.m-header {
    display: none
}

.m-cover {
    display: none
}

.container {
    width: 1600px;
    margin: 0 auto;
    position: relative
}

.main {
    width: 1400px;
    margin: 0 auto;
    position: relative
}

.header {
    width: 100%;
    height: 100px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: fixed;
    z-index: 99;
    transition: all 0.3s
}

.header .main {
    display: flex;
    align-items: center;
    justify-content: space-between
}

.header .logo {
    width: 228px
}

.header .logo img {
    width: 100%
}

.header .nav {
    height: 100%;
    display: flex;
    align-items: center;
    position: relative
}
.header .select{
    width: 66px;
    height: 33px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    border-radius: 4px;
    border: 1px solid #fff;
    color: #fff;
    cursor: pointer
}
.header .nav .items {
    height: 100%;
    margin-right: 50px
}

.header .nav .items > .item {
    height: 100%;
    line-height: 100px;
    font-size: 16px;
    color: #fff;
    display: block
}

.header .nav .items.active .item {
    color: #ef4444 !important;
    position: relative
}

.header .nav .items.active .item:before {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: #ef4444;
    bottom: 22px;
    left: 0
}

.header .nav .items:last-child {
    margin-right: 0
}

.header .nav .items .down-box {
    position: absolute;
    padding-top: 10px;
    width: 100%;
    left: 0;
    display: none
}

.header .nav .items .down-box .nav-box {
    background-color: #fff;
    height: 60px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    padding: 0 30px
}

.header .nav .items .down-box .nav-box .tt {
    font-size: 14px;
    color: #333;
    margin-right: 35px;
    height: 100%;
    line-height: 60px;
    cursor: pointer
}

.header .nav .items .down-box .nav-box .tt i {
    display: inline-block;
    margin-left: 6px;
    font-size: 12px
}

.header .nav .items .down-box .nav-box .tt:hover {
    color: #ef4444
}

.header .nav .items .down-box .nav-box .tt:hover a {
    color: #ef4444
}

.header .nav .items .down-box .nav-box .tt:last-child {
    margin-right: 0
}

.header .nav .items:hover .down-box {
    display: block
}

.header:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transition: all 0.3s
}

.header.fixed {
    background-color: #fff;
    transition: all 0.3s
}

.header.fixed .nav .items > .item {
    color: #333
}
.header.fixed .select{
    border: 1px solid #333;
    color: #333;
}
.publicPage {
    text-align: center
}

.publicPage a {
    border: 1px solid #ccc;
    padding: 7px 11px;
    cursor: pointer
}

.publicPage a.active {
    background-color: #e54240;
    border: #e54240;
    color: #fff
}

.textWrapper {
    width: 80%;
    position: absolute;
    z-index: 11;
    left: 50%;
    top: 270px;
    color: #fff;
    transform: translateX(-50%)
}

.textWrapper .text {
    width: 50%
}

.textWrapper .text .title {
    font-size: 30px
}

.textWrapper .text .enTitle {
    font-size: 16px;
    padding: 20px 0
}

.textWrapper .text .line {
    width: 24px;
    margin-bottom: 27px;
    border: 1px solid #fff
}

.index-banner {
    position: relative
}

.index-banner img {
    width: 100%
}

.index-banner .mask {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    background-color: #000;
    opacity: 0.2
}

.com-more {
    width: 180px;
    height: 60px;
    line-height: 60px;
    background-color: #ef4444;
    display: block;
    border-radius: 16px 0px 16px 0px;
    font-size: 16px;
    color: #fff;
    text-align: center
}

.footer {
    background-color: #f8f8f8;
    padding: 50px 0;
    margin-top: 50px
}

.footer .footer-box {
    display: flex;
    justify-content: space-between
}

.footer .footer-box .left .logo img {
    width: 100%
}

.footer .footer-box .left .link {
    margin-top: 30px
}

.footer .footer-box .left .link a {
    display: flex;
    align-items: center;
    font-size: 14px;
    line-height: 32px;
    color: #666
}

.footer .footer-box .left .link a img {
    width: 18px;
    margin-right: 10px;
    flex-shrink: 0
}

.footer .footer-box .right-nav {
    width: 62.5%;
    display: flex;
    align-items: flex-start;
    justify-content: space-between
}

.footer .footer-box .right-nav .items .tt {
    font-size: 18px;
    line-height: 18px;
    font-weight: bold;
    margin-bottom: 15px
}

.footer .footer-box .right-nav .items .item-box {
    height:200px;
    padding-right: 10px;
    overflow-y: auto;
}
.footer .footer-box .right-nav .items .item-box::-webkit-scrollbar{
    width: 2px;
    height: 10px;
    background-color: #F5F5F5;
}
.footer .footer-box .right-nav .items .item-box::-webkit-scrollbar-track{
    background-color: #ffffff;
}
.footer .footer-box .right-nav .items .item-box::-webkit-scrollbar-thumb{
    background-color: #333;
}

.footer .footer-box .right-nav .items .item-box .item {
    font-size: 14px;
    line-height: 32px;
    display: block
}

.footer .footer-box .right-nav .items .item-box .item:hover {
    color: #ef4444;
    text-decoration: underline
}

.video-cover {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    position: fixed;
    display: none
}

.video-cover video {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.video-cover .close {
    width: 64px;
    height: 64px;
    background-size: 100%;
    background-position: center;
    background-repeat: no-repeat;
    display: block;
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    background-image: url("../img/cha.png");
    cursor: pointer
}