/* roulang page: index */
:root {
  --bg: #12100E;
  --surface: #1C1916;
  --surface-2: #171410;
  --ember: #E25B2A;
  --ember-deep: #c4471c;
  --ember-press: #a83b16;
  --paper: #E7D7C1;
  --wine: #8E3A4B;
  --ivory: #F4EFE8;
  --mute: #A3988C;
  --line: rgba(231, 215, 193, .18);
  --line-strong: rgba(231, 215, 193, .45);
  --radius: 2px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .18);
  --space: 88px;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; letter-spacing: 0; margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; }
::selection { background: var(--ember); color: var(--bg); }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }
[hidden] { display: none !important; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.band { padding: var(--space) 0; background: var(--bg); border-top: 1px solid transparent; }
.band.alt { background: var(--surface); }
.kicker {
  margin: 0 0 10px;
  color: var(--ember);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
}
h1 { font-size: clamp(36px, 5.6vw, 68px); line-height: 1.12; max-width: 10em; }
h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.25; }
h3 { font-size: 22px; line-height: 1.35; color: var(--ivory); }
.lead { max-width: 32em; margin-top: 14px; color: var(--mute); font-size: 17px; line-height: 1.75; }
.hero-copy { max-width: 28em; margin-top: 18px; color: var(--paper); font-size: 17px; line-height: 1.75; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.logo { font-family: var(--serif); font-size: 16px; color: var(--paper); line-height: 1.35; flex: 0 0 auto; }
.site-nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.site-nav a {
  position: relative;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  color: var(--mute);
  font-size: 14px;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 8px;
  height: 1px;
  background: var(--ember);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}
.site-nav a:hover, .site-nav a.is-active { color: var(--ivory); }
.site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); }
.nav-tools { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.lang-switch {
  height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 12px;
}
.lang-switch button {
  min-height: 28px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--mute);
  cursor: pointer;
}
.lang-switch button.is-active { color: var(--paper); }
.nav-toggle {
  display: none;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 14px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn-primary { background: var(--ember); color: var(--bg); }
.btn-primary:hover { background: var(--ember-deep); color: var(--ivory); transform: translateY(-1px); }
.btn-primary:active { background: var(--ember-press); transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--paper); border-color: var(--line-strong); }
.btn-ghost:hover { color: var(--ivory); border-color: var(--paper); transform: translateY(-1px); }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero {
  position: relative;
  padding: 72px 0 88px;
  background:
    radial-gradient(520px 240px at 86% 0%, rgba(226, 91, 42, .16), transparent 70%),
    var(--bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .78fr);
  gap: 42px;
  align-items: center;
}
.ticket {
  position: relative;
  overflow: hidden;
  padding: 28px 24px 22px 32px;
  background: var(--paper);
  color: var(--bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.ticket::before, .ticket::after {
  content: "";
  position: absolute;
  left: -11px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg);
}
.ticket::before { top: 32%; }
.ticket::after { top: 68%; }
.sheen {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 35%, rgba(255,255,255,.38) 50%, transparent 65%);
  transform: translateX(-120%);
  animation: sheen 1.1s ease .35s 1;
  pointer-events: none;
}
.ticket .kicker { color: var(--wine); }
.ticket-num {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 64px;
  line-height: .9;
  color: var(--ember);
  font-weight: 600;
}
.ticket-label { margin-top: 6px; font-family: var(--serif); font-size: 22px; }
.ticket ul { list-style: none; margin-top: 18px; border-top: 1px dashed rgba(18,16,14,.25); }
