/* roulang page: index */
:root {
  --bg: #141210;
  --surface: #1C1916;
  --ink: #F4EFE6;
  --muted: #C4B6A6;
  --faint: #8F8274;
  --line: #3A342C;
  --amber: #C6A36A;
  --sage: #7E8F86;
  --plum: #8C5E66;
  --card: 2px;
  --pill: 999px;
  --dock: 0 12px 36px rgba(0, 0, 0, .32);
  --pad: 4.75rem;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  padding-top: 112px;
}
img, svg { max-width: 100%; display: block; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--amber); color: var(--bg); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: var(--pad) 0; border-top: 1px solid var(--line); }
.section:first-child { border-top: 0; }
.kicker {
  color: var(--sage);
  font-size: 12px;
  letter-spacing: .18em;
  margin-bottom: 12px;
}
.section-title {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.25;
  letter-spacing: -.03em;
  font-weight: 700;
  max-width: 18em;
}
.section-lead {
  color: var(--muted);
  max-width: 42em;
  margin-top: 14px;
}
.dock-wrap {
  position: fixed;
  z-index: 40;
  top: 18px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.dock {
  pointer-events: auto;
  width: min(980px, calc(100% - 28px));
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 8px 8px 16px;
  background: #1A1714;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  box-shadow: var(--dock);
}
.logo {
  font-family: "Noto Serif SC", serif;
  font-size: 14px;
  letter-spacing: -.02em;
  white-space: nowrap;
  margin-right: 6px;
}
.logo-short { display: none; }
.dock-links { display: flex; align-items: center; gap: 2px; flex: 1; }
.nav-link {
  position: relative;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 14px;
  border-radius: var(--pill);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: 12px calc(100% - 8px);
  transition: color .25s ease, background-size .25s ease, opacity .25s ease;
}
.nav-link:hover { color: var(--ink); background-size: calc(100% - 24px) 1px; }
.nav-link.is-active { color: var(--amber); }
.nav-short { display: none; }
.icon-btn, .btn {
  border: 0;
  cursor: pointer;
  transition: opacity .25s ease, transform .25s ease, background-color .25s ease, border-color .25s ease;
}
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--pill);
  background: transparent;
  border: 1px solid transparent;
  display: grid;
  place-items: center;
  color: var(--ink);
}
.icon-btn:hover { opacity: .75; border-color: var(--line); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--pill);
  font-size: 14px;
  white-space: nowrap;
}
.btn-solid { background: var(--amber); color: #1A140C; }
.btn-line { background: transparent; color: var(--ink); border: 1px solid rgba(244, 239, 230, .78); }
.btn:hover { opacity: .86; }
.btn:active { opacity: .72; }
.btn-short { display: none; }
.search-panel {
  position: fixed;
  z-index: 39;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  width: min(440px, calc(100% - 28px));
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 14px;
}
.search-panel[hidden] { display: none; }
.search-row { display: flex; gap: 8px; }
.search-row input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  padding: 10px 14px;
  outline: none;
}
.search-row input:focus { border-color: var(--amber); }
.search-state { min-height: 1.5em; margin-top: 8px; color: var(--sage); font-size: 13px; }
.hero-bento {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr;
  grid-template-areas:
    "main player player"
    "main mini1 mini2"
    "bar bar bar";
  gap: 12px;
  align-items: stretch;
}
.hero-main, .hero-player, .hero-mini, .hero-bar, .card, .channel-card, .feat, .price-card, .case-item, .frame, .spec-col, .faq-item, .article-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--card);
}
.hero-main { grid-area: main; padding: clamp(22px, 3vw, 40px); }
.hero-player { grid-area: player; padding: 12px; display: flex; flex-direction: column; min-height: 240px; }
.mini1 { grid-area: mini1; }
.mini2 { grid-area: mini2; }
.hero-mini { padding: 16px 16px 18px; }
.hero-bar {
  grid-area: bar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px 12px 18px;
}
h1 {
  font-family: "Noto Serif SC", serif;
  font-weight: 700;
  font-size: clamp(2.5rem, 6.4vw, 5.15rem);
  line-height: .98;
  letter-spacing: -.045em;
  margin: 8px 0 12px;
}
.subhead { font-size: 1.05rem; color: var(--ink); }
.hero-copy { color: var(--muted); margin-top: 16px; max-width: 40em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  padding: 2px 8px;
