/* ==============================================================
   AUREK · 资料中心 Resource Center — page-specific styles
   Inherits tokens & primitives from styles.css
   ============================================================== */

/* ---------- Breadcrumb (shared vocabulary) ---------- */
.rc-crumb{
  display:flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:11.5px;
  letter-spacing:.06em; text-transform:uppercase;
  color:var(--mute);
  margin-bottom:32px;
}
.rc-crumb a{ color:var(--sub); transition:color .15s; }
.rc-crumb a:hover{ color:var(--blue); }
.rc-crumb b{ color:var(--ink); font-weight:600; white-space:nowrap; }
.rc-crumb a{ white-space:nowrap; }
.rc-crumb .sep{ width:14px; height:1px; background:var(--line-2); }

/* ---------- HERO ---------- */
.rc-hero{
  padding:clamp(40px,5vw,72px) 0 clamp(36px,4vw,56px);
  border-bottom:1px solid var(--line);
  position:relative;
  background:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px) 0 0/64px 64px,
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px) 0 0/64px 64px,
    var(--bg);
}
.rc-hero-grid{
  display:grid; grid-template-columns:1fr; gap:40px;
  align-items:end;
}
@media(min-width:960px){
  .rc-hero-grid{ grid-template-columns:1.5fr 1fr; gap:64px; }
}
.rc-h1{
  font-family:var(--sans); font-weight:500;
  font-size:clamp(38px,5.4vw,68px);
  line-height:1.0; letter-spacing:-.035em;
  margin:18px 0 22px; color:var(--ink);
}
.rc-h1 em{ font-style:normal; color:var(--blue); }
.rc-hero-sub{
  font-size:15.5px; line-height:1.7; color:var(--sub);
  max-width:560px; margin:0; text-wrap:pretty;
}
/* hero stat panel */
.rc-hero-stats{
  border:1px solid var(--line);
  background:var(--paper);
  box-shadow:0 1px 0 var(--line-soft);
}
.rc-hero-stats .row{
  display:flex; align-items:baseline; justify-content:space-between;
  gap:16px;
  padding:16px 20px;
  border-bottom:1px solid var(--line-soft);
}
.rc-hero-stats .row:last-child{ border-bottom:0; }
.rc-hero-stats .l{
  font-family:var(--mono); font-size:11px;
  letter-spacing:.08em; text-transform:uppercase; color:var(--mute);
}
.rc-hero-stats .v{
  font-family:var(--sans); font-weight:600; font-size:17px;
  color:var(--ink); letter-spacing:-.01em;
  font-variant-numeric:tabular-nums; text-align:right;
}
.rc-hero-stats .v span{ color:var(--mute); font-weight:400; font-size:12px; margin-left:3px; }

/* ---------- TOOLBAR (filter + search) ---------- */
.rc-toolbar{
  position:sticky; top:64px; z-index:40;
  background:rgba(244,244,241,.9);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.rc-toolbar-row{
  display:flex; align-items:center; gap:18px;
  flex-wrap:wrap;
  padding:14px 0;
}
.rc-filters{
  display:flex; gap:6px; flex-wrap:wrap; flex:1 1 auto;
}
.rc-chip{
  display:inline-flex; align-items:center; gap:8px;
  height:36px; padding:0 14px;
  font-size:13px; color:var(--ink-soft);
  border:1px solid var(--line-2);
  background:var(--paper);
  transition:all .15s; white-space:nowrap;
}
.rc-chip:hover{ border-color:var(--ink); color:var(--ink); }
.rc-chip.active{ background:var(--ink); border-color:var(--ink); color:#fff; }
.rc-chip .n{
  font-family:var(--mono); font-size:11px;
  color:var(--mute); font-variant-numeric:tabular-nums;
}
.rc-chip:hover .n{ color:var(--sub); }
.rc-chip.active .n{ color:var(--signal); }

