/* roulang page: index */
:root {
  --bg: #070B14;
  --panel: #101A2E;
  --blue: #2F6BFF;
  --cyan: #7DD3FC;
  --rose: #C9849A;
  --text: #E8EEF9;
  --muted: #9AA8C2;
  --line: rgba(255,255,255,.12);
  --glass: rgba(16,28,52,.55);
  --radius: 18px;
  --shadow: 0 10px 30px rgba(0,0,0,.28);
  --glow: 0 0 18px rgba(47,107,255,.55);
  --max: 1120px;
  --pad: 72px;
  --font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; font-size: 16px; }
button { cursor: pointer; }
::selection { background: rgba(47,107,255,.45); color: #fff; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7,11,20,.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-bar {
  min-height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}
.logo {
  justify-self: start;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.3;
  letter-spacing: .02em;
  color: var(--text);
}
.logo:hover { color: var(--cyan); }
.nav-pills { display: flex; gap: 10px; justify-self: center; }
.pill {
  min-height: 44px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(16,28,52,.35);
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.pill:hover { border-color: rgba(125,211,252,.55); background: rgba(47,107,255,.16); }
.pill:active { transform: translateY(1px); }
.pill.is-active {
  background: linear-gradient(180deg, #3d78ff, var(--blue));
  border-color: transparent;
  color: #fff;
}
.header-actions { justify-self: end; display: flex; align-items: center; gap: 10px; }
.menu-btn {
  display: none;
  min-height: 44px;
  min-width: 44px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(16,28,52,.55);
  color: var(--text);
}
.btn {
  min-height: 44px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1.2;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease, border-color .2s ease;
}
.btn-glow {
  color: #fff;
  background: linear-gradient(180deg, #5b8cff, var(--blue));
  box-shadow: var(--glow);
}
.btn-glow:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 0 26px rgba(47,107,255,.72); }
.btn-glow:active { transform: translateY(0); filter: brightness(.98); }
.btn-ghost {
  color: var(--text);
  background: rgba(16,28,52,.45);
  border-color: var(--line);
  backdrop-filter: blur(16px);
}
.btn-ghost:hover { border-color: rgba(125,211,252,.6); background: rgba(47,107,255,.14); }
.btn:disabled, .btn.is-disabled { opacity: .45; box-shadow: none; pointer-events: none; }
.board {
  position: relative;
  padding: 48px 0 64px;
  background:
    radial-gradient(900px 320px at 12% 0%, rgba(47,107,255,.22), transparent 60%),
    var(--bg);
  overflow: hidden;
}
.board::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 20%, transparent 88%);
  pointer-events: none;
}
.board-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr .85fr;
  gap: 28px;
  align-items: center;
}
h1, h2, h3 { margin: 0; font-weight: 700; line-height: 1.3; }
h1 { font-size: clamp(30px, 4vw, 44px); }
h2 { font-size: clamp(24px, 3vw, 32px); }
h3 { font-size: 18px; }
.lead { margin: 14px 0 0; color: var(--text); max-width: 62ch; }
.subline { margin: 12px 0 0; color: var(--cyan); font-size: 15px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.metric {
  padding: 18px 16px 14px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.metric-num { display: block; font-size: 32px; font-weight: 700; line-height: 1.1; color: #fff; }
.metric-label { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; }
.block { padding: var(--pad) 0; }
.block-alt { background: rgba(16,26,46,.72); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 22px; max-width: 760px; }
.section-lead { margin: 10px 0 0; color: var(--muted); }
.cover-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 12px;
  scrollbar-color: rgba(125,211,252,.45) transparent;
}
.cover-track::-webkit-scrollbar { height: 8px; }
.cover-track::-webkit-scrollbar-thumb { background: rgba(125,211,252,.4); border-radius: 99px; }
.cover-card {
  flex: 0 0 210px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text);
}
.cover-visual {
  position: relative;
  height: 280px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(7,11,20,.05), rgba(7,11,20,.72)),