  font-size: 12px;
  color: var(--muted);
}
.badge-18 { color: #E4D2D5; border-color: var(--plum); background: rgba(140, 94, 102, .18); }
.player-top, .player-bottom, .subbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}
.player-stage {
  flex: 1;
  margin: 10px 0;
  min-height: 150px;
  border: 1px solid var(--line);
  background:
    linear-gradient(#141210, #141210) 12px 18px / 18px 72% no-repeat,
    #24201C;
  position: relative;
}
.player-stage::before, .player-stage::after {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  width: 8px;
  background: repeating-linear-gradient(var(--bg) 0 8px, transparent 8px 16px);
}
.player-stage::before { left: 0; }
.player-stage::after { right: 0; }
.stage-mark {
  position: absolute;
  left: 28px;
  bottom: 16px;
  color: var(--sage);
  font-size: 12px;
  letter-spacing: .08em;
}
.timecode { font-variant-numeric: tabular-nums; letter-spacing: .04em; color: var(--amber); }
.track { height: 2px; background: #3A342C; margin: 8px 0; position: relative; }
.track span { position: absolute; left: 0; top: 0; bottom: 0; width: 42%; background: var(--amber); }
.subbar { border-top: 1px solid var(--line); padding-top: 8px; color: var(--ink); }
.mini-label { color: var(--amber); font-size: 13px; }
.mini-copy { color: var(--muted); font-size: 14px; margin-top: 6px; }
.bar-meta { color: var(--muted); font-size: 14px; }
.channel-grid { display: grid; grid-template-columns: 1.45fr .8fr; gap: 12px; margin-top: 28px; }
.channel-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 230px;
  padding: 22px;
  transition: transform .25s ease, opacity .25s ease;
}
.channel-card:hover { transform: translateY(-2px); opacity: .92; }
.channel-card h3 { font-family: "Noto Serif SC", serif; font-size: clamp(1.4rem, 2vw, 2rem); letter-spacing: -.03em; line-height: 1.3; }
.meta-row { display: flex; gap: 16px; color: var(--sage); font-size: 13px; margin-top: 18px; }
.card-text { color: var(--muted); margin-top: 12px; }
.bento { display: grid; grid-template-columns: 1.3fr .8fr .9fr; grid-template-areas: "a a b" "c d d"; gap: 12px; margin-top: 28px; }
.feat { padding: 22px; min-height: 180px; transition: transform .25s ease, opacity .25s ease; }
.feat:hover { transform: translateY(-2px); opacity: .94; }
.feat h3 { font-family: "Noto Serif SC", serif; font-size: 1.45rem; letter-spacing: -.03em; }
.f1 { grid-area: a; }
.f2 { grid-area: b; }
.f3 { grid-area: c; }
.f4 { grid-area: d; }
.timeline { margin-top: 28px; display: grid; gap: 0; }
.time-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.time-item time { color: var(--amber); font-variant-numeric: tabular-nums; }
.time-item h3 { font-family: "Noto Serif SC", serif; font-size: 1.35rem; }
.demo-stage { margin-top: 28px; padding: 14px; }
.demo-screen {
  min-height: 360px;
  border: 1px solid var(--line);
  background: #171512;
  padding: 18px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 12px;
}
.demo-mid {
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1.4fr .6fr;
}
.demo-block { background: #221E1A; }
.demo-side { border-left: 1px solid var(--line); padding: 16px; color: var(--muted); }
.cases { margin-top: 28px; display: grid; gap: 12px; }
.case-item { padding: 18px 20px; width: min(760px, 100%); transition: transform .25s ease, opacity .25s ease; }
.case-item:hover { transform: translateY(-2px); }
.case-item:nth-child(2) { margin-left: 8%; }
.case-item:nth-child(3) { margin-left: 16%; }
.case-item h3 { font-family: "Noto Serif SC", serif; font-size: 1.25rem; }
.price-grid { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr .62fr; gap: 12px; align-items: stretch; }
.price-card, .price-note { padding: 22px; }
.is-hot { border-color: var(--amber); }
.price-card h3, .price-note h3 { font-family: "Noto Serif SC", serif; font-size: 1.6rem; }
.price-list { margin-top: 14px; display: grid; gap: 8px; color: var(--muted); }
.price-list li { padding-left: 14px; position: relative; }
.price-list li::before { content: ""; width: 6px; height: 6px; border-radius: 99px; background: var(--sage); position: absolute; left: 0; top: .7em; }
.ticket-row {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 6px;
}
.ticket {
  flex: 0 0 260px;
  scroll-snap-align: start;
  border: 1px dashed #4A433A;
  border-radius: 2px;
  padding: 16px;
  background: #191613;
  min-height: 150px;
}
.stars { color: var(--amber); letter-spacing: .12em; font-size: 12px; }
.ticket p { margin-top: 10px; }