.rc-search{
  display:flex; align-items:center; gap:9px;
  height:36px; padding:0 12px;
  border:1px solid var(--line-2);
  background:var(--paper);
  min-width:200px; flex:0 0 auto;
}
.rc-search svg{ width:15px; height:15px; color:var(--mute); flex-shrink:0; }
.rc-search input{
  border:0; outline:0; background:none;
  font-size:13.5px; width:100%; color:var(--ink);
}
.rc-search input::placeholder{ color:var(--mute); }

/* ---------- GRID ---------- */
.rc-section{ padding:clamp(40px,5vw,64px) 0 clamp(60px,7vw,100px); }
.rc-count{
  font-family:var(--mono); font-size:12px;
  letter-spacing:.06em; text-transform:uppercase; color:var(--mute);
  margin-bottom:24px;
}
.rc-count b{ color:var(--ink); font-weight:600; }

.rc-grid{
  display:grid; gap:1px;
  grid-template-columns:1fr;
  background:var(--line);
  border:1px solid var(--line);
}
@media(min-width:640px){ .rc-grid{ grid-template-columns:repeat(2,1fr); } }
@media(min-width:1040px){ .rc-grid{ grid-template-columns:repeat(3,1fr); } }

/* ---------- CARD ---------- */
.rc-card{
  background:var(--paper);
  display:flex; flex-direction:column;
  position:relative;
  transition:background .15s;
}
.rc-card:hover{ background:var(--bg); }
.rc-card.is-hidden{ display:none; }

/* top bar: code + status */
.rc-card-top{
  display:flex; align-items:center; justify-content:space-between;
  gap:10px;
  padding:14px 18px 12px;
  border-bottom:1px solid var(--line-soft);
}
.rc-code{
  font-family:var(--mono); font-size:11px;
  letter-spacing:.02em; color:var(--mute);
}
.rc-status{
  font-family:var(--mono); font-size:10px;
  letter-spacing:.08em; text-transform:uppercase;
  padding:3px 7px; border:1px solid var(--line-2);
  color:var(--sub);
}
.rc-status.ok{ color:var(--blue); border-color:var(--blue-soft); background:var(--blue-soft); }
.rc-status.soon{ color:var(--mute); border-style:dashed; }

/* thumbnail: faux document sheet */
.rc-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px) 0 0/26px 26px,
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px) 0 0/26px 26px,
    var(--bg);
  overflow:hidden;
  display:flex; align-items:center; justify-content:center;
}
/* the document sheet */
.rc-sheet{
  position:relative;
  width:64px; height:82px;
  background:var(--paper);
  border:1px solid var(--line-2);
  box-shadow:0 6px 18px rgba(12,16,20,.08);
  display:flex; flex-direction:column;
  padding:11px 9px 0;
  gap:5px;
}
/* folded corner */
.rc-sheet::after{
  content:""; position:absolute; top:0; right:0;
  width:16px; height:16px;
  background:linear-gradient(225deg, var(--bg-alt) 0 50%, transparent 50%);
  border-left:1px solid var(--line-2);
  border-bottom:1px solid var(--line-2);
}
.rc-sheet i{
  display:block; height:3px; border-radius:1px;
  background:var(--line-2);
}
.rc-sheet i:nth-child(1){ width:60%; background:var(--ink-soft); height:4px; }
.rc-sheet i:nth-child(2){ width:90%; }
.rc-sheet i:nth-child(3){ width:80%; }
.rc-sheet i:nth-child(4){ width:88%; }
.rc-sheet i:nth-child(5){ width:55%; }
/* format badge on the sheet */
.rc-fmt-badge{
  position:absolute; bottom:-9px; left:50%; transform:translateX(-50%);
  font-family:var(--mono); font-size:10px; font-weight:600;
  letter-spacing:.06em;
  color:#fff; background:var(--ink);
  padding:3px 8px; white-space:nowrap;
}
.rc-card.is-coming .rc-fmt-badge{ background:var(--mute); }
.rc-card.is-coming .rc-sheet{ box-shadow:none; opacity:.7; border-style:dashed; }
/* category chip top-left of thumb */
.rc-thumb-cat{
  position:absolute; top:12px; left:12px; z-index:2;
  font-family:var(--mono); font-size:10px;
  letter-spacing:.08em; text-transform:uppercase;
  color:var(--ink);
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(6px);
  padding:4px 8px; border:1px solid var(--line-2);
}
/* photo thumbnail variant (for article cards) */
.rc-thumb-photo{ display:block; padding:0; background:var(--bg-alt); }
.rc-thumb-photo img{ width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
.rc-card:hover .rc-thumb-photo img{ transform:scale(1.04); }