.ticket li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(18,16,14,.18);
  font-size: 14px;
}
.ticket b { font-family: var(--mono); font-weight: 600; }
.pip-grid {
  height: 86px;
  margin-top: 16px;
  background-color: #efe2d1;
  background-image:
    linear-gradient(rgba(18,16,14,.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18,16,14,.18) 1px, transparent 1px),
    radial-gradient(circle at 18% 35%, #E25B2A 0 4px, transparent 5px),
    radial-gradient(circle at 42% 68%, #8E3A4B 0 4px, transparent 5px),
    radial-gradient(circle at 63% 32%, #E25B2A 0 4px, transparent 5px),
    radial-gradient(circle at 84% 72%, #E25B2A 0 4px, transparent 5px);
  background-size: 14px 14px, 14px 14px, auto, auto, auto, auto;
}
.cols-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 12px; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }
.row-2 { grid-row: span 2; }
.card, .metric, .matrix-card, .channel-card, .anchor-link {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  transition: border-color .18s ease, transform .18s ease;
}
.band.alt .card, .band.alt .metric, .band.alt .matrix-card, .band.alt .channel-card { background: var(--surface-2); }
.card:hover, .metric:hover, .matrix-card:hover, .channel-card:hover, .anchor-link:hover {
  border-color: rgba(226, 91, 42, .75);
  transform: translateY(-1px);
}
.metric .num, .side-num {
  font-family: var(--mono);
  color: var(--ember);
  font-size: 42px;
  line-height: 1;
  font-weight: 600;
}
.metric h3, .matrix-card h3, .card h3 { margin: 8px 0; font-size: 20px; }
.note, .card p, .matrix-card p, .channel-card p, .anchor-link p { color: var(--mute); font-size: 16px; line-height: 1.75; }
.matrix-card.lg { min-height: 100%; display: flex; flex-direction: column; }
.heat-visual {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 150px;
  margin-top: auto;
  padding: 12px;
  background: #241f1b;
}
.heat-visual i { display: block; flex: 1; background: var(--ember); }
.heat-visual i:nth-child(odd) { background: var(--wine); }
.b1 { height: 42%; } .b2 { height: 68%; } .b3 { height: 48%; } .b4 { height: 92%; }
.b5 { height: 74%; } .b6 { height: 86%; } .b7 { height: 56%; } .b8 { height: 79%; }
.scene-row { display: grid; grid-template-columns: 1.35fr .82fr .82fr; gap: 12px; margin-top: 28px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); margin-top: 28px; }
.compare article { padding: 28px 24px 18px; background: var(--surface-2); }
.compare article + article { border-left: 1px solid var(--line); }
.clean { list-style: none; margin-top: 8px; }
.clean li { padding: 12px 0; border-top: 1px solid var(--line); color: var(--mute); font-size: 16px; line-height: 1.75; }
.tag {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
}
.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 28px;
  position: relative;
  overflow-x: auto;
  padding-bottom: 6px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 18px;
  height: 1px;
  background: var(--line-strong);
}
.time-item { min-width: 180px; padding-top: 8px; }
.dot { width: 9px; height: 9px; background: var(--ember); display: block; margin: 6px 0 16px; position: relative; z-index: 1; }
.time-item strong { display: block; font-family: var(--mono); color: var(--paper); font-size: 14px; }
.news-layout { display: grid; grid-template-columns: 1.45fr .8fr; gap: 18px; margin-top: 28px; }
.feature { min-height: 100%; }
.feature .when, .side-item .when { font-family: var(--mono); color: var(--ember); font-size: 12px; }
.side-list { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--surface-2); }
.side-item { padding: 16px 18px; border-bottom: 1px solid var(--line); }
.side-item:last-child { border-bottom: 0; }
.side-item h3 { font-size: 18px; margin: 6px 0; }
.more-row { margin-top: 18px; }
.quick-list { margin-top: 18px; }
.quick-item, .voice {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.quick-item h3, .voice h3 { font-size: 18px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 58px;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-size: 18px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--ember); font-family: var(--mono); font-size: 22px; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { max-width: 40em; padding: 0 0 16px; color: var(--mute); }