.voice-grid { margin-top: 28px; display: grid; grid-template-columns: 1.55fr .8fr; gap: 22px; }
.voice-quote {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.7rem, 3vw, 2.55rem);
  line-height: 1.45;
  letter-spacing: -.03em;
}
.side-notes { display: grid; gap: 12px; align-content: start; }
.side-note { border-top: 1px solid var(--line); padding-top: 10px; color: var(--muted); }
.news-list { margin-top: 22px; }
.news-item {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: 112px 100%;
  transition: background-size .25s ease, opacity .25s ease;
}
.news-item:hover { background-size: calc(100% - 112px) 1px; opacity: .9; }
.news-item time, .more { color: var(--sage); font-size: 13px; }
.open-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #191613;
}
.film-row { margin-top: 28px; display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; }
.frame { flex: 0 0 210px; padding: 10px; }
.frame-visual { height: 92px; background: #241F1B; border: 1px solid var(--line); position: relative; }
.frame-visual::before, .frame-visual::after {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  width: 7px;
  background: repeating-linear-gradient(#141210 0 7px, transparent 7px 14px);
}
.frame-visual::before { left: 0; }
.frame-visual::after { right: 0; }
.frame h3 { margin-top: 10px; font-size: 1rem; font-family: "Noto Serif SC", serif; }
.spec-grid { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.spec-col { padding: 20px; }
.spec-col h3 { font-family: "Noto Serif SC", serif; font-size: 1.4rem; margin-bottom: 8px; }
.spec-row { padding: 12px 0; border-top: 1px solid var(--line); color: var(--muted); }
.spec-row strong { display: block; color: var(--ink); font-weight: 500; }
.check-list { margin-top: 22px; display: grid; gap: 10px; }
.check-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.check-item i {
  width: 16px;
  height: 16px;
  margin-top: 6px;
  border: 1px solid var(--sage);
  display: inline-block;
  position: relative;
}
.check-item i::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 3px;
  width: 8px;
  height: 5px;
  border-left: 1px solid var(--amber);
  border-bottom: 1px solid var(--amber);
  transform: rotate(-45deg);
}
.faq-list { margin-top: 22px; }
.faq-item { margin-top: 8px; }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 18px;
  font-family: "Noto Serif SC", serif;
  font-size: 1.15rem;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--amber); }
.faq-item[open] summary::after { content: "–"; }
.faq-a { padding: 0 18px 16px; color: var(--muted); }
.article-grid { margin-top: 22px; display: grid; gap: 12px; }
.article-card {
  display: block;
  padding: 18px 20px;
  transition: transform .25s ease, opacity .25s ease;
}
.article-card:hover { transform: translateY(-2px); opacity: .92; }
.article-card h3 { font-family: "Noto Serif SC", serif; font-size: 1.3rem; }
.site-footer { border-top: 1px solid var(--line); padding: 42px 0 56px; }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand { font-family: "Noto Serif SC", serif; font-size: 1.25rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.footer-links a {
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: 0 100%;
  transition: background-size .25s ease, opacity .25s ease;
}
.footer-links a:hover { background-size: 100% 1px; }
.copy { color: var(--faint); margin-top: 18px; font-size: 13px; }
@media (max-width: 1024px) {
  .hero-bento { grid-template-columns: 1fr 1fr; grid-template-areas: "main main" "player player" "mini1 mini2" "bar bar"; }
  .bento { grid-template-columns: 1fr 1fr; grid-template-areas: "a a" "b c" "d d"; }
  .price-grid { grid-template-columns: 1fr 1fr; }
  .price-note { grid-column: 1 / -1; }
  .case-item:nth-child(2), .case-item:nth-child(3) { margin-left: 0; }
}
@media (max-width: 768px) {
  :root { --pad: 3.2rem; }
  body { padding: 24px 0 132px; }
  .dock-wrap { top: auto; bottom: 14px; }
  .dock { width: min(560px, calc(100% - 16px)); border-radius: 22px; flex-wrap: wrap; padding: 8px; }
  .logo { width: 100%; text-align: center; margin: 2px 0 0; font-size: 13px; }
  .logo-full { display: none; }
  .logo-short { display: inline; }
  .dock-links { width: 100%; justify-content: space-between; }
  .nav-long { display: none; }
  .nav-short { display: inline; }
  .search-panel { top: auto; bottom: 108px; }
  .channel-grid, .voice-grid, .spec-grid, .news-item, .time-item, .demo-mid, .hero-bento { grid-template-columns: 1fr; }