/* body */
.rc-card-body{
  padding:18px 18px 16px;
  flex:1; display:flex; flex-direction:column; gap:9px;
}
.rc-cat{
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:.08em; text-transform:uppercase; color:var(--blue);
}
.rc-card-body h3{
  font-size:17px; font-weight:600; line-height:1.32;
  margin:0; letter-spacing:-.01em; color:var(--ink);
  text-wrap:pretty;
}
.rc-card-body p{
  font-size:13px; line-height:1.6; color:var(--sub);
  margin:0; flex:1; text-wrap:pretty;
}
/* meta line */
.rc-meta{
  display:flex; flex-wrap:wrap; gap:5px 0;
  margin:4px 0 0; padding-top:12px;
  border-top:1px solid var(--line-soft);
  font-family:var(--mono); font-size:11px;
  color:var(--mute); letter-spacing:.02em;
}
.rc-meta span{ display:inline-flex; align-items:center; }
.rc-meta span + span::before{
  content:"·"; margin:0 8px; color:var(--line-2);
}
.rc-meta b{ color:var(--ink-soft); font-weight:500; }

/* footer: download actions */
.rc-card-foot{
  display:flex; gap:8px; flex-wrap:wrap;
  padding:14px 18px 18px;
}
.rc-dl{
  display:inline-flex; align-items:center; gap:8px;
  height:40px; padding:0 15px;
  font-size:13px; font-weight:500;
  border:1px solid var(--ink);
  transition:all .15s;
  white-space:nowrap;
}
.rc-dl svg{ width:14px; height:14px; }
.rc-dl.pdf{ background:var(--ink); color:#fff; flex:1; justify-content:center; }
.rc-dl.pdf:hover{ background:var(--blue); border-color:var(--blue); }
.rc-dl.docx{ background:var(--paper); color:var(--ink); }
.rc-dl.docx:hover{ background:var(--ink); color:#fff; }
.rc-dl .ext{ font-family:var(--mono); font-size:11px; letter-spacing:.04em; }
/* coming-soon button */
.rc-dl.soon{
  background:var(--bg); color:var(--mute);
  border-color:var(--line-2); border-style:dashed;
  cursor:not-allowed; flex:1; justify-content:center;
}
.rc-dl.soon:hover{ background:var(--bg); color:var(--mute); }

/* empty state */
.rc-empty{
  display:none;
  padding:64px 24px; text-align:center;
  border:1px dashed var(--line-2); background:var(--paper);
  color:var(--mute);
}
.rc-empty.show{ display:block; }
.rc-empty b{ color:var(--ink); display:block; font-size:16px; margin-bottom:6px; font-weight:600; }

/* ---------- HELP / CTA strip ---------- */
.rc-help{
  background:var(--ink); color:#e7e7e3;
  border:1px solid var(--ink);
  display:grid; grid-template-columns:1fr; gap:22px;
  padding:clamp(28px,4vw,44px);
  align-items:center;
}
@media(min-width:760px){
  .rc-help{ grid-template-columns:1.4fr auto; gap:40px; }
}
.rc-help h3{
  font-size:clamp(22px,2.6vw,30px); font-weight:500;
  letter-spacing:-.02em; margin:0 0 10px; color:#fff;
}
.rc-help h3 em{ font-style:normal; color:var(--signal); }
.rc-help p{
  font-size:14px; line-height:1.65; color:#a8aab0; margin:0; max-width:520px;
}
.rc-help-actions{ display:flex; gap:12px; flex-wrap:wrap; }
.rc-help .btn-y{
  display:inline-flex; align-items:center; gap:9px;
  height:48px; padding:0 22px; font-size:14px; font-weight:500;
  background:var(--signal); color:var(--ink); border:1px solid var(--signal);
  transition:all .15s;
}
.rc-help .btn-y:hover{ background:#ffdd33; }
.rc-help .btn-o{
  display:inline-flex; align-items:center; gap:9px;
  height:48px; padding:0 22px; font-size:14px; font-weight:500;
  background:transparent; color:#fff; border:1px solid #3a3f47;
  transition:all .15s;
}
.rc-help .btn-o:hover{ border-color:#fff; }
.rc-help .btn-y svg,.rc-help .btn-o svg{ width:15px; height:15px; }

