/* roulang page: index */
:root {
  --bg: #100E0D;
  --band: #171311;
  --band-2: #201A17;
  --card: #2A221E;
  --text: #F6F1EA;
  --muted: #B7A99E;
  --signal: #FF6A3D;
  --z1: #E7A27A;
  --z2: #8E6BB5;
  --z3: #B6D96A;
  --line: rgba(246,241,234,.14);
  --ink: #1A100C;
  --radius: 16px;
  --pill: 999px;
  --shadow: 0 12px 28px rgba(16,14,13,.42);
  --pad: 84px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, .chip:focus-visible, .btn:focus-visible {
  outline: 2px solid #E7A27A;
  outline-offset: 2px;
}
button, input, textarea {
  font-family: inherit;
  color: inherit;
  background: transparent;
}
h1, h2, h3, h4, p, ul, ol, dl, dd { margin: 0; }
p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }
h1 { font-size: clamp(34px, 4vw, 46px); line-height: 1.25; font-weight: 700; letter-spacing: 0; }
h2 { font-size: clamp(26px, 3vw, 32px); line-height: 1.35; font-weight: 700; }
h3 { font-size: 20px; line-height: 1.45; font-weight: 650; }
::selection { background: var(--signal); color: var(--ink); }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 72px;
  background: rgba(16,14,13,.96);
  border-bottom: 1px solid var(--line);
}
.header-bar {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 0 1 auto;
}
.logo-mark {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  flex: 0 0 auto;
}
.logo-mark i {
  display: block;
  width: 6px;
  border-radius: 999px;
  background: var(--signal);
}
.logo-mark i:nth-child(1) { height: 12px; background: var(--z1); }
.logo-mark i:nth-child(2) { height: 22px; background: var(--z2); }
.logo-mark i:nth-child(3) { height: 16px; background: var(--z3); }
.logo-text {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}
.chips {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 4px 0;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  padding: 7px 14px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.2;
  background: transparent;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.chip:hover { border-color: rgba(246,241,234,.4); transform: translateY(-1px); }
.chip:active { transform: translateY(0); }
.chip.is-active {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
  font-weight: 700;
}
.nav-cta { flex: 0 0 auto; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform .18s ease, filter .18s ease, background .18s ease, border-color .18s ease;
}
.btn-signal {
  background: var(--signal);
  color: var(--ink);
  box-shadow: 0 8px 18px rgba(255,106,61,.22);
}
.btn-signal:hover { transform: translateY(-1px); filter: brightness(1.08); }
.btn-signal:active { transform: translateY(0); filter: brightness(.96); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover { transform: translateY(-1px); border-color: var(--z1); color: var(--z1); }
.btn-ghost:active { transform: translateY(0); }
.band-a { background: var(--band); }
.band-b { background: var(--band-2); }
.band-cta { background: #100E0D; border-top: 1px solid var(--line); }
section { padding: var(--pad) 0; }
section[id] { scroll-margin-top: 88px; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2 { margin-bottom: 12px; }
.lead { color: var(--muted); font-size: 16px; line-height: 1.8; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--z1);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  margin-bottom: 12px;
}
.hero-copy .lead { margin-top: 16px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.stat-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.mini-metric {
  min-width: 120px;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(16,14,13,.35);
}
.mini-metric b {
  display: block;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.mini-metric span { color: var(--muted); font-size: 13px; }
.player {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.player-top, .player-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
}
.player-top { border-bottom: 1px solid var(--line); }
.zone-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  background: transparent;
}
.badge.z1 { color: var(--z1); border-color: rgba(231,162,122,.45); }
.badge.z2 { color: var(--z2); border-color: rgba(142,107,181,.5); }
.badge.z3 { color: var(--z3); border-color: rgba(182,217,106,.45); }
.badge.fill-z1 { background: var(--z1); color: var(--ink); border-color: transparent; }
