/* THE LAB — redhatai.net theme v1 (ai_sites_premium_theme_v1)
   palette: bg #0D1117 · grid #1F2630 · ink #E6EDF3 · muted #8B949E · red #C8102E · red2 #A00D25 · ok #3FB68B */

/* ---------- fonts (self-hosted) ---------- */
@font-face { font-family: 'Space Grotesk'; src: url('../fonts/space-grotesk-500.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Space Grotesk'; src: url('../fonts/space-grotesk-700.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'IBM Plex Sans Thai'; src: url('../fonts/plex-sansthai-thai-400.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; unicode-range: U+0E01-0E5B, U+200C-200D, U+2013-2014; }
@font-face { font-family: 'IBM Plex Sans Thai'; src: url('../fonts/plex-sansthai-thai-500.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; unicode-range: U+0E01-0E5B, U+200C-200D, U+2013-2014; }
@font-face { font-family: 'IBM Plex Sans Thai'; src: url('../fonts/plex-sansthai-thai-700.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; unicode-range: U+0E01-0E5B, U+200C-200D, U+2013-2014; }
@font-face { font-family: 'IBM Plex Sans Thai'; src: url('../fonts/plex-sansthai-latin-400.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; unicode-range: U+0000-00FF, U+2000-206F; }
@font-face { font-family: 'IBM Plex Sans Thai'; src: url('../fonts/plex-sansthai-latin-700.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; unicode-range: U+0000-00FF, U+2000-206F; }
@font-face { font-family: 'IBM Plex Mono'; src: url('../fonts/plex-mono-400.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'IBM Plex Mono'; src: url('../fonts/plex-mono-500.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'IBM Plex Mono'; src: url('../fonts/plex-mono-700.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }

/* ---------- base ---------- */
:root {
  --bg: #0D1117; --panel: #10161F; --panel2: #161D27; --grid: #1F2630;
  --ink: #E6EDF3; --muted: #8B949E; --red: #C8102E; --red2: #A00D25; --ok: #3FB68B;
  --line: #222B38; --disp: 'Space Grotesk', 'IBM Plex Sans Thai', sans-serif;
  --sans: 'IBM Plex Sans Thai', 'Noto Sans Thai', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --tx-mute: #8B949E; --gold: #E5484D; --gold2: #C8102E;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16.5px; line-height: 1.75; overflow-wrap: break-word;
}
img, svg { max-width: 100%; height: auto; }
a { color: #F0A6B0; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.mono { font-family: var(--mono); font-size: .84em; letter-spacing: .02em; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--red); color: #fff; padding: 8px 14px; z-index: 99; }
.skip:focus { left: 8px; top: 8px; }

/* blueprint grid background (CSS only) */
.home-grid-bg {
  background-image:
    repeating-linear-gradient(0deg, rgba(31, 38, 48, 0.35) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(31, 38, 48, 0.35) 0 1px, transparent 1px 24px);
}
.home-in { max-width: 1240px; margin: 0 auto; padding: 26px 20px 70px; }

/* ---------- masthead ---------- */
.mast { border-bottom: 1px solid var(--line); background: rgba(13, 17, 23, 0.94); position: relative; }
.mast-in { max-width: 1240px; margin: 0 auto; padding: 20px 20px 14px; display: flex; flex-wrap: wrap; gap: 12px 30px; align-items: center; justify-content: space-between; }
.brand { font-family: var(--disp); font-weight: 700; font-size: 20px; letter-spacing: .04em; color: var(--ink); display: inline-flex; align-items: center; gap: 10px; }
.brand:hover { text-decoration: none; color: #fff; }
.brand small { font-family: var(--mono); font-size: 10.5px; color: var(--muted); letter-spacing: .16em; font-weight: 400; }
.brand-sq { width: 12px; height: 12px; background: var(--red); display: inline-block; }
.mast-nav { display: flex; flex-wrap: wrap; gap: 4px 22px; align-items: baseline; font-size: 15px; }
.mast-nav a { color: var(--ink); padding: 3px 1px; border-bottom: 2px solid transparent; }
.mast-nav a:hover { color: #F0A6B0; text-decoration: none; }
.mast-nav a[aria-current="page"] { border-bottom-color: var(--red); }
.nav-cta { font-family: var(--mono); font-size: 12.5px; border: 1px solid var(--red); color: #F0A6B0; padding: 5px 12px; }
.nav-cta:hover { background: var(--red); color: #fff; text-decoration: none; }
.mast-sheet { max-width: 1240px; margin: 0 auto; padding: 0 20px 10px; font-family: var(--mono); font-size: 10px; letter-spacing: .2em; color: #55606E; }