.voice-list { margin-top: 10px; }
.voice { align-items: start; }
.who { font-family: var(--serif); color: var(--paper); }
.form-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 36px; align-items: start; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field span { color: var(--paper); font-size: 14px; }
input, select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ivory);
}
.check { display: flex; align-items: center; gap: 8px; color: var(--paper); font-size: 15px; }
.check input { width: 16px; min-height: 16px; accent-color: var(--ember); }
.form-error { color: #e7b4be; font-size: 14px; }
.form-success {
  border: 1px solid var(--line-strong);
  padding: 28px 20px;
  background: var(--bg);
}
.form-success strong { display: block; font-family: var(--serif); font-size: 28px; margin-bottom: 8px; }
.anchor-link { display: block; min-height: 100%; }
.anchor-link h3 { font-size: 18px; margin-bottom: 6px; }
.site-footer { padding: 48px 0 28px; border-top: 1px solid var(--line); background: #0e0c0b; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 18px; align-content: start; }
.foot-links a { color: var(--mute); border-bottom: 1px solid transparent; }
.foot-links a:hover { color: var(--paper); border-color: var(--ember); }
.age-note { margin-top: 12px; max-width: 36em; color: var(--mute); font-size: 15px; }
.copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--mute); font-size: 13px; }
@keyframes sheen { from { transform: translateX(-120%); } to { transform: translateX(120%); } }
@media (max-width: 1280px) {
  .container, .nav-wrap { width: min(1180px, calc(100% - 36px)); }
}
@media (max-width: 1024px) {
  :root { --space: 64px; }
  .span-7, .span-5, .span-4, .span-3, .span-8, .span-6 { grid-column: span 6; }
  .row-2 { grid-row: auto; }
  .scene-row, .news-layout, .form-layout, .foot-grid { grid-template-columns: 1fr 1fr; }
  .quick-item, .voice { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 768px) {
  :root { --space: 52px; }
  .hero { padding: 48px 0 52px; }
  .hero-grid, .compare, .scene-row, .news-layout, .form-layout, .foot-grid, .fields { grid-template-columns: 1fr; }
  .compare article + article { border-left: 0; border-top: 1px solid var(--line); }
  .nav-toggle { display: inline-flex; }
  .nav-wrap { flex-wrap: wrap; min-height: 64px; padding: 10px 0; }
  .logo { order: 1; }
  .nav-tools { order: 2; }
  .site-nav {
    display: none;
    order: 3;
    flex-basis: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: 6px 0 8px;
  }
  .site-nav.is-open { display: flex; }
  .ticket-num { font-size: 52px; }
}
@media (max-width: 640px) {
  .container, .nav-wrap { width: calc(100% - 28px); }
  :root { --space: 44px; }
  h1 { font-size: 36px; }
  .span-7, .span-5, .span-4, .span-3, .span-8, .span-6, .span-12 { grid-column: span 12; }
  .metric .num { font-size: 34px; }
  .logo { flex: 1 0 100%; }
  .nav-tools { width: 100%; margin-left: 0; justify-content: space-between; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .sheen { display: none; }
}

/* roulang page: category1 */
:root {
 --bg: #12100E;
 --surface: #1C1916;
 --surface-2: #171410;
 --ember: #E25B2A;
 --ember-deep: #c4471c;
 --ember-press: #a83b16;
 --paper: #E7D7C1;
 --wine: #8E3A4B;
 --ivory: #F4EFE8;
 --mute: #A3988C;
 --line: rgba(231, 215, 193, .18);
 --line-strong: rgba(231, 215, 193, .45);
 --radius: 2px;
 --shadow: 0 10px 30px rgba(0, 0, 0, .18);
 --space: 88px;
 --serif: "Noto Serif SC", "Songti SC", serif;
 --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
 --mono: "IBM Plex Mono", ui-monospace, monospace;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ivory);
 font-family: var(--sans);
 font-size: 17px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.25; text-align: left; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: rgba(18, 16, 14, .96);
 border-bottom: 1px solid var(--line);
}
.nav-wrap {
 width: min(1180px, calc(100% - 40px));
 margin: 0 auto;
 min-height: 72px;
 display: flex;
 align-items: center;