/* ---------- small screens ---------- */
@media(max-width:560px){
  .rc-toolbar{ top:56px; }
  .rc-search{ width:100%; min-width:0; flex:1 1 100%; order:-1; }
}

/* make whole card title/thumb clickable */
.rc-open{ color:inherit; text-decoration:none; display:block; }
.rc-thumb{ cursor:pointer; }
.rc-card-body h3{ transition:color .15s; }
.rc-card-body h3 a{ color:inherit; text-decoration:none; }
.rc-card-body h3 a:hover{ color:var(--blue); }
.rc-open:hover .rc-thumb .rc-sheet{ box-shadow:0 10px 24px rgba(12,16,20,.13); }
.rc-detail-link{
  flex:1 0 100%;
  display:inline-flex; align-items:center; justify-content:flex-end; gap:6px;
  margin-top:4px; padding-top:12px;
  border-top:1px solid var(--line-soft);
  font-family:var(--mono); font-size:11px; letter-spacing:.04em;
  color:var(--blue);
}
.rc-detail-link:hover{ color:var(--ink); }
.rc-detail-link svg{ width:12px; height:12px; }

/* ==============================================================
   RESOURCE DETAIL PAGE (.rd-*)
   ============================================================== */
.rd-hero{
  padding:clamp(36px,4.5vw,60px) 0 clamp(28px,3.5vw,44px);
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px) 0 0/64px 64px,
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px) 0 0/64px 64px,
    var(--bg);
}
.rd-eyebrow{
  font-family:var(--mono); font-size:11.5px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--blue);
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  margin-bottom:16px;
}
.rd-eyebrow .code{ color:var(--mute); }
.rd-eyebrow .sep{ width:1px; height:11px; background:var(--line-2); }
.rd-h1{
  font-family:var(--sans); font-weight:500;
  font-size:clamp(28px,3.8vw,46px); line-height:1.1;
  letter-spacing:-.02em; margin:0 0 18px; color:var(--ink);
  max-width:18ch; text-wrap:balance;
}
.rd-lead{
  font-size:15.5px; line-height:1.7; color:var(--sub);
  max-width:680px; margin:0; text-wrap:pretty;
}
.rd-soon-flag{
  display:inline-flex; align-items:center; gap:8px;
  margin-top:18px; padding:8px 14px;
  font-family:var(--mono); font-size:12px; letter-spacing:.04em;
  color:var(--sub); background:var(--paper);
  border:1px dashed var(--line-2);
  white-space:nowrap; max-width:100%;
}

/* layout */
.rd-layout{
  display:grid; grid-template-columns:1fr; gap:40px;
  padding:clamp(40px,5vw,64px) var(--pad);
  max-width:var(--container); margin:0 auto;
}
@media(min-width:960px){
  .rd-layout{ grid-template-columns:1fr 360px; gap:56px; align-items:start; }
}

