/* FECQA — forum / knowledge-base theme.
   One sans (Inter), one blue, grey metadata, hairline rules, square corners. */

:root{
  --blue:#1554d1; --blue-d:#0f3f9e; --blue-50:#eef3fd; --blue-100:#dce6fa; --blue-200:#b9cdf5;
  --ink:#14171c; --ink-2:#2c323b; --grey:#5d6573; --grey-2:#7a8290;
  --line:#e3e7ee; --line-2:#d3d9e3; --wash:#f6f8fb; --bg:#ffffff;
  --side:236px; --rail:296px; --topbar:60px;
  --f:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--f);font-feature-settings:'cv11','ss01','tnum' 0;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
img{max-width:100%;display:block}
h1,h2,h3{letter-spacing:-.018em;color:var(--ink)}
b,strong{font-weight:700}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--blue);color:#fff;padding:8px 12px;z-index:50}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.ico{flex:none;vertical-align:-.15em}

/* ---------- Top bar ---------- */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line);border-top:3px solid var(--blue)}
.top__in{max-width:1400px;margin:0 auto;height:var(--topbar);display:flex;align-items:center;gap:16px;padding:0 16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex:none}
.brand:hover{text-decoration:none}
.brand__mark{display:block}
.brand__word{font-size:17px;letter-spacing:-.02em;font-weight:500;color:var(--blue);white-space:nowrap}
.brand__word b{color:var(--ink);font-weight:800}
.brand__tag{font-style:normal;font-size:.72em;font-weight:500;color:var(--blue);margin-left:2px}
@media (max-width:479px){.brand__tag{display:none}}
.topsearch{display:none;flex:1;max-width:560px;position:relative;align-items:center}
.topsearch .ico{position:absolute;left:12px;color:var(--grey-2)}
.topsearch input{width:100%;height:38px;border:1px solid var(--line-2);background:var(--wash);padding:0 12px 0 36px;font:inherit;font-size:14px;color:var(--ink);border-radius:0;-webkit-appearance:none}
.topsearch input:focus{background:#fff;border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--blue-100)}
.top__nav{margin-left:auto;display:flex;gap:4px}
.top__nav a{color:var(--ink-2);font-size:14px;font-weight:500;padding:8px 10px}
.top__nav a:hover{color:var(--blue);text-decoration:none;background:var(--wash)}
.top__nav a:first-child{display:none}

/* ---------- Mobile board chips ---------- */
.chips{border-bottom:1px solid var(--line);background:#fff}
.chips__in{display:flex;gap:6px;overflow-x:auto;padding:10px 16px;scrollbar-width:none}
.chips__in::-webkit-scrollbar{display:none}
.chip{flex:none;font-size:13px;font-weight:500;color:var(--ink-2);border:1px solid var(--line-2);padding:5px 10px;white-space:nowrap}
.chip:hover{text-decoration:none;border-color:var(--blue);color:var(--blue)}
.chip.is-on{background:var(--blue);border-color:var(--blue);color:#fff}

/* ---------- Shell ---------- */
.shell{max-width:1400px;margin:0 auto;display:block}
.side{display:none}
.main{min-width:0;padding:20px 16px 56px}

/* ---------- Shared bits ---------- */
.eyebrow{display:flex;align-items:center;gap:8px;margin:0 0 12px;font-size:12.5px;font-weight:600;color:var(--grey);letter-spacing:.02em}
.dot{width:8px;height:8px;background:var(--blue);box-shadow:0 0 0 4px var(--blue-100);flex:none}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13px;color:var(--grey);margin:0 0 16px}
.crumbs a{color:var(--grey)}
.crumbs a:hover{color:var(--blue)}
.crumbs [aria-current]{color:var(--ink-2);font-weight:500}
.crumbs span[aria-hidden]{color:var(--line-2)}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;color:var(--blue);background:var(--blue-50);padding:3px 8px;border:1px solid var(--blue-100);line-height:1.4}
.tag:hover{text-decoration:none;background:var(--blue-100)}
.tag--plain{color:var(--grey);background:#fff;border-color:var(--line);font-weight:500}
.stat{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--grey);white-space:nowrap}
.stat b{color:var(--ink-2);font-weight:700;font-variant-numeric:tabular-nums}
.stat--answered{color:var(--blue);border:1px solid var(--blue);padding:2px 7px 2px 5px;background:#fff}
.stat--answered b{color:var(--blue);font-weight:600}
.qa{display:inline-grid;place-items:center;width:30px;height:30px;font-weight:800;font-size:15px;flex:none;line-height:1}
.qa--q{color:var(--blue);border:2px solid var(--blue);background:#fff}
.qa--a{color:#fff;background:var(--blue);border:2px solid var(--blue)}
.qa--lg{width:40px;height:40px;font-size:19px}

