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#0000002e}.caro-cell:hover{background:#e8c070}.caro-cell--last{background:#b8e0f0!important}.caro-cell--win{background:#ffe066!important}.caro-piece{-webkit-user-select:none;user-select:none;filter:drop-shadow(0 1px 2px #00000080);font-size:1.7rem;line-height:1}.caro-piece--red{color:#c0392b}.caro-piece--black{color:#1a1a1a}.caro-actions{align-items:center;gap:.5rem;display:flex}.caro-confirm-text{color:var(--text-muted);font-size:.85rem}.caro-gameover-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.caro-gameover-modal{text-align:center;background:#111820;border:1px solid #22d3ee40;border-radius:16px;width:90%;max-width:320px;padding:2rem 2.5rem;box-shadow:0 8px 40px #0009}.caro-gameover-icon{margin-bottom:.5rem;font-size:3rem}.caro-gameover-title{margin-bottom:.25rem;font-size:1.5rem;font-weight:700}.caro-gameover-reason{color:var(--text-muted);margin-bottom:1rem;font-size:.85rem}.caro-gameover-actions{justify-content:center;gap:.5rem;margin-top:1.25rem;display:flex}.guide-page{max-width:860px;min-height:100vh;margin:0 auto;padding:32px 24px 64px}.guide-breadcrumb{color:var(--text-muted);margin-bottom:16px;font-size:.85rem}.guide-breadcrumb a{color:var(--accent);text-decoration:none}.guide-breadcrumb a:hover{text-decoration:underline}.guide-header{text-align:center;margin-bottom:48px;position:relative}.guide-back-btn{border:1px solid var(--border-bright);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:8px;padding:6px 14px;font-size:.85rem;transition:color .2s,border-color .2s;position:absolute;top:0;left:0}.guide-back-btn:hover{color:var(--accent);border-color:var(--accent)}.guide-header h1{background:linear-gradient(135deg,var(--accent),#60a5fa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:12px;padding-top:8px;font-size:2.2rem;font-weight:800}.guide-subtitle{color:var(--text-muted);font-size:1rem;line-height:1.6}.guide-content{flex-direction:column;gap:40px;display:flex}.guide-section{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:28px 32px}.guide-section h2{color:var(--accent);border-bottom:1px solid var(--border);margin-bottom:16px;padding-bottom:10px;font-size:1.3rem;font-weight:700}.guide-section p{color:var(--text);font-size:.97rem;line-height:1.75}.guide-section p strong{color:var(--accent)}.guide-section p em{color:var(--red-bright);font-style:normal}.guide-list{flex-direction:column;gap:10px;list-style:none;display:flex}.guide-list li{color:var(--text);padding-left:20px;font-size:.97rem;line-height:1.7;position:relative}.guide-list li:before{content:"›";color:var(--accent);font-weight:700;position:absolute;left:0}.guide-list li strong{color:var(--accent)}.guide-pieces{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:4px;display:grid}.guide-piece-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;padding:16px}.guide-piece-symbol{color:var(--accent);margin-bottom:8px;font-family:Noto Serif SC,serif;font-size:2rem}.guide-piece-card h3{color:var(--text);margin-bottom:6px;font-size:.95rem;font-weight:700}.guide-piece-card p{color:var(--text-muted);font-size:.88rem;line-height:1.6}.guide-piece-card p strong{color:var(--accent)}.guide-piece-card p em{color:var(--red-bright);font-style:normal}.guide-cta{text-align:center;border-color:var(--border-bright)}.guide-cta h2{border-bottom:none;margin-bottom:8px}.guide-cta p{color:var(--text-muted);margin-bottom:20px}.guide-play-btn{padding:12px 36px;font-size:1.1rem}.guide-links{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:24px;display:flex}.guide-link-btn{border:1px solid var(--border-bright);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:8px;padding:8px 18px;font-size:.85rem;text-decoration:none;transition:color .2s,border-color .2s;display:inline-block}.guide-link-btn:hover{color:var(--accent);border-color:var(--accent)}@media (max-width:600px){.guide-header h1{font-size:1.5rem}.guide-back-btn{margin-bottom:16px;display:inline-block;position:static}.guide-section{padding:20px 16px}.guide-pieces{grid-template-columns:1fr 1fr}}