/* content column */
.rd-section-label{
  font-family:var(--mono); font-size:12px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--mute);
  padding-bottom:14px; margin:0 0 22px;
  border-bottom:1px solid var(--line);
}
/* full-text rendering inside document detail pages */
.rd-fulltext-note{
  font-size:13px; line-height:1.6; color:var(--mute);
  margin:0 0 26px; padding:11px 14px;
  background:var(--bg); border:1px solid var(--line-soft); text-wrap:pretty;
}
.rd-fulltext > :first-child{ margin-top:0 !important; padding-top:0 !important; border-top:0 !important; }
.rd-fulltext.ra-prose h2{ font-size:clamp(19px,2vw,24px); margin:38px 0 14px; padding-top:22px; }
.rd-fulltext.ra-prose h3{ font-size:16px; margin:24px 0 9px; }
.rd-fulltext.ra-prose p{ font-size:15px; line-height:1.75; }
.rd-fulltext .ra-table{ margin:6px 0 24px; }
.rd-fulltext .ra-table table{ min-width:0; }
.rd-fulltext .ra-table th, .rd-fulltext .ra-table td{ font-size:13px; padding:10px 12px; }
.rd-fulltext .ra-table thead th{ font-size:11.5px; }
.rd-list{ list-style:none; margin:0 0 40px; padding:0; }
.rd-list li{
  display:flex; gap:14px; align-items:flex-start;
  padding:15px 0; border-bottom:1px solid var(--line-soft);
  font-size:15px; line-height:1.6; color:var(--ink-soft); text-wrap:pretty;
}
.rd-list li .rd-n{
  flex-shrink:0;
  font-family:var(--mono); font-size:11px; color:var(--blue);
  width:26px; height:26px; border:1px solid var(--line-2);
  display:flex; align-items:center; justify-content:center;
  margin-top:1px;
}
.rd-preview-head{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; flex-wrap:wrap; margin-bottom:14px;
}
.rd-preview-head .l{
  font-family:var(--mono); font-size:12px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--mute);
}
.rd-preview{
  border:1px solid var(--line); background:var(--paper);
}
.rd-pdf{
  display:block; width:100%; height:680px; border:0;
  background:var(--bg-alt);
}
.rd-noprev{
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:14px; padding:64px 24px; text-align:center;
  background:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px) 0 0/26px 26px,
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px) 0 0/26px 26px,
    var(--bg);
  color:var(--mute);
}
.rd-noprev .rc-sheet{ width:78px; height:100px; }
.rd-noprev p{ margin:0; font-size:13px; max-width:320px; line-height:1.6; }
.rd-noprev b{ color:var(--ink); display:block; font-size:15px; font-weight:600; margin-bottom:2px; }

/* sidebar */
.rd-side{ display:flex; flex-direction:column; gap:20px; }
@media(min-width:960px){ .rd-side{ position:sticky; top:96px; } }
.rd-card{
  border:1px solid var(--line); background:var(--paper);
  box-shadow:0 1px 0 var(--line-soft);
}
.rd-card-vis{
  position:relative; padding:30px 24px;
  display:flex; align-items:center; justify-content:center;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px) 0 0/26px 26px,
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px) 0 0/26px 26px,
    var(--bg);
}
.rd-card-vis .rc-sheet{ width:88px; height:112px; }
.rd-card-vis .rc-fmt-badge{ font-size:11px; bottom:-10px; }
.rd-meta{ margin:0; padding:8px 4px; }
.rd-card-head{
  font-family:var(--mono); font-size:11px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--mute);
  padding:16px 20px 12px; border-bottom:1px solid var(--line);
}
.rd-card > .rd-meta:first-child{ padding-top:4px; }
.rd-meta .r{
  display:flex; align-items:baseline; justify-content:space-between;
  gap:16px; padding:11px 20px; border-bottom:1px solid var(--line-soft);
}
.rd-meta .r:last-child{ border-bottom:0; }
.rd-meta dt{
  font-family:var(--mono); font-size:11px; letter-spacing:.06em;
  text-transform:uppercase; color:var(--mute);
}
.rd-meta dd{
  margin:0; font-size:13.5px; color:var(--ink); font-weight:500;
  text-align:right; font-variant-numeric:tabular-nums;
}
.rd-dl-group{
  display:flex; flex-direction:column; gap:8px;
  padding:16px 20px 20px; border-top:1px solid var(--line);
}
.rd-tags-card{
  border:1px solid var(--line); background:var(--paper);
  padding:18px 20px;
}
.rd-tags-card .h{
  font-family:var(--mono); font-size:11px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--mute); margin-bottom:12px;
}
.rd-tags{ display:flex; flex-wrap:wrap; gap:7px; }
.rd-tags span{
  font-size:12.5px; color:var(--ink-soft);
  padding:5px 11px; border:1px solid var(--line-2); background:var(--bg);
}