/* ---------- Hero (home) ---------- */
.hero{display:grid;gap:28px;padding:12px 0 32px;border-bottom:1px solid var(--line);margin-bottom:28px;position:relative}
.hero::before{content:"";position:absolute;inset:-20px -16px 0;background:url(/assets/grid.svg) 0 0/24px 24px;opacity:.6;z-index:-1;-webkit-mask-image:linear-gradient(180deg,#000 0,transparent 92%);mask-image:linear-gradient(180deg,#000 0,transparent 92%)}
.hero h1{font-size:clamp(30px,7.6vw,52px);line-height:1.05;letter-spacing:-.035em;font-weight:800;margin:0 0 14px;max-width:15ch}
.hero__sub{font-size:17px;color:var(--grey);margin:0 0 22px;max-width:46ch}
.bigsearch{position:relative;display:flex;align-items:center;background:#fff;border:2px solid var(--ink);box-shadow:6px 6px 0 var(--blue);max-width:640px}
.bigsearch:focus-within{border-color:var(--blue)}
.bigsearch__ico{position:absolute;left:16px;color:var(--ink);display:flex}
.bigsearch input{flex:1;width:100%;height:60px;border:0;background:transparent;padding:0 48px 0 50px;font:inherit;font-size:17px;color:var(--ink);border-radius:0;-webkit-appearance:none;outline:none}
.bigsearch input::placeholder{color:var(--grey-2)}
.bigsearch__kbd{position:absolute;right:14px;font:600 12px/1 var(--f);color:var(--grey);border:1px solid var(--line-2);padding:5px 7px;background:var(--wash);display:none}
.popular{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:20px 0 0;font-size:13px;color:var(--grey)}
.popular>span{margin-right:4px}
.popular__b{font:500 13px/1 var(--f);color:var(--ink-2);background:#fff;border:1px solid var(--line-2);padding:7px 10px;cursor:pointer;border-radius:0}
.popular__b:hover{border-color:var(--blue);color:var(--blue)}

.mock{background:#fff;border:1px solid var(--line-2);box-shadow:0 1px 0 var(--line),0 18px 40px -18px rgba(20,40,90,.28);position:relative}
.mock__bar{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);font-size:12px;color:var(--grey);font-weight:500;background:var(--wash)}
.mock__bar>span{display:inline-flex;align-items:center;gap:6px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mock__live i{width:7px;height:7px;background:var(--blue);display:inline-block;animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(21,84,209,.45)}50%{box-shadow:0 0 0 5px rgba(21,84,209,0)}}
@media (prefers-reduced-motion:reduce){.mock__live i{animation:none}}
.mock__q,.mock__a{display:flex;gap:12px;padding:16px 16px 0}
.mock__title{margin:3px 0 0;font-weight:700;font-size:17px;line-height:1.35;letter-spacing:-.01em}
.mock__title a{color:var(--ink)}
.mock__a{padding-top:14px}
.mock__a>div{border-left:3px solid var(--blue);padding:2px 0 2px 12px;background:linear-gradient(90deg,var(--blue-50),transparent 80%)}
.mock__label{display:flex;align-items:center;gap:5px;margin:0 0 4px;font-size:12px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.06em}
.mock__text{margin:0;font-size:14px;line-height:1.55;color:var(--ink-2)}
.mock__steps{list-style:none;margin:14px 16px 0 58px;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.mock__steps li{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;color:var(--blue);border:1px solid var(--blue-200);padding:3px 7px;background:#fff}
.mock__replies{margin:12px 16px 0 58px;border-top:1px dashed var(--line-2);padding-top:6px}
.reply{position:relative;display:flex;gap:7px;align-items:flex-start;margin:6px 0;font-size:13px;color:var(--grey);line-height:1.4}
.reply .ico{color:var(--grey-2);margin-top:2px}
.reply__line{display:none}
.mock__open{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding:12px 16px;border-top:1px solid var(--line);font-size:14px;font-weight:600}

