:root{--navy:#0F2042;--navy2:#1B365D;--gold:#C59B27;--gold-ink:#7A5C00;--canvas:#F9FAF8;--sand:#F4F6F0;--ink:#1E293B;--slate:#334155;--mute:#64748B;--line:#E2E8F0;--line2:#CBD5E1}
*{box-sizing:border-box}
body{margin:0;background:var(--canvas);color:var(--ink);font:400 16px/26px Inter,Sarabun,'Noto Sans Thai',sans-serif}
:lang(th){line-height:1.8}
a{color:var(--navy2);text-decoration:none}a:hover{color:var(--navy)}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
h1,h2,h3,p{margin:0}
.serif{font-family:Merriweather,Sarabun,Georgia,serif}
.wrap{max-width:1280px;margin:0 auto;padding-left:3rem;padding-right:3rem}
@media(max-width:700px){.wrap{padding-left:1.25rem;padding-right:1.25rem}}
header{background:#fff;border-bottom:1px solid var(--line)}
.bar{display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}
.brand b{display:block;font:700 18px/24px Merriweather,Georgia,serif;color:var(--navy)}
.brand span{font:400 13px/20px Sarabun,sans-serif;color:var(--mute)}
nav{display:flex;flex-wrap:wrap;gap:8px 28px;align-items:center}
nav a{font-size:14px;font-weight:600;color:var(--slate);padding:4px 0;border-bottom:2px solid transparent}
nav a:hover{border-color:var(--gold);color:var(--navy)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:4px;font:600 14px Inter,Sarabun,sans-serif;cursor:pointer;border:1px solid var(--navy);background:var(--navy);color:#fff}
.btn:hover{background:var(--navy2);color:#fff}
.btn.sec{background:transparent;color:var(--navy2);border-color:var(--navy2);padding:0 14px;min-height:36px}
.btn.sec:hover{background:rgba(27,54,93,.05);color:var(--navy2)}
.btn.gold{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.btn.gold:hover{background:#D4AC3A;color:var(--navy)}
.chip{display:inline-block;background:var(--sand);border:1px solid var(--line);border-left:2px solid var(--gold);border-radius:2px;padding:4px 8px;font:600 11px/14px Inter,sans-serif;letter-spacing:.04em;text-transform:uppercase;color:var(--navy2)}
.ok{background:#F0FDF4;color:#166534;border-radius:2px;padding:4px 8px;font:600 11px/14px Inter,sans-serif;letter-spacing:.04em;text-transform:uppercase}
.hero{background:var(--navy)}
.hero .wrap{display:flex;flex-wrap:wrap;gap:56px;align-items:center;padding-top:80px;padding-bottom:80px}
.col{flex:1 1 420px;min-width:0}
h1{font:700 clamp(32px,5vw,44px)/1.27 Merriweather,Sarabun,Georgia,serif;letter-spacing:-.02em;color:#fff}
:lang(th) h1{line-height:1.5}
.sub{font:400 22px/1.7 Sarabun,sans-serif;color:#EEC14B}
.lead{font-size:18px;line-height:30px;color:#D9E2FF;max-width:540px}
.field{width:100%;min-height:44px;padding:10px 14px;border:1px solid var(--line2);border-radius:4px;background:#fff;color:var(--ink);font:400 14px Inter,Sarabun,sans-serif}
.field:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(197,155,39,.2);outline:none}
.card{background:#fff;border:1px solid var(--line);border-radius:4px;padding:24px}
.card.l2{border-color:var(--line2);box-shadow:0 4px 16px -2px rgba(15,32,66,.06),0 2px 4px -1px rgba(15,32,66,.03)}
.plain{background:var(--canvas);border-left:3px solid var(--gold);padding:14px 16px}
.plain small{display:block;font:600 11px/14px Inter,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-ink);margin-bottom:6px}
.stack{display:flex;flex-direction:column}
.row{display:flex;flex-wrap:wrap}
h2{font:700 32px/44px Merriweather,Sarabun,Georgia,serif;letter-spacing:-.015em;color:var(--navy)}
:lang(th) h2{line-height:1.5}
section.pad{padding-top:80px;padding-bottom:40px}
.aud{display:flex;flex-wrap:wrap;gap:24px;margin-top:40px}
.aud .card{flex:1 1 280px}
.aud h3{font:600 20px/30px Inter,Sarabun,sans-serif;color:var(--navy);margin-bottom:12px}
.aud p{font-size:14px;line-height:22px;color:var(--slate)}
.scroll{overflow-x:auto;border:1px solid var(--line);border-radius:4px;background:#fff;margin-top:32px}
table{width:100%;min-width:640px;border-collapse:collapse}
th{background:var(--sand);text-align:left;padding:12px 20px;font:600 12px/16px Inter,Sarabun,sans-serif;letter-spacing:.04em;color:var(--slate)}
td{padding:14px 20px;border-top:1px solid var(--line);font-size:16px}
tbody tr:nth-child(even){background:#FBFBFA}
tbody tr:hover{background:rgba(197,155,39,.04)}
td.thai{font-family:Sarabun,'Noto Sans Thai',sans-serif;line-height:1.7}
#empty{display:none;padding:20px;font-size:14px;color:var(--mute)}
.calc{background:#F2F4EE;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:40px}
.calc .wrap{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start;padding-top:80px;padding-bottom:80px}
label{display:block;font:600 11px/14px Inter,Sarabun,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:#475569;margin-bottom:6px}
.ledger{background:var(--navy);border-radius:4px;padding:32px;color:#D9E2FF;font-variant-numeric:tabular-nums}
.ledger .lbl{font:600 11px/14px Inter,Sarabun,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:#B6C6F1}
.ledger .big{font:700 40px/48px Merriweather,Georgia,serif;color:#fff;margin:12px 0 20px;overflow-wrap:anywhere}
.ledger .ln{display:flex;justify-content:space-between;gap:16px;font-size:14px;line-height:22px;padding:6px 0;border-top:1px solid #37466A}
.ledger .ln:first-of-type{margin-top:4px}
.ledger .ln em{font-style:normal;color:#EEC14B}
#msg{font-size:14px;line-height:22px;color:#fff;min-height:22px}
#err{color:#93000a;font-size:14px;margin-top:12px;min-height:22px}
footer{background:#fff;border-top:1px solid var(--line)}
footer .wrap{display:flex;flex-wrap:wrap;gap:24px 48px;justify-content:space-between;padding-top:40px;padding-bottom:40px}
footer p{font-size:14px;line-height:22px;color:#45464E;max-width:560px}
[data-view]{display:none}[data-view].on{display:block}nav a[aria-current]{border-color:var(--gold);color:var(--navy)}.pg{padding-top:64px;padding-bottom:64px}.sgrid{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px}.sgrid .card{flex:1 1 320px;min-width:0}.sgrid h3{font:700 24px/34px Merriweather,Sarabun,serif;color:var(--navy);margin:12px 0}