.badge.signal { background: var(--signal); color: var(--ink); border-color: transparent; }
.player-stage {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  padding: 16px;
  min-height: 230px;
}
.rails { display: flex; align-items: flex-end; gap: 8px; height: 180px; }
.rails span { width: 10px; border-radius: var(--pill); display: block; }
.rails span:nth-child(1) { height: 46%; background: var(--z1); }
.rails span:nth-child(2) { height: 78%; background: var(--z2); }
.rails span:nth-child(3) { height: 58%; background: var(--z3); }
.frame-art {
  border-radius: 12px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(246,241,234,.04), transparent 40%),
    repeating-linear-gradient(90deg, transparent 0 18px, rgba(246,241,234,.04) 18px 19px);
  min-height: 180px;
  position: relative;
  overflow: hidden;
}
.frame-art img, .shot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16/10;
  border-radius: 12px;
  background: #241c18;
}
.progress {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  height: 6px;
  border-radius: var(--pill);
  background: rgba(183,169,158,.28);
}
.progress i {
  display: block;
  height: 100%;
  width: 42%;
  border-radius: inherit;
  background: var(--signal);
}
.time-read {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.entry-chip, .card, .tier, .quote, .note, .def-item, .case, .news-item, .step, .state, .scene-bar {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.entry-chip, .card, .tier, .news-item, .state, .case {
  transition: border-color .2s ease, transform .2s ease;
}
.entry-chip:hover, .card:hover, .tier:hover, .news-item:hover, .state:hover, .case:hover {
  border-color: rgba(246,241,234,.34);
  transform: translateY(-2px);
}
.entry-chip {
  display: block;
  padding: 22px;
  min-height: 180px;
  height: 100%;
}
.entry-chip strong { display: block; font-size: 22px; margin: 12px 0 8px; }
.entry-chip p { color: var(--muted); }
.card { padding: 20px; height: 100%; }
.card p, .case p, .tier li, .note p, .quote p, .def-item dd, .news-item p { color: var(--muted); }
.wide-card { min-height: 100%; }
.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 16px; }
.status-slot {
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(16,14,13,.28);
}
.status-slot b { display: block; font-size: 14px; color: var(--text); }
.status-slot span { font-family: var(--mono); font-size: 12px; color: var(--z1); }
.stack-gap { display: grid; gap: 16px; }
.track-icon { display: inline-flex; align-items: flex-end; gap: 3px; height: 22px; margin-bottom: 10px; }
.track-icon i { width: 4px; border-radius: var(--pill); background: var(--signal); display: block; }
.track-icon i:nth-child(1) { height: 8px; background: var(--z1); }
.track-icon i:nth-child(2) { height: 16px; background: var(--z2); }
.track-icon i:nth-child(3) { height: 12px; background: var(--z3); }
.tool-tall { min-height: 280px; }
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; position: relative; }
.time-point { padding: 18px; border-left: 2px solid var(--line); }
.time-point .when { font-family: var(--mono); color: var(--signal); font-size: 13px; }
.scene-long { padding: 22px; min-height: 220px; }
.scene-bars { display: grid; gap: 10px; margin-top: 14px; }
.scene-bar { padding: 14px 16px; display: grid; grid-template-columns: 92px 1fr; gap: 12px; align-items: center; box-shadow: none; }
.browser {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #140f0d;
  box-shadow: var(--shadow);
}
.browser-bar {
  height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.dots { display: flex; gap: 6px; }
.dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--z1); display: block; }
.dots i:nth-child(2) { background: var(--z2); }
.dots i:nth-child(3) { background: var(--z3); }
.addr {
  flex: 1;
  height: 26px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 12px;
}
.steps { display: grid; gap: 12px; }
.step { padding: 16px; display: grid; grid-template-columns: 36px 1fr; gap: 10px; box-shadow: none; }
.step em {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--signal);
  color: var(--ink);
  font-style: normal;
  font-family: var(--mono);
  font-weight: 700;
}
.state-row { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 6px; scroll-snap-type: x mandatory; }
.state { flex: 0 0 320px; scroll-snap-align: start; padding: 12px; }