  .hero-bento { grid-template-areas: "main" "player" "mini1" "mini2" "bar"; }
  .bento { grid-template-columns: 1fr; grid-template-areas: "a" "b" "c" "d"; }
  .news-item { grid-template-columns: 1fr; gap: 4px; }
  .hero-bar, .open-bar, .footer-grid { flex-direction: column; align-items: flex-start; }
  .price-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 28px); }
  h1 { font-size: 2.35rem; }
  .btn-long { display: none; }
  .btn-short { display: inline; }
  .nav-link { padding: 8px 8px; font-size: 13px; }
  .demo-screen { min-height: 280px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .channel-card:hover, .feat:hover, .case-item:hover, .article-card:hover { transform: none; }
}

/* roulang page: category2 */
:root {
  --bg: #141210;
  --surface: #1C1916;
  --ink: #F4EFE6;
  --muted: #C4B6A6;
  --faint: #8F8274;
  --line: #3A342C;
  --amber: #C6A36A;
  --sage: #7E8F86;
  --plum: #8C5E66;
  --card: 2px;
  --pill: 999px;
  --dock: 0 12px 36px rgba(0, 0, 0, .32);
  --pad: 4.75rem;
}
:root { --pad: 4.75rem; }
/* roulang page: gaoqing-huikan */
html { scroll-behavior: smooth; }
html body.page {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  padding-top: 112px;
  text-rendering: optimizeLegibility;
}
body.page *,
body.page *::before,
body.page *::after { box-sizing: border-box; }
body.page img,
body.page svg { max-width: 100%; display: block; }
body.page button,
body.page input { font: inherit; color: inherit; }
body.page a { color: inherit; text-decoration: none; }
body.page a:focus-visible,
body.page button:focus-visible,
body.page input:focus-visible {
  outline: 1px solid var(--amber);
  outline-offset: 3px;
}
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: var(--pad) 0; border-top: 1px solid var(--line); }
.section:first-child { border-top: 0; }
.section-title {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.25;
  letter-spacing: -.03em;
  font-weight: 700;
  max-width: 18em;
}
.section-lead { color: var(--muted); max-width: 42em; margin-top: 14px; }
.logo {
  font-family: "Noto Serif SC", serif;
  font-size: 14px;
  letter-spacing: -.02em;
  white-space: nowrap;
  margin-right: 6px;
  color: var(--ink);
}
.logo-short { display: none; }
.dock-wrap {
  position: fixed;
  z-index: 40;
  top: 18px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  padding: 0 14px;
  pointer-events: none;
}
.dock {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: min(880px, 100%);
  padding: 8px 8px 8px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  box-shadow: var(--dock);
}
.dock-links { display: flex; align-items: center; gap: 2px; min-width: 0; }
.nav-link {
  position: relative;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 14px;
  border-radius: var(--pill);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: 12px calc(100% - 8px);
  transition: color .25s ease, background-size .25s ease, opacity .25s ease;
}
.nav-link:hover { color: var(--ink); background-size: calc(100% - 24px) 1px; }
.nav-link.is-active { color: var(--amber); }
.nav-short { display: none; }
.icon-btn, .btn {
  border: 0;
  cursor: pointer;
  transition: opacity .25s ease, transform .25s ease, background-color .25s ease, border-color .25s ease;
}
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--pill);
  background: transparent;
  border: 1px solid transparent;
  display: grid;
  place-items: center;
  color: var(--ink);
}
.icon-btn:hover { opacity: .75; border-color: var(--line); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--pill);
  font-size: 14px;
  white-space: nowrap;
}
.btn-solid { background: var(--amber); color: #1A140C; }
.btn-line { background: transparent; color: var(--ink); border: 1px solid rgba(244, 239, 230, .78); }
.btn:hover { opacity: .86; transform: translateY(-2px); }
.btn:active { opacity: .72; transform: translateY(0); }
.btn-short { display: none; }
.search-panel {
  position: fixed;
  z-index: 39;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  width: min(440px, calc(100% - 28px));
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 14px;
}
.search-panel[hidden] { display: none; }
.search-row { display: flex; gap: 8px; }
.search-row input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  padding: 10px 14px;
  outline: none;
}
.search-row input:focus { border-color: var(--amber); }
.search-state { min-height: 1.5em; margin-top: 8px; color: var(--sage); font-size: 13px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  padding: 2px 8px;