/* ---------- sheets ---------- */
.sheet { position: relative; border: 1px solid var(--line); background: rgba(13, 17, 23, 0.82); padding: 30px 30px 34px; margin: 0 0 30px; }
.sheet-corner { position: absolute; top: -1px; left: -1px; background: var(--panel2); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 10.5px; letter-spacing: .18em; padding: 5px 12px; }
.page-t { font-family: var(--disp); font-weight: 700; font-size: clamp(26px, 3.2vw, 40px); line-height: 1.2; margin: 14px 0 8px; }
.page-sub { color: var(--muted); margin: 0 0 8px; }
.empty { color: var(--muted); }

/* SHEET 01 rig */
.rig-grid { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr); gap: 28px; margin-top: 18px; }
.rigsvg { display: block; width: 100%; border: 1px solid var(--line); background: rgba(13, 17, 23, 0.6); }
.spectable { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 14px; }
.spectable th { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--muted); text-align: left; border-bottom: 1px solid var(--line); padding: 8px 12px 8px 0; }
.spectable td { border-bottom: 1px solid rgba(34, 43, 56, 0.6); padding: 9px 12px 9px 0; vertical-align: top; line-height: 1.55; }
.spectable td.mono { font-size: 12px; color: #C9D4E0; }

/* live rig panel */
.rigpanel { border: 1px solid var(--line); background: var(--panel); padding: 16px 18px; align-self: start; position: sticky; top: 14px; }
.rigpanel-h { font-size: 11px; letter-spacing: .16em; color: var(--red); border-bottom: 1px solid var(--line); padding-bottom: 8px; margin-bottom: 6px; }
#rig-asof { color: var(--muted); }
.rigpanel-list { margin: 0; }
.rp-row { display: flex; gap: 14px; align-items: baseline; padding: 8px 0; border-bottom: 1px dashed rgba(34, 43, 56, 0.7); }
.rp-row dt { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; color: var(--muted); min-width: 88px; margin: 0; }
.rp-row dd { margin: 0; font-family: var(--mono); font-size: 13.5px; color: var(--ink); }
.rp-dot { width: 8px; height: 8px; background: var(--ok); border-radius: 50%; display: inline-block; margin-right: 8px; }
.ok { color: var(--ok); }
.warn { color: #E3B341; }
.rigpanel-note { margin-top: 12px; font-size: 10px; color: #55606E; line-height: 1.6; }

/* SHEET 02 benchmarks */
.benchtable { width: 100%; border-collapse: collapse; font-size: 15px; }
.benchtable th { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--muted); text-align: left; border-bottom: 2px solid var(--red); padding: 10px 14px 10px 0; }
.benchtable td { border-bottom: 1px solid rgba(34, 43, 56, 0.6); padding: 12px 14px 12px 0; vertical-align: top; line-height: 1.6; }
.benchtable td.mono { font-size: 13px; color: #C9D4E0; }
.benchtable .num { text-align: right; white-space: nowrap; }
.sheet-note { margin-top: 14px; font-size: 11px; color: #55606E; }

/* SHEET 03 lab log */
.loglist { list-style: none; margin: 16px 0 0; padding: 0; }
.logrow { display: flex; gap: 18px; align-items: baseline; padding: 13px 0; border-bottom: 1px dashed rgba(34, 43, 56, 0.8); flex-wrap: wrap; }
.log-n { color: var(--red); font-size: 14px; min-width: 40px; }
.log-d { color: var(--muted); font-size: 12px; min-width: 86px; }
.log-t { color: var(--ink); font-family: var(--disp); font-weight: 500; font-size: 18.5px; line-height: 1.4; }
.log-t:hover { color: #F0A6B0; text-decoration: none; }
.log-tag { font-family: var(--mono); font-size: 10.5px; color: var(--muted); border: 1px solid var(--line); padding: 1px 8px; margin-left: auto; }
.log-body { flex: 1; min-width: 220px; }
.log-d2 { color: var(--muted); font-size: 14.5px; margin: 4px 0 0; max-width: 74ch; }
.log-meta { font-size: 11px; color: var(--muted); margin-top: 4px; }
.log-meta a { color: var(--muted); }
.log-meta a:hover { color: #F0A6B0; }
.sheet-more { padding-top: 16px; }
.btnline { font-family: var(--mono); font-size: 13px; color: #F0A6B0; border-bottom: 1px solid var(--red); padding-bottom: 2px; }
.btnline:hover { color: #fff; border-color: #fff; text-decoration: none; }
.pager { display: flex; gap: 26px; padding: 22px 0 0; color: var(--muted); font-size: 12px; }
.pager a { color: #F0A6B0; }