.state img { aspect-ratio: 16/10; border-radius: 12px; }
.state h3 { margin: 10px 0 6px; font-size: 18px; }
.case-side { padding: 20px; height: 100%; }
.case h3 { margin: 8px 0; }
.tier { padding: 22px; height: 100%; display: flex; flex-direction: column; }
.tier.is-hot { border-color: rgba(255,106,61,.55); }
.price {
  font-family: var(--mono);
  font-size: 36px;
  line-height: 1.1;
  margin: 10px 0;
}
.price small { font-size: 14px; color: var(--muted); font-family: var(--font); }
.tier-list { list-style: none; padding: 0; margin: 8px 0 18px; }
.tier-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.tier .btn { margin-top: auto; }
.review-wall { columns: 3; column-gap: 14px; }
.quote {
  break-inside: avoid;
  margin: 0 0 14px;
  padding: 16px;
  box-shadow: none;
}
.quote.long { padding-bottom: 28px; }
.quote header { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 8px; color: var(--muted); font-size: 13px; }
.metric-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric {
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(16,14,13,.28);
}
.metric b { display: block; font-size: 22px; margin: 6px 0; }
.metric span { color: var(--muted); font-size: 14px; }
.voice { margin-top: 14px; padding: 18px 20px; }
.news-item {
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 14px;
  padding: 12px;
  margin-bottom: 12px;
  color: inherit;
}
.news-item img { aspect-ratio: 16/10; border-radius: 12px; height: 100%; }
.more-row { margin-top: 8px; }
.note { padding: 22px; height: 100%; }
.excerpt { padding: 14px 0; border-bottom: 1px solid var(--line); }
.excerpt:last-child { border-bottom: 0; }
.excerpt a { color: var(--text); font-weight: 700; }
.excerpt a:hover { color: var(--z1); }
.def-list { display: grid; gap: 12px; }
.def-item { padding: 18px 20px; display: grid; grid-template-columns: 88px 1fr; gap: 12px; box-shadow: none; }
.def-item dt { font-weight: 700; }
.def-item dd { margin: 0; }
.cta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 8px 0;
}
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.site-footer {
  background: #0c0a09;
  border-top: 1px solid var(--line);
  padding: 28px 0 36px;
}
.footer-bar { display: flex; justify-content: space-between; gap: 18px; align-items: center; flex-wrap: wrap; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }
.copy { color: var(--muted); font-size: 13px; }
@media (max-width: 1023px) {
  :root { --pad: 64px; }
  .review-wall { columns: 2; }
  .metric-board { grid-template-columns: repeat(2, 1fr); }
  .player-stage { grid-template-columns: 56px 1fr; }
  .scene-long { min-height: 0; }
}
@media (max-width: 639px) {
  :root { --pad: 48px; }
  body { font-size: 16px; }
  .wrap { width: min(1120px, calc(100% - 28px)); }
  .logo-text { font-size: 12px; max-width: 9.2em; white-space: normal; }
  .header-bar { gap: 8px; }
  .nav-cta { padding: 0 12px; min-height: 36px; font-size: 13px; }
  .timeline, .status-grid, .metric-board { grid-template-columns: 1fr; }
  .review-wall { columns: 1; }
  .news-item, .scene-bar, .def-item, .cta-bar, .player-stage { grid-template-columns: 1fr; display: grid; }
  .state-row { flex-direction: column; overflow: visible; }
  .state { flex-basis: auto; }
  .rails { height: 72px; }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .tool-tall { min-height: 0; }
}

/* roulang page: category1 */
:root {
 --bg: #100E0D;
 --band: #171311;
 --band-2: #201A17;
 --card: #2A221E;
 --text: #F6F1EA;
 --muted: #B7A99E;
 --signal: #FF6A3D;
 --z1: #E7A27A;
 --z2: #8E6BB5;
 --z3: #B6D96A;
 --line: rgba(246,241,234,.14);
 --ink: #1A100C;
 --radius: 16px;
 --pill: 999px;
 --shadow: 0 12px 28px rgba(16,14,13,.42);
 --pad: 84px;
 --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
 --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--text);
 font-family: var(--font);
 font-size: 17px;
 line-height: 1.8;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, .chip:focus-visible, .btn:focus-visible, summary:focus-visible {
 outline: 2px solid #E7A27A;
 outline-offset: 2px;
}
button, input, textarea, select {
 font-family: inherit;
 color: inherit;
 background: transparent;
 border: 0;
}
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3 { color: var(--text); font-weight: 700; line-height: 1.35; letter-spacing: 0; }
