/* ReplyAce Help Centre — built on the ReplyAce website design system v3.1
   Layout concept: calm grey-blue page, white hairline cards, one blue accent;
   search-first home → category index with sidebar → article with sticky "On this page". */
:root{
  --blue:#2F62F0; --deep:#1D3FB8; --tint:#EEF3FF; --tint-line:#DCE6FE; --light:#9DB6FF;
  --ink:#0F1B3D; --muted:#5B6683; --soft:#8A94AE; --line:#E6EAF2; --line-hover:#C9D6FA;
  --bg:#F6F8FC; --panel:#F1F4FB; --white:#FFFFFF; --field:#F9FBFE;
  --green:#16A34A; --greenbg:#EFFBF3; --greenline:#CDEFD9; --greentext:#14532D;
  --amberbg:#FFF8EB; --amberline:#F6E2B8; --ambertext:#7A4B05;
  --wordmark-fade:#DCE3F0;
  --sans:'Plus Jakarta Sans', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --mono:'DM Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --shadow-card:0 1px 2px rgba(15,27,61,.04), 0 12px 32px -24px rgba(15,27,61,.25);
  --shadow-btn:0 10px 24px -12px rgba(47,98,240,.7);
  --gutter:32px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:40;background:var(--white)}
a{color:var(--blue)} a:hover{color:var(--deep)}
img{max-width:100%}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}
.mono{font-family:var(--mono);font-weight:500}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(var(--gutter), env(safe-area-inset-left,0px));padding-right:max(var(--gutter), env(safe-area-inset-right,0px))}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.preview-ribbon{background:var(--ink);color:var(--light);font:500 12px/1 var(--mono);letter-spacing:.08em;text-align:center;padding:8px 16px}
.preview-ribbon b{color:var(--white);font-weight:500}

/* ───────── Header ───────── */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:var(--white);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.brand svg{width:32px;height:32px;flex:none}
.brand .wm{font-weight:800;letter-spacing:-.04em;font-size:21px;color:var(--blue)}
.brand .hc{font:500 11.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--soft);border-left:1px solid var(--line);padding-left:10px}
.top .mtp{font-size:12px;font-weight:600;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:4px 8px;white-space:nowrap}
.top-search{flex:1;max-width:380px;margin-left:auto;position:relative}
.top-search input{width:100%;min-height:42px;border:1px solid var(--line);background:var(--field);border-radius:11px;padding:0 64px 0 40px;font:500 14.5px var(--sans);color:var(--ink)}
.top-search input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(47,98,240,.12);background:var(--white)}
.top-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--soft)}
.kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);font:500 11px var(--mono);color:var(--soft);border:1px solid var(--line);background:var(--white);border-radius:6px;padding:2px 6px}
.toplinks{display:flex;align-items:center;gap:22px}
.toplinks a{color:var(--ink);text-decoration:none;font-weight:500;font-size:14.5px;white-space:nowrap}
.toplinks a:hover{color:var(--blue)}
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;font-weight:500;font-size:14.5px;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:7px 10px;background:var(--white)}
.lang summary::-webkit-details-marker{display:none}
.lang[open] summary{border-color:var(--line-hover)}
.lang ul{position:absolute;right:0;top:calc(100% + 6px);list-style:none;margin:0;padding:6px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-card);min-width:190px;z-index:35}
.lang li a{display:flex;justify-content:space-between;gap:12px;padding:8px 10px;border-radius:9px;text-decoration:none;color:var(--ink);font-size:14.5px}
.lang li a:hover{background:var(--tint)}
.lang li a[aria-current]{color:var(--blue);font-weight:600}
.lang li small{font:500 11px var(--mono);color:var(--soft)}
.lang .soon{opacity:.55;pointer-events:none}

/* ───────── Buttons, pills, eyebrows ───────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 22px;border-radius:12px;font:600 15.5px var(--sans);text-decoration:none;border:0;cursor:pointer;transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn:hover{transform:translateY(-1px)}
.btn-p{background:var(--blue);color:var(--white);box-shadow:var(--shadow-btn)} .btn-p:hover{background:var(--deep);color:var(--white)}
