/* roulang page: index */
:root {
  --wine: #6E2E3A;
  --wine-2: #8A3C4B;
  --wine-deep: #4E222B;
  --ink: #241C1A;
  --bg: #F3EEE7;
  --bg-deep: #E7DFD4;
  --paper: #FBF8F4;
  --walnut: #8C6248;
  --brass: #A78455;
  --muted: #5C514C;
  --line: rgba(140, 98, 72, 0.45);
  --shadow: 0 10px 22px rgba(36, 28, 26, 0.06);
  --radius: 3px;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --space: 76px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.82;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 0.85em; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.35; margin: 0 0 0.45em; letter-spacing: 0.01em; }
h1 { font-size: 42px; }
h2 { font-size: 30px; }
h3 { font-size: 20px; }
::selection { background: #E4CDB4; color: var(--ink); }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #F3EEE7;
  border-bottom: 1px solid var(--line);
}
.nav-bar {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  color: var(--ink);
  border-bottom: 1px solid var(--brass);
  padding-bottom: 2px;
}
.logo strong {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.logo small {
  color: var(--walnut);
  font-size: 11px;
  letter-spacing: 0.14em;
  line-height: 1.4;
}
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-links a {
  font-size: 15px;
  color: var(--ink);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover { color: var(--wine); border-bottom-color: var(--brass); }
.nav-actions { display: flex; align-items: center; gap: 10px; margin-left: 18px; }
.nav-toggle {
  display: none;
  border: 1px solid var(--walnut);
  background: transparent;
  color: var(--ink);
  border-radius: var(--radius);
  min-height: 38px;
  padding: 0 12px;
  cursor: pointer;
}
.nav-toggle:hover { background: var(--bg-deep); }
.nav-toggle:active { transform: translateY(1px); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid var(--wine);
  background: var(--wine);
  color: #F3EEE7;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease;
  box-shadow: 0 8px 16px rgba(110, 46, 58, 0.16);
}
.btn:hover { background: var(--wine-2); box-shadow: 0 3px 8px rgba(110, 46, 58, 0.18); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn:disabled, .btn.is-disabled { opacity: 0.45; pointer-events: none; box-shadow: none; }
.btn-pill { border-radius: 999px; padding: 0 22px; }
.btn-line {
  background: transparent;
  color: var(--walnut);
  border-color: var(--walnut);
  box-shadow: none;
}
.btn-line:hover { background: #E4D9CC; color: var(--ink); box-shadow: none; }
.btn-light { background: #F3EEE7; color: var(--wine-deep); border-color: #F3EEE7; }
.btn-light:hover { background: #fff; }
.band { padding: var(--space) 0; }
.band-deep { background: var(--bg-deep); }
.band-paper { background: var(--paper); }
.kicker {
  margin: 0 0 8px;
  color: var(--brass);
  font-size: 13px;
  letter-spacing: 0.18em;
}
.lead { max-width: 760px; color: var(--muted); font-size: 16px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 42px;
  align-items: center;
}
.hero-copy h1 { margin-bottom: 10px; }
.subhead { font-family: var(--serif); font-size: 20px; color: var(--wine-deep); margin: 0 0 14px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.frame {
  min-height: 420px;
  border: 1px solid var(--walnut);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(167, 132, 85, 0.16), transparent 42%),
    repeating-linear-gradient(135deg, #E7DFD4 0 14px, #F7F3EE 14px 28px);
  box-shadow: var(--shadow);
  position: relative;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.frame-tag, .badge, .status {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border: 1px solid var(--brass);
  border-radius: var(--radius);
  color: var(--wine-deep);
  background: rgba(251, 248, 244, 0.86);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.frame-sheet {
  align-self: flex-end;
  width: min(100%, 280px);
  background: var(--paper);
  border: 1px solid var(--walnut);
  border-radius: var(--radius);
  padding: 16px 16px 8px;
  box-shadow: var(--shadow);
}
.frame-sheet li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-top: 1px solid var(--line); font-size: 14px; }
.frame-sheet ul { list-style: none; margin: 8px 0 0; padding: 0; }
.feature-layout { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(220px, 0.7fr); gap: 22px; margin-top: 28px; }
.feature-main { display: flex; flex-direction: column; gap: 14px; }
.feature-item, .side-note, .scene-board, .case-main, .case-sub article, .channel-card, .voice, .review-card, .ledger, .demo-stage {
  background: var(--paper);
  border: 1px solid var(--walnut);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.feature-item { padding: 18px 18px 14px; display: grid; grid-template-columns: 148px 1fr auto; gap: 12px; align-items: start; }
.feature-item h3 { font-size: 18px; margin: 0; }
.feature-item p { margin: 0; color: var(--muted); }
.feature-item a:hover { color: var(--wine); }
.side-note { padding: 18px; background: #F6F1EA; }
.side-note ol { margin: 0; padding-left: 18px; }
.side-note li { margin: 0 0 12px; }
.side-note a { border-bottom: 1px solid var(--brass); }
