/* 围棋 · 无界 版权 © 月光 better.tian@qq.com research/monetization@3fbe19c */
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 * 围棋 · 无界（Weiqi · Unbounded）
 * 版权 © 月光 ｜ 联系：better.tian@qq.com
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 */*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}:root{--bg: #0e1014;--bg2: #161a21;--panel: rgba(255, 255, 255, .055);--border: rgba(255, 255, 255, .09);--text: #e9ecf2;--text-dim: #8b93a3;--accent: #e8b64c;--accent-soft: rgba(232, 182, 76, .16);--grid: rgba(233, 236, 242, .13);--grid-major: rgba(233, 236, 242, .27);--ruler: rgba(233, 236, 242, .38);--overlay: radial-gradient(ellipse 130% 95% at 50% 42%, rgba(13,15,19,.32) 0%, rgba(13,15,19,.52) 72%, rgba(13,15,19,.62) 100%);--chip-b: linear-gradient(145deg, #565c68, #101216);--chip-w: linear-gradient(145deg, #ffffff, #c6cad2);--danger: #e0655a}[data-theme=light]{--bg: #f2eddf;--bg2: #faf6ec;--panel: rgba(0, 0, 0, .045);--border: rgba(0, 0, 0, .1);--text: #33302a;--text-dim: #948b7a;--accent: #a97c1d;--accent-soft: rgba(169, 124, 29, .14);--grid: rgba(51, 48, 42, .18);--grid-major: rgba(51, 48, 42, .38);--ruler: rgba(51, 48, 42, .5);--overlay: radial-gradient(ellipse 130% 95% at 50% 42%, rgba(250,246,236,.38) 0%, rgba(244,238,224,.56) 72%, rgba(236,228,208,.66) 100%);--chip-b: linear-gradient(145deg, #3d4148, #121418);--chip-w: linear-gradient(145deg, #ffffff, #d5d3c9);--danger: #c24f43}html,body{height:100%}body{position:fixed;inset:0;overflow:hidden;background:radial-gradient(900px 520px at 50% -8%,var(--bg2),transparent 62%),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:manipulation}.board-wrap{position:fixed;inset:0;touch-action:none}.board-wrap canvas{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair}#cv-ripple,#cv-fx{pointer-events:none}.announce-toast{position:absolute;left:50%;transform:translate(-50%);padding:8px 18px;border-radius:999px;background:#0f1218d1;color:var(--text);border:1px solid var(--danger);box-shadow:0 6px 24px 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0;border-radius:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);box-shadow:0 0 10px var(--accent-soft)}.overlay p{color:var(--text-dim);font-size:13px;letter-spacing:2px}.overlay p.proverb{color:var(--accent);opacity:.9}.overlay p.score{color:var(--accent);font-size:17px;letter-spacing:4px;font-weight:600;white-space:nowrap;margin-top:-4px;text-shadow:0 0 14px var(--accent-soft),0 1px 0 rgba(0,0,0,.35)}[data-theme=light] .overlay p.score{text-shadow:0 0 12px var(--accent-soft),0 1px 0 rgba(255,255,255,.65)}.overlay h2,.overlay p{text-shadow:0 1px 0 rgba(0,0,0,.35)}[data-theme=light] .overlay h2,[data-theme=light] .overlay p{text-shadow:0 1px 0 rgba(255,255,255,.65)}.colophon{font-family:Songti SC,"Noto Serif SC","Source Han Serif SC",Georgia,serif;font-size:12px;letter-spacing:3px;opacity:.55}@keyframes pop{0%{opacity:0;transform:scale(.85)}}.overlay-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:6px}.btn-primary{padding:11px 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li{color:var(--text)}.unlock-price{color:var(--accent);font-size:20px;font-weight:600;margin-top:2px}.overlay-close{position:absolute;top:10px;right:14px;background:none;border:none;color:var(--text-dim);font-size:22px;cursor:pointer;line-height:1;padding:4px}.overlay-close:hover{color:var(--text)}.unlock-restore{display:flex;flex-direction:column;gap:8px;align-items:stretch;width:100%}.unlock-restore input{padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#8080801f;color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;text-align:center;letter-spacing:1px;font-size:14px}.promo-tip{position:fixed;left:16px;bottom:96px;z-index:30;max-width:220px;padding:12px 18px;border-radius:16px;border:1px solid var(--accent-soft);background:#ffffff03;color:var(--text);font-size:13px;line-height:1.5;cursor:pointer;box-shadow:0 10px 30px #00000059;opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .35s ease,transform .35s ease;text-align:left}[data-theme=light] .promo-tip{background:#00000003}.promo-tip.show{opacity:1;transform:none;pointer-events:auto}.promo-tip.gone{opacity:0;transform:translateY(6px)}.promo-tip:after{content:"\2715";position:absolute;top:6px;right:10px;font-size:11px;color:var(--text-dim)}.unlock-email{display:flex;flex-direction:column;gap:8px;align-items:stretch;width:100%}.unlock-email .unlock-tip{font-size:12px;color:var(--text-dim);text-align:center;margin:0}.unlock-email input{padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#8080801f;color:var(--text);font-size:14px}.unlock-code-row{display:flex;gap:8px}.unlock-code-row input{flex:1;min-width:0;letter-spacing:3px}.unlock-status{font-size:12px;color:var(--accent);text-align:center;margin:0}.unlock-email .btn-primary{width:100%}[hidden]{display:none!important}.unlock-title-row{display:flex;align-items:center;justify-content:center;gap:8px;line-height:1}.unlock-crown{font-size:22px;line-height:1;display:inline-flex;align-items:center;height:1em}.unlock-card h2{font-size:19px;letter-spacing:2px;margin:0;line-height:1.2}.unlock-card h2{font-size:20px;letter-spacing:2px;margin:0}.unlock-card .unlock-perks{margin:6px 0 2px}.unlock-email-field{width:100%}.unlock-email-field input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:#8080801f;color:var(--text);font-size:15px;text-align:center}.unlock-actions{display:flex;flex-wrap:wrap;gap:10px;width:100%}.unlock-actions .btn-primary,.unlock-actions .btn-secondary{flex:1 1 auto;min-width:0;white-space:nowrap}@media (max-width: 480px){.unlock-actions{flex-direction:column}.unlock-actions .btn-primary,.unlock-actions .btn-secondary{width:100%}}.unlock-code-row{display:flex;gap:8px;width:100%}.unlock-code-row input{flex:1;min-width:0;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#8080801f;color:var(--text);text-align:center;letter-spacing:2px}.unlock-code-row .btn-secondary{flex:none}.unlock-card .unlock-note{font-size:11px;color:var(--text-dim);margin:2px 0 0;text-align:center;line-height:1.6}.unlock-card .unlock-status{color:var(--accent);font-size:13px;margin:4px 0 0}.unlock-card .btn-primary,.unlock-card .btn-secondary{display:flex;align-items:center;justify-content:center;padding:10px 14px;letter-spacing:0;font-size:13px;white-space:nowrap}.unlock-actions .btn-primary{flex:1.2}.unlock-actions .btn-secondary{flex:1}.unlock-or{align-self:center;flex:none;color:var(--text-dim);font-size:12px;letter-spacing:1px;line-height:1}.unlock-code-row .btn-secondary{padding:10px 14px;font-size:13px;letter-spacing:0;font-weight:500}.unlock-code-row input{padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#8080801f;color:var(--text);text-align:center;letter-spacing:2px;font-size:14px}.unlock-card .unlock-price{color:var(--accent);font-size:18px;font-weight:700;letter-spacing:1px;margin:4px 0 2px}.unlock-card .unlock-price:before,.unlock-card .unlock-price:after{content:"\2014";color:var(--border);margin:0 10px}.unlock-card .unlock-perks{margin:4px 0 6px}.unlock-email-field input::placeholder{color:var(--text-dim);opacity:.7}.unlock-card .unlock-email-field{margin:2px 0 4px}.unlock-email-field input.invalid,.unlock-code-row input.invalid{border-color:var(--danger, #e0655a)}.unlock-email-field input:focus,.unlock-code-row input:focus{outline:none;border-color:var(--accent-soft)}.unlock-err,.unlock-card .unlock-err{color:var(--danger, #c24f43)!important;background:#e0655a1a;border:1px solid rgba(224,101,90,.35);font-size:13px;font-weight:600;padding:9px 14px;border-radius:10px;margin:4px 0 0;text-align:center;width:100%;box-sizing:border-box;animation:unlockShake .4s ease;line-height:1.5;white-space:normal;word-break:break-word}@keyframes unlockShake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.unlock-email-field input.invalid,.unlock-code-row input.invalid{border-color:var(--danger, #e0655a)!important;animation:unlockShake .4s ease}.unlock-card h2:after,.unlock-dialog h2:after{content:none!important}.unlock-price{color:#b8860b}[data-theme=dark] .unlock-price{color:var(--accent, #e8b64c)}.unlock-card .unlock-price,.unlock-dialog .unlock-price{color:#b8860b}[data-theme=dark] .unlock-card .unlock-price,[data-theme=dark] .unlock-dialog .unlock-price{color:var(--accent, #e8b64c)}.unlock-crown{vertical-align:baseline}.unlock-crown{transform:translateY(-3px)}.unlock-code-row .unlock-btn-primary{width:auto}.unlock-code-row .unlock-btn-primary,.unlock-code-row .unlock-btn-secondary,.unlock-code-row .btn-secondary{flex:none}.unlock-card:before,.unlock-dialog:before{background:linear-gradient(168deg,#181d26eb,#0e1117e0)}[data-theme=light] .unlock-card:before,[data-theme=light] .unlock-dialog:before{background:linear-gradient(168deg,#fffdf7f5,#f6f1e5f0)}@media (max-width: 768px){.promo-tip{bottom:70px;left:12px}}