.join-subject-modal .switch-line{display:-webkit-box;display:-ms-flexbox;display:flex;padding:16px 16px 0;background-color:#fff;border-bottom:1px solid #d9d9d9;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.join-subject-modal .switch-line .switch-item+.switch-item{margin-left:4px}.join-subject-modal .switch-line .switch-item{padding:9px 16px;font-size:16px;line-height:22px;color:#666;cursor:pointer;background-color:#fafafa;border:1px solid #d9d9d9;border-bottom:0;border-radius:4px 4px 0 0}.join-subject-modal .switch-line .switch-item.active{font-weight:700;color:#fff;background-color:#3862cf;border-color:#3862cf}.join-subject-modal .page-main{padding:16px}