.primary_btn{background-color:var(--main-color);border:1px solid transparent;border-radius:1.066667vw;color:#fff;cursor:pointer;font-size:.666667vw;line-height:1.2vw;padding:.4vw 1.2vw;text-align:center}.primary_btn.plain{background-color:transparent;border-color:var(--main-color);color:#f60}:root{--main-color:#f60;font-family:Roboto,PingFangSC,Helvetica Neue,Helvetica,Arial,Hiragina Sans GB,WenQuanYi Micro Hei,microsoft yahei ui,microsoft yahei,sans-serif}