/* related */
.rd-related{ padding:clamp(36px,4vw,56px) var(--pad) 0; max-width:var(--container); margin:0 auto; }
.rd-related-head{
  font-family:var(--mono); font-size:12px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--mute);
  padding-bottom:16px; margin-bottom:0; border-bottom:1px solid var(--line);
}
.rd-rel-grid{
  display:grid; gap:1px; grid-template-columns:1fr;
  background:var(--line); border:1px solid var(--line); border-top:0;
}
@media(min-width:680px){ .rd-rel-grid{ grid-template-columns:repeat(3,1fr); } }
.rd-rel{
  background:var(--paper); padding:20px; display:flex; flex-direction:column; gap:9px;
  transition:background .15s;
}
.rd-rel:hover{ background:var(--bg); }
.rd-rel .code{ font-family:var(--mono); font-size:10.5px; color:var(--mute); }
.rd-rel .cat{ font-family:var(--mono); font-size:10.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--blue); }
.rd-rel h4{ font-size:15px; font-weight:600; margin:0; line-height:1.35; color:var(--ink); letter-spacing:-.005em; }
.rd-rel:hover h4{ color:var(--blue); }
.rd-rel .go{
  margin-top:4px; font-family:var(--mono); font-size:11px; color:var(--sub);
  display:inline-flex; align-items:center; gap:6px;
}
.rd-rel .go svg{ width:12px; height:12px; }
.rd-help-wrap{ padding:clamp(40px,5vw,72px) var(--pad) clamp(56px,7vw,96px); max-width:var(--container); margin:0 auto; }

/* ==============================================================
   TECH ARTICLE PAGE (.ra-*) — real web article, not a download
   reuses .rd-hero/.rd-eyebrow/.rd-h1/.rd-lead for the header
   ============================================================== */
.ra-byline{
  display:flex; flex-wrap:wrap; align-items:center; gap:0;
  margin-top:22px; padding-top:18px; border-top:1px solid var(--line);
  font-family:var(--mono); font-size:12px; letter-spacing:.04em; color:var(--mute);
}
.ra-byline span{ display:inline-flex; align-items:center; }
.ra-byline span + span::before{ content:"·"; margin:0 10px; color:var(--line-2); }
.ra-byline b{ color:var(--ink); font-weight:600; }

.ra-body{ padding:0; }
.ra-wrap{ max-width:768px; margin:0 auto; padding:clamp(40px,5vw,64px) var(--pad) clamp(20px,3vw,32px); }

/* TL;DR / key points callout */
.ra-tldr{
  border:1px solid var(--line); background:var(--paper);
  box-shadow:0 1px 0 var(--line-soft);
  padding:22px 24px; margin:0 0 40px;
}
.ra-tldr .h{
  font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--blue); margin-bottom:14px;
  display:flex; align-items:center; gap:10px;
}
.ra-tldr .h::before{ content:""; width:18px; height:1px; background:currentColor; }
.ra-tldr ul{ margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:9px; }
.ra-tldr li{ position:relative; padding-left:22px; font-size:14.5px; line-height:1.6; color:var(--ink-soft); text-wrap:pretty; }
.ra-tldr li::before{ content:"+"; position:absolute; left:0; top:0; color:var(--blue); font-family:var(--mono); font-weight:600; }

