:root{--ink:#15313b;--muted:#60747b;--cream:#f7f5ee;--white:#fff;--lime:#c7e843;--orange:#ff7655;--line:#dce4df}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font-family:'Noto Sans Thai',sans-serif}a{color:inherit;text-decoration:none}.site-header{height:84px;padding:0 clamp(24px,6vw,96px);display:flex;align-items:center;gap:32px;background:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid #e8ebe7}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;line-height:1}.brand small{display:block;margin-top:7px;font-size:7px;letter-spacing:1.4px;color:var(--muted)}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--lime);font-size:20px}nav{margin:auto;display:flex;gap:28px}nav a{font-size:14px;font-weight:600;color:#587078;padding:8px 0;border-bottom:2px solid transparent}nav a.active,nav 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