:root{--bg: #0d1117;--s1: #131a24;--s2: #0f151e;--s3: #1b2533;--border: #222c3a;--hair: #1a2230;--text: #e6edf3;--muted: #a3b0c2;--subtle: #8b98a9;--cyan: #22d3ee;--cyan-soft: rgba(34, 211, 238, .12);--primary: #0891b2;--primary-hover: #0e7490;--amber: #fbbf24;--long: #22c55e;--long-soft: rgba(34, 197, 94, .14);--long-solid: #16a34a;--short: #f43f5e;--short-text: #fb7185;--short-soft: rgba(244, 63, 94, .14);--short-solid: #e11d48;--flat-solid: #334155;--r-sm: 6px;--r-md: 8px;--r-lg: 12px;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Hiragino Sans GB", "WenQuanYi Zen Hei", sans-serif;--mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", "DejaVu Sans Mono", monospace;--wrap: 1200px;--gutter: 24px;--sticky-h: 66px;--safe-b: env(safe-area-inset-bottom, 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24px);border-bottom:1px solid #4c1d95;white-space:nowrap;overflow:hidden}.risk-bar{background:var(--s2);color:var(--subtle);border-bottom:1px solid var(--hair);font-size:12px;padding:6px var(--gutter);text-align:center}.risk-bar a{text-decoration:underline;color:var(--muted);margin-left:4px;white-space:nowrap}.logo{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:18px;letter-spacing:-.01em;white-space:nowrap}.logo .mark{width:28px;height:28px;flex:none;display:block}.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:var(--r-md);font-weight:700;font-size:15px;white-space:nowrap;transition:background-color .15s}.btn.pri{background:var(--primary);color:#fff}.btn.pri:hover{background:var(--primary-hover)}.btn.sec{border:1px solid var(--border);color:var(--text);background:var(--s1)}.btn.sec:hover{background:var(--s3)}.btn.sm{height:36px;padding:0 16px;font-size:14px}.btn.lg{height:50px;padding:0 30px}.lang{display:inline-flex;align-items:center;font-size:13px;color:var(--muted);border:1px solid var(--border);border-radius:var(--r-sm);padding:2px}.lang button{padding:2px 8px;border-radius:4px;color:var(--muted)}.lang button[aria-pressed=true]{color:var(--text);background:var(--s3);font-weight:700}.card{background:var(--s1);border:1px solid var(--border);border-radius:var(--r-lg)}.sec-title{font-size:26px;font-weight:800;letter-spacing:-.01em}.sec-sub{color:var(--muted);margin-top:6px}.ico{width:36px;height:36px;border-radius:var(--r-md);background:var(--cyan-soft);color:var(--cyan);display:grid;place-items:center;font-weight:800;flex:none}.ico svg{width:18px;height:18px}.card h3{font-size:16px;margin-bottom:6px}.card p{color:var(--muted);font-size:14px}.tbd{border:1px dashed currentColor;border-radius:var(--r-md);padding:10px 14px;color:var(--amber);font-size:14px}.tag-sample{display:inline-flex;align-items:center;font-size:11px;font-weight:600;padding:2px 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