 gap: 18px;
 position: relative;
}
.logo { font-family: var(--serif); font-size: 16px; color: var(--paper); line-height: 1.35; flex: 0 0 auto; }
.site-nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.site-nav a {
 position: relative;
 min-height: 40px;
 display: inline-flex;
 align-items: center;
 padding: 0 10px;
 color: var(--mute);
 font-size: 14px;
}
.site-nav a::after {
 content: "";
 position: absolute;
 left: 10px;
 right: 10px;
 bottom: 8px;
 height: 1px;
 background: var(--ember);
 transform: scaleX(0);
 transform-origin: left;
 transition: transform .18s ease;
}
.site-nav a:hover, .site-nav a.is-active { color: var(--ivory); }
.site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); }
.nav-tools { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.lang-switch {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 height: 32px;
 padding: 0 10px;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius);
 color: var(--mute);
 font-size: 12px;
 letter-spacing: .04em;
}
.lang-switch button {
 min-height: 28px;
 padding: 0;
 border: 0;
 background: transparent;
 color: var(--mute);
 cursor: pointer;
}
.lang-switch button.is-active { color: var(--paper); }
.nav-toggle {
 display: none;
 min-height: 40px;
 padding: 0 12px;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius);
 background: transparent;
 color: var(--paper);
 cursor: pointer;
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 40px;
 padding: 0 16px;
 border-radius: var(--radius);
 border: 1px solid transparent;
 font-size: 14px;
 letter-spacing: .04em;
 cursor: pointer;
 transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn-primary { background: var(--ember); color: var(--bg); }
.btn-primary:hover { background: var(--ember-deep); color: var(--ivory); transform: translateY(-1px); }
.btn-primary:active { background: var(--ember-press); transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--paper); border-color: var(--line-strong); }
.btn-ghost:hover { color: var(--ivory); border-color: var(--paper); transform: translateY(-1px); }
.btn:focus-visible, .chip:focus-visible, .site-nav a:focus-visible, .qa summary:focus-visible, .logo:focus-visible {
 outline: 1px solid var(--ember);
 outline-offset: 2px;
}
.band { padding: var(--space) 0; border-top: 1px solid transparent; }
.band.alt { background: var(--surface); }
.band.ink { background: var(--surface-2); }
.band h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 14px; }
.lead { max-width: 34em; color: var(--mute); font-size: 16px; line-height: 1.75; }
.tag {
 display: inline-flex;
 align-items: center;
 min-height: 22px;
 padding: 0 6px;
 border: 1px solid var(--line-strong);
 color: var(--paper);
 font-family: var(--mono);
 font-size: 12px;
 letter-spacing: .04em;
}
.page-head {
 padding: 36px 0 32px;
 background:
 radial-gradient(420px 180px at 88% 0%, rgba(226, 91, 42, .16), transparent 70%),
 var(--bg);
}
.head-grid {
 display: grid;
 grid-template-columns: minmax(0, 1.4fr) minmax(240px, .62fr);
 gap: 28px;
 align-items: end;
}
.kicker { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
h1 { font-size: clamp(34px, 5vw, 64px); max-width: 12em; color: var(--ivory); }
.sub { max-width: 28em; margin-top: 14px; color: var(--paper); font-size: 17px; line-height: 1.75; }
.heat-mini {
 display: flex;
 align-items: flex-end;
 justify-content: space-between;
 gap: 12px;
 padding: 16px 16px 14px;
 background: var(--surface);
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 position: relative;
}
.heat-mini::before, .heat-mini::after {
 content: "";
 position: absolute;
 width: 12px;
 height: 12px;
 border-radius: 50%;
 background: var(--bg);
 top: 50%;
 transform: translateY(-50%);
}
.heat-mini::before { left: -7px; }
.heat-mini::after { right: -7px; }
.heat-mini b {
 display: block;
 font-family: var(--mono);
 font-weight: 600;
 color: var(--ember);
 line-height: 1;
}
.heat-mini span { display: block; margin-top: 6px; color: var(--mute); font-size: 12px; }
.heat-mini div:nth-child(1) b { font-size: 42px; }
.heat-mini div:nth-child(2) b { font-size: 30px; }
