/* webpang บทความ — shared reading styles. Layout: sticky nav, one 68ch reading column, wide figures for good/bad comparisons. */
:root{
  --bg:#FBFBFD; --alt:#F5F5F7; --card:#FFFFFF; --ink:#1D1D1F; --muted:#6E6E73; --line:#E3E3E8;
  --accent:#E8730C; --link:#C25F07; --good:#1D8A55; --good-soft:#E6F4EC; --bad:#C23B3B; --bad-soft:#FBEAEA;
  --f:"Noto Sans Thai",-apple-system,"Helvetica Neue",system-ui,sans-serif; --mono:"IBM Plex Mono",ui-monospace,monospace;
  color-scheme:light;
  padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.85 var(--f);-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
img{max-width:100%}
a{color:var(--link)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.gut{padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:31;background:var(--bg)}
nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:rgba(251,251,253,.85);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid var(--line)}
nav .in{max-width:1080px;margin:0 auto;height:52px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-family:"Bricolage Grotesque",var(--f);font-weight:800;font-size:19px;letter-spacing:-.04em}
.logo svg{width:26px;height:26px;color:var(--ink)}
.logo b{color:var(--accent);font-weight:800}
.links{display:flex;gap:24px;font-size:14px}
.links a{color:var(--muted);text-decoration:none}
.links a:hover,.links a[aria-current]{color:var(--ink)}
.pill{display:inline-flex;align-items:center;border-radius:99px;padding:7px 16px;background:var(--accent);color:#fff;text-decoration:none;font-size:14px;font-weight:500;white-space:nowrap}

/* article */
.wrap{max-width:720px;margin:0 auto}
header.post{padding-block:72px 32px}
.crumb{font-size:14px;color:var(--muted)}
.crumb a{color:var(--muted);text-decoration:none}
.tag{display:inline-block;font-size:13px;font-weight:600;color:var(--link);margin-top:22px}
h1{font-size:clamp(34px,5.4vw,52px);line-height:1.15;letter-spacing:-.02em;margin:8px 0 0;text-wrap:balance}
.lede{font-size:21px;color:var(--muted);margin:20px 0 0;line-height:1.7}
.meta{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
article{padding-bottom:40px}
article h2{font-size:28px;line-height:1.3;letter-spacing:-.01em;margin:56px 0 12px;text-wrap:balance}
article h3{font-size:21px;line-height:1.4;margin:34px 0 8px}
article p{margin:0 0 18px}
article ul,article ol{margin:0 0 20px;padding-left:24px}
article li{margin-bottom:8px}
article strong{font-weight:600}
.tldr{background:var(--alt);border-radius:20px;padding:22px 26px;margin:8px 0 8px}
.tldr b{display:block;font-size:14px;color:var(--muted);margin-bottom:6px;font-weight:600}
.tldr ul{margin:0}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0 26px}
.vs > div{border-radius:16px;padding:16px 18px;font-size:16px;line-height:1.7;min-width:0}
.vs .bad{background:var(--bad-soft)}
.vs .good{background:var(--good-soft)}
.vs .lbl{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;margin-bottom:6px}
.vs .bad .lbl{color:var(--bad)}.vs .good .lbl{color:var(--good)}
.vs .lbl svg{width:16px;height:16px}
.num{display:flex;gap:14px;align-items:baseline;margin:44px 0 6px}
.num > span{font:500 14px var(--mono);color:var(--accent)}
.num h2{margin:0}
table{width:100%;border-collapse:collapse;font-size:16px;margin:10px 0 24px}
.tbl{overflow-x:auto;margin:0 0 8px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:14px;color:var(--muted);font-weight:600}
td.n{font-family:var(--mono);font-size:15px;white-space:nowrap;font-variant-numeric:tabular-nums}
.note{font-size:15px;color:var(--muted)}
code{font-family:var(--mono);font-size:.88em;background:var(--alt);padding:2px 6px;border-radius:6px}
.check{list-style:none;padding:0}
.check li{position:relative;padding-left:32px}
.check li::before{content:"";position:absolute;left:2px;top:.55em;width:18px;height:18px;border-radius:6px;box-shadow:inset 0 0 0 2px var(--accent)}
.cta{margin:56px 0 0;border-radius:24px;padding:30px;background:var(--card);box-shadow:0 0 0 1px var(--line);display:grid;gap:12px}
.cta h2{margin:0;font-size:24px}
.cta p{margin:0;color:var(--muted);font-size:16px}
.cta .row{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.cta .mail{font:500 16px var(--mono);user-select:all}
.src{font-size:14.5px;color:var(--muted);margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}
.src ul{padding-left:20px}
.related{padding-block:56px 72px;background:var(--alt)}
.related .in{max-width:1080px;margin:0 auto}
.related h2{font-size:24px;margin:0 0 22px}

figure{margin:28px 0 30px}
figure img{display:block;width:100%;height:auto;border-radius:20px;background:var(--alt)}
figcaption{font-size:14.5px;color:var(--muted);margin-top:10px;line-height:1.6}
.hero{margin-bottom:12px}
.hero .wide{max-width:960px;margin:0 auto}
.hero figure{margin:0}
.hero figure img{border-radius:28px}
.card .thumb{width:calc(100% + 52px);max-width:none;margin:-26px -26px 8px;height:auto;aspect-ratio:1200/630;border-radius:22px 22px 0 0;display:block;background:var(--alt)}
.card{overflow:hidden}
.seg{white-space:nowrap}
article p,article li,.lede,.vs > div,.card p,figcaption{text-wrap:pretty}
/* cards (index + related) */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card{background:var(--card);border-radius:22px;padding:26px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--ink);box-shadow:0 0 0 1px var(--line);transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.card:hover{transform:translateY(-4px)}
.card .k{font-size:13px;font-weight:600;color:var(--link)}
.card h3{margin:0;font-size:21px;line-height:1.35;text-wrap:balance}
.card p{margin:0;font-size:15.5px;color:var(--muted);line-height:1.65;flex:1}
.card .t{font-size:13px;color:var(--muted)}
.hub{padding-block:72px 40px;text-align:center}
.hub h1{margin-top:10px}
.hub .lede{max-width:34em;margin-left:auto;margin-right:auto}
.list{max-width:1080px;margin:0 auto;padding-bottom:80px}
footer{border-top:1px solid var(--line);padding-block:28px;font-size:13px;color:var(--muted)}
footer .in{max-width:1080px;margin:0 auto;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media (max-width:820px){.cards{grid-template-columns:1fr}.links{display:none}}
@media (max-width:560px){.vs{grid-template-columns:1fr}body{font-size:17px}article h2{font-size:24px}.lede{font-size:19px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}