/* ---------- Layout with rail ---------- */
.layout{display:grid;gap:28px}
.layout__main{min-width:0}
.layout__rail{display:grid;gap:16px;align-content:start}

.panel-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 16px;padding-bottom:12px;border-bottom:2px solid var(--ink)}
.panel-head h2{margin:0;font-size:22px;font-weight:800}
.panel-head__meta{margin:0;font-size:13px;color:var(--grey)}
.panel-head__meta b{color:var(--ink);font-variant-numeric:tabular-nums}
.panel-head--flat{border-bottom-width:1px;border-color:var(--line-2)}

/* tabs (CSS only) */
.tabs{display:flex;flex-wrap:wrap}
.tabs>input{position:absolute;opacity:0;pointer-events:none}
.tabs>label{font-size:14px;font-weight:600;color:var(--grey);padding:12px 2px 10px;margin-right:22px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs>label:hover{color:var(--ink)}
.tabs>input:checked+label{color:var(--blue);border-bottom-color:var(--blue)}
.tabs>input:focus-visible+label{outline:2px solid var(--blue)}
.tabs__p{display:none;width:100%;border-top:1px solid var(--line)}
#t1:checked~.tabs__p--1,#t2:checked~.tabs__p--2,#t3:checked~.tabs__p--3{display:block}

/* thread rows */
.threads{list-style:none;margin:0;padding:0}
.thread{display:grid;gap:10px;padding:18px 0;border-bottom:1px solid var(--line)}
.thread__stats{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;order:2}
.thread__main{min-width:0;order:1}
.thread__title{margin:0 0 6px;font-size:17px;line-height:1.35;font-weight:700;letter-spacing:-.012em}
.thread__title a{color:var(--ink)}
.thread__title a:hover{color:var(--blue)}
.thread__excerpt{margin:0 0 10px;font-size:14.5px;line-height:1.55;color:var(--grey);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.thread__foot{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px}
.thread__when{font-size:12.5px;color:var(--grey-2);margin-left:auto}
.thread:hover .thread__title a{color:var(--blue)}
.results__meta{margin:14px 0 0;font-size:14px;color:var(--grey);font-weight:500}
.results__none,.empty{padding:24px 0;color:var(--grey);margin:0}

/* rail cards */
.card{border:1px solid var(--line-2);background:#fff;padding:18px}
.card__h{margin:0 0 12px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-2)}
.card__p{margin:0 0 10px;font-size:14px;color:var(--grey);line-height:1.6}
.card__link{font-size:14px;font-weight:600}
.card--format{background:var(--blue-50);border-color:var(--blue-100)}
.format{list-style:none;margin:0;padding:0;counter-reset:f}
.format li{display:flex;gap:12px;padding:10px 0;border-top:1px solid var(--blue-100)}
.format li:first-child{border-top:0;padding-top:0}
.format__n{flex:none;width:24px;height:24px;display:grid;place-items:center;background:var(--blue);color:#fff;font-size:12px;font-weight:700}
.format b{display:block;font-size:14px;color:var(--ink)}
.format span:not(.format__n){display:block;font-size:13px;color:var(--grey);line-height:1.5}
.mini{list-style:none;margin:0;padding:0}
.mini li{border-top:1px solid var(--line)}
.mini li:first-child{border-top:0}
.mini a{display:block;padding:9px 0;font-size:14px;line-height:1.4;font-weight:500;color:var(--ink-2)}
.mini a:hover{color:var(--blue);text-decoration:none}
.mini--boards a,.mini--linked a{display:flex;gap:10px;align-items:flex-start}
.mini--boards .ico{color:var(--blue);margin-top:2px}
.mini--boards span{flex:1}
.mini em,.mini--linked em{font-style:normal;font-size:12px;color:var(--grey-2);font-variant-numeric:tabular-nums;flex:none}
.mini--linked em{width:30px;padding-top:1px}

