/* roulang page: index */
:root {
  --amber: #C9841A;
  --btn: #F0B429;
  --btn-hover: #d39a16;
  --wine: #6E2E2A;
  --bg: #16120E;
  --lift: #241C16;
  --lift-2: #2C221A;
  --line: #4A3728;
  --text: #F6F0E6;
  --muted: #CDBBA6;
  --nav-fg: #FFF8EE;
  --ink: #3A2218;
  --radius: 12px;
  --shadow: 0 14px 32px rgba(22, 10, 4, .38);
  --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.8;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; font-size: 16px; }
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
h1 { font-size: 46px; line-height: 1.22; font-weight: 760; }
h2 { font-size: 30px; line-height: 1.35; font-weight: 720; }
h3 { font-size: 20px; line-height: 1.45; font-weight: 680; }
p + p { margin-top: 12px; }
:focus-visible { outline: 2px solid var(--btn); outline-offset: 2px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(90deg, #C9841A 0%, #8A4524 48%, #6E2E2A 100%);
  color: var(--nav-fg);
  box-shadow: 0 8px 22px rgba(22, 10, 4, .28);
}
.nav-bar {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--nav-fg);
  font-weight: 760;
  font-size: 15px;
  line-height: 1.35;
  max-width: 430px;
}
.logo-mark {
  flex: 0 0 auto;
  background: var(--btn);
  color: var(--ink);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 760;
}
.nav-panel {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-panel a {
  color: var(--nav-fg);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 15px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-panel a:hover,
.nav-panel a.active {
  background: rgba(255, 248, 238, .18);
  text-decoration: underline;
  text-underline-offset: 6px;
}
.nav-cta {
  background: var(--btn) !important;
  color: var(--ink) !important;
  font-weight: 760;
  text-decoration: none !important;
  margin-left: 8px;
}
.nav-cta:hover { background: #ffe08a !important; transform: translateY(-1px); }
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(255, 248, 238, .45);
  background: rgba(58, 34, 24, .25);
  color: var(--nav-fg);
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--nav-fg);
  position: relative;
  margin: 0 auto;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.section { padding: 80px 0; }
.section-alt { background: var(--lift); }
.section-deep { background: #120e0b; }
.lead { color: var(--muted); margin-top: 14px; max-width: 760px; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--btn);
  font-size: 13px;
  letter-spacing: .08em;
  font-weight: 700;
}
.hero {
  padding: 72px 0 36px;
  background:
    radial-gradient(900px 420px at 85% 0%, rgba(201, 132, 26, .28), transparent 60%),
    linear-gradient(180deg, #2A1C14 0%, var(--bg) 78%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 42px;
  align-items: center;
}
.burst-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.burst {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffe7a3, var(--btn) 42%, var(--wine) 100%);
  color: var(--ink);
  font-weight: 800;
  display: grid;
  place-items: center;
  text-align: center;
  line-height: 1.15;
  font-size: 14px;
  box-shadow: var(--shadow);
  transform: rotate(-8deg);
}
.limit {
  background: rgba(110, 46, 42, .55);
  border: 1px solid var(--line);
  color: var(--nav-fg);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 14px;
}
.hero h1 { margin: 8px 0 12px; }
.subhead { font-size: 18px; color: var(--text); margin-bottom: 12px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--btn);
  color: var(--ink);
  font-weight: 760;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease, border-color .2s ease;
}
.btn:hover { background: var(--btn-hover); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover { background: rgba(240, 180, 41, .12); border-color: var(--btn); }
.adult-note { margin-top: 16px; color: var(--muted); font-size: 14px; }
.player {
  background: #100d0b;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.poster {
  position: relative;
  height: 280px;
  background:
    linear-gradient(160deg, rgba(22, 18, 14, .1), rgba(22, 18, 14, .55)),
    linear-gradient(135deg, #8A4B16 0%, #6E2E2A 48%, #C9841A 100%);
}
.poster-copy {
  position: absolute;
  left: 18px;
  bottom: 18px;
  right: 18px;
}
.poster-copy strong { display: block; font-size: 26px; }
.poster-copy span { color: #fff4df; }
.play-orb {
  position: absolute;
  left: 50%;
  top: 46%;
