        .header-area {
            position: fixed;
            top: 0;
            width: 100%;
            height: 60px;
            line-height: 60px;
            background: rgba(0, 0, 0, .5);
            border-bottom: rgba(255, 255, 255, .15) 1px solid;
            z-index: 99;
            animation: topIn 0.5s ease both;
        }
        
        .header-area.active {
            background: rgba(4, 13, 31, 1);
            transition: background 1s;
        }
        
        @keyframes topIn {
            0% {
                transform: translate3d(0, -60px, 0);
            }
            100% {
                transform: translate3d(0, 0, 0);
            }
        }
        
        .tbivr-logo {
            float: left;
            width: 220px;
            /* height: 100%; */
        }
        
        .tbivr-logo img {
            width: 150px;
            height: 40px;
        }
        
        .navBar {
            float: right;
            height: 100%;
        }
        
        .navBar li {
            position: relative;
            margin-right: 1px;
            float: left;
            width: 120px;
            height: 100%;
            text-align: center;
        }
        
        .navBar li::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            width: 0;
            height: 100%;
            /* background: rgba(1, 13, 44, .9); */
            background: rgba(0, 0, 0, 0.6);
            transition: all .2s;
            opacity: 0;
            z-index: 1;
        }
        /* 一级菜单 */
        
        .navBar>li>a,
        .navBar>li>label {
            position: relative;
            display: block;
            width: 100%;
            height: 100%;
            font-size: 1.4rem;
            color: #c3c0c0;
            z-index: 2;
            cursor: pointer;
        }
        
        .navBar>li:hover>a,
        .navBar>li.active>a,
        .navBar>li:hover>label,
        .navBar>li.active>label {
            color: #fff;
            font-weight: bold;
        }
        /* 一级菜单 - 选中 */
        
        .navBar>li:hover::before,
        .navBar>li.active::before {
            left: 0;
            width: 100%;
            opacity: 1;
        }
        
        .dropDown>label {
            background: url(../images/drop-down-arrow.svg) no-repeat center right;
            transition: all .3;
        }
        
        .dropDown:hover>label {
            background: url(../images/drop-down-arrowUp.svg) no-repeat center right;
        }
        
        .dropDown:hover>.submenu-list {
            display: block;
            transition: top .3s;
        }
        /* 二级菜单 */
        
        .submenu-list {
            display: none;
            position: absolute;
            top: 59px;
            left: 0;
            padding: 10px 10px 10px 30px;
            width: 280px;
            color: #fff;
            background: rgba(0, 0, 0, .8);
            z-index: 5;
        }
        
        .dropDown .submenu-list>a {
            display: block;
            width: 160px;
            height: 50px;
            line-height: 50px;
            color: #c3c0c0;
            font-size: 1.4rem;
            transition: all .2s;
            text-align: left;
            background-size: 24px;
        }
        
        .dropDown .submenu-list>a:hover {
            background-size: 24px;
        }
        
        .dropDown .submenu-list>a::before {
            content: '';
            display: inline-block;
            margin-right: 15px;
            width: 24px;
            height: 24px;
        }
        
        .submenu-list .sfwl-icon {
            background: url(../images/sfwl-icon.png) no-repeat left center;
        }
        
        .submenu-list .sfwl-icon:hover {
            background: url(../images/sfwl-icon-h.png) no-repeat left center;
        }
        
        .submenu-list .zncs-icon {
            background: url(../images/zncs-icon.png) no-repeat left center;
        }
        
        .submenu-list .zncs-icon:hover {
            background: url(../images/zncs-icon-h.png) no-repeat left center;
        }
        
        .submenu-list .znjy-icon {
            background: url(../images/znjy-icon.png) no-repeat left center;
        }
        
        .submenu-list .znjy-icon:hover {
            background: url(../images/znjy-icon-h.png) no-repeat left center;
        }
        
        .submenu-list .cpfw-icon1 {
            background: url(../images/gzzd-icon.png) no-repeat left center;
        }
        
        .submenu-list .cpfw-icon1:hover {
            background: url(../images/gzzd-icon-h.png) no-repeat left center;
        }
        
        .submenu-list .cpfw-icon2 {
            background: url(../images/jszd-icon.png) no-repeat left center;
        }
        
        .submenu-list .cpfw-icon2:hover {
            background: url(../images/jszd-icon-h.png) no-repeat left center;
        }
        
        .submenu-list .cpfw-icon3 {
            background: url(../images/znOther-icon.png) no-repeat left center;
        }
        
        .submenu-list .cpfw-icon3:hover {
            background: url(../images/znOther-icon-h.png) no-repeat left center;
        }
        
        .submenu-list .cpfw-icon4 {
            background: url(../images/xzzf-icon.png) no-repeat left center;
        }
        
        .submenu-list .cpfw-icon4:hover {
            background: url(../images/xzzf-icon-h.png) no-repeat left center;
        }
        
        .submenu-list a:hover {
            color: #fff;
        }
        
        .submenu-list-tab {
            padding-left: 40px;
        }
        
        .submenu-list-tab a {
            display: block;
            height: 32px;
            line-height: 32px;
            font-size: 1.2rem;
            color: #c3c0c0;
            text-align: left;
        }
        /* AI云 */
        
        .navBar>li>a.aiCloud {
            display: inline-block;
            width: 120px;
            height: 61px;
            color: #fff;
            text-align: center;
            background: #2080d5;
        }
        /* PC端隐藏列表图标 */
        