/* board grid (home) */
.boards-grid{margin-top:44px}
.bgrid{display:grid;gap:0;border-left:1px solid var(--line);border-top:1px solid var(--line);margin-top:20px}
.bcard{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px;display:flex;flex-direction:column;background:#fff;transition:background .15s}
.bcard:hover{background:var(--wash)}
.bcard__head{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}
.bcard__ico{width:42px;height:42px;display:grid;place-items:center;color:var(--blue);background:var(--blue-50);border:1px solid var(--blue-100);flex:none}
.bcard__head>div{flex:1;min-width:0}
.bcard__name{margin:0;font-size:16.5px;font-weight:700;line-height:1.3}
.bcard__name a{color:var(--ink)}
.bcard__short{margin:2px 0 0;font-size:13px;color:var(--grey)}
.bcard__n{text-align:right;font-size:11px;color:var(--grey-2);text-transform:uppercase;letter-spacing:.06em;line-height:1.2}
.bcard__n b{display:block;font-size:22px;color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.bcard__list{list-style:none;margin:0 0 14px;padding:0;flex:1}
.bcard__list li{position:relative;padding:6px 0 6px 16px;font-size:14px;line-height:1.4}
.bcard__list li::before{content:"";position:absolute;left:0;top:13px;width:6px;height:6px;border:1.5px solid var(--blue)}
.bcard__list a{color:var(--ink-2)}
.bcard__list a:hover{color:var(--blue)}
.bcard__empty{margin:0 0 14px;font-size:14px;color:var(--grey);flex:1}
.bcard__all{font-size:13.5px;font-weight:600}

/* ---------- Category header ---------- */
.cathead{display:grid;grid-template-columns:auto 1fr;gap:16px 20px;align-items:start;padding-bottom:26px;margin-bottom:26px;border-bottom:1px solid var(--line)}
.cathead__art{position:relative;width:76px;height:76px;background:var(--blue-50);border:1px solid var(--blue-100);overflow:hidden}
.cathead__fallback{position:absolute;inset:0;display:grid;place-items:center;color:var(--blue)}
.cathead__fallback .ico{width:40px;height:40px}
.cathead__art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cathead h1{font-size:clamp(28px,6.5vw,42px);line-height:1.08;letter-spacing:-.03em;font-weight:800;margin:0 0 10px}
.cathead__copy{grid-column:1/-1}
.cathead__copy .eyebrow{margin-bottom:8px}
.cathead__desc{margin:0 0 14px;font-size:17px;color:var(--grey);max-width:60ch}
.cathead__stats{display:flex;flex-wrap:wrap;gap:6px 18px;margin:0;font-size:13px;color:var(--grey)}
.cathead__stats span{display:inline-flex;gap:5px;align-items:center}
.cathead__stats span+span::before{content:"";width:4px;height:4px;background:var(--line-2);margin-right:12px}
.cathead__stats b{color:var(--ink)}
.filter{position:relative;display:flex;align-items:center;width:100%}
.filter .ico{position:absolute;left:10px;color:var(--grey-2)}
.filter input{height:36px;width:100%;border:1px solid var(--line-2);padding:0 10px 0 32px;font:inherit;font-size:14px;border-radius:0;-webkit-appearance:none;background:#fff}
.filter input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-100)}

/* ---------- Article (thread) ---------- */
.post{display:grid;grid-template-columns:40px 1fr;gap:0 14px}
.post__body{min-width:0}
.post--q{padding-bottom:20px}
.post__kicker{margin:4px 0 8px;font-size:13px;color:var(--grey);font-weight:500}
.post__kicker a{display:inline-flex;align-items:center;gap:5px;font-weight:600}
.tpost h1,.p-about h1{font-size:clamp(26px,6vw,40px);line-height:1.12;letter-spacing:-.03em;font-weight:800;margin:0 0 14px}
.post__meta{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;margin:0;font-size:13px;color:var(--grey)}
.post__meta>span{display:inline-flex;align-items:center;gap:5px}
.post__gutter{display:flex;flex-direction:column;align-items:center}
.accepted{border:1px solid var(--blue-200);border-left:4px solid var(--blue);background:var(--blue-50);padding:16px 18px 18px}
.accepted__label{display:flex;align-items:center;gap:6px;margin:0 0 8px;font-size:12.5px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.07em}
.accepted__label span{margin-left:auto;font-size:11px;color:var(--blue);border:1px solid var(--blue-200);padding:1px 6px;background:#fff;letter-spacing:.04em}
.accepted__text{margin:0;font-size:17.5px;line-height:1.6;color:var(--ink);font-weight:500;letter-spacing:-.005em}
.jump{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 0}
.jump a{font-size:13px;font-weight:600;color:var(--ink-2);border:1px solid var(--line-2);padding:6px 10px}
.jump a:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}
.post--full{margin-top:26px}
.rail{flex:1;width:2px;background:linear-gradient(var(--blue-200),var(--line) 60%,transparent);margin-top:4px}
.section-label{display:flex;align-items:baseline;gap:10px;margin:0 0 6px;font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--grey)}
.section-label span{font-weight:500;text-transform:none;letter-spacing:0;color:var(--grey-2)}
.notice{display:flex;gap:10px;align-items:flex-start;margin:28px 0 0;padding:14px 16px;border:1px dashed var(--line-2);font-size:13.5px;color:var(--grey);line-height:1.55}
.notice .ico{color:var(--blue);margin-top:2px}