.btn-l{background:var(--white);color:var(--ink);border:1px solid var(--line)} .btn-l:hover{color:var(--blue);border-color:var(--line-hover)}
.btn-s{min-height:42px;padding:0 16px;font-size:14.5px}
.eyebrow{display:inline-flex;align-self:flex-start;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);background:var(--tint);border:1px solid var(--tint-line);border-radius:999px;padding:6px 12px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:#22C55E;display:block}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--deep);background:var(--tint);border-radius:999px;padding:5px 11px;text-decoration:none}
a.pill:hover{background:var(--tint-line);color:var(--deep)}
.kick{font:500 11.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--soft)}
.chipv{display:inline-flex;align-items:center;gap:5px;font:500 12px var(--mono);color:var(--muted);background:var(--panel);border-radius:999px;padding:3px 9px;white-space:nowrap}
.chipv svg{color:var(--blue)}
.chipt{display:inline-flex;font-size:12px;font-weight:600;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 9px;white-space:nowrap}
.chipp{display:inline-flex;font-size:12px;font-weight:600;color:var(--ambertext);background:var(--amberbg);border:1px solid var(--amberline);border-radius:999px;padding:2px 9px;white-space:nowrap}
.card{background:var(--white);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-card)}
.h1{font-weight:700;letter-spacing:-.035em;line-height:1.06;margin:0;text-wrap:balance}
.h2{font-weight:700;letter-spacing:-.03em;line-height:1.12;margin:0;text-wrap:balance}
.h3{font-weight:700;letter-spacing:-.02em;line-height:1.25;margin:0;text-wrap:balance}
.blue{color:var(--blue)}
.lede{color:var(--muted);line-height:1.65;margin:0}
.ico{width:40px;height:40px;border-radius:11px;background:var(--tint);color:var(--blue);display:flex;align-items:center;justify-content:center;flex:none}
.ico svg{width:20px;height:20px}
svg.i{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ───────── Home ───────── */
.hero{position:relative;overflow:hidden;padding-block:64px 56px}
.hero::before{content:"";position:absolute;width:860px;height:860px;right:-300px;top:-460px;background:radial-gradient(circle,rgba(47,98,240,.12),rgba(47,98,240,0) 62%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:18px}
.hero .h1{font-size:52px}
.bigsearch{position:relative;margin-top:6px}
.bigsearch input{width:100%;min-height:62px;border:1px solid var(--line);background:var(--white);border-radius:16px;padding:0 70px 0 54px;font:500 17px var(--sans);color:var(--ink);box-shadow:var(--shadow-card)}
.bigsearch input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 5px rgba(47,98,240,.12)}
.bigsearch>svg{position:absolute;left:20px;top:21px;color:var(--blue)}
.bigsearch .kbd{right:16px}
.results{position:absolute;left:0;right:0;top:calc(100% + 8px);z-index:25;background:var(--white);border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 48px -24px rgba(15,27,61,.35);padding:6px;max-height:380px;overflow:auto}
.results a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:11px;text-decoration:none;color:var(--ink)}
.results a:hover,.results a.on{background:var(--tint)}
.results .rt{flex:1;min-width:0}
.results b{display:block;font-weight:600;font-size:15px}
.results small{display:block;font-size:12.5px;color:var(--soft)}
.results .empty{padding:14px 12px;font-size:14.5px;color:var(--muted)}
.popular{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.popular .kick{margin-right:4px}
.quick{padding:26px;display:flex;flex-direction:column;gap:16px}
.quick ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0}
.quick li a{display:flex;align-items:center;gap:14px;padding:13px 0;border-top:1px solid var(--line);text-decoration:none;color:var(--ink)}
.quick li:first-child a{border-top:0}
.quick li a:hover b{color:var(--blue)}
.stepn{width:34px;height:34px;border-radius:50%;border:1.5px solid var(--line-hover);color:var(--blue);display:flex;align-items:center;justify-content:center;font:500 13px var(--mono);flex:none;background:var(--white)}
.quick .qt{flex:1;min-width:0}
.quick b{display:block;font-weight:600;font-size:15px;transition:color .2s ease}
.quick small{display:block;font-size:13px;color:var(--muted)}
section.band{padding-block:24px 72px}
