/* 首页 */
    
    html {
        min-width: 1366px;
        overflow-x: auto;
    }
    
    body {
        overflow-x: auto;
    }
    
    .header {
        width: 100%;
        height: 127px;
    }
    
    .section {
        width: 100%;
        height: 100%!important;
        overflow: hidden;
        position: relative;
    }
    /*第一屏*/
    
    .section:first-child {
        /* background-color: #363162;
    */
        background: url(../images/beijing.png) no-repeat;
        background-size: cover;
    }
    /*第二屏*/
    
    .section:nth-child(2) {
        background-color: #fafafa;
    }
    /*第三屏*/
    
    .section:nth-child(3) {
        /* background-color: #363162;
    */
    }
    /*第四屏*/
    
    .section:nth-child(4) {
        background-color: #FAFAFA;
    }
    
    .section:nth-child(5) {
        background-color: #363162;
    }
    /*打字效果*/
    
    @keyframes typing {
        from {
            width: 0;
        }
        to {
            width: 5.5rem;
        }
    }
    /* cs样式 */
    /* .center {
    width: 86.8%;
    height: 100%;
    margin: 0 6.6%;
}
.nav {
    width: 100%;
    height: 11.25rem;
    line-height: 11.25rem;
    display: flex;
}
.nav div {
    flex: 1;
    width: 100%;
    height: 100%;
    text-align: center;
}
.nav div a {
    font-size: 1.25rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
}
.bk {
    display: inline-block;
    width: 8.125rem;
    height: 3.75rem;
    text-align: center;
    line-height: 3.75rem;
    border: 1px solid rgba(255, 255, 255, 1);
    border-radius: 1.875rem;
}
.nav .nav-one {
    flex: 4;
} */
    
    .infomation {
        width: 100%;
        height: 22.5rem;
        margin-top: 8%;
    }
    
    .info-one span {
        font-size: 3rem;
        font-family: FZZhengHeiS-DB-GB;
        font-weight: 400;
        color: rgba(255, 255, 255, 1);
    }
    
    .info-two {
        width: 43.125rem;
        font-size: 1.125rem;
        margin-top: 2%;
        font-family: PingFang SC;
        line-height: 2.375rem;
        font-weight: 500;
        color: rgba(255, 255, 255, 1);
    }
    
    .btns {
        width: 15%;
    }
    
    .register {
        width: 25%;
        height: 36%;
        background: linear-gradient(215deg, rgba(2, 177, 175, 1), rgba(0, 198, 173, 1));
        /* box-shadow: 0rem 0.4375rem 2.625rem 0rem rgba(49, 49, 49, 0.3); */
        border-radius: 1.875rem;
        font-size: 1.25rem;
        font-family: Adobe Heiti Std;
        font-weight: normal;
        color: rgba(255, 255, 255, 1);
        outline-style: none;
        border: none;
        margin-top: 6%;
        float: left;
    }
    
    .catch {
        width: 100%;
        height: 32%;
        text-align: center;
        line-height: 3.5rem;
        border: 2px solid rgba(255, 255, 255, 1);
        border-radius: 1.875rem;
        margin: 6% 0 0 0;
        font-size: 1.25rem;
        font-family: SourceHanSansCN;
        font-weight: 400;
        color: rgba(254, 254, 254, 1);
    }
    
    .catch span {
        display: inline-block;
        width: 2rem;
        height: 2rem;
        float: right;
        line-height: 2rem;
        background: linear-gradient(215deg, rgba(2, 177, 175, 1), rgba(0, 198, 173, 1));
        box-shadow: 0rem 0.4375rem 2.625rem 0rem rgba(49, 49, 49, 0.3);
        border-radius: 50%;
        margin: 5% 4% 0 0;
    }
    
    .dapo {
        width: 100%;
        margin-top: 5%;
        text-align: center;
        position: relative;
    }
    
    .dapo span:nth-child(1) {
        display: block;
        margin: 0 auto;
        font-size: 1.875rem;
        display: block;
        width: 22.5%;
        text-align: center;
        line-height: 2.75rem;
        background: url(../images/znsb.png) no-repeat;
        background-size: 100%;
    }
    
    .dapo span:nth-child(2) {
        display: block;
        margin-top: 2rem;
        font-size: 1.5rem;
        font-family: 59;
        font-weight: 400;
        color: rgba(124, 124, 124, 1);
    }
    
