:root{--bg: #f5f4f0;--surface: #ffffff;--surface-2: #faf9f6;--line: #e4e1d9;--text: #1f2328;--muted: #6b6f76;--brand: #0f5b5c;--brand-ink: #ffffff;--brand-soft: #e3efee;--accent: #b5651d;--accent-soft: #f8ebdd;--ok: #1e7a46;--ok-soft: #e2f3e8;--warn: #9a6700;--warn-soft: #fbf0d4;--bad: #b42318;--bad-soft: #fde7e5;--info: #2457a6;--info-soft: #e5edf9;--radius: 10px;--shadow: 0 1px 2px rgba(20, 20, 20, .05), 0 2px 8px rgba(20, 20, 20, .04);color-scheme:light}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font:15px/1.55 IBM Plex Sans Thai,system-ui,sans-serif}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:24px;margin:0;line-height:1.3}h2{font-size:18px;margin:0}h3{font-size:16px;margin:0 0 12px}p{margin:0 0 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