  font-size: 12px;
  color: var(--muted);
}
.badge-18 { color: #E4D2D5; border-color: var(--plum); background: rgba(140, 94, 102, .18); }
.card-text { color: var(--muted); margin-top: 12px; }
.cat-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
}
.cat-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--sage);
  font-size: 13px;
  letter-spacing: .08em;
}
.cat-head h1 {
  margin: 12px 0 0;
  font-family: "Noto Serif SC", serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  line-height: 1.2;
  letter-spacing: -.04em;
}
.cat-copy { max-width: 40em; color: var(--muted); margin: 12px 0 0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.cat-meta {
  width: min(280px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--card);
}
.meta-cell { padding: 14px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.meta-cell:nth-child(2n) { border-right: 0; }
.meta-cell:nth-last-child(-n+2) { border-bottom: 0; }
.meta-cell b {
  display: block;
  font-family: "Noto Serif SC", serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--ink);
}
.meta-cell span { color: var(--faint); font-size: 12px; }
.cond-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  overflow-x: auto;
  padding-bottom: 2px;
}
.chip {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 14px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color .25s ease, border-color .25s ease, opacity .25s ease, transform .25s ease;
}
.chip:hover { color: var(--ink); transform: translateY(-2px); }
.chip.is-on { color: var(--amber); border-color: var(--amber); }
.mag-list { margin-top: 8px; }
.mag-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: baseline;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  transition: opacity .25s ease, transform .25s ease;
}
.mag-row:hover { opacity: .86; transform: translateY(-2px); }
.mag-no {
  font-family: "Noto Serif SC", serif;
  color: var(--amber);
  font-size: 1.35rem;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
}
.mag-row h3 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  letter-spacing: -.03em;
  font-weight: 700;
}
.mag-row p { margin: 6px 0 0; color: var(--muted); }
.mag-meta {
  color: var(--sage);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}
.tc { letter-spacing: .04em; }
.spec-board {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1.15fr .72fr;
  gap: 12px;
  align-items: stretch;
}
.spec-col, .spec-note, .step-note, .bound-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--card);
}
.spec-col, .spec-note { padding: 22px; }
.spec-col.is-focus { box-shadow: inset 0 1px 0 var(--amber); }
.spec-col h3, .step-note h3, .bound-card h2 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  letter-spacing: -.03em;
}
.spec-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.spec-line b { color: var(--ink); font-weight: 500; }
.frame-mini {
  height: 96px;
  margin-top: 16px;
  border: 1px solid var(--line);
  background:
    linear-gradient(var(--bg), var(--bg)) 12px 16px / 16px 64px no-repeat,
    #24201C;
  position: relative;
}
.frame-mini::before,
.frame-mini::after {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  width: 7px;
  background: repeating-linear-gradient(var(--bg) 0 7px, transparent 7px 14px);
}
.frame-mini::before { left: 0; }
.frame-mini::after { right: 0; }
.frame-mini span {
  position: absolute;
  left: 34px;
  bottom: 12px;
  color: var(--sage);
  font-size: 12px;
  letter-spacing: .08em;
}
.spec-note p { margin: 14px 0 0; color: var(--muted); }
.step-layout {
  margin-top: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(220px, .7fr);
  gap: 28px;
  align-items: start;
}
.step-rail { list-style: none; margin: 0; padding: 0; }
.step-rail li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.step-rail b {
  color: var(--amber);
  font-family: "Noto Serif SC", serif;
  font-size: 1.2rem;
  font-weight: 700;
}
.step-rail p { margin: 0; }
.step-note { padding: 22px; position: sticky; top: 108px; }
.step-note strong {
  display: block;
  margin-top: 16px;
  font-family: "Noto Serif SC", serif;
  font-size: 1.7rem;
  letter-spacing: -.04em;
  font-weight: 700;
}
.article-list { margin-top: 8px; }
.article-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: 80px 100%;
  transition: background-size .25s ease, opacity .25s ease, transform .25s ease;
}
.article-row:hover { background-size: calc(100% - 80px) 1px; opacity: .88; transform: translateY(-2px); }