  width: 68px;
  height: 68px;
  margin: -34px 0 0 -34px;
  border-radius: 50%;
  background: rgba(22, 18, 14, .55);
  border: 2px solid var(--btn);
}
.play-orb::after {
  content: "";
  position: absolute;
  left: 27px;
  top: 20px;
  border-style: solid;
  border-width: 13px 0 13px 20px;
  border-color: transparent transparent transparent var(--btn);
}
.controls {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 10px;
  align-items: center;
  padding: 12px 14px 14px;
  background: #1B1511;
  color: var(--muted);
  font-size: 13px;
}
.bar {
  height: 6px;
  background: #3A2A20;
  border-radius: 999px;
  overflow: hidden;
}
.bar i {
  display: block;
  width: 46%;
  height: 100%;
  background: linear-gradient(90deg, var(--amber), var(--btn));
}
.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  color: var(--text);
}
.rhythm {
  padding: 0 0 18px;
  background: linear-gradient(180deg, rgba(22, 18, 14, 0), var(--bg) 30%);
}
.rhythm-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--lift);
  overflow: hidden;
}
.rhythm-bar div { padding: 16px 18px; border-right: 1px solid var(--line); }
.rhythm-bar div:last-child { border-right: 0; }
.rhythm-bar b { display: block; color: var(--btn); font-size: 14px; }
.rhythm-bar span { color: var(--text); font-size: 16px; }
.entry-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1.45fr .85fr;
  gap: 16px;
}
.entry {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 230px;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.entry:hover { transform: translateY(-2px); border-color: var(--btn); }
.entry-wide {
  background:
    linear-gradient(180deg, rgba(22, 18, 14, .05), rgba(22, 18, 14, .72)),
    linear-gradient(120deg, #C9841A, #6E2E2A);
}
.entry-narrow {
  background:
    linear-gradient(180deg, rgba(22, 18, 14, .08), rgba(22, 18, 14, .75)),
    linear-gradient(160deg, #8C4A22, #241C16 70%);
}
.entry small { color: #ffe7bf; font-weight: 700; }
.entry strong { font-size: 28px; margin: 8px 0; display: block; }
.entry em { font-style: normal; color: var(--btn); font-weight: 700; }
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; margin-top: 34px; }
.feature.reverse .feature-copy { order: 2; }
.feature-visual {
  min-height: 210px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--lift-2);
  box-shadow: var(--shadow);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.fake-lines { display: grid; gap: 8px; }
.fake-lines i { display: block; height: 10px; border-radius: 999px; background: #4A3728; }
.fake-lines i:nth-child(1) { width: 72%; background: var(--amber); }
.fake-lines i:nth-child(2) { width: 90%; }
.fake-lines i:nth-child(3) { width: 54%; }
.tag {
  align-self: flex-start;
  background: rgba(240, 180, 41, .16);
  color: var(--btn);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 700;
}
.feature-copy p { color: var(--muted); margin-top: 8px; }
.scene-track {
  margin-top: 26px;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 10px;
}
.scene-card {
  flex: 0 0 320px;
  scroll-snap-align: start;
  background: var(--lift-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-height: 210px;
}
.scene-card:hover { border-color: var(--amber); }
.scene-card b { color: var(--btn); font-size: 13px; }
.scene-card h3 { margin: 10px 0; }
.scene-card p { color: var(--muted); }
.demo-layout {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 18px;
}
.demo-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.demo-side article {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.demo-side h3 { font-size: 17px; }
.demo-side p { color: var(--muted); font-size: 15px; }
.poster-wall {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 92px;
  gap: 12px;
}
.poster-card {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  box-shadow: var(--shadow);
  min-height: 100%;
}
.poster-card:hover { transform: translateY(-2px); outline: 2px solid var(--btn); }
.poster-card span { font-size: 13px; color: #ffe7bf; }
.poster-card strong { font-size: 18px; }
.p1 { grid-column: span 2; grid-row: span 2; background: linear-gradient(160deg, #C9841A, #6E2E2A); }
.p2 { grid-row: span 2; background: linear-gradient(180deg, #8A4E22, #241C16); }
.p3 { background: linear-gradient(135deg, #6E2E2A, #C9841A); }
.p4 { grid-column: span 2; background: linear-gradient(90deg, #3E261C, #C9841A); }