.heat-mini div:nth-child(3) b { font-size: 22px; color: var(--paper); }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip {
 min-height: 34px;
 padding: 0 12px;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 background: transparent;
 color: var(--paper);
 font-size: 14px;
 cursor: pointer;
 transition: border-color .18s ease, color .18s ease, background .18s ease, transform .18s ease;
}
.chip:hover { border-color: var(--paper); transform: translateY(-1px); }
.chip.is-active { background: var(--ember); border-color: var(--ember); color: var(--bg); }
.pick-layout { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 12px; margin-top: 8px; }
.pick-main { grid-column: span 7; display: grid; grid-template-columns: 1.35fr 1fr; gap: 12px; align-content: start; }
.pick-side { grid-column: span 5; display: flex; flex-direction: column; gap: 12px; }
.stub {
 position: relative;
 background: var(--surface-2);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 16px;
 transition: border-color .18s ease, transform .18s ease;
}
.band.alt .stub { background: #141210; }
.stub:hover { border-color: rgba(226, 91, 42, .75); transform: translateY(-1px); }
.stub-lg { grid-column: 1 / -1; }
.stub-line { border-left: 2px solid var(--wine); }
.stub.is-hot { border-color: rgba(226, 91, 42, .55); }
.when { font-family: var(--mono); color: var(--ember); font-size: 12px; }
.stub h3 { margin: 8px 0; font-size: 20px; }
.stub p { color: var(--mute); font-size: 16px; line-height: 1.75; }
.num {
 font-family: var(--mono);
 font-size: 28px;
 color: var(--paper);
 line-height: 1;
}
.stub-lg .num { font-size: 48px; color: var(--ember); }
.heat-art {
 height: 96px;
 margin-bottom: 14px;
 border: 1px solid var(--line);
 background-color: #241c18;
 background-image:
 radial-gradient(circle at 18% 46%, #E25B2A 0 7px, transparent 8px),
 radial-gradient(circle at 48% 62%, #8E3A4B 0 12px, transparent 13px),
 radial-gradient(circle at 74% 34%, rgba(231, 215, 193, .85) 0 4px, transparent 5px),
 linear-gradient(rgba(18, 16, 14, .35) 1px, transparent 1px),
 linear-gradient(90deg, rgba(18, 16, 14, .35) 1px, transparent 1px);
 background-size: auto, auto, auto, 14px 14px, 14px 14px;
}
.sheen { position: relative; overflow: hidden; }
.sheen::after {
 content: "";
 position: absolute;
 top: 0;
 bottom: 0;
 width: 24%;
 left: -30%;
 background: linear-gradient(90deg, transparent, rgba(231, 215, 193, .18), transparent);
 animation: sheen 1.1s ease 1;
 pointer-events: none;
}
@keyframes sheen { to { left: 130%; } }
.more-line {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
}
.more-link {
 display: inline-flex;
 align-items: center;
 min-height: 40px;
 color: var(--paper);
 border-bottom: 1px solid var(--ember);
 font-size: 15px;
}
.more-link:hover { color: var(--ivory); transform: translateY(-1px); }
.scene-row { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 12px; }
.scene {
 min-height: 100%;
 padding: 18px;
 background: var(--surface);
 border: 1px solid var(--line);
 border-radius: var(--radius);
}
.scene:first-child { background: linear-gradient(180deg, rgba(142, 58, 75, .28), var(--surface) 42%); }
.scene h3 { font-size: 22px; margin: 10px 0; }
.scene p { color: var(--mute); }
.bar-list { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.hbar { display: grid; grid-template-columns: 120px 1fr 52px; gap: 12px; align-items: center; }
.hbar span { color: var(--paper); font-size: 14px; }
.hbar b { font-family: var(--mono); color: var(--ember); font-size: 14px; text-align: right; }
.track { height: 4px; background: rgba(231, 215, 193, .12); }
.track i { display: block; height: 100%; width: 0; background: var(--ember); transition: width .8s ease; }
.qa { border-top: 1px solid var(--line); }
.qa:last-child { border-bottom: 1px solid var(--line); }
.qa summary {
 min-height: 58px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 cursor: pointer;
 list-style: none;
 font-family: var(--serif);
 font-size: 20px;
 color: var(--ivory);
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; font-family: var(--mono); color: var(--ember); font-size: 18px; }
.qa[open] summary::after { content: "–"; }
.qa summary:hover { color: var(--paper); }