.article-row span { color: var(--amber); font-variant-numeric: tabular-nums; }
.article-row h3 { margin: 0; font-family: "Noto Serif SC", serif; font-size: 1.3rem; letter-spacing: -.03em; }
.article-row p { margin: 4px 0 0; color: var(--muted); }
.more-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 4px;
}
.more-band p { margin: 0; color: var(--muted); max-width: 36em; }
.more-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--pill);
  border: 1px solid rgba(244, 239, 230, .78);
  color: var(--ink);
  transition: opacity .25s ease, transform .25s ease;
}
.more-link:hover { opacity: .86; transform: translateY(-2px); }
.bound-card { padding: 22px 22px 8px; }
.bound-list { list-style: none; margin: 16px 0 8px; padding: 0; }
.bound-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.bound-list i {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  border: 1px solid var(--sage);
  border-radius: var(--pill);
  position: relative;
}
.bound-list i::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 2px;
  width: 5px;
  height: 8px;
  border-right: 1px solid var(--sage);
  border-bottom: 1px solid var(--sage);
  transform: rotate(40deg);
}
.site-footer { border-top: 1px solid var(--line); padding: 42px 0 28px; }
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: flex-start;
}
.footer-brand {
  margin: 0 0 8px;
  font-family: "Noto Serif SC", serif;
  font-size: 1.15rem;
  letter-spacing: -.03em;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.footer-links a {
  color: var(--muted);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: 0 100%;
  transition: color .25s ease, background-size .25s ease;
}
.footer-links a:hover { color: var(--ink); background-size: 100% 1px; }
.copy { margin-top: 28px; color: var(--faint); font-size: 13px; }
.is-hidden { display: none; }
@media (max-width: 1024px) {
  :root { --pad: 3.6rem; }
  .spec-board { grid-template-columns: 1fr 1fr; }
  .spec-note { grid-column: 1 / -1; }
  .step-note { position: static; }
}
@media (max-width: 768px) {
  :root { --pad: 2.8rem; }
  html body.page { padding-top: 28px; padding-bottom: 108px; }
  .dock-wrap { top: auto; bottom: 12px; }
  .logo-full, .nav-long, .btn-long { display: none; }
  .logo-short, .nav-short, .btn-short { display: inline; }
  .search-panel { top: auto; bottom: 86px; }
  .cat-head, .step-layout, .footer-grid, .more-band { display: block; }
  .cat-meta, .spec-board { width: 100%; grid-template-columns: 1fr 1fr; }
  .spec-col, .spec-note, .step-note, .cat-meta { margin-top: 16px; }
  .mag-row { grid-template-columns: 48px minmax(0, 1fr); gap: 10px; }
  .mag-meta { grid-column: 2; text-align: left; white-space: normal; }
  .more-link { margin-top: 14px; }
}
@media (max-width: 520px) {
  .container { width: min(1120px, calc(100% - 28px)); }
  .dock { padding: 6px 6px 6px 12px; }
  .nav-link { padding: 8px; font-size: 13px; }
  .btn { min-height: 36px; padding: 0 10px; }
  .cat-meta, .spec-board { grid-template-columns: 1fr; }
  .meta-cell { border-right: 0; }
  .meta-cell:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .meta-cell:last-child { border-bottom: 0; }
  .step-rail li, .article-row { grid-template-columns: 42px minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body.page *,
  body.page *::before,
  body.page *::after {
    transition: none !important;
    animation: none !important;
  }
  .btn:hover, .chip:hover, .mag-row:hover, .article-row:hover, .more-link:hover { transform: none; }
}

/* roulang page: category1 */
:root {
  --bg: #141210;
  --surface: #1C1916;
  --ink: #F4EFE6;
  --muted: #C4B6A6;
  --faint: #8F8274;
  --line: #3A342C;
  --amber: #C6A36A;
  --sage: #7E8F86;
  --plum: #8C5E66;
  --card: 2px;
  --pill: 999px;
  --dock: 0 12px 36px rgba(0, 0, 0, .32);
  --pad: 4.75rem;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  padding-top: 112px;
}
img, svg { max-width: 100%; display: block; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: var(--pad) 0; border-top: 1px solid var(--line); }
.section:first-child { border-top: 0; }
.section-title {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.25;
  letter-spacing: -.03em;
  font-weight: 700;
  max-width: 18em;
  margin: 0;
}
.section-lead { color: var(--muted); max-width: 42em; margin: 14px 0 0; }
.logo {
  font-family: "Noto Serif SC", serif;
  font-size: 14px;
  letter-spacing: -.02em;
  white-space: nowrap;
  margin-right: 6px;