.p5 { grid-row: span 2; background: linear-gradient(200deg, #A86A22, #6E2E2A); }
.p6 { background: linear-gradient(145deg, #241C16, #8C5430); }
.compare {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.compare-row, .compare-head {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr 1.4fr;
  gap: 10px;
  padding: 16px 18px;
}
.compare-head { background: #3A2418; color: var(--btn); font-weight: 700; }
.compare-row { border-top: 1px solid var(--line); background: var(--lift-2); }
.compare-row strong { color: var(--text); }
.compare-row span { color: var(--muted); }
.price-list { margin-top: 24px; display: grid; gap: 14px; }
.price-line {
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg);
}
.price-line.member { border-color: var(--amber); background: linear-gradient(90deg, rgba(201, 132, 26, .18), rgba(36, 28, 22, .2)); }
.price-line h3 { margin-bottom: 4px; }
.price-line p { color: var(--muted); }
.review-wall {
  margin-top: 24px;
  columns: 3;
  column-gap: 14px;
}
.review {
  break-inside: avoid;
  margin-bottom: 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
}
.review:nth-child(3n) { padding-top: 26px; }
.review:nth-child(2n) { background: #1C1612; }
.review p { color: var(--text); }
.review cite { display: block; margin-top: 10px; color: var(--btn); font-style: normal; font-size: 14px; }
.wide-quote {
  margin-top: 22px;
  background: linear-gradient(100deg, #3A241C, #241C16 55%, #6E2E2A);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--line);
}
.wide-quote q { font-size: 24px; line-height: 1.6; }
.wide-quote span { display: block; margin-top: 12px; color: var(--btn); }
.mini-quotes {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.mini-quotes article {
  background: var(--lift-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.mini-quotes p { color: var(--muted); }
.news-list { margin-top: 22px; display: grid; gap: 10px; }
.news-list a {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--lift-2);
}
.news-list a:hover { border-color: var(--btn); background: #2E241C; }
.news-list b { color: var(--btn); font-size: 14px; }
.news-list strong { display: block; }
.news-list span { color: var(--muted); font-size: 15px; }
.faq { margin-top: 18px; display: grid; gap: 10px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--lift-2);
  padding: 0 16px;
}
.faq summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; margin-left: auto; color: var(--btn); }
.faq details[open] summary::after { content: "－"; }
.faq details[open] { border-color: var(--amber); }
.faq details p { color: var(--muted); padding-bottom: 14px; }
.open-band {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  align-items: start;
  background: linear-gradient(120deg, #3A2418, #16120E 60%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.form {
  display: grid;
  gap: 12px;
  background: rgba(22, 18, 14, .72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.form input, .form select {
  min-height: 46px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #120e0b;
  color: var(--text);
  padding: 8px 12px;
}
.form input.is-error, .form select.is-error { border-color: var(--wine); box-shadow: 0 0 0 2px rgba(110, 46, 42, .45); }
.form .hint { min-height: 1.4em; color: var(--btn); font-size: 14px; }
.form .hint.is-error { color: #f0c2b6; }
.site-footer {
  background: #100d0b;
  border-top: 1px solid var(--line);
  padding: 36px 0 28px;
  color: var(--muted);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}
.footer-logo { color: var(--text); font-weight: 760; font-size: 16px; display: inline-block; margin-bottom: 8px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.footer-links a { color: var(--muted); min-height: 44px; display: inline-flex; align-items: center; }
.footer-links a:hover { color: var(--btn); }
.copy { margin-top: 18px; font-size: 14px; }
@media (max-width: 1024px) {
  h1 { font-size: 40px; }
  .hero-grid, .demo-layout, .open-band { grid-template-columns: 1fr; }
  .poster { height: 240px; }
  .review-wall { columns: 2; }
  .poster-wall { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-panel {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 74px;
    background: linear-gradient(180deg, #C9841A, #6E2E2A);
    flex-direction: column;
    align-items: stretch;
    padding: 10px 16px 16px;
    margin-left: 0;