    linear-gradient(160deg, #16315f, #101a2e 55%, #24365a);
}
.cover-card:nth-child(2) .cover-visual { background: linear-gradient(180deg, rgba(7,11,20,.05), rgba(7,11,20,.72)), linear-gradient(160deg, #1d4ed8, #0f2748); }
.cover-card:nth-child(3) .cover-visual { background: linear-gradient(180deg, rgba(7,11,20,.05), rgba(7,11,20,.72)), linear-gradient(200deg, #245b86, #101a2e); }
.cover-card:nth-child(4) .cover-visual { background: linear-gradient(180deg, rgba(7,11,20,.1), rgba(7,11,20,.75)), linear-gradient(160deg, #3a4d73, #1a2033); }
.cover-card:nth-child(5) .cover-visual { background: linear-gradient(180deg, rgba(7,11,20,.05), rgba(7,11,20,.72)), linear-gradient(180deg, #2f6bff, #12203c); }
.cover-card:nth-child(6) .cover-visual { background: linear-gradient(180deg, rgba(7,11,20,.08), rgba(7,11,20,.75)), linear-gradient(160deg, #1e3a5f, #0c1424); }
.cover-card:nth-child(7) .cover-visual { background: linear-gradient(180deg, rgba(7,11,20,.05), rgba(7,11,20,.72)), linear-gradient(200deg, #31557a, #121a2c); }
.cover-card:nth-child(8) .cover-visual { background: linear-gradient(180deg, rgba(7,11,20,.05), rgba(7,11,20,.72)), linear-gradient(160deg, #25406e, #101828); }
.cover-card:hover .cover-visual { transform: translateY(-2px); border-color: rgba(125,211,252,.45); }
.cover-visual { transition: transform .2s ease, border-color .2s ease; }
.badge {
  position: absolute;
  top: 12px;
  left: 12px;
  min-height: 28px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: rgba(47,107,255,.85);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}
.badge-rose { background: rgba(201,132,154,.9); }
.status-dot {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(7,11,20,.35);
}
.dot-live { background: var(--blue); }
.dot-update { background: var(--cyan); }
.dot-replay { background: var(--rose); }
.dot-lock { background: #8b97b3; }
.cover-title { font-weight: 700; line-height: 1.4; }
.cover-meta { color: var(--muted); font-size: 13px; }
.matrix {
  display: grid;
  grid-template-columns: 1.35fr .9fr;
  gap: 16px;
}
.matrix-main { grid-row: span 2; }
.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  padding: 22px;
}
.card-kicker { margin: 0 0 8px; color: var(--cyan); font-size: 13px; letter-spacing: .04em; }
.card-text { margin: 10px 0 0; color: var(--muted); }
.mini-list { margin: 14px 0 0; padding: 0; list-style: none; }
.mini-list li {
  padding: 8px 0;
  border-top: 1px solid var(--line);
  color: var(--text);
}
.scene-list { display: flex; flex-direction: column; gap: 12px; }
.scene {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(16,28,52,.4);
}
.scene h3 { font-size: 20px; }
.scene p { margin: 4px 0 0; color: var(--muted); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-col { padding: 8px 8px 12px; }
.compare-head {
  margin: 0 0 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 18px;
}
.is-now { box-shadow: var(--shadow), inset 0 0 0 1px rgba(47,107,255,.45); }
.compare-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.compare-key { color: var(--muted); }
.compare-val { font-weight: 700; }
.timeline { margin: 0; padding: 0; list-style: none; border-left: 1px solid var(--line); }
.tl-item { position: relative; padding: 0 0 26px 28px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(47,107,255,.2);
}
.tl-phase { color: var(--cyan); font-size: 13px; }
.tl-title { margin-top: 2px; font-size: 18px; }
.tl-text { margin: 4px 0 0; color: var(--muted); }
.news-list { display: flex; flex-direction: column; }
.news-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.news-title { font-weight: 700; }
.news-title:hover { color: var(--cyan); }
.news-meta { color: var(--muted); font-size: 14px; white-space: nowrap; }
.more-row { display: flex; justify-content: flex-start; padding-top: 18px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  min-height: 44px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(16,28,52,.55);
  color: var(--text);
}
.tag:hover { border-color: rgba(125,211,252,.6); color: var(--cyan); }