    .yly {
        position: absolute;
        top: -2%;
        left: 35%;
    }
    
    .ylz {
        position: absolute;
        top: -2%;
        right: 35%;
    }
    
    .case-content-bg {
        padding-bottom: 0;
        height: 41.5625rem;
        background-size: cover;
        background-position: center 50%;
        -webkit-transition: all 1s;
        -moz-transition: all 1s;
        -ms-transition: all 1s;
        -o-transition: all 1s;
        transition: all 1s;
    }
    
    .case-content-info {
        background-position: center 10%;
        padding: 4rem 0;
    }
    
    .case-box {
        margin: 0 auto;
        position: relative;
    }
    
    .case-box-title {
        text-align: center;
        color: #fff;
        font-weight: normal;
        padding-bottom: 2.5rem;
    }
    
    .case-box-title em {
        display: block;
        margin-bottom: 0.875rem;
        font-style: normal;
        font-size: 1.875rem;
        font-weight: normal;
    }
    
    .case-box-title span {
        font-size: 1rem;
        opacity: .6;
        color: #fff;
        text-align: center;
    }
    
    .case-item {
        cursor: pointer;
        /* width: 19.625rem; */
        height: 28.125rem;
        background: rgba(255, 255, 255, 1);
        border: 1px solid rgba(230, 230, 230, 1);
        /* float: left; */
        flex: 1;
        display: block;
        margin: 1.25rem 0 0 0;
        position: relative;
        -webkit-transition: all 0.3s;
        -moz-transition: all 0.3s;
        -ms-transition: all 0.3s;
        -o-transition: all 0.3s;
        transition: all 0.3s;
        overflow: hidden;
    }
    
    .case-wrapper .case-item:hover {
        margin-top: 0;
        height: 34.4375rem;
        background: linear-gradient(0deg, rgba(249, 110, 12, 1) 48%, rgba(255, 160, 45, 1) 100%);
        box-shadow: 0rem 0rem 1.9375rem 0rem rgba(226, 165, 92, 0.5);
        border-radius: 0.25rem;
        font-size: 1.125rem;
        color: rgba(250, 250, 250, 1);
    }
    
    .case-wrapper .case-item:hover .case-item-text {
        font-size: 14px;
        color: rgba(250, 250, 250, 1);
    }
    
    .case-wrapper .case-item:hover .case-item-bg {
        background: #FFFFFF;
    }
    
    .case-item-bg1 {
        margin: auto;
        background-size: contain;
    }
    
    .case-item-bg2 {
        margin: auto;
        background-size: contain;
    }
    
    .case-item-bg3 {
        margin: auto;
        background-size: contain;
    }
    
    .case-item-bg4 {
        margin: auto;
        background-size: contain;
    }
    
    .case-item-bg {
        width: 6.25rem;
        height: 6.25rem;
        border-radius: 3.125rem;
        margin-top: 3.125rem;
        background: linear-gradient(90deg, rgba(250, 145, 21, 1) 0%, rgba(249, 111, 13, 1) 100%);
        position: relative;
    }
    
    .case-item-bg img {
        position: absolute;
        top: 50%;
        width: 50%;
        height: 50%;
        margin-top: -1.5625rem;
        left: 50%;
        margin-left: -1.5625rem;
    }
    
    .case-item-bg span {
        position: absolute;
        top: 50%;
        width: 50%;
        height: 50%;
        margin-top: -1.5625rem;
        left: 50%;
        margin-left: -1.5625rem;
    }
    
    .case-wrapper .case-item:hover .case-one {
        background: url(../images/fzs.png) no-repeat;
        background-size: contain;
    }
    
    .case-wrapper .case-item:hover .case-two {
        background: url(../images/kels.png) no-repeat;
        background-size: contain;
    }
    
    .case-wrapper .case-item:hover .case-thr {
        background: url(../images/ads.png) no-repeat;
        background-size: contain;
    }
    
    .case-wrapper .case-item:hover .case-for {
        background: url(../images/liwus.png) no-repeat;
        background-size: contain;
    }
    
    .case-one {
        background: url(../images/fz.png) no-repeat;
        background-size: contain;
    }
    
    .case-two {
        background: url(../images/kel.png) no-repeat;
        background-size: contain;
    }
    