  }
  .nav-panel.open { display: flex; }
  .nav-panel a { width: 100%; }
  .nav-cta { margin-left: 0; justify-content: center; }
  .logo { max-width: calc(100% - 64px); }
  .feature, .feature.reverse .feature-copy { order: 0; }
  .feature { grid-template-columns: 1fr; }
  .entry-grid, .mini-quotes, .rhythm-bar, .price-line, .compare-row, .compare-head { grid-template-columns: 1fr; }
  .rhythm-bar div { border-right: 0; border-bottom: 1px solid var(--line); }
  .price-line { align-items: start; }
  .news-list a { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; }
  .poster-wall { grid-template-columns: 1fr 1fr; grid-auto-rows: 120px; }
  .p1, .p2, .p4, .p5 { grid-column: auto; grid-row: span 1; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .container { width: min(var(--max), calc(100% - 28px)); }
  .section { padding: 52px 0; }
  .hero { padding-top: 48px; }
  .hero-actions, .btn { width: 100%; }
  .review-wall, .poster-wall, .mini-quotes { columns: 1; display: grid; grid-template-columns: 1fr; }
  .scene-card { flex-basis: 86%; }
  .wide-quote q { font-size: 20px; }
  .burst { width: 64px; height: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .entry, .poster-card { transition: none; }
}

/* roulang page: category1 */
:root {
 --amber: #C9841A;
 --btn: #F0B429;
 --btn-hover: #d39a16;
 --wine: #6E2E2A;
 --bg: #16120E;
 --lift: #241C16;
 --lift-2: #2C221A;
 --line: #4A3728;
 --text: #F6F0E6;
 --muted: #CDBBA6;
 --nav-fg: #FFF8EE;
 --ink: #3A2218;
 --radius: 12px;
 --shadow: 0 14px 32px rgba(22, 10, 4, .38);
 --max: 1120px;
}
/* roulang page: category1 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 background: var(--bg);
 color: var(--text);
 font-size: 17px;
 line-height: 1.8;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; font-size: 16px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: linear-gradient(90deg, #C9841A 0%, #8A4524 48%, #6E2E2A 100%);
 color: var(--nav-fg);
 box-shadow: 0 8px 22px rgba(22, 10, 4, .28);
}
.nav-bar {
 min-height: 74px;
 display: flex;
 align-items: center;
 gap: 18px;
}
.logo {
 display: flex;
 align-items: center;
 gap: 8px;
 color: var(--nav-fg);
 font-weight: 760;
 font-size: 15px;
 line-height: 1.35;
 max-width: 430px;
}
.logo-mark {
 flex: 0 0 auto;
 background: var(--btn);
 color: var(--ink);
 border-radius: 999px;
 padding: 2px 8px;
 font-size: 12px;
 font-weight: 760;
}
.nav-panel {
 margin-left: auto;
 display: flex;
 align-items: center;
 gap: 6px;
}
.nav-panel a {
 color: var(--nav-fg);
 padding: 8px 12px;
 border-radius: 999px;
 font-size: 15px;
 min-height: 44px;
 display: inline-flex;
 align-items: center;
}
.nav-panel a:hover,
.nav-panel a.active {
 background: rgba(255, 248, 238, .18);
 text-decoration: underline;
 text-underline-offset: 6px;
}
.nav-cta {
 background: var(--btn) !important;
 color: var(--ink) !important;
 font-weight: 760;
 text-decoration: none !important;
 margin-left: 8px;
}
.nav-cta:hover { background: #ffe08a !important; transform: translateY(-1px); }
.nav-toggle {
 display: none;
 margin-left: auto;
 width: 44px;
 height: 44px;
 border-radius: 10px;
 border: 1px solid rgba(255, 248, 238, .45);
 background: rgba(58, 34, 24, .25);
 color: var(--nav-fg);
 cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
 display: block;
 width: 18px;
 height: 2px;
 background: var(--nav-fg);
 position: relative;
 margin: 0 auto;
}
.nav-toggle span::before,
.nav-toggle span::after {
 content: "";
 position: absolute;
 left: 0;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.section { padding: 80px 0; }
.section-alt { background: var(--lift); }
.section-deep { background: #120e0b; }
h1 { font-size: 44px; line-height: 1.25; margin: 0; font-weight: 760; }
h2 { font-size: 30px; line-height: 1.35; margin: 0; font-weight: 760; }
h3 { font-size: 20px; line-height: 1.45; margin: 0; font-weight: 700; }
p { margin: 0; }
.lead { color: var(--muted); margin-top: 14px; max-width: 760px; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 46px;
 padding: 10px 18px;
 border-radius: 999px;
 border: 1px solid transparent;
 background: var(--btn);
 color: var(--ink);
 font-weight: 760;
 cursor: pointer;
 transition: background .2s ease, transform .2s ease, border-color .2s ease;
}
.btn:hover { background: var(--btn-hover); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