h1 { font-size: 40px; }
h2 { font-size: 28px; }
h3 { font-size: 20px; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
.wrap {
 width: min(1120px, calc(100% - 40px));
 margin: 0 auto;
}
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 height: 72px;
 background: rgba(16,14,13,.96);
 border-bottom: 1px solid var(--line);
}
.header-bar {
 height: 72px;
 display: flex;
 align-items: center;
 gap: 18px;
}
.brand {
 display: flex;
 align-items: center;
 gap: 10px;
 min-width: 0;
 flex: 0 1 auto;
 color: var(--text);
}
.logo-mark {
 width: 28px;
 height: 28px;
 display: inline-flex;
 align-items: flex-end;
 gap: 3px;
 flex: 0 0 auto;
}
.logo-mark i {
 display: block;
 width: 6px;
 border-radius: 999px;
 background: var(--signal);
}
.logo-mark i:nth-child(1) { height: 12px; background: var(--z1); }
.logo-mark i:nth-child(2) { height: 22px; background: var(--z2); }
.logo-mark i:nth-child(3) { height: 16px; background: var(--z3); }
.logo-text {
 font-size: 14px;
 font-weight: 700;
 line-height: 1.25;
 color: var(--text);
}
.chips {
 display: flex;
 align-items: center;
 gap: 8px;
 flex: 1 1 auto;
 min-width: 0;
 overflow-x: auto;
 scrollbar-width: none;
 padding: 4px 0;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
 flex: 0 0 auto;
 border: 1px solid var(--line);
 border-radius: var(--pill);
 padding: 7px 14px;
 color: var(--text);
 font-size: 14px;
 line-height: 1.2;
 background: transparent;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.chip:hover { border-color: rgba(246,241,234,.4); transform: translateY(-1px); }
.chip:active { transform: translateY(0); }
.chip.is-active {
 background: var(--signal);
 border-color: var(--signal);
 color: var(--ink);
 font-weight: 700;
}
.nav-cta { flex: 0 0 auto; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 6px;
 min-height: 42px;
 padding: 0 18px;
 border-radius: var(--pill);
 border: 1px solid transparent;
 font-size: 15px;
 font-weight: 700;
 line-height: 1;
 cursor: pointer;
 transition: transform .18s ease, filter .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn-signal {
 background: var(--signal);
 color: var(--ink);
 box-shadow: 0 8px 18px rgba(255,106,61,.22);
}
.btn-signal:hover { transform: translateY(-1px); filter: brightness(1.08); }
.btn-signal:active { transform: translateY(0); filter: brightness(.96); }
.btn-ghost {
 background: transparent;
 color: var(--text);
 border-color: var(--line);
}
.btn-ghost:hover { transform: translateY(-1px); border-color: var(--z1); color: var(--z1); }
.btn-ghost:active { transform: translateY(0); }
.band-a { background: var(--band); }
.band-b { background: var(--band-2); }
.band-cta { background: #100E0D; border-top: 1px solid var(--line); }
section { padding: var(--pad) 0; }
section[id] { scroll-margin-top: 88px; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2 { margin-bottom: 12px; }
.lead { color: var(--muted); font-size: 16px; line-height: 1.8; }
.crumb {
 display: flex;
 flex-wrap: wrap;
 gap: 8px;
 align-items: center;
 color: var(--muted);
 font-size: 13px;
 margin-bottom: 16px;
}
.crumb a:hover { color: var(--z1); }
.crumb i {
 width: 4px;
 height: 4px;
 border-radius: 50%;
 background: var(--z1);
 display: inline-block;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.zone-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.badge {
 display: inline-flex;
 align-items: center;
 height: 26px;
 padding: 0 10px;
 border-radius: var(--pill);
 border: 1px solid var(--line);
 font-size: 12px;
 font-weight: 700;
 color: var(--text);
 background: transparent;
 letter-spacing: 0;
}
.badge.z1 { color: var(--z1); border-color: rgba(231,162,122,.45); }
.badge.z2 { color: var(--z2); border-color: rgba(142,107,181,.5); }
.badge.z3 { color: var(--z3); border-color: rgba(182,217,106,.45); }
.badge.fill-z1 { background: var(--z1); color: var(--ink); border-color: transparent; }
.badge.signal { background: var(--signal); color: var(--ink); border-color: transparent; }
.metric-board {
 display: grid;
 gap: 10px;
 padding: 14px;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.metric {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 min-height: 64px;
 padding: 12px 14px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: #241c18;
}
.metric span {
 color: var(--muted);
 font-size: 13px;