}
.logo-short { display: none; }
.dock-wrap {
  position: fixed;
  z-index: 40;
  top: 16px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  pointer-events: none;
}
.dock {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  max-width: 100%;
  padding: 6px 8px 6px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  box-shadow: var(--dock);
}
.dock-links { display: flex; align-items: center; gap: 2px; min-width: 0; }
.nav-link {
  position: relative;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 14px;
  border-radius: var(--pill);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: 12px calc(100% - 8px);
  transition: color .25s ease, background-size .25s ease, opacity .25s ease;
}
.nav-link:hover { color: var(--ink); background-size: calc(100% - 24px) 1px; }
.nav-link.is-active { color: var(--amber); }
.nav-link:focus-visible, .btn:focus-visible, .icon-btn:focus-visible, .chip:focus-visible, .article-card:focus-visible, summary:focus-visible {
  outline: 1px solid var(--amber);
  outline-offset: 2px;
}
.nav-short, .btn-short { display: none; }
.icon-btn, .btn, .chip {
  border: 0;
  cursor: pointer;
  transition: opacity .25s ease, transform .25s ease, background-color .25s ease, border-color .25s ease, color .25s ease;
}
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--pill);
  background: transparent;
  border: 1px solid transparent;
  display: grid;
  place-items: center;
  color: var(--ink);
}
.icon-btn:hover { opacity: .75; border-color: var(--line); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--pill);
  font-size: 14px;
  white-space: nowrap;
}
.btn-solid { background: var(--amber); color: #1A140C; }
.btn-line { background: transparent; color: var(--ink); border: 1px solid rgba(244, 239, 230, .78); }
.btn:hover { opacity: .86; }
.btn:active { opacity: .72; transform: translateY(0); }
.btn-line:hover { transform: translateY(-2px); }
.search-panel {
  position: fixed;
  z-index: 39;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  width: min(440px, calc(100% - 28px));
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 14px;
}
.search-panel[hidden] { display: none; }
.search-row { display: flex; gap: 8px; }
.search-row input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  padding: 10px 14px;
  outline: none;
}
.search-row input:focus { border-color: var(--amber); }
.search-state { min-height: 1.5em; margin: 8px 0 0; color: var(--sage); font-size: 13px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  padding: 2px 8px;
  font-size: 12px;
  color: var(--muted);
}
.badge-18 { color: #E4D2D5; border-color: var(--plum); background: rgba(140, 94, 102, .18); }
.card-text { color: var(--muted); margin: 12px 0 0; }
.page-h1 {
  margin: 10px 0 0;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-weight: 700;
  letter-spacing: -.045em;
  line-height: 1.08;
  font-size: clamp(2.1rem, 5.4vw, 4.4rem);
  max-width: 9em;
}
.head-copy { margin: 14px 0 0; color: var(--muted); max-width: 28em; }
.meta-side {
  min-width: 180px;
  border-left: 1px solid var(--line);
  padding: 4px 0 4px 18px;
}
.meta-side p { margin: 0; color: var(--sage); font-size: 13px; font-variant-numeric: tabular-nums; }
.meta-side strong { display: block; color: var(--ink); font-weight: 500; font-size: 15px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
}
.chip {
  min-height: 36px;
  padding: 0 14px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
}
.chip:hover { color: var(--ink); transform: translateY(-2px); }
.chip.is-on { color: #1A140C; background: var(--amber); border-color: var(--amber); }
.filter-note { margin-left: auto; color: var(--sage); font-size: 13px; font-variant-numeric: tabular-nums; }
.list-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 232px;
  gap: 16px;
  margin-top: 26px;
  align-items: start;
}
.dense-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.dense-card, .side-stamps, .film-cell, .spec-col, .article-card, .faq-item, .more-bar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--card);
}
.dense-card { padding: 14px 14px 16px; min-height: 148px; transition: transform .25s ease, opacity .25s ease; }
.dense-card:hover { transform: translateY(-2px); opacity: .92; }
.dense-card[hidden] { display: none; }
.kicker { margin: 0; color: var(--amber); font-size: 12px; letter-spacing: .04em; font-variant-numeric: tabular-nums; }
.dense-card h3, .spec-col h3, .article-card h3, .side-stamps h3 {