/* prose */
.ra-prose h2{
  font-size:clamp(21px,2.3vw,28px); font-weight:500; letter-spacing:-.01em;
  line-height:1.25; color:var(--ink);
  margin:46px 0 16px; padding-top:24px; border-top:1px solid var(--line);
  display:flex; align-items:baseline; gap:14px; text-wrap:balance;
}
.ra-prose h2 .nx{
  font-family:var(--mono); font-size:13px; font-weight:600; color:var(--blue);
  flex-shrink:0;
}
.ra-prose h3{ font-size:17.5px; font-weight:600; color:var(--ink); margin:28px 0 10px; letter-spacing:-.005em; }
.ra-prose p{ font-size:16px; line-height:1.8; color:var(--ink-soft); margin:0 0 18px; text-wrap:pretty; }
.ra-prose strong{ color:var(--ink); font-weight:600; }
.ra-prose ul{ margin:0 0 22px; padding:0; list-style:none; }
.ra-prose ul li{ position:relative; padding:7px 0 7px 24px; font-size:15.5px; line-height:1.7; color:var(--sub); text-wrap:pretty; }
.ra-prose ul li::before{ content:"+"; position:absolute; left:0; top:7px; color:var(--blue); font-family:var(--mono); font-weight:600; }
.ra-prose ul li strong{ color:var(--ink); }

/* prose table */
.ra-table{ overflow-x:auto; margin:6px 0 30px; border:1px solid var(--line); }
.ra-table table{ width:100%; min-width:520px; border-collapse:collapse; font-family:var(--sans); }
.ra-table thead th{
  text-align:left; font-size:12px; font-weight:600; color:var(--ink);
  letter-spacing:.02em; padding:13px 16px; background:var(--bg-alt);
  border-bottom:2px solid var(--ink); white-space:nowrap;
}
.ra-table tbody th{
  text-align:left; font-weight:600; color:var(--ink); font-size:14.5px;
  padding:14px 16px; border-bottom:1px solid var(--line); white-space:nowrap; vertical-align:top;
}
.ra-table tbody td{ font-size:14px; color:var(--ink-soft); padding:14px 16px; border-bottom:1px solid var(--line); line-height:1.55; }
.ra-table tbody tr:last-child th, .ra-table tbody tr:last-child td{ border-bottom:0; }
.ra-table .yes{ color:var(--blue); font-weight:600; }
.ra-table .no{ color:var(--mute); }

/* pull note */
.ra-note{
  border:1px solid var(--line-2); background:var(--bg);
  padding:16px 20px; margin:0 0 26px;
  font-size:14px; line-height:1.7; color:var(--sub); text-wrap:pretty;
}
.ra-note b{ color:var(--ink); }

/* end CTA inside article */
.ra-end{
  margin:36px 0 0; padding-top:28px; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; gap:12px; align-items:center;
}
.ra-end .t{ font-size:14px; color:var(--sub); flex:1 1 220px; line-height:1.6; }
.ra-end .t b{ color:var(--ink); font-weight:600; }

/* featured image + inline figures */
.ra-figure{ margin:0; }
.ra-hero-figure{
  border-bottom:1px solid var(--line);
  background:var(--bg-alt);
  position:relative;
}
.ra-hero-figure img{
  display:block; width:100%; height:clamp(260px,42vw,520px);
  object-fit:cover;
}
.ra-hero-figure figcaption,
.ra-prose figure figcaption{
  font-family:var(--mono); font-size:11.5px; letter-spacing:.02em;
  color:var(--mute); padding:10px 0 0; text-wrap:pretty;
}
.ra-prose figure{ margin:8px 0 30px; }
.ra-prose figure img{
  display:block; width:100%; height:auto;
  border:1px solid var(--line);
}