    .case-thr {
        background: url(../images/ad.png) no-repeat;
        background-size: contain;
    }
    
    .case-for {
        background: url(../images/lw.png) no-repeat;
        background-size: contain;
    }
    
    .case-item-title {
        font-size: 1.125rem;
        color: #fff;
        text-align: center;
        margin: 1.25rem 0;
        line-height: 2.5rem;
    }
    
    .case-item-text {
        font-size: 14px;
        color: #999999;
        line-height: 1.6875rem;
        height: calc(100% - 19.125rem);
        margin: 2.5rem 2.25rem;
        overflow: hidden;
    }
    
    .case-item-doc {
        padding: 1.25rem 1.875rem;
        width: 100%;
        bottom: 0;
        position: absolute;
        background: linear-gradient(90deg, rgba(250, 145, 21, 1) 0%, rgba(249, 111, 13, 1) 100%);
        /* opacity: 0.8;
    */
    }
    
    .case-wrapper .case-item:hover .case-item-doc {
        background: white;
        /* color: #FBC17C;
    */
    }
    
    .case-wrapper .case-item:hover .case-item-doc p {
        color: rgba(249, 111, 13, 1);
    }
    
    .case-item-doc p {
        line-height: 1.875rem;
        margin: 0;
        font-size: 0.875rem;
        color: white;
    }
    
    .case-item-doc p a {
        font-size: 0.875rem;
        color: #fff;
        float: left;
        width: calc(50% - 0.0625rem);
    }
    
    .case-item-doc a+a::before {
        content: '|';
        float: left;
        color: rgba(102, 102, 102, 0.6)
    }
    
    .case-wrapper .case-item+.case-item {
        margin-left: 1.25rem;
    }
    
    .case-wrapper .case-item .case-item-doc a+a {
        text-align: right;
    }
    
    .case-wrapper .case-item a:hover {
        text-decoration: underline;
    }
    /* //箭头 */
    
    .container {
        position: absolute;
        width: 1.5rem;
        height: 1.5rem;
        bottom: 9%;
        left: 50%;
        width: 1.5rem;
        height: 1.5rem;
    }
    
    .chevron {
        position: absolute;
        width: 1.75rem;
        height: 0.5rem;
        opacity: 0;
        transform: scale3d(0.5, 0.5, 0.5);
        animation: move 3s ease-out infinite;
    }
    
    .chevron:first-child {
        animation: move 3s ease-out 1s infinite;
    }
    
    .chevron:nth-child(2) {
        animation: move 3s ease-out 2s infinite;
    }
    
    .chevron:before,
    .chevron:after {
        content: ' ';
        position: absolute;
        top: 0;
        height: 100%;
        width: 51%;
        background: #ccc;
    }
    
    .chevron:before {
        left: 0;
        transform: skew(0deg, 30deg);
    }
    
    .chevron:after {
        right: 0;
        width: 50%;
        transform: skew(0deg, -30deg);
    }
    
    @keyframes move {
        25% {
            opacity: 1;
        }
        33% {
            opacity: 1;
            transform: translateY(1.875rem);
        }
        67% {
            opacity: 1;
            transform: translateY(2.5rem);
        }
        100% {
            opacity: 0;
            transform: translateY(3.4375rem) scale3d(0.5, 0.5, 0.5);
        }
    }
    
    .text {
        display: block;
        margin-top: 4.6875rem;
        margin-left: -1.875rem;
        font-family: "Helvetica Neue", "Helvetica", Arial, sans-serif;
        font-size: 0.75rem;
        color: #ccc;
        text-transform: uppercase;
        white-space: nowrap;
        opacity: 1;
        animation: pulse 2s linear alternate infinite;
    }
    
    @keyframes pulse {
        to {
            opacity: 1;
        }
    }
    /* // */
    /* tab切换 */
    
    .navs {
        will-change: transform;
        position: absolute;
        top: 15%;
        left: 0;
        width: 100%;
        z-index: 1;
        /* background: #1a1a1a;
    */
        -webkit-transform: translateY(-100%);
        -ms-transform: translateY(-100%);
        transform: translateY(-100%);
        -webkit-transition: all 0.45s cubic-bezier(0.23, 1, 0.32, 1);
        transition: all 0.45s cubic-bezier(0.23, 1, 0.32, 1);
    }
    