        .navList {
            display: none;
        }
        /* 页脚菜单 */
        
        .footer-area {
            position: relative;
            margin-top: 130px;
            width: 100%;
            height: 400px;
            background: url(../picture/footer-bg.jpg) no-repeat;
            background-size: 100% 100%;
            color: #c3c0c0;
            font-size: 1.2rem;
        }
        
        .footer-menu {
            border-bottom: #414e6e 1px solid;
            overflow: hidden;
        }
        
        .tbivr-ft-logo {
            float: left;
            padding-top: 60px;
            height: 240px;
        }
        
        .tbivr-ft-logo>img {
            /* width: 389px; */
            /* height: auto; */
            width: 140px;
            height: 40px;
        }
        
        .footer-menu-box {
            float: right;
            padding-top: 30px;
        }
        
        .footer-menu-box li {
            float: left;
        }
        
        .footer-menu-box li:not(:last-child) {
            margin-right: 60px;
        }
        
        .footer-menu-box p {
            margin-bottom: 30px;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 500;
            letter-spacing: 1px;
        }
        
        .footer-menu-box a {
            display: block;
            height: 35px;
            line-height: 35px;
            color: #c3c0c0;
        }
        
        .footer-menu-box a:hover {
            color: #fff;
        }
        
        .footer-info {
            margin-top: 20px;
        }
        
        .footer-info .footer-infoL {
            float: left;
        }
        
        .footer-info .footer-infoL p {
            margin-bottom: 8px;
        }
        
        .footer-info .footer-infoL b {
            margin-left: 5px;
            color: #fff;
            font-weight: 600;
            letter-spacing: 2px;
        }
        
        .footer-info .footer-infoL .footer-info-item {
            margin-top: 44px;
        }
        
        .footer-info .footer-infoL span:not(:first-child)::before {
            content: '';
            display: inline-block;
            margin-left: 10px;
            width: 12px;
            height: 10px;
            border-left: #c3c0c0 1px solid;
        }
        
        .footer-info .footer-infoL span:last-child::before {
            margin-right: 22px;
        }
        
        .footer-info .ewm {
            float: right;
        }
        
        .footer-info .ewm>img {
            margin-bottom: 8px;
        }
        /* Mobile  */
        
        @media only screen and (max-width: 767px) {
            .header-area .wrap {
                padding: 0;
            }
            .header-area {
                overflow: hidden;
                background: rgba(4, 13, 31, 1);
                transition: height .56s cubic-bezier(0.52, 0.16, 0.24, 1);
            }
            .header-area.open {
                position: fixed;
                top: 0;
                width: 100%;
                height: 100%;
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
                background: rgba(0, 0, 0, .9);
                transition: all 0.5s;
                z-index: 99;
            }
            .tbivr-logo {
                padding-left: 20px;
            }
            /* 移动端列表图标 */
            .navList {
                display: block;
                position: absolute;
                top: 0;
                right: 25px;
                height: 60px;
                color: #fff;
                z-index: 100;
            }
            .navBar {
                width: 100%;
                height: auto;
            }
            .navBar li {
                width: 100%;
                border-bottom: 1px solid #282828;
                text-align: left;
            }
            /* 一级菜单 */
            .navBar>li>a,
            .navBar>li>label {
                padding: 0 20px;
            }
            .dropDown>label,
            .dropDown:hover>label {
                position: relative;
                background: none;
            }
            .dropDown>label::after {
                content: '';
                display: inline-block;
                position: absolute;
                top: 28px;
                right: 20px;
                width: 20px;
                height: 20px;
                background: url(../images/drop-down-arrow.svg) no-repeat;
            }
            .dropDown>label:hover::after {
                background: url(../images/drop-down-arrowUp.svg) no-repeat;
            }
            /* 二级菜单 */
            .submenu-list {
                position: relative;
                top: 0;
                width: 100%;
                height: 100%;
            }
            .dropDown:hover>.submenu-list {
                height: 100%;
            }
            .submenu-list>a {
                width: 100%;
            }
            /* AI云 */
            .navBar>li>a.aiCloud {
                text-align: left;
                background: none;
            }
            /* 页脚菜单 */
            .footer-area {
                margin-top: 40px;
                padding: 20px;
                height: auto;
                background: #02133e;
            }
            .footer-menu {
                padding-bottom: 20px;
            }
            .tbivr-ft-logo {
                padding-top: 0;
                height: 20px;
            }
            .tbivr-ft-logo>img {
                width: 140px;
                height: 35px;
            }
            .tbivr-ft-logo,
            .footer-menu-box,
            .footer-menu-box li,
            .footer-info .footer-infoL,
            .footer-info .ewm {
                float: none;
            }
            .footer-menu-box li.mnone>p {
                display: none;
            }
            .footer-menu-box p {
                margin-bottom: 5px;
                font-size: 1.2rem;
                letter-spacing: 0;
            }
            .footer-menu-box a {
                display: inline-block;
                margin-right: 20px;
                margin-bottom: 10px;
            }
            .footer-info {
                margin-top: 20px;
            }
            .footer-info .footer-infoL .footer-info-item {
                margin-top: 30px;
                font-family: 'PingFangSC-Thin';
            }
            .footer-info .ewm {
                margin: 20px auto;
                text-align: center;
            }
        }