/* prose: writer's semantic HTML */
.prose{font-size:17px;line-height:1.72;color:var(--ink-2);max-width:70ch}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.05em}
.prose>p:first-of-type{color:var(--ink)}
.prose h2{font-size:22px;line-height:1.3;font-weight:800;margin:2em 0 .6em;padding-top:1em;border-top:1px solid var(--line);position:relative}
.prose h2::before{content:"";position:absolute;top:-1px;left:0;width:40px;height:3px;background:var(--blue)}
.prose h3{font-size:18px;line-height:1.35;font-weight:700;margin:1.6em 0 .5em}
.prose a{text-decoration:underline;text-decoration-color:var(--blue-200);text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--blue)}
.prose ul,.prose ol{margin:0 0 1.2em;padding:0}
.prose ul{list-style:none}
.prose ul>li{position:relative;padding-left:24px;margin:.45em 0}
.prose ul>li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;background:var(--blue)}
.prose ol{list-style:none;counter-reset:o}
.prose ol>li{counter-increment:o;position:relative;padding-left:36px;margin:.6em 0}
.prose ol>li::before{content:counter(o);position:absolute;left:0;top:.2em;width:24px;height:24px;display:grid;place-items:center;font-size:12.5px;font-weight:700;color:var(--blue);border:1.5px solid var(--blue);line-height:1}
.prose blockquote{margin:1.5em 0;padding:14px 18px;border-left:4px solid var(--ink);background:var(--wash);color:var(--ink);font-size:16px}
.prose blockquote p:last-child{margin:0}
.prose strong{color:var(--ink)}
.prose code{font-size:.9em;background:var(--wash);padding:1px 5px;border:1px solid var(--line)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;line-height:1.5;margin:1.4em 0 1.8em;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line-2)}
.prose thead th{background:var(--ink);color:#fff;font-weight:600;text-align:left;font-size:13px;letter-spacing:.01em}
.prose th,.prose td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top;min-width:140px}
.prose tbody tr:nth-child(even) td{background:var(--wash)}
.prose tbody tr:hover td{background:var(--blue-50)}
.prose td:first-child{font-weight:600;color:var(--ink)}
.prose caption{caption-side:bottom;text-align:left;font-size:13px;color:var(--grey);padding-top:8px}

/* follow-ups */
.section-h{display:flex;align-items:center;gap:10px;margin:0 0 4px;font-size:21px;font-weight:800;padding-bottom:12px;border-bottom:2px solid var(--ink)}
.section-h span{font-size:12px;font-weight:600;color:var(--grey);border:1px solid var(--line-2);padding:2px 7px;letter-spacing:0}
.followups,.linked,.morebo{margin-top:48px}
.fu{list-style:none;margin:0;padding:0}
.fu__item{display:grid;grid-template-columns:40px 1fr;gap:14px;padding:20px 0;border-bottom:1px solid var(--line);position:relative}
.fu__gutter{display:flex;justify-content:center;position:relative}
.fu__gutter::after{content:"";position:absolute;top:36px;bottom:-20px;width:1px;background:var(--line-2)}
.fu__item:last-child .fu__gutter::after{display:none}
.fu__n{width:30px;height:30px;display:grid;place-items:center;border:1px solid var(--line-2);font-size:13px;font-weight:700;color:var(--grey);background:#fff;position:relative;z-index:1}
.fu__q{margin:3px 0 8px;font-size:17px;line-height:1.4;font-weight:700}
.fu__a{margin:0;font-size:15.5px;line-height:1.65;color:var(--ink-2)}
.fu__tag{display:inline-flex;align-items:center;gap:4px;margin-right:8px;font-size:11px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.07em;vertical-align:1px}
.threads--compact .thread{padding:14px 0}
.threads--compact .thread__excerpt{-webkit-line-clamp:1}
.morebo__grid{display:grid;grid-template-columns:1fr;gap:8px;margin-top:16px}
.morebo__b{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--line-2);color:var(--ink-2);font-size:14px;font-weight:600;background:#fff}
.morebo__b .ico{color:var(--blue)}
.morebo__b span{flex:1}
.morebo__b em{font-style:normal;font-size:12px;color:var(--grey-2);font-weight:500}
.morebo__b:hover,.morebo__b.is-on{border-color:var(--blue);color:var(--blue);text-decoration:none;background:var(--blue-50)}
.facts{margin:0}
.facts div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px solid var(--line);font-size:13.5px}
.facts div:first-child{border-top:0;padding-top:0}
.facts dt{color:var(--grey)}
.facts dd{margin:0;text-align:right;color:var(--ink-2);font-weight:500}