.qa p { max-width: 40em; padding: 0 0 16px; color: var(--mute); }
.back-grid {
 display: grid;
 grid-template-columns: minmax(0, 1.4fr) auto;
 gap: 22px;
 align-items: center;
 padding: 22px;
 border: 1px solid var(--line-strong);
 background:
 linear-gradient(90deg, rgba(226, 91, 42, .14), transparent 46%),
 var(--surface);
}
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 28px; background: var(--surface-2); }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 28px; align-items: start; }
.age-note { margin-top: 12px; color: var(--mute); max-width: 36em; font-size: 15px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; align-content: start; }
.foot-links a { color: var(--paper); border-bottom: 1px solid transparent; min-height: 32px; display: inline-flex; align-items: center; }
.foot-links a:hover { color: var(--ivory); border-bottom-color: var(--ember); }
.copy { margin-top: 28px; color: var(--mute); font-size: 13px; font-family: var(--mono); }
[hidden] { display: none !important; }
@media (max-width: 1024px) {
 .nav-toggle { display: inline-flex; }
 .site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  align-items: stretch;
  background: #1c1916;
  border-bottom: 1px solid var(--line);
  padding: 8px 0 12px;
  z-index: 50;
 }
 .site-nav.is-open { display: flex; }
 .site-nav a { min-height: 44px; padding: 0 16px; }
 .pick-layout { grid-template-columns: 1fr; }
 .pick-main, .pick-side { grid-column: auto; }
 .pick-main { grid-template-columns: 1fr 1fr; }
 .head-grid, .back-grid, .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
 :root { --space: 48px; }
 .container, .nav-wrap { width: min(1180px, calc(100% - 28px)); }
 .logo { font-size: 14px; max-width: 42vw; }
 .scene-row, .pick-main, .hbar { grid-template-columns: 1fr; }
 .hbar b { text-align: left; }
 .more-line, .heat-mini { align-items: flex-start; }
 .heat-mini { flex-wrap: wrap; }
 h1 { font-size: clamp(34px, 10vw, 40px); }
}
@media (max-width: 640px) {
 .nav-tools .btn { display: none; }
 .stub-lg .num { font-size: 40px; }
 .heat-mini div:nth-child(1) b { font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after {
  animation: none !important;
  transition: none !important;
 }
}

/* roulang page: category2 */
:root {
  --bg: #12100E;
  --surface: #1C1916;
  --surface-2: #171410;
  --ember: #E25B2A;
  --ember-deep: #c4471c;
  --ember-press: #a83b16;
  --paper: #E7D7C1;
  --wine: #8E3A4B;
  --ivory: #F4EFE8;
  --mute: #A3988C;
  --line: rgba(231, 215, 193, .18);
  --line-strong: rgba(231, 215, 193, .45);
  --radius: 2px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .18);
  --space: 88px;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.page {
  margin: 0;
  background: var(--bg);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--ember); color: var(--bg); }
:focus-visible {
  outline: 1px solid var(--ember);
  outline-offset: 2px;
}
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(18, 16, 14, .96);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  position: relative;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.logo {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--paper);
  line-height: 1.35;
  flex: 1 1 auto;
}
.site-nav { display: flex; align-items: center; gap: 4px; flex: 1 1 auto; }
.site-nav a {
  position: relative;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  color: var(--mute);
  font-size: 14px;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 8px;
  height: 1px;
  background: var(--ember);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}
.site-nav a:hover, .site-nav a.is-active { color: var(--ivory); }
.site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); }
.nav-tools { display: flex; align-items: center; gap: 10px; margin-left: auto; flex: 0 0 auto; }
.lang-switch {
  height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--mute);
}
.lang-switch button {
  min-height: 28px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--mute);
  cursor: pointer;
  font-size: 13px;
}
.lang-switch button.is-active { color: var(--paper); }
.nav-toggle {