.assure-list { display: flex; flex-direction: column; gap: 10px; }
.assure {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(7,11,20,.35);
}
.assure-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(47,107,255,.18);
  color: var(--cyan);
  font-weight: 700;
}
.assure strong { display: block; font-weight: 700; }
.assure p { margin: 2px 0 0; color: var(--muted); }
.entry-wide {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid rgba(125,211,252,.28);
  background:
    linear-gradient(90deg, rgba(47,107,255,.18), rgba(16,28,52,.55) 42%),
    var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.entry-copy p { margin: 10px 0 0; color: var(--muted); max-width: 68ch; }
.qa-list, .faq-list, .history-list, .play-list { display: flex; flex-direction: column; gap: 12px; }
.qa, .history-card, .play-item, .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.qa { padding: 16px 18px; }
.qa-q, .faq-q { font-weight: 700; }
.qa-a { margin: 6px 0 0; color: var(--muted); }
.faq-item { padding: 0 18px; }
.faq-item summary {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 22px;
  line-height: 1;
}
.faq-item[open] summary::after { content: "–"; }
.faq-a { margin: 0; padding: 0 0 16px; color: var(--muted); }
.history-list { max-width: 680px; }
.history-card { display: block; padding: 16px 18px; }
.history-card:hover { border-color: rgba(125,211,252,.5); }
.history-name { font-weight: 700; }
.history-meta { color: var(--muted); font-size: 14px; }
.play-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  box-shadow: none;
}
.play-no { color: var(--cyan); font-weight: 700; }
.play-state {
  min-height: 32px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.state-replay { color: #f0d5de; border-color: rgba(201,132,154,.45); }
.gloss { display: flex; flex-direction: column; gap: 12px; }
.gloss-line {
  margin: 0;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(16,28,52,.4);
  color: var(--muted);
}
.gloss-line strong { color: var(--text); font-weight: 700; margin-right: 6px; }
.form-panel { max-width: 720px; }
.form-grid { display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-weight: 700; }
.field input, .field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: var(--text);
  background: rgba(7,11,20,.55);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:hover, .field textarea:hover { border-color: rgba(125,211,252,.4); }
.field input:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,107,255,.25); outline: none; }
.field.is-invalid input, .field.is-invalid textarea { border-color: var(--rose); }
.field-error { margin: 0; color: var(--rose); font-size: 14px; }
.form-status {
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
}
.form-status[hidden] { display: none; }
.form-status.is-ok { border-color: rgba(125,211,252,.5); background: rgba(47,107,255,.16); }
.form-status.is-bad { border-color: rgba(201,132,154,.6); background: rgba(201,132,154,.12); }
.form-panel .btn { margin-top: 4px; }
.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(16,28,52,.55);
  backdrop-filter: blur(16px);
}
.footer-bar {
  padding: 28px 0;
  display: grid;
  grid-template-columns: 1.15fr 1fr .9fr;
  gap: 20px;
  align-items: start;
}
.footer-brand { font-weight: 700; line-height: 1.4; }
.footer-links, .footer-side { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.footer-links a, .footer-side a { min-height: 44px; display: inline-flex; align-items: center; color: var(--muted); }
.footer-links a:hover, .footer-side a:hover { color: var(--cyan); }
.copy-line { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
@media (max-width: 1199px) {
  .board-grid { grid-template-columns: 1fr .9fr; }
}
@media (max-width: 1024px) {
  .matrix { grid-template-columns: 1fr 1fr; }
  .matrix-main { grid-row: auto; grid-column: 1 / -1; }
  .footer-bar { grid-template-columns: 1fr 1fr; }
  .footer-side { grid-column: 1 / -1; }
}
@media (max-width: 767px) {
  :root { --pad: 40px; }
  .header-bar { display: flex; min-height: 64px; position: relative; }
  .logo { flex: 1; min-width: 0; font-size: 14px; }