/* about */
.about-art{position:relative;margin:24px 0;aspect-ratio:3/2;background:var(--blue-50);border:1px solid var(--blue-100);overflow:hidden}
.about-art__fb{position:absolute;inset:12% 10%}
.about-art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.p-about .prose{margin-top:8px}

/* 404 */
.nf{max-width:720px;padding:32px 0 20px}
.nf__code{font-size:13px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.08em;margin:0 0 12px}
.nf h1{font-size:clamp(28px,6vw,44px);line-height:1.1;letter-spacing:-.03em;font-weight:800;margin:0 0 12px}
.nf__p{color:var(--grey);font-size:17px;margin:0 0 22px}
.nf .morebo__grid{margin-top:36px}

/* ---------- Footer ---------- */
.foot{border-top:1px solid var(--line);background:var(--wash);margin-top:24px}
.foot__in{max-width:1400px;margin:0 auto;padding:40px 16px 24px;display:grid;gap:28px}
.foot__brand p{margin:12px 0 0;font-size:14px;color:var(--grey);max-width:40ch}
.foot__small{font-size:12.5px!important;color:var(--grey-2)!important}
.foot__h{margin:0 0 10px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2)}
.foot__col ul{list-style:none;margin:0;padding:0}
.foot__col li{margin:6px 0}
.foot__col a{font-size:14px;color:var(--ink-2)}
.foot__col a:hover{color:var(--blue)}
.foot__base{max-width:1400px;margin:0 auto;padding:16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:12.5px;color:var(--grey-2)}
.foot__col:nth-child(3) .foot__h{display:none}

/* ============ ≥640 ============ */
@media (min-width:640px){
  .thread{grid-template-columns:118px 1fr;gap:20px}
  .thread__stats{order:0;flex-direction:column;align-items:flex-end;gap:8px;padding-top:2px}
  .thread__main{order:1}
  .threads--compact .thread{grid-template-columns:1fr}
  .threads--compact .thread__stats{display:none}
  .bgrid{grid-template-columns:1fr 1fr}
  .morebo__grid{grid-template-columns:1fr 1fr}
  .filter{width:auto}
  .filter input{width:240px}
  .bigsearch__kbd{display:block}
  .foot__in{grid-template-columns:1.6fr 1fr 1fr 1fr}
  .foot__col:nth-child(3) .foot__h{display:block;visibility:hidden}
  .cathead{grid-template-columns:120px 1fr;gap:28px}
  .cathead__art{width:120px;height:120px}
  .cathead__copy{grid-column:auto}
  .cathead__fallback .ico{width:56px;height:56px}
  .post{grid-template-columns:48px 1fr;gap:0 20px}
  .fu__item{grid-template-columns:48px 1fr;gap:20px}
}

