<style>
        p{
            padding: 0;
            margin: 0;
        }
        a:link,a:visited {
            text-decoration: none;
            cursor: pointer;
            font: 12px/1.5 PingFangSC-Regular,Tahoma,Microsoft Yahei;
        }
        a:hover,a:active{
           background-color: #F58220;
            color: #fff;
            font: 12px/1.5 PingFangSC-Regular,Tahoma,Microsoft Yahei;
        }
        .mod_fiexdtool {
            position: fixed;
            right: 30px;
            bottom: 30px;
            width: 54px;
            z-index: 90;
            text-align: center;
        }
        .mod_fiexdtool .ft_cell {
            display: block;
            margin-top: 10px;
            color: #999;
        }
        .mod_fiexdtool .icon_lg {
            display: block;
            width: 30px;
            height: 30px;
            margin-bottom: 3px;
            border: 12px solid #F2F2F2;
            background-color: #F2F2F2;
            border-radius: 100%;
            overflow: hidden;
            font-size: 30px;
            text-align: center;
            line-height: 30px;
        }
        .svg_icon path, .svg_icon use {
            fill: currentColor;
        }
        .mod_fiexdtool .ft_cell .icon_text {
            display: block;
            margin-top: 2px;
        }
        .hidden_top{
            display: none;
        }
    </style>