.tzs-title .chwl-sub-title{
        color: rgb(51, 51, 51);
        font-family: "STZhongsong Regular", "STZhongsong";
        font-feature-settings: "kern";
        font-kerning: normal;
        font-size: 32px;
        font-style: normal;
        font-weight: 400;
        line-height: 42px;
    }
    .tzs-title .chwl-sub-title .chwl-first-letter{
        color: rgb(9, 82, 160);
        font-family: "PingFangSC-Regular", "PingFang SC";
        font-feature-settings: "kern";
        font-kerning: normal;
        font-size: 32px;
        font-style: normal;
        font-weight: 400;
        line-height: 42px;
    }
    .tzs-title .chwl-sub-title .chwl-first-letter .chwl-rest-letter{
        color: rgb(51, 51, 51);
        font-family: "PingFangSC-Regular", "PingFang SC";
        font-feature-settings: "kern";
        font-kerning: normal;
        font-size: 24px;
        font-style: normal;
        font-weight: 400;
        line-height: 31px;
    }
.nav-container{
            margin-top: 11px;
        }
        .nav-item{
            text-align: center;
            display: inline-block;
            margin-right: 10px;
        }
        .nav-item.selected{
            width: 120px;
            height: 100%;
            background-repeat: no-repeat;
            background-size: 100% 100%;
            background-image: url("./img/tzs-u5.png");
        }