.sechead{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.sechead .h2{font-size:32px}
.cats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.cat{display:flex;flex-direction:column;gap:12px;padding:22px;text-decoration:none;color:var(--ink);transition:border-color .2s ease,transform .2s ease}
.cat:hover{border-color:var(--line-hover);transform:translateY(-2px);color:var(--ink)}
.cat .row1{display:flex;align-items:center;justify-content:space-between}
.cat .h3{font-size:18px}
.cat p{margin:0;font-size:14px;color:var(--muted);line-height:1.5}
.cat .meta{margin-top:auto;display:flex;align-items:center;gap:10px;padding-top:6px}
.two{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:18px;align-items:start}
.list{padding:8px 0}
.list a{display:flex;align-items:center;gap:14px;padding:15px 24px;text-decoration:none;color:var(--ink);border-top:1px solid var(--line)}
.list a:first-child{border-top:0}
.list a:hover .lt b{color:var(--blue)}
.list .lt{flex:1;min-width:0}
.list .lt b{display:block;font-weight:600;font-size:15.5px;transition:color .2s ease}
.list .lt small{display:block;font-size:13px;color:var(--soft);margin-top:2px}
.list .chev{color:var(--soft);flex:none}
.vidcard{padding:24px;display:flex;flex-direction:column;gap:14px}
.vidthumb{position:relative;border-radius:16px;aspect-ratio:16/9;max-width:100%;background:var(--panel);background-image:radial-gradient(rgba(47,98,240,.09) 1.4px,transparent 1.4px);background-size:22px 22px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--line)}
.playb{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:var(--white);font-size:13.5px;font-weight:600;border-radius:999px;padding:9px 16px 9px 10px;box-shadow:0 12px 24px -10px rgba(15,27,61,.6);transition:background .2s ease;border:0;font-family:inherit;cursor:pointer;text-decoration:none}
.playb span.pi{width:24px;height:24px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center}
.playb:hover{background:var(--blue);color:var(--white)}
.help{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;padding:32px 36px}
.help .h2{font-size:28px}
.help .acts{display:flex;gap:10px;flex-wrap:wrap}

/* ───────── Breadcrumbs ───────── */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;color:var(--soft);list-style:none;margin:0;padding:0}
.crumbs a{color:var(--muted);text-decoration:none} .crumbs a:hover{color:var(--blue)}
.crumbs li{display:flex;align-items:center;gap:6px}
.crumbs li+li::before{content:"";width:6px;height:6px;border-right:1.5px solid var(--soft);border-top:1.5px solid var(--soft);transform:rotate(45deg);margin-right:4px}
.crumbs [aria-current]{color:var(--ink);font-weight:500}

/* ───────── Category ───────── */
.pagehead{padding-block:36px 28px;display:flex;flex-direction:column;gap:18px}
.cathead{display:flex;gap:18px;align-items:flex-start}
.cathead .ico{width:56px;height:56px;border-radius:15px}
.cathead .ico svg{width:26px;height:26px}
.cathead .h1{font-size:40px}
.cathead .lede{font-size:17px;max-width:62ch;margin-top:8px}
.cathead .kick{margin-top:12px;display:block}
.catlayout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px;align-items:start;padding-bottom:72px}
.side{position:sticky;top:calc(env(safe-area-inset-top,0px) + 92px);display:flex;flex-direction:column;gap:2px}
.side .kick{padding:0 12px 8px}
.side a{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:10px;text-decoration:none;color:var(--muted);font-size:14.5px;font-weight:500}
.side a:hover{background:var(--white);color:var(--ink)}
.side a[aria-current]{background:var(--white);color:var(--blue);font-weight:600;box-shadow:inset 0 0 0 1px var(--line)}
.side a span{margin-left:auto;font:500 11.5px var(--mono);color:var(--soft)}
.sections{display:flex;flex-direction:column;gap:18px}
.section{overflow:hidden}
.section header{padding:22px 24px 14px;display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-bottom:1px solid var(--line)}
.section header .h3{font-size:19px}
.arows{display:flex;flex-direction:column}
.arow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px 24px;text-decoration:none;color:var(--ink);border-top:1px solid var(--line)}
.arow:first-child{border-top:0}
.arow:hover{background:var(--field)}
.arow:hover b{color:var(--blue)}