  .menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .nav-pills {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 12px;
    background: rgba(16,28,52,.94);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 50;
  }
  .nav-pills.is-open { display: flex; }
  .pill { width: 100%; }
  .board { padding: 32px 0 40px; }
  .board-grid, .compare, .entry-wide { grid-template-columns: 1fr; }
  .entry-wide, .scene { flex-direction: column; align-items: flex-start; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .news-row { flex-direction: column; align-items: flex-start; }
  .news-meta { white-space: normal; }
  .footer-bar { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .logo { font-size: 13px; max-width: 9.5em; }
  .btn-glow { padding: 0 12px; font-size: 14px; }
  .metric-num { font-size: 26px; }
  .play-item { grid-template-columns: 42px 1fr; }
  .play-state { grid-column: 2; justify-self: start; }
  h1 { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category1 */
:root {
 --bg: #070B14;
 --panel: #101A2E;
 --blue: #2F6BFF;
 --cyan: #7DD3FC;
 --rose: #C9849A;
 --text: #E8EEF9;
 --muted: #9AA8C2;
 --line: rgba(255,255,255,.12);
 --glass: rgba(16,28,52,.55);
 --radius: 18px;
 --shadow: 0 10px 30px rgba(0,0,0,.28);
 --glow: 0 0 18px rgba(47,107,255,.55);
 --max: 1120px;
 --pad: 72px;
 --font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: var(--font);
 font-size: 16px;
 font-weight: 400;
 line-height: 1.75;
 color: var(--text);
 background:
  radial-gradient(880px 380px at 8% -8%, rgba(47,107,255,.2), transparent 62%),
  linear-gradient(180deg, rgba(16,26,46,.35), transparent 280px),
  var(--bg);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; font-size: 16px; }
button { cursor: pointer; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: rgba(7,11,20,.82);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.header-bar {
 min-height: 72px;
 display: grid;
 grid-template-columns: 1fr auto 1fr;
 align-items: center;
 gap: 16px;
}
.logo {
 justify-self: start;
 font-weight: 700;
 font-size: 16px;
 line-height: 1.3;
 letter-spacing: .02em;
 color: var(--text);
 max-width: 16em;
}
.logo:hover { color: var(--cyan); }
.nav-pills { display: flex; gap: 10px; justify-self: center; }
.pill {
 min-height: 44px;
 padding: 0 16px;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 border: 1px solid var(--line);
 border-radius: 999px;
 color: var(--text);
 background: rgba(16,28,52,.35);
 transition: background .2s ease, border-color .2s ease, transform .2s ease, color .2s ease;
}
.pill:hover { border-color: rgba(125,211,252,.55); background: rgba(47,107,255,.16); }
.pill:active { transform: translateY(1px); }
.pill.is-active {
 background: linear-gradient(180deg, #3d78ff, var(--blue));
 border-color: transparent;
 color: #fff;
}
.header-actions { justify-self: end; display: flex; align-items: center; gap: 10px; }
.menu-btn {
 display: none;
 min-height: 44px;
 min-width: 44px;
 padding: 0 14px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: rgba(16,28,52,.55);
 color: var(--text);
}
.menu-btn:hover { border-color: rgba(125,211,252,.55); }
.btn {
 min-height: 44px;
 padding: 0 18px;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 border-radius: 999px;
 border: 1px solid transparent;
 font-weight: 700;
 line-height: 1.2;
 transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease, border-color .2s ease;
}
.btn-glow {
 color: #fff;
 background: linear-gradient(180deg, #5b8cff, var(--blue));
 box-shadow: var(--glow);
}
.btn-glow:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 0 26px rgba(47,107,255,.72); }
.btn-glow:active { transform: translateY(0); filter: brightness(.98); }
.btn-ghost {
 color: var(--text);
 background: rgba(16,28,52,.45);
 border-color: var(--line);
 backdrop-filter: blur(16px);
}
.btn-ghost:hover { border-color: rgba(125,211,252,.6); background: rgba(47,107,255,.14); }
.btn:disabled, .btn.is-disabled { opacity: .45; box-shadow: none; pointer-events: none; }
.section { padding: var(--pad) 0; }
.section-alt {
