html,
        body {
            position: absolute;
            width: 100%;
            height: 100%;
            padding: 0;
            margin: 0;
            border: 0;
        }

        .bodyG {
            display: grid;
        }

        #title_head {
            background: #0094ff;
            top: 0;
            text-align: center;
            padding: 0;
            margin: 0;
        }

        #tab_head {
            background: #dadada;
            top: 60px;
            padding-left: 5px;
            z-index: 111;
        }

        #title_head,
        #tab_head {
            color: #ffffff;
            line-height: 60px;
            position: fixed;
            display: inline-block;
            width: 100%;
            height: 60px;
            border: 0;
            overflow: hidden;
        }

        #content {
            position: fixed;
            top: 120px;
            bottom: 60px;
            width: 100%;
            overflow: hidden;
        }

        iframe {
            width: 100%;
            height: 100%;
            padding: 0;
            margin: 0;
            border: 0;
            overflow-x: hidden;
        }

        #tab {
            position: fixed;
            display: inline-block;
            bottom: 0;
            width: 100%;
            height: 60px;
            padding: 0;
            margin: 0;
            border: 0;
            overflow: hidden;
        }

        #tab ul {
            background: #0094ff;
            color: #ffffff;
            display: inline-block;
            position: absolute;
            padding: 0;
            margin: 0;
            border: 0;
            width: 100%;
            display: flex;
        }

        #tab ul li {
            position: relative;
            overflow: hidden;
            display: inline-block;
            text-align: center;
            line-height: 60px;
            padding: 0;
            margin: 0;
            border: 0;
            left: 0;
            width: 20%;
            height: 100%;
            color: #ffffff;
        }

        li img,
        #tab_head img,
        .homeimg {
            width: 50px;
            height: 50px;
            line-height: 50px;
            margin: 5px auto;
        }

        .svgbox {
            width: 50px;
            height: 50px;
            line-height: 50px;
            margin: 5px auto;
        }

        .teleimg {
            width: 40px;
            height: 40px;
            line-height: 40px;
            margin: 10px auto;
        }