.arow b{display:block;font-weight:600;font-size:15.5px;transition:color .2s ease}
.arow p{margin:3px 0 0;font-size:13.5px;color:var(--muted);line-height:1.5}
.arow .tags{display:flex;gap:6px;align-items:center;justify-content:flex-end;flex-wrap:wrap}

/* ───────── Article ───────── */
.artlayout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start;padding-bottom:72px}
.article{min-width:0;display:flex;flex-direction:column;gap:28px}
.arthead{display:flex;flex-direction:column;gap:14px}
.arthead .h1{font-size:44px}
.arthead .lede{font-size:18px;max-width:62ch}
.artmeta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13.5px;color:var(--soft)}
.artmeta .dot{width:3px;height:3px;border-radius:50%;background:var(--soft)}
.artmeta button{font:600 13.5px var(--sans);color:var(--muted);background:var(--white);border:1px solid var(--line);border-radius:9px;padding:5px 10px;cursor:pointer;display:inline-flex;gap:6px;align-items:center}
.artmeta button:hover{color:var(--blue);border-color:var(--line-hover)}
.answer{padding:20px 22px;border-radius:16px;background:var(--tint);border:1px solid var(--tint-line);display:flex;flex-direction:column;gap:6px}
.answer p{margin:0;font-size:16px;line-height:1.6;color:var(--ink)}
.answer .kick{color:var(--deep)}
.video{overflow:hidden}
.vframe{position:relative;aspect-ratio:16/9;max-width:100%;background:var(--panel);background-image:radial-gradient(rgba(47,98,240,.09) 1.4px,transparent 1.4px);background-size:22px 22px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;border-bottom:1px solid var(--line)}
.vframe .ph-note{font:500 12px var(--mono);color:var(--soft);letter-spacing:.06em}
.chapters{list-style:none;margin:0;padding:14px 16px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 16px}
.chapters a{display:flex;gap:12px;align-items:baseline;padding:7px 8px;border-radius:9px;text-decoration:none;color:var(--ink);font-size:14.5px}
.chapters a:hover{background:var(--tint)}
.chapters time{font:500 12.5px var(--mono);color:var(--blue);min-width:38px}
.prose{font-size:16.5px;line-height:1.7;color:var(--ink);max-width:68ch}
.prose h2{font-size:26px;font-weight:700;letter-spacing:-.025em;line-height:1.2;margin:0 0 10px}
.prose p{margin:0 0 12px;color:var(--muted)}
.prose b{color:var(--ink);font-weight:600}
.prose ul{margin:0;padding-left:20px;color:var(--muted)}
.prose li{margin:4px 0}
.prose li::marker{color:var(--blue)}
.req{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:4px}
.req div{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--white);font-size:14.5px;color:var(--ink);line-height:1.45}
.req svg{color:var(--green);flex:none;margin-top:2px}
.steps{display:flex;flex-direction:column;gap:18px;counter-reset:s}
.step{padding:24px;display:flex;flex-direction:column;gap:14px}
.step header{display:flex;align-items:center;gap:14px}
.step header .h3{font-size:19px;flex:1;min-width:0}
.step .ts{font:500 12.5px var(--mono);color:var(--blue);text-decoration:none;background:var(--tint);border-radius:999px;padding:4px 10px;white-space:nowrap}
.step .ts:hover{background:var(--tint-line)}
.shot{position:relative;border-radius:14px;aspect-ratio:16/9;max-width:100%;border:1px solid var(--line);background:var(--panel);background-image:radial-gradient(rgba(47,98,240,.09) 1.4px,transparent 1.4px);background-size:22px 22px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.shot .mock{width:78%;height:72%;background:var(--white);border:1px solid var(--line);border-radius:12px;box-shadow:0 24px 40px -28px rgba(15,27,61,.4);display:grid;grid-template-columns:24% 1fr;overflow:hidden}
.shot .mock .sb{background:var(--field);border-right:1px solid var(--line);padding:12px 10px;display:flex;flex-direction:column;gap:7px}
.shot .mock .sb i{display:block;height:8px;border-radius:4px;background:var(--line)}
.shot .mock .sb i.on{background:var(--tint-line);outline:2px solid var(--blue);outline-offset:3px}
.shot .mock .mn{padding:14px;display:flex;flex-direction:column;gap:9px}
.shot .mock .mn i{display:block;height:9px;border-radius:5px;background:var(--panel)}
.shot .mock .mn i.w{width:55%;background:var(--line)}
.shot .mock .mn .tgl{margin-top:4px;display:flex;align-items:center;justify-content:space-between;border:1.5px solid var(--blue);border-radius:9px;padding:8px 10px}