  display: none;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 14px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn-primary { background: var(--ember); color: var(--bg); }
.btn-primary:hover { background: var(--ember-deep); color: var(--ivory); transform: translateY(-1px); }
.btn-primary:active { background: var(--ember-press); transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--paper); border-color: var(--line-strong); }
.btn-ghost:hover { color: var(--ivory); border-color: var(--paper); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); }
.shrink-0 { flex-shrink: 0; }
.band { padding: 80px 0; background: var(--bg); }
.band.alt { background: var(--surface-2); }
.band-head {
  padding: 40px 0 36px;
  background:
    radial-gradient(420px 160px at 92% 0%, rgba(226, 91, 42, .16), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.head-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(240px, .62fr);
  gap: 28px;
  align-items: center;
}
.kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.tag {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  background: transparent;
}
.tag.wine { color: var(--paper); border-color: rgba(142, 58, 75, .8); }
.band-title {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 60px;
  line-height: 1.15;
  letter-spacing: 0;
  max-width: 12em;
}
.rule {
  width: 48px;
  height: 2px;
  margin: 16px 0;
  border: 0;
  background: var(--ember);
}
.band-lead, .sec-lead {
  margin: 0;
  max-width: 26em;
  color: var(--mute);
  font-size: 17px;
  line-height: 1.75;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.stub {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 16px 14px 26px;
  overflow: hidden;
}
.stub::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 14px;
  background: radial-gradient(circle at 0 12px, transparent 6px, #2a241f 7px) 0 0 / 14px 18px repeat-y;
}
.stub-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.heat-bars { width: 92px; height: 36px; display: block; }
.heat-label {
  margin: 12px 0 0;
  color: var(--mute);
  font-size: 13px;
}
.heat-num {
  margin: 0;
  font-family: var(--mono);
  font-size: 64px;
  line-height: 1;
  color: var(--ember);
  letter-spacing: -1px;
}
.stub-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
}
.stub-meta span { display: block; color: var(--mute); font-size: 12px; }
.stub-meta strong {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--paper);
  font-size: 14px;
}
.sec-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  margin-bottom: 22px;
}
.sec-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 32px;
  line-height: 1.3;
}
.slot-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr .9fr;
  gap: 10px;
}
.slot {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 74px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .18s ease, transform .18s ease;
}
.band.alt .slot { background: #141210; }
.slot:hover { border-color: rgba(226, 91, 42, .75); transform: translateY(-1px); }
.slot b {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--ember);
  font-size: 12px;
}
.slot span { color: var(--ivory); font-size: 16px; }
.strip-list {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
}
.strip {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px 18px;
  border-bottom: 1px solid var(--line);
  transition: background .18s ease;
}
.strip:last-child { border-bottom: 0; }
.strip:hover { background: #221e1a; }
.strip-time strong {
  display: block;
  margin-top: 6px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
}
.strip h3 { margin: 0 0 4px; font-size: 18px; font-weight: 700; }
.strip p { margin: 0; color: var(--mute); font-size: 16px; line-height: 1.75; }
.strip-num {
  font-family: var(--mono);
  font-size: 28px;
  color: var(--paper);
  min-width: 3ch;
  text-align: right;
}
.more-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px 18px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, transparent 10px, var(--surface) 10px);
  border-radius: var(--radius);
}
.more-bar p { margin: 8px 0 0; color: var(--mute); max-width: 36em; }
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.compare-col {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 8px;
}
.band.alt .compare-col { background: #141210; }
