:root{--font-display:"IBM Plex Sans Thai","Noto Sans Thai","Sarabun",system-ui,-apple-system,sans-serif;--font-body:"Noto Sans Thai","Sarabun",system-ui,-apple-system,sans-serif;--bg:#ffffff;--bg-sunk:#f1f6f9;--bg-elevated:#ffffff;--fg:#101a21;--fg-muted:#4e5c67;--fg-subtle:#5a6875;--border:#e1e9ee;--border-strong:#bfcdd6;--accent:#0a6ea8;--accent-deep:#084f79;--accent-soft:#e3f0f8;--accent-fg:#ffffff;--pick:#fff7ec;--pick-edge:#eddcc3;--pick-ink:#7a4a05;--accent-wash:#eaf2f8;--accent-air:#2f9ec4;--accent-warm:#f6e7c8;--focus:#0a6ea8;--fs-xs:0.8125rem;--fs-sm:0.9375rem;--fs-base:1.0625rem;--fs-md:1.1875rem;--fs-lg:1.375rem;--fs-xl:clamp(1.5rem,1.2rem + 1.4vw,2rem);--fs-2xl:clamp(1.875rem,1.3rem + 2.4vw,2.75rem);--fs-3xl:clamp(2.125rem,1.45rem + 3vw,3.25rem);--lh-body:1.8;--lh-snug:1.6;--lh-tight:1.28;--ls-display:0em;--sp-1:0.25rem;--sp-2:0.5rem;--sp-3:0.75rem;--sp-4:1rem;--sp-5:1.5rem;--sp-6:2rem;--sp-7:3.25rem;--sp-8:4.5rem;--sp-9:6.5rem;--r-sm:8px;--r-md:14px;--r-pill:999px;--rule:1px;--rule-thick:3px;--shadow:0 12px 32px -20px rgba(16,26,33,0.28);--w-page:72rem;--w-prose:40rem;--w-narrow:54rem;--gutter:1.25rem;--ease-out:cubic-bezier(0.22,1,0.36,1);--t-fast:120ms;--t-base:200ms}@media (min-width:40em){:root{--gutter:1.5rem}}@media (min-width:64em){:root{--fs-base:1.125rem;--fs-sm:1rem;--gutter:2rem}}