.shot .mock .mn .tgl i{width:40%;margin:0}
.shot .mock .mn .tgl s{display:block;width:26px;height:15px;border-radius:99px;background:var(--blue);position:relative}
.shot .mock .mn .tgl s::after{content:"";position:absolute;right:2px;top:2px;width:11px;height:11px;border-radius:50%;background:var(--white)}
.shot figcaption{position:absolute;left:12px;bottom:10px;font:500 11px var(--mono);color:var(--soft);letter-spacing:.04em;background:rgba(255,255,255,.85);border-radius:6px;padding:2px 6px}
.step ul{margin:0;padding-left:20px;color:var(--muted);font-size:15.5px;line-height:1.65}
.step ul b{color:var(--ink);font-weight:600}
.step li::marker{color:var(--blue)}
.callout{display:flex;gap:12px;padding:16px 18px;border-radius:14px;background:var(--amberbg);border:1px solid var(--amberline);color:var(--ambertext);font-size:15px;line-height:1.55}
.callout svg{flex:none;margin-top:2px}
.callout b{font-weight:700}
.faqs{display:flex;flex-direction:column;gap:10px}
details.q{background:var(--white);border:1px solid var(--line);border-radius:16px}
details.q summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;font-size:15.5px;display:flex;align-items:center;gap:14px}
details.q summary::-webkit-details-marker{display:none}
.qn{font:500 12px var(--mono);color:var(--soft);border:1px solid var(--line);border-radius:8px;padding:3px 7px;flex:none}
.pm{margin-left:auto;transition:transform .2s ease;flex:none;color:var(--soft)}
details.q[open] summary .pm{transform:rotate(45deg)}
details.q p{margin:0;padding:0 20px 18px 66px;color:var(--muted);font-size:15px;line-height:1.6}
.feedback{padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.feedback b{font-weight:600;font-size:16px}
.fbbtns{display:flex;gap:8px}
.fbbtns button{display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:0 16px;border-radius:11px;border:1px solid var(--line);background:var(--white);font:600 14.5px var(--sans);color:var(--ink);cursor:pointer;transition:border-color .2s ease,background .2s ease}
.fbbtns button:hover{border-color:var(--line-hover)}
.fbbtns button[aria-pressed="true"]{background:var(--greenbg);border-color:var(--greenline);color:var(--greentext)}
.fbthanks{font-size:14.5px;color:var(--greentext)}
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.related a{padding:18px;display:flex;flex-direction:column;gap:8px;text-decoration:none;color:var(--ink);transition:border-color .2s ease,transform .2s ease}
.related a:hover{border-color:var(--line-hover);transform:translateY(-2px);color:var(--ink)}
.related b{font-weight:600;font-size:15px;line-height:1.4}
.related small{font-size:12.5px;color:var(--soft)}
.toc{position:sticky;top:calc(env(safe-area-inset-top,0px) + 92px);display:flex;flex-direction:column;gap:18px}
.toc nav{display:flex;flex-direction:column;border-left:2px solid var(--line)}
.toc nav a{padding:6px 0 6px 14px;margin-left:-2px;border-left:2px solid transparent;text-decoration:none;color:var(--muted);font-size:14px;line-height:1.4}
.toc nav a.sub{padding-left:26px;font-size:13.5px}
.toc nav a:hover{color:var(--ink)}
.toc nav a.on{color:var(--blue);border-left-color:var(--blue);font-weight:600}
.tocbox{padding:18px;display:flex;flex-direction:column;gap:10px}
.tocbox p{margin:0;font-size:13.5px;color:var(--muted)}
.mtoc{display:none}

/* ───────── Footer ───────── */
footer.foot{border-top:1px solid var(--line);background:var(--bg);overflow:hidden}
.foot .cols{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:28px;padding-block:48px 28px}
.foot p{margin:10px 0 0;color:var(--muted);font-size:14px;max-width:34ch}
.foot h4{margin:0 0 12px;font:500 11.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--soft)}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.foot ul a{color:var(--ink);text-decoration:none;font-size:14.5px}
.foot ul a:hover{color:var(--blue)}
.legal{font-size:12.5px;color:var(--soft);padding-bottom:18px}
.giant{font-weight:800;letter-spacing:-.06em;color:var(--wordmark-fade);font-size:220px;line-height:.78;margin-bottom:-34px;white-space:nowrap;user-select:none}

/* ───────── Responsive ───────── */
@media (max-width:1000px){
  .hero-grid,.two,.catlayout,.artlayout{grid-template-columns:minmax(0,1fr)}