    .page {
        height: 70vh;
        will-change: transform;
        -webkit-perspective: 25rem;
        perspective: 25rem;
        overflow: hidden;
        -webkit-transition: all 0.45s cubic-bezier(0.23, 1, 0.32, 1);
        transition: all 0.45s cubic-bezier(0.23, 1, 0.32, 1);
        transform: translateY(7.875rem);
        margin-top: 4.5rem;
        position: relative;
    }
    
    .page ul {
        width: 100%;
        height: 100%;
    }
    
    .page ul li {
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
    }
    
    .nav-list {
        display: flex;
    }
    
    .nav-item {
        -webkit-box-flex: 1;
        -webkit-flex: 1;
        -ms-flex: 1;
        flex: 1;
        position: relative;
        -webkit-transition: all 0.45s cubic-bezier(0.23, 1, 0.32, 1);
        transition: all 0.45s cubic-bezier(0.23, 1, 0.32, 1);
    }
    
    .nav-link {
        color: inherit;
    }
    
    .nav__thumb {
        display: block;
        height: 7.5rem;
        transition: all 0.45s cubic-bezier(0.23, 1, 0.32, 1);
    }
    
    .nav__thumb::before {
        content: '01';
        position: absolute;
        top: 50%;
        left: 50%;
        -webkit-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
        font-size: 4.375rem;
        color: rgba(242, 242, 242, 1);
        text-transform: uppercase;
        opacity: 0.6;
    }
    
    .nav__thumb-two::before {
        content: '02';
        position: absolute;
        top: 50%;
        left: 50%;
        -webkit-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
        font-size: 4.375rem;
        color: rgba(242, 242, 242, 1);
        text-transform: uppercase;
        opacity: 0.6;
    }
    
    .nav__thumb-thr::before {
        content: '03';
        position: absolute;
        top: 50%;
        left: 50%;
        -webkit-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
        font-size: 4.375rem;
        color: rgba(242, 242, 242, 1);
        text-transform: uppercase;
        opacity: 0.6;
    }
    
    #nav__label {
        position: absolute;
        top: 50%;
        left: 50%;
        -webkit-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
        text-transform: uppercase;
        letter-spacing: 0.125rem;
        /* margin: 0;
    */
        font-size: 1.875rem;
        font-family: FZZhengHeiS-M-GB;
        font-weight: 400;
        margin-top: 0.625rem;
        color: rgba(0, 0, 0, 1);
    }
    
    .nav__label_bo {
        border-bottom: 0.25rem solid #FBC17C;
        font-size: 2rem!important;
        transition: all 0.3s linear;
    }
    
    .nav-lest {
        display: flex;
    }
    
    .page ul li {
        display: none;
        transform: rotate(30deg);
    }
    
    .page ul li.choose {
        display: block;
        transform: rotate(0deg);
        transition: all 0.5s linear;
    }
    /* */
    
    .yy-zuo {
        width: 35%;
        height: 100%;
    }
    
    .yy-one {
        width: 67%;
        position: absolute;
        padding: 5% 4% 3% 5%;
        top: 18%;
        left: 50%;
        z-index: 3;
        background: rgba(255, 255, 255, 1);
        box-shadow: 0rem 0rem 1.1875rem 0rem rgba(0, 0, 0, 0.11);
        border-radius: 0.5625rem;
    }
    
    .y-one {
        width: 67%;
        position: absolute;
        padding: 5% 4% 3% 5%;
        top: 18%;
        left: 150%;
        z-index: 3;
        background: rgba(255, 255, 255, 1);
        box-shadow: 0rem 0rem 1.1875rem 0rem rgba(0, 0, 0, 0.11);
        border-radius: 0.5625rem;
    }
    
    .yy-one span:nth-child(1),
    .y-one span:nth-child(1) {
        font-size: 1.25rem;
        font-family: FZZhengHeiS-DB-GB;
        font-weight: 400;
        color: rgba(0, 0, 0, 1);
    }
    
    .yy-one span:nth-child(3),
    .y-one span:nth-child(3) {
        display: inline-block;
        font-size: 1.0625rem;
        font-family: PingFang SC;
        font-weight: 400;
        line-height: 27px;
        margin: 2% 0 1% 0;
        color: rgba(89, 89, 89, 1);
    }
    
