:root{--ink:#173b36;--muted:#58716b;--line:#d9e6de;--paper:#fffdf8;--bg:#f0f6f2;--mint:#a9e3cd;--dark:#0b292a;--max:1040px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans Thai","Noto Sans",Tahoma,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7}
a{color:#126b61;text-underline-offset:3px}
button{font:inherit}
.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:14px;top:14px;z-index:100;background:#fff;padding:9px 13px;border-radius:9px}
.top{background:var(--dark);color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
.nav{min-height:72px;display:flex;align-items:center;gap:22px}
.brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:#fff;margin-right:auto}
.brand img{display:block;width:51px;height:50px;object-fit:contain}
.brand-type{display:flex;flex-direction:column;line-height:1}
.brand-type strong{font-size:1.18rem;letter-spacing:-.03em}
.brand-type small{font-size:.57rem;letter-spacing:.27em;margin-top:5px;font-weight:800}
.navlinks{display:flex;gap:20px;flex-wrap:wrap}
.navlinks a{color:#d7ebe3;text-decoration:none;font-size:.9rem}
.navlinks a:hover{color:var(--mint)}
.hero{padding:58px 0 60px;background:radial-gradient(circle at 82% 12%,rgba(125,212,175,.19),transparent 34%),linear-gradient(135deg,#0b292a,#17403b);color:#fff}
.eyebrow{display:inline-flex;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:5px 10px;color:#a9e3cd;font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.hero h1{font-size:clamp(2.8rem,6vw,5rem);line-height:1.04;letter-spacing:-.045em;margin:14px 0 13px;text-wrap:balance}
.hero p{max-width:730px;color:#d1e8dc;font-size:1.05rem;margin:0}
.langbar{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.langrow{min-height:66px;display:flex;align-items:center;gap:12px}
.langrow strong{margin-right:auto;font-size:.92rem}
.langbuttons{display:flex;gap:7px;flex-wrap:wrap}
.langbuttons button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px;cursor:pointer;color:#37534d}
.langbuttons button[aria-pressed="true"]{background:#123c38;color:#fff;border-color:#123c38}
main{padding:38px 0 85px}
.article{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:clamp(24px,4vw,54px);box-shadow:0 22px 60px rgba(16,57,47,.07)}
.article h2{font-size:1.5rem;line-height:1.25;letter-spacing:-.02em;margin:36px 0 11px}
.article h2[id]{scroll-margin-top:90px}
.article h2:first-of-type{margin-top:26px}
.article p{margin:11px 0;color:#36554e}
.article ul,.article ol{padding-left:23px;margin:10px 0}
.article li{padding-left:3px;margin:7px 0;color:#36554e}
.meta{display:flex;gap:10px 22px;flex-wrap:wrap;margin-bottom:26px;padding:15px 18px;background:#eaf5ed;border:1px solid #d2e9d8;border-radius:14px;font-size:.9rem}
.notice{padding:17px 20px;margin:22px 0;border-radius:15px;background:#e5f2eb;border-left:4px solid #4da986}
.notice p{margin:0}
.linksbox{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}
.linksbox a{border:1px solid #bfd9c9;border-radius:999px;padding:8px 12px;text-decoration:none;font-weight:750;background:#fff}
.article a:hover,.linksbox a:hover{color:#08483f}
footer{background:var(--dark);color:#bdd3c9;padding:31px 0}
.foot{display:flex;justify-content:space-between;gap:18px;align-items:center}
.footlinks{display:flex;gap:16px;flex-wrap:wrap}
.foot a{color:#e2f2e8;text-decoration:none}
.foot a:hover{text-decoration:underline}
[hidden]{display:none!important}
:focus-visible{outline:3px solid #e6b57e;outline-offset:3px}
html[lang="th"] h1,html[lang="th"] h2{letter-spacing:0;line-height:1.18}
@media(max-width:800px){.navlinks{display:none}.foot{align-items:flex-start;flex-direction:column}}
@media(max-width:550px){.wrap{width:min(var(--max),calc(100% - 22px))}.hero{padding:42px 0 45px}.hero h1{font-size:2.7rem}.langrow{align-items:flex-start;flex-direction:column;padding:11px 0}.langrow strong{margin-right:0}.article{border-radius:18px;padding:23px 19px}main{padding-top:23px}}