/* SHEET 04 parts */
.partstable { width: 100%; border-collapse: collapse; font-size: 15px; }
.partstable th { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--muted); text-align: left; border-bottom: 2px solid var(--red); padding: 10px 14px 10px 0; }
.partstable td { border-bottom: 1px solid rgba(34, 43, 56, 0.6); padding: 13px 14px 13px 0; vertical-align: top; line-height: 1.6; }
.partstable td.num { text-align: right; white-space: nowrap; }
.partstable a { color: var(--ink); border-bottom: 1px solid var(--red2); }
.partstable a:hover { color: #F0A6B0; text-decoration: none; }

/* SHEET 05 links */
.fleetlinks { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.fl { background: var(--panel); padding: 16px 18px; display: flex; flex-direction: column; gap: 5px; color: var(--ink); }
.fl:hover { background: var(--panel2); text-decoration: none; }
.fl-u { font-size: 12.5px; color: #F0A6B0; }
.fl span:last-child { color: var(--muted); font-size: 14px; }

/* tags */
.tagcloud { display: flex; flex-wrap: wrap; gap: 10px; padding: 8px 0 20px; }
.tagchip { font-size: 12.5px; color: var(--ink); border: 1px solid var(--line); padding: 6px 12px; }
.tagchip:hover { color: #F0A6B0; border-color: var(--red); text-decoration: none; }

/* ---------- article ---------- */
.article-head { max-width: 1240px; margin: 0 auto; padding: 30px 20px 16px; }
.crumb { color: var(--muted); font-size: 11.5px; letter-spacing: .1em; margin-bottom: 12px; }
.crumb a { color: var(--muted); }
.article-t { font-family: var(--disp); font-weight: 700; font-size: clamp(28px, 3.6vw, 48px); line-height: 1.18; margin: 0 0 14px; max-width: 22em; }
.article-byline { display: flex; flex-wrap: wrap; gap: 6px 24px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); padding-top: 12px; letter-spacing: .04em; }
.byline-tags { color: #F0A6B0; }
.article-hero { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.article-hero svg, .article-hero img { display: block; width: 100%; border: 1px solid var(--line); }
.isohero { background: var(--bg); }
.answerfirst { max-width: 1240px; margin: 24px auto 0; padding: 0 20px; }
.answerfirst .af-k { color: var(--red); font-size: 11px; letter-spacing: .18em; margin-bottom: 8px; }
.answerfirst p { background: var(--panel); border-left: 3px solid var(--red); color: var(--ink); font-size: 17.5px; line-height: 1.85; margin: 0; padding: 18px 22px; max-width: 66ch; }
.article-cols { max-width: 1240px; margin: 28px auto 0; padding: 0 20px 60px; display: grid; grid-template-columns: minmax(0, 2.3fr) minmax(0, 1fr); gap: 34px; }
.article-main { border: 1px solid var(--line); background: rgba(13, 17, 23, 0.82); padding: 36px 40px 42px; }
.toc { border: 1px solid var(--line); background: var(--panel); padding: 16px 20px; margin-bottom: 28px; }
.toc-h { font-size: 11px; letter-spacing: .18em; color: var(--red); margin-bottom: 8px; }
.toc-list { margin: 0; padding-left: 20px; }
.toc-list li { padding: 3px 0; font-size: 15px; }
.toc-list a { color: var(--ink); border-bottom: 1px dotted #3D4A5C; }
.toc-list a:hover { color: #F0A6B0; }
.article-body { max-width: 68ch; font-size: 17px; line-height: 1.85; }
.article-body h2 { font-family: var(--disp); font-weight: 700; font-size: 24px; line-height: 1.3; margin: 38px 0 13px; color: #fff; padding-left: 14px; border-left: 3px solid var(--red); }
.article-body h3 { font-family: var(--disp); font-weight: 600; font-size: 19px; margin: 28px 0 10px; }
.article-body p { margin: 0 0 17px; }
.article-body ul, .article-body ol { margin: 0 0 17px; padding-left: 26px; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: #F0A6B0; border-bottom: 1px solid var(--red2); }
.article-body strong { font-weight: 700; color: #fff; }
.article-body code { font-family: var(--mono); font-size: .85em; background: var(--panel2); color: #C9D4E0; padding: 1px 6px; border-radius: 2px; }
.article-body pre { background: #0A0E14; border: 1px solid var(--line); color: #C9D4E0; padding: 16px 18px; overflow-x: auto; border-radius: 2px; font-size: 13px; line-height: 1.6; }
.article-body pre code { background: none; padding: 0; }
.article-body blockquote { border-left: 3px solid var(--red2); margin: 0 0 17px; padding: 4px 0 4px 18px; color: var(--muted); }
.article-body table { display: block; overflow-x: auto; border-collapse: collapse; margin: 0 0 22px; max-width: 100%; font-size: 14.5px; }
.article-body th { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-align: left; color: var(--muted); border-bottom: 2px solid var(--red); padding: 8px 14px 8px 0; }
.article-body td { border-bottom: 1px solid rgba(34, 43, 56, 0.8); padding: 9px 14px 9px 0; vertical-align: top; line-height: 1.6; }
.article-body td.num, .article-body th.num { font-family: var(--mono); text-align: right; padding-right: 20px; }