}
.metric strong {
 font-family: var(--mono);
 font-size: 16px;
 font-weight: 700;
 color: var(--text);
 text-align: right;
}
.metric em {
 font-style: normal;
 color: var(--z1);
 margin-right: 8px;
 font-family: var(--mono);
 font-size: 12px;
}
.shot {
 width: 100%;
 height: auto;
 aspect-ratio: 16/10;
 object-fit: cover;
 border-radius: 12px;
 background: #241c18;
 border: 1px solid var(--line);
}
.card, .wide-row, .path-node, .def-row, .time-node, .quote, .faq-item, .resume-panel {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.wide-row, .path-node, .time-node, .quote, .faq-item {
 transition: border-color .2s ease, transform .2s ease;
}
.wide-row:hover, .path-node:hover, .time-node:hover, .quote:hover, .faq-item:hover {
 border-color: rgba(246,241,234,.34);
 transform: translateY(-2px);
}
.filter-line {
 display: flex;
 flex-wrap: wrap;
 gap: 8px;
 margin-bottom: 16px;
}
.filter-tag {
 display: inline-flex;
 align-items: center;
 height: 32px;
 padding: 0 12px;
 border-radius: var(--pill);
 border: 1px solid var(--line);
 color: var(--muted);
 font-size: 13px;
 background: transparent;
}
.filter-tag.is-on {
 color: var(--ink);
 background: var(--z1);
 border-color: transparent;
 font-weight: 700;
}
.list-stack { display: flex; flex-direction: column; gap: 12px; }
.wide-row {
 display: grid;
 grid-template-columns: minmax(0, 1fr) 168px;
 gap: 18px;
 padding: 20px 20px 20px 22px;
 position: relative;
 align-items: center;
}
.wide-row::before {
 content: "";
 position: absolute;
 left: 0;
 top: 16px;
 bottom: 16px;
 width: 3px;
 border-radius: var(--pill);
 background: var(--z1);
}
.wide-row h3 { margin: 8px 0; }
.wide-row h3 a:hover { color: var(--z1); }
.wide-row p { color: var(--muted); font-size: 15px; }
.row-side {
 display: grid;
 gap: 8px;
 justify-items: end;
 color: var(--muted);
 font-family: var(--mono);
 font-size: 12px;
}
.more-row {
 display: flex;
 justify-content: flex-end;
 margin-top: 16px;
}
.more-link {
 display: inline-flex;
 align-items: center;
 min-height: 40px;
 padding: 0 16px;
 border-radius: var(--pill);
 border: 1px solid var(--line);
 color: var(--text);
 font-weight: 700;
 font-size: 14px;
 transition: transform .18s ease, border-color .18s ease, color .18s ease;
}
.more-link:hover { transform: translateY(-1px); border-color: var(--z1); color: var(--z1); }
.more-link:active { transform: translateY(0); }
.path-rail { display: grid; gap: 12px; }
.path-node { display: grid; grid-template-columns: 52px 1fr; gap: 12px; padding: 18px; }
.path-index {
 width: 52px;
 height: 52px;
 border-radius: 14px;
 display: flex;
 align-items: center;
 justify-content: center;
 border: 1px solid rgba(231,162,122,.45);
 color: var(--z1);
 font-family: var(--mono);
 font-weight: 700;
 background: #241c18;
}
.path-node p { color: var(--muted); margin-top: 6px; }
.side-note { padding: 22px; height: 100%; }
.side-note p { color: var(--muted); margin-top: 10px; }
.clarity-list { display: grid; gap: 10px; }
.def-row { padding: 16px 18px; }
.def-row dt {
 font-weight: 700;
 color: var(--text);
 display: flex;
 align-items: center;
 gap: 8px;
}
.def-row dt i {
 width: 8px;
 height: 8px;
 border-radius: 50%;
 background: var(--z1);
 display: inline-block;
}
.def-row dd { color: var(--muted); margin-top: 6px; }
.resume-panel { padding: 16px; }
.resume-top {
 display: flex;
 justify-content: space-between;
 gap: 10px;
 align-items: center;
 margin-bottom: 12px;
 color: var(--muted);
 font-size: 13px;
}
.track {
 height: 8px;
 border-radius: var(--pill);
 background: #3a302a;
 overflow: hidden;
}
.track i {
 display: block;
 height: 100%;
 width: 62%;
 border-radius: inherit;
 background: var(--signal);
}
.resume-meta {
 display: flex;
 justify-content: space-between;
 margin-top: 10px;
 color: var(--muted);
 font-family: var(--mono);
 font-size: 12px;
}
.shot-wrap { margin-bottom: 12px; }
.timeline {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 14px;
 position: relative;
}
.timeline::before {
 content: "";
 position: absolute;
 left: 24px;
 right: 24px;
 top: 28px;
 height: 1px;
 background: var(--line);
}
.time-node { padding: 18px; position: relative; }
.time-k {
 font-family: var(--mono);
 font-size: 12px;
 color: var(--z1);
 font-weight: 700;
}
.time-node h3 { margin: 8px 0; }
