:root{--navy:#133e70;--ink:#142e4c;--blue:#0c75a6;--yellow:#ffd456;--red:#dd493c;--muted:#53657a;--line:#dce5ed;--light:#f0f6fa}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;font-family:'Noto Sans Thai',Tahoma,sans-serif;color:var(--ink);font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.4}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #dd493c;outline-offset:5px}.container{width:min(1180px,calc(100% - 80px));margin:auto}.announcement{background:var(--navy);color:white;text-align:center;font-size:13px;padding:9px 30px;letter-spacing:.02em}.announcement span{margin-left:28px;opacity:.65;font-size:11px;letter-spacing:.15em}.header{background:#fffffff5;position:sticky;top:0;z-index:10;border-bottom:1px solid 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}