.chs{--accent:#8fb4e8}.chs-board{position:relative}.chs #stage{cursor:pointer}.ch-promo[hidden]{display:none}.ch-promo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:8;display:flex;flex-direction:column;gap:8px;padding:16px 18px;border-radius:14px;background:rgba(10,16,28,.95);border:1px solid var(--accent);box-shadow:0 18px 50px -12px #000c}.ch-promo b{font:700 13px/1 var(--font-sans);color:var(--dim)}.ch-promo .g-btn{justify-content:flex-start;font-size:16px}