;
}

.subitem {
    padding: 50px 20px;
    width: 800px;
    background: #ffffff;
    color: #333;
    display: flex;
    flex-wrap: wrap;
}

.subitem .name {
    display: flex;
    justify-content: center;
    margin: 15px 0;
    width: 200px;
    font-size: 20px;
    border-bottom: 0px solid #ffffff;
}

.subitem .name a {
    color: #333;
    text-decoration: none;
}

.subitem .name a:hover {
    color: #3372FF;
}

.nav2 .item {
    border-bottom: 3px solid #ffffff;
    padding: 0 0 5px;

}

.nav2 .item:hover {
    border-bottom: 3px solid #283C69;
    padding: 0 0 5px;
    transition: all 500ms  ease-in;
}

.nav2 .item:hover .subhide {
    display: flex;
    margin-top: 8px;
    background: #ffffff;
    left: 0;
    width: 100%;
    justify-content: center;
    overflow: hidden;
    animation:move 0.5s 0s;
    z-index: 999;
}
@keyframes move{
    /*设置animation动画参数*/
    0%{
        /*动画开始时*/
        height:0px;
    }
    100%{
        /*动画结束时*/
        height: 320px;
    }
}

.nav2 .navlist a {
    color: #333;
    text-decoration: none;
}

.nav2 .navlist a {
    color: #333;
    text-decoration: none;
}


.nav2 .weixin{
    display: flex;
    margin: 12px 0px 10px 0px;
    font-size: 12px;
}

.nav2 .weixin .icon{
    width: 20px;
    height: 16px;
    margin-right: 10px;
}
.nav2 .weixin .weixincode{
    position: absolute;
    display: none;
    margin-top: 40px;
    z-index: 10;
}
.nav2 .weixin:hover .weixincode{
    display: block;
}

.nav2 .weixin .code{
    width: 116px;
    margin-right: 10px;
}



/*}*/
.containerfirst {
    height: 100vh;
    /*margin: 100px 0;*/
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
    /*position: absolute;*/
    width: 100%;
}

a {
    color: #fff;
}

a:hover {
    color: #fff;
}

.containerfirst .title {
    margin: 0vh 25% 10vh;

}

.containerfirst .title img {
    width: 100%;
}

.containerfirst .desc {
    margin: 10vh 25% 0;
}

.containerfirst .desc img {
    width: 100%;
}

.containerfirst .video {
    display: flex;
    justify-content: center;
    margin: 0% 0;
}

.containerfirst  .video img {
    width: 200px;
    height: 100%;
    cursor: pointer;
}



.movie {
    margin: 0px auto;
    display: none;
    position: absolute;
    width: 80%;
    height: 100%;
    background: #000;
}

.movie .close {
    position: absolute;
    right: 10px;
    font-size: 18px;
    z-index: 500;
    padding: 5px;
    cursor: pointer;
    color: #ffffff;
}

#background_video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    height: 100%;
    width: 100%;
    z-index: 0;
}


.footer {
    color: #ffffff;
    background: #2F3137;
    padding: 40px 10% 20px;
}
.footer .flex{
    display: flex;
    justify-content: space-between;
}
.footer .logo{
    width: 140px;
    height: 40px;
}
.footer .name{
    margin: 30px 0 20px;
    font-size: 14px;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #FFFFFF;
}
.footer .sub{
    margin: 10px 0 ;
    font-size: 12px;
    font-family: PingFangSC-Light, PingFang SC;
    font-weight: 300;
    color: #CACDD5;
}

.footer .footer-bottom{
    display: flex;
    justify-content: center;
    font-size: 12px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 17px;
    margin: 20px;
}
.footer  .line{
    padding: 20px 10%;
    border-bottom: 1px solid #898D98;
}
.footer .sub .link{
    color: #CACDD5;
    margin-right: 10px;
}
.footer .sub .code{
    width: 116px;
}