 outline: 2px solid var(--btn);
 outline-offset: 2px;
}
.btn-ghost {
 background: transparent;
 color: var(--text);
 border-color: var(--line);
}
.btn-ghost:hover { background: rgba(240, 180, 41, .12); border-color: var(--btn); }
.tag {
 align-self: flex-start;
 background: rgba(240, 180, 41, .16);
 color: var(--btn);
 border-radius: 999px;
 padding: 4px 10px;
 font-size: 13px;
 font-weight: 700;
}
.cat-head {
 padding: 36px 0 18px;
 background:
 radial-gradient(680px 220px at 0% 0%, rgba(201, 132, 26, .22), transparent 62%),
 #1b1511;
 border-bottom: 1px solid var(--line);
}
.cat-kicker {
 display: flex;
 gap: 8px;
 flex-wrap: wrap;
 margin-bottom: 12px;
}
.chip {
 border: 1px solid var(--line);
 border-radius: 999px;
 padding: 2px 10px;
 color: var(--text);
 font-size: 13px;
 background: rgba(36, 28, 22, .65);
}
.cat-head h1 { max-width: 16em; }
.filter-wrap { padding: 22px 0; background: var(--bg); }
.filter-bar {
 display: flex;
 flex-wrap: wrap;
 gap: 10px;
 align-items: center;
}
.filter-bar strong { margin-right: 6px; font-size: 15px; }
.filter-btn {
 min-height: 44px;
 padding: 8px 14px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: var(--lift);
 color: var(--text);
 cursor: pointer;
 transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.filter-btn:hover { border-color: var(--btn); transform: translateY(-1px); }
.filter-btn.active {
 background: var(--btn);
 color: var(--ink);
 border-color: var(--btn);
 font-weight: 760;
}
.list-section { padding-top: 28px; }
.list-head {
 display: flex;
 justify-content: space-between;
 gap: 16px;
 align-items: flex-end;
 margin-bottom: 16px;
}
.list-head p { color: var(--muted); margin-top: 6px; }
.row-list { display: grid; gap: 12px; }
.video-row {
 display: grid;
 grid-template-columns: 168px minmax(0, 1fr) 168px;
 gap: 16px;
 align-items: center;
 padding: 12px;
 border-radius: var(--radius);
 border: 1px solid var(--line);
 background: var(--lift-2);
 box-shadow: var(--shadow);
 transition: border-color .2s ease, transform .2s ease;
}
.video-row:hover { border-color: var(--amber); transform: translateY(-1px); }
.poster {
 height: 96px;
 border-radius: 10px;
 position: relative;
 overflow: hidden;
 border: 1px solid var(--line);
}
.poster i {
 position: absolute;
 right: 8px;
 bottom: 8px;
 font-style: normal;
 font-size: 12px;
 background: rgba(22, 18, 14, .78);
 color: #fff8ee;
 border-radius: 999px;
 padding: 2px 8px;
}
.poster-a { background: linear-gradient(135deg, #C9841A, #6E2E2A 70%); }
.poster-b { background: linear-gradient(160deg, #E0A04A, #3A2218 72%); }
.poster-c { background: linear-gradient(120deg, #8C4A22, #241C16 68%); }
.poster-d { background: linear-gradient(145deg, #F0B429, #6E2E2A 62%); }
.poster-e { background: linear-gradient(200deg, #A8642A, #16120E 75%); }
.poster-f { background: linear-gradient(110deg, #6E2E2A, #C9841A 80%); }
.row-copy h3 { font-size: 18px; }
.row-copy h3 a:hover { color: var(--btn); }
.row-meta { color: var(--muted); font-size: 15px; margin-top: 4px; }
.row-side { text-align: right; display: grid; gap: 6px; justify-items: end; }
.badge {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 background: rgba(240, 180, 41, .16);
 color: var(--btn);
 font-size: 13px;
 font-weight: 700;
}
.badge.free { background: rgba(240, 180, 41, .9); color: var(--ink); }
.more-row { margin-top: 18px; display: flex; justify-content: center; }
.length-grid {
 margin-top: 22px;
 display: grid;
 grid-template-columns: 160px 1fr 1fr;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 overflow: hidden;
}
.length-grid div {
 padding: 16px 18px;
 background: var(--lift-2);
 border-top: 1px solid var(--line);
 color: var(--muted);
}
.length-grid .lh {
 background: #1c1612;
 color: var(--text);
 font-weight: 760;
 border-top: 0;
}
.length-grid strong { color: var(--text); display: block; }
.scene-rail {
 margin-top: 20px;
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 12px;
}
.scene-card {
 background: var(--lift-2);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 18px;
 min-height: 168px;
}
.scene-card:hover { border-color: var(--amber); }
.scene-card b { color: var(--btn); font-size: 13px; }
.scene-card h3 { margin: 10px 0; font-size: 18px; }
.scene-card p { color: var(--muted); }
.news-list { margin-top: 22px; display: grid; gap: 10px; }
