*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5f2e9;color:#20372e;font:17px/1.85 'Noto Sans Thai',Tahoma,sans-serif}header,main,footer{max-width:1080px;margin:auto;padding:26px 36px}header{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #cdd2c6}.brand{font-weight:700}header a{font-size:14px}a{color:var(--accent);text-underline-offset:4px;overflow-wrap:anywhere}.hero{padding:60px 0 36px;max-width:870px}.eyebrow{font-size:13px;letter-spacing:.06em;color:var(--accent);font-weight:700}h1{font-size:clamp(32px,5.2vw,58px);line-height:1.35;letter-spacing:-1px;margin:22px 0}h2{font-size:28px;line-height:1.5}h3{font-size:21px;line-height:1.5;margin:8px 0}.intro{font-size:21px;color:#586a5d}.notice{border-left:4px solid var(--accent);padding:18px 24px;background:#e7ebde;margin:20px 0 45px}.layout{display:grid;grid-template-columns:1.25fr 1fr;gap:55px}.prose section{padding:0 0 22px;margin-bottom:26px;border-bottom:1px solid #cdd2c6}.prose p{color:#506253}.tool{background:white;border:1px solid #cdd2c6;border-radius:8px;padding:28px;align-self:start}.tool h2{margin-top:0}.tool p,.note{font-size:14px;color:#60705f}label{display:block;margin:16px 0;font-weight:600;font-size:14px}input:not([type=checkbox]),textarea,select{display:block;width:100%;padding:12px;border:1px solid #b5c0af;border-radius:4px;background:#fffef9;color:#20372e;font:inherit;margin-top:7px}button,.button{background:var(--accent);color:white;border:0;border-radius:4px;padding:12px 18px;cursor:pointer;font:inherit;text-decoration:none;display:inline-block}button.secondary{background:transparent;border:1px solid var(--accent);color:var(--accent)}.item{border-top:1px solid #d9dfd1;padding:18px 0}.item span{font-size:12px;color:var(--accent);font-weight:700}.item p{margin:6px 0}.checkrow{display:flex;gap:12px;align-items:start;font-weight:400;font-size:16px}input[type=checkbox]{width:20px;height:20px;accent-color:var(--accent);flex-shrink:0;margin-top:4px}output,.status{display:block;background:#e9eddf;padding:16px;margin-top:18px;font-size:14px}.references{margin-top:50px;padding:30px 0;border-top:2px solid var(--accent)}.sourcebox{padding:24px;background:white;border:1px solid #cdd2c6;border-radius:5px}.sources-list li{margin:14px 0}footer{border-top:1px solid #cdd2c6;font-size:13px;color:#64725f}.actions{display:flex;gap:12px;flex-wrap:wrap}:focus-visible{outline:3px solid #c49442;outline-offset:4px}[hidden]{display:none!important}@media(max-width:760px){header,main,footer{padding:22px}.hero{padding-top:35px}.layout{grid-template-columns:1fr;gap:20px}.tool{padding:22px}header{flex-wrap:wrap}.intro{font-size:18px}}