/* ============ ≥1024 ============ */
@media (min-width:1024px){
  .topsearch{display:flex}
  .top__nav a:first-child{display:block}
  .top__in{padding:0 28px;gap:28px}
  .chips{display:none}
  .shell{display:grid;grid-template-columns:var(--side) minmax(0,1fr)}
  .side{display:block;border-right:1px solid var(--line)}
  .side__sticky{position:sticky;top:calc(var(--topbar) + 3px);padding:24px 16px 24px 28px;max-height:calc(100vh - var(--topbar));overflow:auto}
  .side__label{margin:0 0 8px 10px;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--grey-2)}
  .boards{list-style:none;margin:0;padding:0}
  .board{display:flex;align-items:center;gap:10px;padding:8px 10px;color:var(--ink-2);font-size:14px;font-weight:500;border-left:3px solid transparent;margin-left:-3px}
  .board__ico{color:var(--grey-2);display:flex}
  .board__name{flex:1;line-height:1.3}
  .board__n{font-size:12px;color:var(--grey-2);font-variant-numeric:tabular-nums}
  .board:hover{background:var(--wash);text-decoration:none;color:var(--ink)}
  .board:hover .board__ico{color:var(--blue)}
  .board.is-on{background:var(--blue-50);border-left-color:var(--blue);color:var(--blue);font-weight:600}
  .board.is-on .board__ico,.board.is-on .board__n{color:var(--blue)}
  .side__note{margin:24px 0 0 10px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--grey);line-height:1.5}
  .side__note p{margin:0 0 8px}
  .side__note b{color:var(--ink)}
  .side__note a{font-weight:600}
  .main{padding:28px 32px 72px 40px}
  .hero{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center;padding:28px 0 48px;margin-bottom:36px}
  .hero::before{inset:-28px -32px 0 -40px}
  .hero__sub{font-size:18px}
  .mock{transform:rotate(.6deg)}
  .mock::after{content:"";position:absolute;inset:10px -10px -10px 10px;border:1px solid var(--blue-200);z-index:-1;background:#fff}
  .foot__in{padding:48px 28px 28px}
  .foot__base{padding:16px 28px}
}

/* ============ ≥1280: right rail ============ */
@media (min-width:1280px){
  .layout{grid-template-columns:minmax(0,1fr) var(--rail);gap:44px}
  .rail-sticky{position:sticky;top:calc(var(--topbar) + 24px);display:grid;gap:16px}
  .bgrid{grid-template-columns:repeat(4,1fr)}
  .bgrid .bcard__head{flex-wrap:wrap}
  .bgrid .bcard__n{margin-left:auto;text-align:right}
  .bgrid .bcard__head>div{flex-basis:100%;order:3}
  .hero h1{font-size:56px}
}

/* answer-count box (forum signature) */
.count{position:relative;display:inline-flex;align-items:baseline;gap:5px;padding:4px 8px;border:1.5px solid var(--blue);color:var(--blue);background:#fff;font-size:12px;font-weight:600;line-height:1.2}
.count b{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums}
.count .ico{position:absolute;top:-7px;right:-7px;width:15px;height:15px;padding:2px;background:var(--blue);color:#fff;stroke-width:3}
.thread__when{margin-left:0}
.thread__foot .tag+.thread__when::before{content:"·";margin-right:8px;color:var(--line-2)}
@media (min-width:640px){
  .thread{grid-template-columns:84px 1fr}
  .count{flex-direction:column;align-items:center;gap:0;width:72px;padding:8px 4px 6px}
  .count b{font-size:21px;line-height:1.1}
  .count span{font-size:11px;font-weight:600;letter-spacing:.02em}
  .thread__stats{align-items:center}
}
@media (min-width:1024px){.mock{transform:none}}
.top__nav a{white-space:nowrap}
@media (max-width:639px){.top__nav a{font-size:13px;padding:8px 6px}.bigsearch input{font-size:15px;height:56px}.brand__word{font-size:16px}}
@media (max-width:639px){
  .post--a,.post--full{grid-template-columns:1fr}
  .post--a .post__gutter,.post--full .post__gutter{display:none}
  .post--q{grid-template-columns:34px 1fr;gap:0 12px}
  .post--q .qa--lg{width:34px;height:34px;font-size:16px}
  .accepted{padding:14px 14px 16px}
  .accepted__label::before{content:"A";display:inline-grid;place-items:center;width:20px;height:20px;background:var(--blue);color:#fff;font-size:11px;margin-right:2px;letter-spacing:0}
  .accepted__text{font-size:16.5px}
  .prose{font-size:16.5px}
  .fu__item{grid-template-columns:30px 1fr;gap:12px}
  .fu__n{width:26px;height:26px}
}
@media (max-width:639px){.cathead__stats{flex-direction:column;gap:2px}.cathead__stats span+span::before{display:none}}