.news-list a {
 display: grid;
 grid-template-columns: 92px 1fr;
 gap: 14px;
 align-items: center;
 padding: 14px 16px;
 border-radius: var(--radius);
 border: 1px solid var(--line);
 background: var(--lift-2);
}
.news-list a:hover { border-color: var(--btn); background: #2E241C; }
.news-list b { color: var(--btn); font-size: 14px; }
.news-list strong { display: block; }
.news-list span { color: var(--muted); font-size: 15px; }
.faq { margin-top: 18px; display: grid; gap: 10px; }
.faq details {
 border: 1px solid var(--line);
 border-radius: var(--radius);
 background: var(--lift-2);
 padding: 0 16px;
}
.faq summary {
 cursor: pointer;
 min-height: 52px;
 display: flex;
 align-items: center;
 font-weight: 700;
 list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
 content: "+";
 margin-left: auto;
 color: var(--btn);
 font-size: 20px;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding-bottom: 14px; }
.open-band {
 border: 1px solid var(--line);
 border-radius: var(--radius);
 background:
 linear-gradient(100deg, rgba(201, 132, 26, .2), transparent 42%),
 var(--lift-2);
 padding: 28px;
 display: grid;
 grid-template-columns: 1.1fr .9fr;
 gap: 28px;
 align-items: center;
 box-shadow: var(--shadow);
}
.open-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.form-grid { display: grid; gap: 12px; }
label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
input, select {
 min-height: 46px;
 border-radius: 10px;
 border: 1px solid var(--line);
 background: #16120E;
 color: var(--text);
 padding: 8px 12px;
}
input.error, select.error { border-color: var(--wine); box-shadow: 0 0 0 1px var(--wine); }
.form-note { min-height: 1.6em; font-size: 14px; }
.form-note.ok { color: var(--btn); }
.form-note.bad { color: #e7b2aa; }
.site-footer {
 background: #100d0b;
 border-top: 1px solid var(--line);
 padding: 36px 0 28px;
 color: var(--muted);
}
.footer-grid {
 display: flex;
 justify-content: space-between;
 gap: 24px;
 align-items: flex-start;
}
.footer-logo { color: var(--text); font-weight: 760; font-size: 16px; }
.footer-grid p { margin-top: 8px; max-width: 360px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; }
.footer-links a:hover { color: var(--btn); }
.copy { margin-top: 22px; font-size: 14px; border-top: 1px solid var(--line); padding-top: 16px; }
@media (max-width: 1024px) {
 .video-row { grid-template-columns: 140px minmax(0, 1fr); }
 .row-side { grid-column: 2; flex-direction: row; display: flex; justify-content: flex-start; text-align: left; }
 .scene-rail { grid-template-columns: 1fr 1fr; }
 .open-band { grid-template-columns: 1fr; }
 .length-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 768px) {
 .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
 .nav-panel {
 display: none;
 position: absolute;
 left: 0;
 right: 0;
 top: 74px;
 background: linear-gradient(180deg, #8A4524, #6E2E2A);
 padding: 10px 16px 16px;
 flex-direction: column;
 align-items: stretch;
}
 .nav-panel.open { display: flex; }
 .nav-panel a { width: 100%; }
 .nav-cta { margin-left: 0; justify-content: center; }
 h1 { font-size: 34px; }
 h2 { font-size: 26px; }
 .section { padding: 64px 0; }
 .length-grid { grid-template-columns: 1fr; }
 .length-grid .lh { border-top: 1px solid var(--line); }
 .scene-rail { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 12px; padding-bottom: 6px; }
 .scene-card { flex: 0 0 260px; scroll-snap-align: start; }
 .footer-grid { flex-direction: column; }
}
@media (max-width: 480px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 h1 { font-size: 30px; }
 body { font-size: 16px; }
 .video-row { grid-template-columns: 1fr; }
 .row-side { grid-column: auto; }
 .poster { height: 120px; }
 .news-list a { grid-template-columns: 72px 1fr; }
 .logo { font-size: 13px; max-width: calc(100% - 60px); }
 .list-head { flex-direction: column; align-items: flex-start; }
 .btn, .filter-btn, .nav-panel a { min-height: 44px; }
}

/* roulang page: category2 */
:root {
 --amber: #C9841A;
 --btn: #F0B429;
 --btn-hover: #d39a16;
 --wine: #6E2E2A;
 --bg: #16120E;
 --lift: #241C16;
 --lift-2: #2C221A;
 --line: #4A3728;
 --text: #F6F0E6;
 --muted: #CDBBA6;
 --nav-fg: #FFF8EE;
 --ink: #3A2218;
 --radius: 12px;
 --shadow: 0 14px 32px rgba(22, 10, 4, .38);
 --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 background: var(--bg);