    .yy-one span:nth-child(5),
    .y-one span:nth-child(5) {
        font-size: 1rem;
        font-family: FZZhengHeiS-M-GB;
        font-weight: 400;
        color: rgba(152, 152, 152, 1);
        line-height: 1.7rem;
    }
    
    .yy-two {
        width: 47.3%;
        height: 64.8%;
        position: absolute;
        top: 8%;
        right: 13%;
        z-index: -1;
    }
    
    .y-two {
        width: 47.3%;
        height: 64.8%;
        position: absolute;
        top: 8%;
        left: 11%;
        z-index: -1;
    }
    
    .yy-two img,
    .y-two img {
        width: 100%;
        height: 100%;
    }
    
    .news {
        width: 100%;
        height: 15%;
        font-size: 1.875rem;
        font-family: FZZhengHeiS-DB-GB;
        font-weight: 400;
        text-align: center;
        line-height: 9.875rem;
        color: rgba(0, 0, 0, 1);
    }
    
    .news::after {
        content: '';
        display: block;
        width: 3.375rem;
        /* text-align: center;
    */
        height: 0.3125rem;
        /* margin: 0 auto;
    */
        background: #FBC17C;
        /* margin-top: 4.5625rem;
    */
        position: absolute;
        top: 100px;
        left: 50%;
        margin-left: -1.6875rem;
    }
    
    .n-list {
        width: 100%;
        height: 70%;
        position: relative;
        /* padding-left: 9%; */
        margin-top: 5%;
    }
    
    .n-fg {
        width: 6.5625rem;
        height: 9.875rem;
        background: rgba(0, 0, 0, 1);
        opacity: 0.3;
        position: absolute;
        top: -1.5%;
        left: 26%;
    }
    
    .n-footer {
        width: 100%;
        height: 12%;
        position: absolute;
        bottom: 0;
        background: rgba(60, 60, 60, 1);
        font-size: 0.875rem;
        font-family: PingFang SC;
        font-weight: 400;
        text-align: center;
        color: rgba(255, 255, 255, 1);
    }
    
    .fs {
        margin-top: 2%;
    }
    
    .fs span {
        margin: 0 1%;
    }
    
    .bz {
        margin-top: 1%;
    }
    
    .n-one {
        width: 21.625rem;
        /* height: 6rem; */
        font-size: 1rem;
        font-family: PingFang SC;
        font-weight: 400;
        color: rgba(255, 255, 255, 1);
        margin: 0 auto;
    }
    
    .n-one img {
        width: 100%;
    }
    
    .n-title {
        width: 17.3125rem;
        height: 4.0625rem;
        font-size: 16px;
        margin: 0 auto;
        margin-top: 3.125rem;
        font-family: PingFang SC;
        font-weight: 400;
        color: rgba(43, 43, 43, 1);
        line-height: 1.6875rem;
    }
    
    .n-content {
        width: 17.3125rem;
        margin: 0 auto;
    }
    
    .n-content ul li {
        line-height: 2.0625rem;
        position: relative;
        font-size: 15px;
    }
    
    .n-content ul li::before {
        content: '.';
        display: inline-block;
        text-align: center;
        color: rgba(250, 175, 86, 1);
        /* width: 0.625rem;
    */
        /* height: 0.625rem;
    */
        font-size: 2.3125rem;
        line-height: 0rem;
        position: absolute;
        top: 8%;
        left: -4%;
    }
    
    .table {
        position: absolute;
        width: 100%;
        height: 100%;
        background: rgba(13, 10, 49, .85);
        top: 0;
        display: none;
        transition: all 3s linear;
    }
    
    .t-list {
        width: 23.0625rem;
        height: 41.375rem;
        margin: 0 auto;
        margin-top: 7%;
        position: relative;
        background: rgba(255, 255, 255, 1);
        box-shadow: 0rem 0.25rem 1.9375rem 0.125rem rgba(22, 70, 142, 0.2);
        /* border-radius: 0.625rem; */
        padding: 0.2%;
    }
    
    .t-list img {
        width: 2.5rem;
        position: absolute;
        top: 0;
        right: -11%;
        cursor: pointer;
    }
    
    #bgvid {
        width: 100%;
        height: 100%;
    }
    
    #tab-color {
        display: flex;
        margin: 0 8%;
    }
    
    .mi-slider nav a.mi-selected::before {
        color: #FBC17C!important;
    }