  .cats,.related{grid-template-columns:repeat(2,minmax(0,1fr))}
  .toplinks .hide-md,.top .mtp{display:none}
  .side{position:static;flex-direction:row;flex-wrap:wrap;gap:6px}
  .side .kick{display:none}
  .side a{background:var(--white);border:1px solid var(--line);padding:6px 12px}
  .side a span{display:none}
  .toc{display:none}
  .mtoc{display:block}
  .foot .cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .giant{font-size:150px;margin-bottom:-24px}
}
@media (max-width:640px){
  :root{--gutter:18px}
  html{scroll-padding-top:132px}
  .top .wrap{flex-wrap:wrap;gap:10px;row-gap:10px;min-height:60px;padding-top:8px;padding-bottom:12px}
  .brand{order:1}
  .brand .hc{display:none}
  .toplinks{order:2;margin-left:auto;gap:12px}
  .top-search{display:block;order:3;flex:1 0 100%;max-width:none;margin:0}
  .top-search input,.bigsearch input{font-size:16px}
  .top-search input{min-height:44px}
  .kbd{display:none}
  .pill{min-height:40px;padding:8px 12px}
  .foot ul a{display:inline-flex;align-items:center;min-height:40px}
  .hero{padding-block:40px 36px}
  .hero .h1{font-size:36px}
  .cathead .h1{font-size:32px}
  .arthead .h1{font-size:32px}
  .cats,.related,.req,.chapters{grid-template-columns:minmax(0,1fr)}
  .help{grid-template-columns:minmax(0,1fr);padding:26px 22px}
  .arow{grid-template-columns:minmax(0,1fr)}
  .arow .tags{justify-content:flex-start}
  .step{padding:18px}
  details.q p{padding-left:20px}
  .foot .cols{grid-template-columns:minmax(0,1fr)}
  .giant{font-size:96px;margin-bottom:-14px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

/* ───────── Build additions (real content) ───────── */
.fig{margin:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel)}
.fig img{display:block;width:100%;height:auto}
.fig figcaption{padding:10px 14px;font-size:13.5px;color:var(--soft);background:var(--white);border-top:1px solid var(--line)}
.prose .fig{margin:14px 0}
.prose h3{font-size:20px;font-weight:700;letter-spacing:-.02em;margin:18px 0 8px}
.prose hr{border:0;border-top:1px solid var(--line);margin:22px 0}
.prose ol{margin:0 0 12px;padding-left:22px;color:var(--muted)}
.prose ol li::marker{color:var(--blue);font-family:var(--mono)}
.prose code,.step code,.answer code{font:500 .9em var(--mono);background:var(--panel);border-radius:5px;padding:1px 5px;color:var(--ink)}
pre.code{background:var(--ink);color:#E6EAF2;border-radius:14px;padding:16px 18px;overflow-x:auto;font:500 13.5px/1.6 var(--mono)}
pre.code code{background:none;color:inherit;padding:0}
.vframe .vthumb{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.vframe .playb{position:relative;z-index:1}
.vframe iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.chapters button{all:unset}
.trnote{margin:0;font-size:13px;color:var(--soft);display:flex;gap:6px;align-items:center}
.callout.tip{background:var(--tint);border-color:var(--tint-line);color:var(--deep)}
.callout.warning{background:#FFF3F3;border-color:#FBDADA;color:#7F1D1D}
.callout a{color:inherit;font-weight:600}
.mtoc summary{padding:14px 18px;cursor:pointer;list-style:none}
.mtoc summary::-webkit-details-marker{display:none}
.mtoc nav{padding:0 18px 14px;display:flex;flex-direction:column;gap:6px}
.mtoc nav a{color:var(--muted);text-decoration:none;font-size:14.5px}
.mtoc nav a.sub{padding-left:14px}
.preview-ribbon{display:none}

/* ── Embed mode: page shown inside the dashboard Help panel (iframe) ── */
.embed body{background:#fff}
.embed header.top,.embed footer.foot,.embed #support,.embed aside.toc,.embed nav.side,.embed .giant,.embed .hero-art,.embed .related-wrap{display:none!important}
.embed{--gutter:16px}
.embed .wrap{padding-inline:16px}
.embed .pagehead{padding-top:14px!important;padding-bottom:10px!important}
.embed .catlayout,.embed .artlayout{grid-template-columns:minmax(0,1fr)!important;gap:16px;padding-bottom:28px}
.embed .h1{font-size:24px!important;letter-spacing:-.02em}
.embed .lede{font-size:14.5px}
.embed .band{padding-block:20px!important}
.embed .hero-grid{grid-template-columns:minmax(0,1fr)!important;gap:16px}
.embed .cats,.embed .related,.embed .chapters,.embed .req{grid-template-columns:minmax(0,1fr)!important}
.embed .hero{padding-block:18px 8px!important}.embed .hero h1{font-size:26px!important}