:root{--bg: #f7f8f5;--surface: #ffffff;--surface-2: #fbfcfa;--ink: #1a1f1b;--ink-2: #3f463f;--muted: #6f7770;--line: #e3e7e0;--line-2: #eef1ec;--accent: #1f7a4d;--accent-2: #17613d;--accent-soft: #e9f3ed;--accent-line: #c6e2d3;--warn: #b45309;--warn-soft: #fdf3e3;--danger: #b3261e;--danger-soft: #fdeceb;--info: #1d4ed8;--info-soft: #eef2ff;--radius: 12px;--shadow: 0 1px 2px rgba(24, 39, 30, .04), 0 8px 24px rgba(24, 39, 30, .05);--shadow-lg: 0 2px 6px rgba(24, 39, 30, .06), 0 18px 40px rgba(24, 39, 30, .1);--font: "Inter", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", 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#cfd6cd;border-bottom-width:3px;background:#fff;font-family:var(--mono);font-size:13.5px;color:var(--ink-2);box-shadow:0 2px #18271e0d;animation:keyPress .55s ease-out both}.kb-key.mod{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent-2);font-weight:600}.kb-key.primary{background:var(--accent);border-color:var(--accent-2);color:#fff;font-weight:700}.kb-hint{margin-left:6px;font-size:12px;color:var(--muted)}@keyframes keyPress{0%{transform:translateY(-6px) scale(.94);opacity:0;box-shadow:0 8px 14px #18271e24}55%{transform:translateY(2px) scale(1.03);opacity:1}to{transform:translateY(0) scale(1);opacity:1;box-shadow:0 2px #18271e0d}}.sc-status{display:inline-flex;align-items:center;gap:6px;margin-bottom:10px;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-2);font-size:12px;font-weight:600}.sc-table-wrap{overflow-x:auto;border:1px solid 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th.col-on{background:var(--accent-soft);color:var(--accent-2)}.sc-rownum{width:34px;background:var(--surface-2);color:var(--muted);font-weight:600;font-size:11.5px;font-family:var(--mono);text-align:center}.sc-rownum.on{background:var(--accent-soft);color:var(--accent-2)}.sc-cell{color:var(--ink-2);position:relative}.sc-cell.head{font-weight:600;color:var(--ink);background:var(--surface-2)}.sc-cell.sel{background:#1f7a4d17}.sc-cell.hl{background:#fdf3e3;color:#8a5a00;font-weight:600;animation:cellPop .45s ease-out}.sc-cell.corner{box-shadow:inset 0 0 0 2px var(--accent);background:#1f7a4d21}@keyframes cellPop{0%{transform:scale(.94)}60%{transform:scale(1.03)}to{transform:scale(1)}}.caret{display:inline-block;width:1.5px;height:15px;background:var(--accent);vertical-align:-3px;margin-left:1px;animation:caretBlink 1s step-end infinite}@keyframes caretBlink{0%,to{opacity:1}50%{opacity:0}}.sc-dots{display:flex;gap:5px;margin-left:auto;align-items:center}.sc-dots button{width:7px;height:7px;padding:0;border-radius:50%;border:none;background:var(--line);transition:background .15s,transform .15s}.sc-dots button.on{background:var(--accent);transform:scale(1.25)}.sc-sim{display:flex;flex-direction:column;gap:8px}.sc-sim-name{font-weight:600;font-size:14px}.sc-sim-sub{font-size:12.5px;color:var(--muted);line-height:1.6}.combo-chain{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.combo-step{display:inline-flex;align-items:center;gap:10px}.combo-plus{color:var(--muted);font-size:15px}.combo-node{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:border-color .15s,box-shadow .15s}.combo-node:hover{border-color:var(--accent-line);box-shadow:var(--shadow)}.combo-node.primary{background:var(--accent-soft);border-color:var(--accent-line)}.combo-node 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