.time-node p { color: var(--muted); font-size: 15px; }
.quote-wall { columns: 2; column-gap: 14px; }
.quote {
 break-inside: avoid;
 display: inline-block;
 width: 100%;
 margin: 0 0 14px;
 padding: 18px 18px 16px;
}
.quote header {
 display: flex;
 justify-content: space-between;
 gap: 8px;
 align-items: center;
 margin-bottom: 10px;
}
.quote p { color: var(--muted); }
.quote footer { margin-top: 12px; color: var(--text); font-size: 14px; font-weight: 700; }
.faq-list { display: grid; gap: 10px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item summary {
 cursor: pointer;
 list-style: none;
 padding: 16px 18px;
 font-weight: 700;
 font-size: 18px;
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
 content: "+";
 color: var(--z1);
 font-family: var(--mono);
 font-weight: 700;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item[open] summary { border-bottom: 1px solid var(--line); }
.faq-item .faq-a { padding: 14px 18px 18px; color: var(--muted); }
.cta-bar {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 22px;
 padding: 28px;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 background: #171311;
 box-shadow: var(--shadow);
}
.cta-bar h2 { margin-bottom: 8px; }
.cta-bar p { color: var(--muted); max-width: 640px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 10px; flex: 0 0 auto; }
.site-footer {
 background: #100E0D;
 border-top: 1px solid var(--line);
 padding: 28px 0;
}
.footer-bar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 flex-wrap: wrap;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a {
 color: var(--muted);
 font-size: 14px;
}
.footer-links a:hover { color: var(--z1); }
.copy { color: var(--muted); font-size: 13px; margin: 0; }
@media (max-width: 1023px) {
 h1 { font-size: 34px; }
 h2 { font-size: 26px; }
 .logo-text { max-width: 34vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
 .timeline::before { display: none; }
}
@media (max-width: 767px) {
 :root { --pad: 48px; }
 .wrap { width: min(1120px, calc(100% - 28px)); }
 .wide-row, .path-node { grid-template-columns: 1fr; }
 .row-side { justify-items: start; }
 .timeline { grid-template-columns: 1fr; }
 .quote-wall { columns: 1; }
 .cta-bar { flex-direction: column; align-items: flex-start; }
 .header-bar { gap: 8px; }
 .nav-cta { padding: 0 12px; min-height: 38px; font-size: 13px; }
}
@media (max-width: 519px) {
 h1 { font-size: 30px; }
 h2 { font-size: 24px; }
 body { font-size: 16px; }
 .logo-text { max-width: 28vw; font-size: 12px; }
 .metric { align-items: flex-start; flex-direction: column; }
 .metric strong { text-align: left; }
}

/* roulang page: category2 */
:root {
 --bg: #100E0D;
 --band: #171311;
 --band-2: #201A17;
 --card: #2A221E;
 --text: #F6F1EA;
 --muted: #B7A99E;
 --signal: #FF6A3D;
 --z1: #E7A27A;
 --z2: #8E6BB5;
 --z3: #B6D96A;
 --line: rgba(246,241,234,.14);
 --ink: #1A100C;
 --radius: 16px;
 --pill: 999px;
 --shadow: 0 12px 28px rgba(16,14,13,.42);
 --pad: 84px;
 --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
 --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--text);
 font-family: var(--font);
 font-size: 17px;
 line-height: 1.8;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { font-family: var(--font); color: var(--text); letter-spacing: 0; }
h1 { font-size: 40px; line-height: 1.28; font-weight: 800; margin: 0 0 14px; }
h2 { font-size: 30px; line-height: 1.35; font-weight: 750; margin: 0 0 12px; }
h3 { font-size: 20px; line-height: 1.45; font-weight: 700; margin: 0 0 8px; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, textarea {
 font-family: inherit;
 color: inherit;
 background: transparent;
 border: 1px solid var(--line);
 border-radius: var(--pill);
}
input, textarea { min-height: 42px; padding: 0 14px; }
a:focus-visible, button:focus-visible, .chip:focus-visible, .btn:focus-visible, input:focus-visible {
 outline: 2px solid #E7A27A;
 outline-offset: 2px;
}
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 height: 72px;
 background: rgba(16,14,13,.96);
 border-bottom: 1px solid var(--line);
}
.header-bar { height: 72px; display: flex; align-items: center; gap: 18px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 0 1 auto; }
.logo-mark { width: 28px; height: 28px; display: inline-flex; align-items: flex-end; gap: 3px; flex: 0 0 auto; }