/* terminal card (lab) */
.tcard { background: #0A0E14; border: 1px solid var(--line); border-left: 3px solid var(--red); padding: 16px 18px; margin: 28px 0; }
.tcard-head { font-size: 10.5px; letter-spacing: .18em; color: var(--red); margin-bottom: 10px; }
.tcard-grid { margin: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px 18px; }
.tcard-row { display: flex; gap: 16px; align-items: baseline; }
.tcard-row dt { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; color: var(--muted); min-width: 78px; margin: 0; }
.tcard-row dd { margin: 0; font-family: var(--mono); font-size: 13px; color: var(--ink); }
.tcard-row-wide { flex-direction: column; gap: 6px; }
.tcard-row-wide dd { display: flex; flex-direction: column; gap: 4px; }
.tcard-art { font-family: var(--mono); font-size: 12.5px; color: #F0A6B0; border-bottom: 1px dotted #3D4A5C; width: fit-content; }

.refs { margin-top: 32px; border-top: 2px solid var(--red); padding-top: 14px; }
.refs-h { font-size: 11px; letter-spacing: .18em; color: var(--red); }
.refs ul { list-style: none; padding: 0; margin: 8px 0 0; }
.refs li { padding: 7px 0; border-bottom: 1px dashed rgba(34, 43, 56, 0.8); font-size: 15px; }
.refs a { font-family: var(--mono); font-size: 13px; color: #F0A6B0; }

.authorbox { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 20px; margin-top: 32px; border: 1px solid var(--line); padding: 18px; background: var(--panel); }
.authorbox-img { width: 84px; height: 105px; object-fit: cover; filter: grayscale(40%); border: 1px solid var(--line); }
.authorbox-k { font-size: 10px; letter-spacing: .18em; color: var(--red); }
.authorbox-name { font-family: var(--disp); font-weight: 600; font-size: 18.5px; margin: 4px 0 6px; }
.authorbox-bio { margin: 0 0 10px; font-size: 14.5px; line-height: 1.7; color: var(--muted); }
.authorbox-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.authorbox-links a { font-family: var(--mono); font-size: 12px; color: #F0A6B0; }

.cta-lab { margin-top: 30px; border: 1px solid var(--red); background: rgba(200, 16, 46, 0.07); padding: 20px 22px; }
.cta-lab-t { font-family: var(--disp); font-weight: 600; font-size: 18px; margin-bottom: 12px; }
.cta-lab-links { display: flex; flex-wrap: wrap; gap: 12px; }
.btnred { display: inline-block; background: var(--red); color: #fff; font-family: var(--mono); font-weight: 700; font-size: 13px; letter-spacing: .04em; padding: 10px 16px; border-radius: 2px; }
.btnred:hover { background: var(--red2); color: #fff; text-decoration: none; }
.btnline2 { display: inline-block; border: 1px solid var(--muted); color: var(--ink); font-family: var(--mono); font-size: 13px; padding: 10px 16px; border-radius: 2px; }
.btnline2:hover { border-color: #fff; color: #fff; text-decoration: none; }