  margin: 8px 0 0;
  font-family: "Noto Serif SC", serif;
  font-size: 1.2rem;
  letter-spacing: -.03em;
  line-height: 1.35;
  font-weight: 700;
}
.dense-card p, .spec-col p, .article-card p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.side-stamps { padding: 16px 16px 8px; }
.stamp {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.stamp time { color: var(--amber); font-variant-numeric: tabular-nums; }
.film-row {
  display: flex;
  gap: 10px;
  margin-top: 26px;
  overflow-x: auto;
  padding-bottom: 6px;
}
.film-cell { position: relative; min-width: 180px; padding: 34px 14px 16px; }
.film-cell::before {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  top: 10px;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--bg) 0 7px, transparent 7px 14px);
}
.film-cell time { color: var(--sage); font-size: 12px; letter-spacing: .08em; }
.film-cell h3 { margin: 8px 0 0; font-family: "Noto Serif SC", serif; font-size: 1.15rem; letter-spacing: -.03em; }
.film-cell p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 26px; }
.spec-col { padding: 22px 22px 24px; }
.spec-col ol { margin: 16px 0 0; padding: 0; list-style: none; }
.spec-col li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.spec-col li b { color: var(--ink); font-weight: 500; }
.article-list { display: flex; flex-direction: column; gap: 8px; margin-top: 22px; }
.article-card {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  transition: transform .25s ease, opacity .25s ease;
}
.article-card:hover { transform: translateY(-2px); opacity: .92; }
.article-card span { color: var(--sage); font-size: 13px; font-variant-numeric: tabular-nums; }
.article-card h3 { margin: 0; font-size: 1.15rem; }
.article-card p { margin: 4px 0 0; }
.article-card em { font-style: normal; color: var(--amber); font-size: 13px; }
.more-bar {
  margin-top: 0;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.more-bar p { margin: 0; color: var(--muted); }
.faq-list { margin-top: 18px; display: flex; flex-direction: column; }
.faq-item { border-radius: 0; border-left: 0; border-right: 0; background: transparent; }
.faq-item + .faq-item { border-top: 0; }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-family: "Noto Serif SC", serif;
  font-size: 1.15rem;
  letter-spacing: -.02em;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--amber); font-family: "Noto Sans SC", sans-serif; }
.faq-item details[open] summary::after { content: "–"; }
.faq-item details[open] summary { color: var(--amber); }
.faq-item p { margin: 0 0 16px; color: var(--muted); max-width: 40em; }
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 28px; }
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: start;
}
.footer-brand {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 1.15rem;
  letter-spacing: -.03em;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.footer-links a {
  color: var(--muted);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: 0 100%;
  transition: color .25s ease, background-size .25s ease;
}
.footer-links a:hover { color: var(--ink); background-size: 100% 1px; }
.copy { margin-top: 22px; color: var(--faint); font-size: 13px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
@media (max-width: 1024px) {
  :root { --pad: 3.6rem; }
  .list-layout { grid-template-columns: 1fr; }
  .dense-grid { grid-template-columns: 1fr 1fr; }
  .page-h1 { font-size: clamp(2rem, 6vw, 3.4rem); }
}
@media (max-width: 768px) {
  :root { --pad: 3rem; }
  body { padding-top: 28px; padding-bottom: 108px; }
  .dock-wrap { top: auto; bottom: 12px; }
  .logo-full, .nav-long, .btn-long { display: none; }
  .logo-short, .nav-short, .btn-short { display: inline; }
  .search-panel { top: auto; bottom: 86px; }
  .meta-side { border-left: 0; border-top: 1px solid var(--line); padding: 14px 0 0; min-width: 0; }
  .head-split { display: flex; flex-direction: column; gap: 16px; }
  .compare-grid, .dense-grid { grid-template-columns: 1fr; }
  .article-card { grid-template-columns: 1fr; gap: 4px; }
  .filter-note { margin-left: 0; width: 100%; }
  .more-bar { flex-direction: column; align-items: flex-start; }
  .footer-grid { flex-direction: column; }
}
@media (max-width: 520px) {
  .container { width: min(1120px, calc(100% - 28px)); }
  .dock { padding-left: 12px; }
  .nav-link { padding-inline: 8px; }
  .page-h1 { font-size: 2rem; }
  .section-title { font-size: 1.45rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}