.logo-mark i { display: block; width: 6px; border-radius: 999px; background: var(--signal); }
.logo-mark i:nth-child(1) { height: 12px; background: var(--z1); }
.logo-mark i:nth-child(2) { height: 22px; background: var(--z2); }
.logo-mark i:nth-child(3) { height: 16px; background: var(--z3); }
.logo-text { font-size: 14px; font-weight: 700; line-height: 1.25; color: var(--text); }
.chips { display: flex; align-items: center; gap: 8px; flex: 1 1 auto; min-width: 0; overflow-x: auto; scrollbar-width: none; padding: 4px 0; }
.chips::-webkit-scrollbar { display: none; }
.chip {
 flex: 0 0 auto;
 border: 1px solid var(--line);
 border-radius: var(--pill);
 padding: 7px 14px;
 color: var(--text);
 font-size: 14px;
 line-height: 1.2;
 background: transparent;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.chip:hover { border-color: rgba(246,241,234,.4); transform: translateY(-1px); }
.chip:active { transform: translateY(0); }
.chip.is-active { background: var(--signal); border-color: var(--signal); color: var(--ink); font-weight: 700; }
.nav-cta { flex: 0 0 auto; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 6px;
 min-height: 42px;
 padding: 0 18px;
 border-radius: var(--pill);
 border: 1px solid transparent;
 font-size: 15px;
 font-weight: 700;
 line-height: 1;
 cursor: pointer;
 transition: transform .18s ease, filter .18s ease, background .18s ease, border-color .18s ease;
}
.btn-signal { background: var(--signal); color: var(--ink); box-shadow: 0 8px 18px rgba(255,106,61,.22); }
.btn-signal:hover { transform: translateY(-1px); filter: brightness(1.08); }
.btn-signal:active { transform: translateY(0); filter: brightness(.96); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { transform: translateY(-1px); border-color: var(--z1); color: var(--z1); }
.btn-ghost:active { transform: translateY(0); }
section { padding: var(--pad) 0; }
section[id] { scroll-margin-top: 88px; }
.band-a { background: var(--band); }
.band-b { background: var(--band-2); }
.band-cta { background: #100E0D; border-top: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.lead { color: var(--muted); font-size: 16px; line-height: 1.8; margin: 0; }
.split-head { display: flex; justify-content: space-between; gap: 28px; align-items: flex-end; margin-bottom: 28px; }
.split-head .lead { max-width: 420px; }
.badge {
 display: inline-flex;
 align-items: center;
 height: 26px;
 padding: 0 10px;
 border-radius: var(--pill);
 border: 1px solid var(--line);
 font-size: 12px;
 font-weight: 700;
 color: var(--text);
 background: transparent;
}
.badge.z1 { color: var(--z1); border-color: rgba(231,162,122,.45); }
.badge.z2 { color: var(--z2); border-color: rgba(142,107,181,.5); }
.badge.z3 { color: var(--z3); border-color: rgba(182,217,106,.45); }
.badge.signal { background: var(--signal); color: var(--ink); border-color: transparent; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.meter-card, .compare-row, .scene-card, .quote, .note-row, .keep-card, .cta-panel, .density {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.meter-card { padding: 16px; }
.shot {
 width: 100%;
 aspect-ratio: 16/10;
 object-fit: cover;
 border-radius: 12px;
 background: #241c18;
 border: 1px solid var(--line);
}
.zone-line { display: grid; grid-template-columns: 46px 1fr; gap: 10px; align-items: center; margin-top: 12px; }
.zone-line b { font-family: var(--mono); font-size: 13px; font-weight: 700; }
.zone-line b.z2 { color: var(--z2); }
.zone-line b.z3 { color: var(--z3); }
.rail { height: 8px; border-radius: var(--pill); background: rgba(246,241,234,.08); border: 1px solid var(--line); overflow: hidden; }
.rail i { display: block; height: 100%; border-radius: inherit; }
.rail.z2 i { width: 76%; background: var(--z2); }
.rail.z3 i { width: 52%; background: var(--z3); }
.slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; }
.slot { border: 1px solid var(--line); border-radius: 12px; padding: 8px 10px; background: rgba(16,14,13,.28); }
.slot span { display: block; color: var(--muted); font-size: 12px; line-height: 1.4; }
.slot strong { display: block; font-family: var(--mono); font-size: 13px; font-weight: 700; }
.compare-stack { display: flex; flex-direction: column; gap: 14px; }
.compare-row { padding: 22px; transition: border-color .2s ease, transform .2s ease; }