 color: var(--text);
 font-size: 17px;
 line-height: 1.8;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 44px; line-height: 1.28; font-weight: 760; }
h2 { font-size: 30px; line-height: 1.35; font-weight: 740; }
h3 { font-size: 20px; line-height: 1.45; }
p { margin-top: 10px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: linear-gradient(90deg, #C9841A 0%, #8A4524 48%, #6E2E2A 100%);
 color: var(--nav-fg);
 box-shadow: 0 8px 22px rgba(22, 10, 4, .28);
}
.nav-bar { min-height: 74px; display: flex; align-items: center; gap: 18px; }
.logo {
 display: flex;
 align-items: center;
 gap: 8px;
 color: var(--nav-fg);
 font-weight: 760;
 font-size: 15px;
 line-height: 1.35;
 max-width: 430px;
}
.logo-mark {
 flex: 0 0 auto;
 background: var(--btn);
 color: var(--ink);
 border-radius: 999px;
 padding: 2px 8px;
 font-size: 12px;
 font-weight: 760;
}
.nav-panel { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.nav-panel a {
 color: var(--nav-fg);
 padding: 8px 12px;
 border-radius: 999px;
 font-size: 15px;
 min-height: 44px;
 display: inline-flex;
 align-items: center;
}
.nav-panel a:hover, .nav-panel a.active {
 background: rgba(255, 248, 238, .18);
 text-decoration: underline;
 text-underline-offset: 6px;
}
.nav-cta {
 background: var(--btn) !important;
 color: var(--ink) !important;
 font-weight: 760;
 text-decoration: none !important;
 margin-left: 8px;
}
.nav-cta:hover { background: #ffe08a !important; transform: translateY(-1px); }
.nav-toggle {
 display: none;
 margin-left: auto;
 width: 44px;
 height: 44px;
 border-radius: 10px;
 border: 1px solid rgba(255, 248, 238, .45);
 background: rgba(58, 34, 24, .25);
 color: var(--nav-fg);
 cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
 display: block;
 width: 18px;
 height: 2px;
 background: var(--nav-fg);
 position: relative;
 margin: 0 auto;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
 outline: 2px solid var(--btn);
 outline-offset: 2px;
}
.section { padding: 76px 0; }
.section-alt { background: var(--lift); }
.section-deep { background: #120e0b; }
.section-tight { padding: 34px 0 18px; background: linear-gradient(180deg, #2A1C14 0%, var(--bg) 100%); }
.kicker {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 2px 10px;
 border-radius: 999px;
 background: rgba(240, 180, 41, .16);
 color: var(--btn);
 font-size: 13px;
 font-weight: 700;
}
.lead { color: var(--muted); margin-top: 12px; max-width: 760px; }
.head-row { display: flex; justify-content: space-between; gap: 28px; align-items: flex-end; }
.head-side {
 min-width: 220px;
 padding: 14px 16px;
 border-radius: var(--radius);
 border: 1px solid var(--line);
 background: var(--lift);
 box-shadow: var(--shadow);
}
.head-side b { display: block; color: var(--btn); font-size: 13px; }
.head-side strong { display: block; margin-top: 4px; font-size: 22px; }
.clarity-bar {
 display: flex;
 flex-wrap: wrap;
 gap: 10px;
 align-items: center;
}
.clarity-bar span { color: var(--muted); margin-right: 6px; }
.chip-btn {
 min-height: 44px;
 padding: 8px 16px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: var(--lift-2);
 color: var(--text);
 cursor: pointer;
 transition: background .2s ease, transform .2s ease, border-color .2s ease;
}
.chip-btn:hover, .chip-btn.is-on {
 background: var(--btn);
 color: var(--ink);
 border-color: var(--btn);
 transform: translateY(-1px);
}
.chapter-rail {
 margin-top: 22px;
 display: flex;
 gap: 14px;
 overflow-x: auto;
 scroll-snap-type: x mandatory;
 padding-bottom: 8px;
}
.chapter-card {
 flex: 0 0 340px;
 scroll-snap-align: start;
 min-height: 250px;
 border-radius: var(--radius);
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 padding: 16px;
 display: flex;
 flex-direction: column;
 justify-content: flex-end;
 background:
 linear-gradient(180deg, rgba(22, 18, 14, .05), rgba(22, 18, 14, .82)),
 linear-gradient(145deg, #C9841A, #6E2E2A 62%, #241C16);
}
.chapter-card:hover { transform: translateY(-2px); outline: 2px solid var(--btn); }
.chapter-card em { font-style: normal; color: #ffe7bf; font-size: 13px; }
.chapter-card h3 { margin: 8px 0; }
.chapter-card p { color: #f6efe4; }
.more-row { margin-top: 16px; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 46px;
 padding: 10px 18px;
 border-radius: 999px;
 border: 1px solid transparent;