 background: rgba(16,26,46,.62);
 border-top: 1px solid var(--line);
 border-bottom: 1px solid var(--line);
}
.glass {
 background: var(--glass);
 backdrop-filter: blur(16px);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.cat-hero { padding: 48px 0 28px; }
.hero-layout {
 display: grid;
 grid-template-columns: 1.4fr .7fr;
 gap: 22px;
 align-items: end;
}
.kicker {
 margin: 0 0 10px;
 color: var(--cyan);
 font-size: 13px;
 letter-spacing: .08em;
 font-weight: 700;
}
h1 {
 font-size: 40px;
 line-height: 1.3;
 font-weight: 700;
 letter-spacing: .01em;
}
.lead { margin-top: 14px; color: var(--text); max-width: 40em; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag {
 min-height: 32px;
 padding: 0 12px;
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 border: 1px solid var(--line);
 color: var(--muted);
 background: rgba(16,28,52,.4);
 font-size: 13px;
}
.side-note { padding: 18px 18px 16px; }
.side-note h2 { font-size: 18px; line-height: 1.3; font-weight: 700; }
.side-note p { margin-top: 8px; color: var(--muted); }
.note-line {
 margin-top: 14px;
 padding-top: 12px;
 border-top: 1px solid var(--line);
 color: var(--text);
 font-size: 14px;
}
.filter-sec { padding-top: 8px; }
.filter-bar {
 display: flex;
 flex-wrap: wrap;
 gap: 16px 28px;
 align-items: center;
 padding: 14px 16px;
}
.filter-group { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.filter-label { color: var(--muted); font-size: 13px; margin-right: 4px; }
.chip {
 min-height: 44px;
 padding: 0 14px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: rgba(7,11,20,.35);
 color: var(--text);
 transition: background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.chip:hover { border-color: rgba(125,211,252,.55); }
.chip.is-on {
 background: linear-gradient(180deg, #3d78ff, var(--blue));
 border-color: transparent;
 color: #fff;
 box-shadow: var(--glow);
}
.section-head { margin-bottom: 22px; max-width: 760px; }
h2 { font-size: 28px; line-height: 1.3; font-weight: 700; }
.section-lead { margin-top: 10px; color: var(--muted); }
.feed-grid { columns: 2; column-gap: 16px; }
.feed-card {
 break-inside: avoid;
 width: 100%;
 margin: 0 0 16px;
 overflow: hidden;
 transition: transform .2s ease, border-color .2s ease;
}
.feed-card:hover { transform: translateY(-2px); border-color: rgba(125,211,252,.4); }
.cover-link { display: block; color: inherit; }
.cover-visual {
 position: relative;
 min-height: 240px;
 border-bottom: 1px solid var(--line);
 background:
  linear-gradient(180deg, rgba(7,11,20,.05), rgba(7,11,20,.72)),
  linear-gradient(160deg, #1d4ed8, #0f2748);
}
.h-b { min-height: 300px; background: linear-gradient(180deg, rgba(7,11,20,.05), rgba(7,11,20,.72)), linear-gradient(200deg, #245b86, #101a2e); }
.h-c { min-height: 210px; background: linear-gradient(180deg, rgba(7,11,20,.1), rgba(7,11,20,.75)), linear-gradient(160deg, #3a4d73, #1a2033); }
.h-d { min-height: 270px; background: linear-gradient(180deg, rgba(7,11,20,.05), rgba(7,11,20,.72)), linear-gradient(180deg, #2f6bff, #12203c); }
.h-e { min-height: 230px; background: linear-gradient(180deg, rgba(7,11,20,.08), rgba(7,11,20,.75)), linear-gradient(160deg, #1e3a5f, #0c1424); }
.h-f { min-height: 320px; background: linear-gradient(180deg, rgba(7,11,20,.05), rgba(7,11,20,.72)), linear-gradient(200deg, #31557a, #121a2c); }
.cover-mark {
 position: absolute;
 left: 14px;
 bottom: 14px;
 color: rgba(232,238,249,.8);
 font-size: 13px;
 letter-spacing: .06em;
}
.badge {
 position: absolute;
 top: 12px;
 left: 12px;
 min-height: 28px;
 padding: 0 10px;
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 background: rgba(47,107,255,.85);
 color: #fff;
 font-size: 12px;
 font-weight: 700;
}
.badge-wait { background: rgba(201,132,154,.9); }
.badge-done { background: rgba(16,28,52,.82); border: 1px solid var(--line); color: var(--text); }
.cover-copy { padding: 14px 16px 16px; }
.cover-title { font-weight: 700; line-height: 1.4; font-size: 18px; }
.cover-meta { margin-top: 6px; color: var(--muted); font-size: 13px; }
.feed-foot { display: flex; justify-content: flex-start; margin-top: 6px; }