.article-rail { display: flex; flex-direction: column; gap: 22px; }
.rail-box { border: 1px solid var(--line); padding: 15px 17px; background: var(--panel); }
.rail-h { font-size: 11px; letter-spacing: .18em; color: var(--red); margin-bottom: 6px; }
.rail-item { display: flex; flex-direction: column; gap: 3px; padding: 10px 0; border-bottom: 1px dashed rgba(34, 43, 56, 0.8); color: var(--ink); }
.rail-item:last-child { border-bottom: none; }
.rail-item:hover { text-decoration: none; }
.rail-item:hover .ri-t { color: #F0A6B0; }
.ri-d { color: var(--muted); font-size: 11px; }
.ri-t { font-size: 14.5px; line-height: 1.55; }

/* ---------- footer ---------- */
.foot { border-top: 2px solid var(--red); margin-top: 10px; }
.foot-in { max-width: 1240px; margin: 0 auto; padding: 36px 20px 30px; display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.4fr); gap: 30px; }
.foot-word { font-family: var(--disp); font-weight: 700; font-size: 20px; }
.foot-word span { color: var(--muted); font-weight: 400; font-family: var(--mono); font-size: 12px; }
.foot-sub { color: var(--muted); font-size: 13.5px; margin-top: 6px; }
.foot-note { font-family: var(--mono); font-size: 10.5px; color: #55606E; margin-top: 12px; line-height: 1.6; }
.foot-h { font-family: var(--mono); font-size: 10.5px; letter-spacing: .18em; color: var(--red); margin-bottom: 9px; }
.foot-col { display: flex; flex-direction: column; gap: 5px; }
.foot-col a { color: var(--muted); font-size: 13.5px; }
.foot-col a:hover { color: #F0A6B0; }
.foot-legal { color: var(--muted); font-size: 12.5px; line-height: 1.7; }
.foot-risk { margin-top: 6px; }