.compare-row:hover { border-color: rgba(246,241,234,.34); transform: translateY(-2px); }
.summary-pane { height: 100%; padding: 6px 4px 6px 16px; border-left: 3px solid var(--z2); }
.compare-row:nth-child(even) .summary-pane { border-left-color: var(--z3); }
.summary-pane .k { margin: 0 0 8px; font-size: 13px; color: var(--text); font-weight: 700; }
.mark-list li { position: relative; padding-left: 16px; margin: 8px 0; color: var(--muted); }
.mark-list li::before {
 content: "";
 width: 6px; height: 6px; border-radius: 50%;
 background: var(--signal);
 position: absolute; left: 0; top: .72em;
}
.time-rail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; position: relative; }
.time-rail::before {
 content: "";
 position: absolute;
 left: 6%; right: 6%; top: 28px;
 height: 2px;
 background: rgba(246,241,234,.16);
}
.scene-card { position: relative; padding: 18px 18px 16px; min-height: 210px; }
.scene-card .num { font-family: var(--mono); font-size: 13px; color: var(--signal); font-weight: 700; }
.scene-card p { color: var(--muted); margin: 8px 0 0; }
.clarity-copy p, .keep-card p, .quote p, .note-row p, .compare-row p { color: var(--muted); }
.density { padding: 16px; display: grid; gap: 16px; }
.density-col { border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.lines { display: grid; gap: 8px; margin-top: 12px; }
.lines i { display: block; height: 8px; border-radius: var(--pill); background: rgba(142,107,181,.85); }
.lines i:nth-child(1) { width: 92%; }
.lines i:nth-child(2) { width: 84%; }
.lines i:nth-child(3) { width: 70%; }
.lines i:nth-child(4) { width: 58%; }
.lines.light i { background: rgba(182,217,106,.9); height: 6px; }
.lines.light i:nth-child(1) { width: 64%; }
.lines.light i:nth-child(2) { width: 48%; }
.lines.light i:nth-child(3) { width: 36%; }
.keep-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 14px; }
.keep-card { padding: 20px; height: 100%; }
.keep-card + .keep-card { margin-top: 14px; }
.mono-label { font-family: var(--mono); font-size: 12px; color: var(--z2); font-weight: 700; }
.keep-card.alt .mono-label { color: var(--z3); }
.voice-wall { columns: 2; column-gap: 14px; }
.quote { break-inside: avoid; margin: 0 0 14px; padding: 18px; display: inline-block; width: 100%; }
.quote footer { margin-top: 12px; color: var(--muted); font-size: 13px; }
.note-list { display: flex; flex-direction: column; gap: 12px; }
.note-row {
 display: grid;
 grid-template-columns: 1.3fr .9fr;
 gap: 18px;
 align-items: center;
 padding: 18px 20px;
 transition: border-color .2s ease, transform .2s ease;
}
.note-row:hover { border-color: rgba(246,241,234,.34); transform: translateY(-2px); }
.note-row p { margin: 0; }
.cta-panel {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 24px;
 padding: 28px;
}
.cta-panel h2 { margin-bottom: 8px; }
.cta-panel .lead { max-width: 640px; }
.faq { border-top: 1px solid var(--line); padding-top: 12px; }
.faq dt { font-weight: 700; }
.faq dd { margin: 0 0 12px; color: var(--muted); }
.site-footer { background: #100E0D; border-top: 1px solid var(--line); padding-top: 28px; }
.footer-bar { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding-bottom: 28px; }
.footer-links { display: flex; gap: 16px; flex: 1; }
.footer-links a { color: var(--muted); font-size: 14px; }
.footer-links a:hover { color: var(--text); }
.copy { margin: 0; color: var(--muted); font-size: 13px; }
@media (max-width: 1023px) {
 :root { --pad: 64px; }
 h1 { font-size: 34px; }
 h2 { font-size: 26px; }
 .split-head, .keep-grid, .note-row, .cta-panel { display: block; }
 .note-row p, .keep-card + .keep-card { margin-top: 10px; }
 .summary-pane { border-left: 0; border-top: 3px solid var(--z2); padding: 14px 0 0; margin-top: 8px; }
}
@media (max-width: 768px) {
 :root { --pad: 52px; }
 .time-rail { grid-template-columns: 1fr; }
 .time-rail::before { display: none; }
 .voice-wall { columns: 1; }
 .logo-text { font-size: 12px; max-width: 34vw; }
 .header-bar { gap: 8px; }
}
@media (max-width: 520px) {
 :root { --pad: 44px; }
 body { font-size: 16px; }
 h1 { font-size: 28px; }
 h2 { font-size: 24px; }
 .wrap { width: min(1120px, calc(100% - 28px)); }
 .slots { grid-template-columns: 1fr; }
 .nav-cta { padding: 0 12px; min-height: 38px; }
 .footer-links { flex-basis: 100%; }
}