.empty-note {
 margin-top: 8px;
 color: var(--muted);
 padding: 18px;
 text-align: left;
}
.field-list { display: grid; gap: 10px; }
.field-row {
 display: grid;
 grid-template-columns: 140px 1fr;
 gap: 16px;
 align-items: start;
 padding: 14px 16px;
}
.field-row dt { color: var(--cyan); font-weight: 700; }
.field-row dd { margin: 0; color: var(--text); }
.related-list { display: flex; flex-direction: column; }
.related-row {
 display: flex;
 justify-content: space-between;
 gap: 16px;
 align-items: center;
 padding: 16px 4px;
 border-bottom: 1px solid var(--line);
}
.related-row:hover .related-title { color: var(--cyan); }
.related-title { font-weight: 700; line-height: 1.4; }
.related-meta { color: var(--muted); font-size: 13px; white-space: nowrap; }
.qa-list { display: grid; gap: 12px; }
.qa-item { padding: 16px 18px; border-left: 3px solid var(--blue); }
.qa-item h3 { font-size: 18px; line-height: 1.4; font-weight: 700; }
.qa-item p { margin-top: 8px; color: var(--muted); }
.node-rail {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 12px;
}
.node {
 position: relative;
 padding: 18px 16px 16px;
 min-height: 168px;
}
.node-index {
 display: inline-flex;
 min-width: 36px;
 min-height: 28px;
 align-items: center;
 justify-content: center;
 border-radius: 999px;
 background: rgba(47,107,255,.2);
 color: var(--cyan);
 font-size: 12px;
 font-weight: 700;
}
.node h3 { margin-top: 12px; font-size: 18px; line-height: 1.3; font-weight: 700; }
.node p { margin-top: 8px; color: var(--muted); font-size: 14px; }
.action-sec { padding-bottom: 80px; }
.action-bar {
 display: flex;
 justify-content: space-between;
 gap: 18px;
 align-items: center;
 padding: 22px;
}
.action-bar h2 { font-size: 26px; }
.action-bar p { margin-top: 8px; color: var(--muted); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.site-footer {
 border-top: 1px solid var(--line);
 background: rgba(16,26,46,.72);
 backdrop-filter: blur(16px);
}
.footer-bar {
 min-height: 108px;
 display: grid;
 grid-template-columns: 1.2fr 1.4fr auto;
 gap: 18px;
 align-items: center;
 padding: 22px 0;
}
.footer-brand { font-weight: 700; line-height: 1.3; }
.copy-line { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.footer-links a {
 min-height: 44px;
 display: inline-flex;
 align-items: center;
 color: var(--muted);
}
.footer-links a:hover { color: var(--cyan); }
.footer-side a {
 min-height: 44px;
 display: inline-flex;
 align-items: center;
 font-weight: 700;
 color: var(--text);
}
.footer-side a:hover { color: var(--cyan); }
@media (max-width: 1199px) {
 h1 { font-size: 34px; }
 .hero-layout { grid-template-columns: 1.2fr .8fr; }
}
@media (max-width: 900px) {
 .hero-layout, .action-bar, .footer-bar { grid-template-columns: 1fr; display: grid; }
 .action-bar { align-items: flex-start; }
 .node-rail { grid-template-columns: 1fr 1fr; }
 .footer-bar { padding: 28px 0; }
}
@media (max-width: 767px) {
 :root { --pad: 40px; }
 .container { width: min(var(--max), calc(100% - 28px)); }
 .header-bar { grid-template-columns: 1fr auto; min-height: 64px; }
 .menu-btn { display: inline-flex; align-items: center; justify-content: center; }
 .nav-pills {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  flex-direction: column;
  padding: 12px 16px 16px;
  background: rgba(7,11,20,.96);
  border-bottom: 1px solid var(--line);
  gap: 8px;
 }
 .nav-pills.is-open { display: flex; }
 .pill { width: 100%; }
 .hero-layout { grid-template-columns: 1fr; }
 h1 { font-size: 30px; }
 h2 { font-size: 24px; }
 .feed-grid { columns: 1; }
 .field-row { grid-template-columns: 1fr; gap: 4px; }
 .related-row { align-items: flex-start; flex-direction: column; gap: 4px; }
 .related-meta { white-space: normal; }
 .node-rail { grid-template-columns: 1fr; }
 .cat-hero { padding-top: 28px; }
}
@media (max-width: 520px) {
 .logo { font-size: 13px; max-width: 9em; }
 .btn-glow, .btn-ghost, .chip { font-size: 14px; }
 .header-actions .btn-glow { padding: 0 12px; }
 .cover-title { font-size: 16px; }
 .action-bar h2 { font-size: 22px; }
}