:root{--bg:#f6efe5;--surface:rgba(255,252,247,0.84);--surface-strong:#fffaf3;--ink:#172033;--muted:#5b6473;--line:rgba(23,32,51,0.1);--brand:#0f766e;--brand-strong:#0b5d57;--brand-soft:#cceee8;--accent:#ff8a3d;--accent-soft:rgba(255,138,61,0.18);--shadow:0 24px 80px rgba(23,32,51,0.12);--radius-xl:32px;--radius-lg:24px;--radius-md:18px;--max-width:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;color:var(--ink);background:radial-gradient(circle at top left,rgba(15,118,110,.2),transparent 30%),radial-gradient(circle at top right,rgba(255,138,61,.16),transparent 24%),linear-gradient(180deg,#fcf7ef 0,var(--bg) 34%,#ffffff 72%,#ffffff 100%);font-family:Sukhumvit Set,Noto Sans Thai,SF Pro Display,system-ui,sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.page-shell{width:min(calc(100% - 32px),var(--max-width));margin:0 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