 background: var(--btn);
 color: var(--ink);
 font-weight: 760;
 cursor: pointer;
 transition: background .2s ease, transform .2s ease, border-color .2s ease;
}
.btn:hover { background: var(--btn-hover); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: rgba(240, 180, 41, .12); border-color: var(--btn); }
.compare { margin-top: 20px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.compare-head, .compare-row {
 display: grid;
 grid-template-columns: 1.1fr 1fr 1.2fr 1.3fr;
 gap: 10px;
 padding: 16px 18px;
}
.compare-head { background: #3A2418; color: #ffe7bf; font-weight: 700; }
.compare-row { border-top: 1px solid var(--line); background: var(--lift-2); }
.compare-row span { color: var(--muted); }
.excerpt-grid { margin-top: 22px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.excerpt-main, .excerpt-side article {
 border: 1px solid var(--line);
 border-radius: var(--radius);
 background: var(--lift-2);
 box-shadow: var(--shadow);
 padding: 18px;
}
.excerpt-side { display: grid; gap: 14px; }
.excerpt-main p, .excerpt-side p { color: var(--muted); }
.tag {
 align-self: flex-start;
 background: rgba(240, 180, 41, .16);
 color: var(--btn);
 border-radius: 999px;
 padding: 4px 10px;
 font-size: 13px;
 font-weight: 700;
}
.news-list { margin-top: 18px; display: grid; gap: 10px; }
.news-list a {
 display: grid;
 grid-template-columns: 92px 1fr;
 gap: 14px;
 align-items: center;
 padding: 14px 16px;
 border-radius: var(--radius);
 border: 1px solid var(--line);
 background: var(--lift-2);
}
.news-list a:hover { border-color: var(--btn); background: #2E241C; }
.news-list b { color: var(--btn); font-size: 14px; }
.news-list strong { display: block; }
.news-list span { color: var(--muted); font-size: 15px; }
.faq-item {
 margin-top: 10px;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 background: var(--lift-2);
}
.faq-item summary { cursor: pointer; padding: 14px 16px; font-weight: 740; min-height: 44px; }
.faq-item p { color: var(--muted); padding: 0 16px 14px; }
.open-band {
 display: grid;
 grid-template-columns: 1.1fr .9fr;
 gap: 22px;
 align-items: center;
 padding: 26px;
 border-radius: var(--radius);
 background: linear-gradient(90deg, #6E2E2A, #C9841A);
 box-shadow: var(--shadow);
}
.open-band p { color: #fff6ea; }
.open-form { display: grid; gap: 10px; }
.open-form label { display: grid; gap: 6px; font-size: 14px; color: #fff6ea; }
.open-form input, .open-form select {
 min-height: 46px;
 border-radius: 10px;
 border: 1px solid rgba(255, 248, 238, .45);
 background: #1b140f;
 color: var(--text);
 padding: 8px 12px;
}
.open-form input.is-error, .open-form select.is-error { border-color: #ffd0c8; box-shadow: 0 0 0 2px var(--wine); }
.form-tip { min-height: 1.4em; color: #ffe7bf; font-size: 14px; }
.form-tip.ok { color: #ffe08a; }
.site-footer { background: #100d0a; padding: 36px 0 28px; border-top: 1px solid var(--line); }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.footer-logo { font-weight: 760; color: var(--text); }
.footer-grid p { color: var(--muted); max-width: 420px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.footer-links a { color: var(--muted); min-height: 44px; display: inline-flex; align-items: center; }
.footer-links a:hover { color: var(--btn); }
.copy { margin-top: 18px; color: var(--muted); font-size: 14px; }
@media (max-width: 1024px) {
 .hero-grid, .excerpt-grid, .open-band { grid-template-columns: 1fr; }
 .chapter-card { flex-basis: 300px; }
}
@media (max-width: 768px) {
 .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
 .nav-panel {
 display: none;
 position: absolute;
 left: 0;
 right: 0;
 top: 74px;
 background: linear-gradient(180deg, #8A4524, #6E2E2A);
 padding: 10px 16px 16px;
 flex-direction: column;
 align-items: stretch;
}
 .nav-panel.open { display: flex; }
 .nav-panel a { width: 100%; }
 .nav-cta { margin-left: 0; }
 .head-row, .footer-grid { flex-direction: column; }
 .compare-head, .compare-row { grid-template-columns: 1fr; }
 .section { padding: 58px 0; }
 h1 { font-size: 36px; }
 h2 { font-size: 26px; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 .news-list a { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
 h1 { font-size: 32px; }
 h2 { font-size: 24px; }
 body { font-size: 16px; }
 .chapter-card { flex-basis: 86%; }
 .logo { font-size: 14px; }
}