.compare-col h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 24px;
}
.compare-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.compare-row span { color: var(--mute); }
.compare-row b { font-weight: 500; color: var(--ivory); }
.note-grid {
  display: grid;
  grid-template-columns: minmax(180px, .7fr) minmax(0, 1.5fr);
  gap: 28px;
}
.note-list { border-top: 1px solid var(--line); }
.note-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.note-item em {
  font-style: normal;
  font-family: var(--mono);
  color: var(--ember);
  font-size: 13px;
}
.note-item p { margin: 0; color: var(--paper); }
.faq-list { border-bottom: 1px solid var(--line); }
.faq-item { border-top: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 58px;
  padding: 14px 0;
  background: transparent;
  border: 0;
  color: var(--ivory);
  font-size: 17px;
  text-align: left;
  cursor: pointer;
}
.faq-q i {
  flex: 0 0 auto;
  font-style: normal;
  font-family: var(--mono);
  color: var(--ember);
  transition: transform .18s ease;
}
.faq-item.is-open .faq-q { color: var(--paper); }
.faq-item.is-open .faq-q i { transform: rotate(45deg); }
.faq-a { display: none; margin: 0; padding: 0 0 16px; color: var(--mute); max-width: 40em; }
.faq-item.is-open .faq-a { display: block; }
.form-grid-wrap {
  display: grid;
  grid-template-columns: minmax(200px, .72fr) minmax(0, 1.28fr);
  gap: 28px;
  align-items: start;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  transition: border-color .18s ease, transform .18s ease;
}
.card:hover { border-color: rgba(226, 91, 42, .75); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.span-2 { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field span, .check span { color: var(--mute); font-size: 13px; }
.field input, .field select {
  min-height: 42px;
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0 12px;
  font-size: 15px;
}
.field input:focus, .field select:focus { border-color: var(--ember); }
.field input::placeholder { color: #7d746b; }
.check {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
}
.check input { width: 16px; height: 16px; accent-color: var(--ember); }
.form-error { min-height: 1.5em; margin: 8px 0 0; color: #e7b2bc; font-size: 14px; }
.form-ok {
  margin: 0;
  padding: 22px 8px;
  color: var(--paper);
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.45;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
  background: var(--bg);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 28px;
}
.age-note { color: var(--mute); max-width: 36em; margin: 10px 0 0; font-size: 14px; line-height: 1.75; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; align-content: start; }
.foot-links a {
  color: var(--paper);
  font-size: 14px;
  border-bottom: 1px solid transparent;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}
.foot-links a:hover { border-bottom-color: var(--ember); color: var(--ivory); }
.copy { margin: 28px 0 0; color: var(--mute); font-size: 13px; font-family: var(--mono); }
@media (max-width: 1280px) {
  .band-title { font-size: 56px; }
}
@media (max-width: 1024px) {
  .nav-toggle { display: inline-flex; align-items: center; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 8px 0 12px;
    z-index: 50;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { width: 100%; padding: 0 4px; }
  .slot-row { grid-template-columns: 1fr 1fr; }
  .head-grid, .note-grid, .form-grid-wrap, .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .band { padding: 52px 0; }
  .band-head { padding: 32px 0 28px; }
  .sec-title { font-size: 28px; }
  .strip { grid-template-columns: 1fr auto; }
  .strip-time { grid-column: 1 / -1; }
  .compare { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .container, .nav-wrap { width: min(1180px, calc(100% - 32px)); }
  .band-title { font-size: 36px; }
  .heat-num { font-size: 52px; }
  .logo { font-size: 14px; }
  .form-grid, .slot-row, .note-item, .compare-row { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .more-bar, .sec-head { flex-direction: column; align-items: flex-start; }
  .nav-wrap { min-height: 64px; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}