/* FAQ section (visible + matches FAQPage schema) */
.ra-faq-wrap{ max-width:768px; margin:0 auto; padding:8px var(--pad) clamp(40px,5vw,64px); }
.ra-faq-head{
  font-family:var(--mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--mute); padding-bottom:16px; margin:0 0 4px; border-bottom:1px solid var(--line);
}
.ra-faq details{
  border-bottom:1px solid var(--line-soft);
}
.ra-faq summary{
  display:flex; align-items:flex-start; justify-content:space-between; gap:16px;
  padding:20px 0; cursor:pointer; list-style:none;
  font-size:16.5px; font-weight:600; color:var(--ink); line-height:1.4;
  text-wrap:pretty;
}
.ra-faq summary::-webkit-details-marker{ display:none; }
.ra-faq summary .ic{
  flex-shrink:0; width:22px; height:22px; position:relative; margin-top:2px;
  border:1px solid var(--line-2); transition:background .15s,border-color .15s;
}
.ra-faq summary .ic::before,
.ra-faq summary .ic::after{
  content:""; position:absolute; background:var(--blue);
  left:50%; top:50%; transform:translate(-50%,-50%);
}
.ra-faq summary .ic::before{ width:10px; height:1.5px; }
.ra-faq summary .ic::after{ width:1.5px; height:10px; transition:transform .2s; }
.ra-faq details[open] summary .ic{ background:var(--ink); border-color:var(--ink); }
.ra-faq details[open] summary .ic::before,
.ra-faq details[open] summary .ic::after{ background:#fff; }
.ra-faq details[open] summary .ic::after{ transform:translate(-50%,-50%) scaleY(0); }
.ra-faq .a{ padding:0 38px 22px 0; font-size:15px; line-height:1.7; color:var(--sub); text-wrap:pretty; }
.ra-faq .a p{ margin:0 0 10px; }
.ra-faq .a p:last-child{ margin:0; }

/* ==============================================================
   KNOWLEDGE HUB / ARCHIVE (.kh-*)
   ============================================================== */
.kh-grid{
  display:grid; gap:1px; grid-template-columns:1fr;
  background:var(--line); border:1px solid var(--line);
}
@media(min-width:680px){ .kh-grid{ grid-template-columns:repeat(2,1fr); } }
@media(min-width:1040px){ .kh-grid{ grid-template-columns:repeat(3,1fr); } }
.kh-card{
  background:var(--paper); display:flex; flex-direction:column;
  text-decoration:none; color:inherit; transition:background .15s;
}
.kh-card:hover{ background:var(--bg); }
.kh-thumb{ position:relative; aspect-ratio:16/10; overflow:hidden; background:var(--bg-alt); border-bottom:1px solid var(--line-soft); }
.kh-thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
.kh-card:hover .kh-thumb img{ transform:scale(1.04); }
.kh-thumb .cat{
  position:absolute; top:12px; left:12px;
  font-family:var(--mono); font-size:10px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--ink); background:rgba(255,255,255,.86); backdrop-filter:blur(6px);
  padding:4px 9px; border:1px solid var(--line-2);
}
.kh-body{ padding:20px 20px 22px; display:flex; flex-direction:column; gap:10px; flex:1; }
.kh-body .meta{ font-family:var(--mono); font-size:11px; letter-spacing:.02em; color:var(--mute); }
.kh-body h3{ font-size:18px; font-weight:600; line-height:1.32; margin:0; letter-spacing:-.01em; color:var(--ink); text-wrap:pretty; }
.kh-card:hover h3{ color:var(--blue); }
.kh-body p{ font-size:13.5px; line-height:1.6; color:var(--sub); margin:0; flex:1; text-wrap:pretty; }
.kh-body .go{
  margin-top:4px; padding-top:14px; border-top:1px solid var(--line-soft);
  font-family:var(--mono); font-size:11px; letter-spacing:.04em; color:var(--blue);
  display:inline-flex; align-items:center; gap:6px;
}
.kh-body .go svg{ width:12px; height:12px; }

/* tag row on article hero */
.ra-tags-row{ display:flex; flex-wrap:wrap; gap:7px; margin-top:18px; }
.ra-tags-row a{
  font-family:var(--mono); font-size:11.5px; letter-spacing:.02em;
  color:var(--ink-soft); text-decoration:none;
  padding:5px 11px; border:1px solid var(--line-2); background:var(--paper);
  transition:all .15s;
}
.ra-tags-row a:hover{ border-color:var(--ink); color:var(--ink); }