/* ==========================================================
   LEGACY COMPAT LAYER — preserved raw-HTML pages (home copy,
   product pages, signals, contact). Copy intact; only styled.
   .fi animations neutralized (design law: no scroll fade-ins).
   ========================================================== */
.sheet .wrap, .sheet-archive .wrap { max-width: 1160px; margin: 0 auto; }
.sheet-archive { padding-top: 44px; }
.hero, .p-hero { position: relative; padding: 40px 0 30px; border-bottom: 1px solid var(--line); }
.p-hero .bgimg { position: absolute; inset: 0; overflow: hidden; z-index: 0; }
.p-hero .bgimg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.22; filter: saturate(0.5) contrast(1.05); }
.p-hero .in, .hero-in { position: relative; z-index: 1; }
.kicker { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: .16em; color: #F0A6B0; border: 1px solid var(--line); background: rgba(13, 17, 23, 0.85); padding: 5px 12px; }
.pulse { width: 8px; height: 8px; background: var(--red); border-radius: 50%; display: inline-block; }
.hero-t { font-family: var(--disp); font-weight: 700; font-size: clamp(28px, 3.6vw, 46px); line-height: 1.18; margin: 18px 0 12px; }
.hero-t .gold, .sec-t .gold, .gold { color: #F0A6B0; }
.hero-sub, .lead { color: var(--muted); font-size: 17px; line-height: 1.8; max-width: 68ch; }
.hero-sub b, .lead b { color: var(--ink); }
.hero-ctas, .p-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 22px; }
.btn { display: inline-block; font-family: var(--mono); font-size: 13.5px; letter-spacing: .03em; padding: 11px 18px; border-radius: 2px; border: 1px solid transparent; }
.btn:hover { text-decoration: none; }
.btn-gold { background: var(--red); color: #fff; }
.btn-gold:hover { background: var(--red2); }
.btn-ghost { border-color: var(--muted); color: var(--ink); }
.btn-ghost:hover { border-color: #fff; color: #fff; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px 34px; margin-top: 26px; padding-top: 16px; border-top: 1px dashed var(--line); }
.hero-meta div { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.hero-meta b { color: #F0A6B0; font-size: 16px; margin-right: 6px; }
.sec { padding: 40px 0 10px; }
.sec-head { margin-bottom: 26px; }
.sec-kicker { font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; color: var(--red); text-transform: uppercase; }
.sec-t { font-family: var(--disp); font-weight: 700; font-size: clamp(23px, 2.8vw, 34px); line-height: 1.22; margin: 8px 0 8px; }
.sec-d { color: var(--muted); margin: 0; max-width: 72ch; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.card { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--panel); color: var(--ink); overflow: hidden; }
.card:hover { border-color: #3D4A5C; text-decoration: none; background: var(--panel2); }
.card .thumb img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: block; opacity: 0.9; }
.card .body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; }
.card .tag { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; color: #F0A6B0; }
.card h3 { font-family: var(--disp); font-weight: 600; font-size: 18.5px; margin: 0; line-height: 1.3; }
.card p { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 0; }
.card .go { font-family: var(--mono); font-size: 12px; color: #F0A6B0; border-bottom: 1px solid var(--red2); width: fit-content; }
.divider { border-top: 1px dashed var(--line); margin: 26px 0; }
.sig-wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.sig-card { border: 1px solid var(--line); background: var(--panel); padding: 22px; }
.sig-card h3 { font-family: var(--disp); font-size: 18px; margin: 0 0 14px; }
.sched { width: 100%; border-collapse: collapse; font-size: 14px; }
.sched th { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--muted); text-align: left; border-bottom: 1px solid var(--line); padding: 8px 12px 8px 0; }
.sched td { border-bottom: 1px dashed rgba(34, 43, 56, 0.8); padding: 8px 12px 8px 0; }
.sched .t { font-family: var(--mono); color: #C9D4E0; }
.list-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.lc { display: flex; flex-direction: column; gap: 4px; border: 1px solid var(--line); background: var(--panel); padding: 14px 16px; color: var(--ink); }
.lc:hover { border-color: #3D4A5C; text-decoration: none; }
.lc .b { font-family: var(--mono); font-size: 13.5px; color: #F0A6B0; }
.lc span:last-child { color: var(--muted); font-size: 13.5px; }
.chips-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.pill { font-family: var(--mono); font-size: 12px; color: var(--ink); border: 1px solid var(--line); padding: 5px 12px; }
.pill b { color: #F0A6B0; }
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.feat { border: 1px solid var(--line); border-left: 3px solid var(--red); background: var(--panel); padding: 20px; }
.feat .ic { font-size: 20px; }
.feat h3 { font-family: var(--disp); font-size: 17.5px; margin: 8px 0 6px; }
.feat p { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 0; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.fchip { font-family: var(--mono); font-size: 11.5px; color: var(--muted); border: 1px solid var(--line); padding: 4px 11px; }
.strip { border: 1px solid var(--red); background: rgba(200, 16, 46, 0.07); margin-top: 30px; }
.strip .in { padding: 30px 26px; text-align: center; }
.strip h3 { font-family: var(--disp); font-size: 24px; margin: 0 0 6px; }
.strip p { color: var(--muted); margin: 0 0 18px; }
.channels { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.chan { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); background: var(--panel); padding: 15px 18px; color: var(--ink); font-family: var(--disp); font-weight: 500; }
.chan:hover { border-color: #3D4A5C; text-decoration: none; }
.notice { border: 1px solid #E3B341; background: rgba(227, 179, 65, 0.08); padding: 16px 18px; font-size: 15px; line-height: 1.7; color: var(--ink); }
.notice b { color: #E3B341; }
.shot { margin: 24px 0; border: 1px solid var(--line); background: var(--panel); padding: 10px; }
.shot img { width: 100%; display: block; }
.fig-cap, figcaption { font-family: var(--mono); font-size: 11px; color: var(--muted); padding: 10px 4px 2px; }
.fi { animation: none !important; opacity: 1 !important; transform: none !important; }
.sheet-archive section, .sheet-archive .sec { scroll-margin-top: 70px; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .rig-grid, .article-cols { grid-template-columns: minmax(0, 1fr); }
  .rigpanel { position: static; }
  .foot-in { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .sheet { padding: 22px 16px 26px; }
  .article-main { padding: 24px 18px 28px; }
  .logrow { gap: 10px; }
  .log-tag { display: none; }
  .foot-in { grid-template-columns: minmax(0, 1fr); }
  .article-body { font-size: 16.5px; }
  .spectable, .benchtable, .partstable { font-size: 13.5px; }
}