.compare-strip { margin-top: 26px; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--walnut); border-radius: var(--radius); overflow: hidden; background: var(--paper); }
.compare-col { padding: 20px 18px 16px; border-right: 1px solid var(--line); }
.compare-col:last-child { border-right: 0; }
.compare-col ul { list-style: none; margin: 12px 0 0; padding: 0; }
.compare-col li { display: flex; justify-content: space-between; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 14px; }
.compare-col span { color: var(--muted); }
.compare-col.is-mid { background: #F8F1E6; box-shadow: inset 0 2px 0 var(--brass); }
.scene-stack { margin-top: 28px; display: flex; flex-direction: column; gap: 18px; }
.scene-board { padding: 24px; }
.scene-wide { width: min(100%, 860px); }
.scene-narrow { width: min(100%, 640px); margin-left: auto; background: #F8F1E6; }
.scene-board .meta { color: var(--brass); font-size: 13px; letter-spacing: 0.08em; margin-bottom: 6px; }
.path { margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); }
.path-step { padding: 16px 18px 0 0; border-top: 1px solid var(--brass); }
.path-step em { display: block; font-style: normal; color: var(--brass); font-family: var(--serif); margin-bottom: 8px; }
.demo-stage { margin-top: 22px; min-height: 360px; position: relative; padding: 18px; background:
  linear-gradient(180deg, rgba(110, 46, 58, 0.08), transparent 36%),
  repeating-linear-gradient(90deg, #EFE7DC 0 18px, #F7F3EE 18px 36px); }
.demo-stage .badge { position: absolute; left: 18px; bottom: 18px; }
.filmstrip { margin-top: 14px; display: flex; gap: 12px; overflow-x: auto; padding-bottom: 6px; scroll-snap-type: x mandatory; }
.film-item { flex: 0 0 180px; scroll-snap-align: start; border: 1px solid var(--walnut); border-radius: var(--radius); background: var(--paper); }
.film-ph { height: 92px; background: repeating-linear-gradient(135deg, #E7DFD4 0 10px, #F3EEE7 10px 20px); border-bottom: 1px solid var(--line); }
.film-item p { margin: 0; padding: 8px 10px 10px; font-size: 13px; }
.case-main { margin-top: 24px; padding: 26px; display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 20px; }
.case-stack { margin-top: 14px; display: flex; flex-direction: column; gap: 12px; }
.case-sub article { padding: 18px 20px; }
.stat-row { display: flex; flex-wrap: wrap; gap: 18px; }
.stat-row b { display: block; font-family: var(--serif); font-size: 28px; color: var(--wine); font-weight: 600; }
.stat-row span { color: var(--muted); font-size: 13px; }
.ledger { margin-top: 24px; overflow: hidden; }
.ledger-row, .ledger-head { display: grid; grid-template-columns: 1.1fr 0.8fr 1fr 1.4fr auto; gap: 10px; align-items: center; padding: 16px 18px; }
.ledger-head { color: var(--muted); font-size: 13px; letter-spacing: 0.08em; border-bottom: 1px solid var(--line); }
.ledger-row { border-top: 1px solid var(--line); }
.ledger-row.is-core { background: #F8F1E6; box-shadow: inset 3px 0 0 var(--brass); }
.price { font-family: var(--serif); font-size: 28px; color: var(--wine); }
.review-wall { margin-top: 24px; columns: 3 220px; column-gap: 14px; }
.review-card { break-inside: avoid; display: inline-block; width: 100%; margin: 0 0 14px; padding: 16px; }
.review-card p { margin: 0; }
.review-card.short { padding-bottom: 22px; }
.review-card.tall { padding-bottom: 34px; }
.voice-list { margin-top: 24px; display: flex; flex-direction: column; gap: 16px; }
.voice { margin: 0; padding: 22px 22px 16px; position: relative; }
.voice-right { width: min(100%, 820px); margin-left: auto; }
.voice-left { width: min(100%, 780px); }
.quote-mark { font-family: var(--serif); color: var(--brass); font-size: 34px; line-height: 1; }
.voice footer { color: var(--walnut); font-size: 13px; }
.channel-grid { margin-top: 24px; display: grid; grid-template-columns: 1.25fr 0.85fr; gap: 16px; }
.channel-card { padding: 22px; min-height: 180px; display: flex; flex-direction: column; justify-content: space-between; }
.channel-card:hover { border-color: var(--brass); transform: translateY(-2px); transition: transform .2s ease, border-color .2s ease; }
.news-list { list-style: none; margin: 22px 0 0; padding: 0; border-top: 1px solid var(--line); }
.news-list li { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.news-list time { color: var(--walnut); font-variant-numeric: tabular-nums; }
.more-link { display: inline-block; margin-top: 16px; color: var(--wine); border-bottom: 1px solid var(--brass); padding-bottom: 2px; }
.more-link:hover { color: var(--wine-2); }
.timeline { list-style: none; margin: 24px 0 0; padding: 0 0 0 18px; border-left: 1px solid var(--brass); }
.timeline li { position: relative; padding: 0 0 22px 18px; }
.timeline li::before { content: ""; position: absolute; left: -23px; top: 8px; width: 9px; height: 9px; border-radius: 50%; background: var(--brass); }
.timeline time { color: var(--walnut); font-size: 13px; }
.faq-item { border-top: 1px solid var(--line); background: transparent; }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary { cursor: pointer; padding: 16px 4px; font-family: var(--serif); font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "＋"; color: var(--brass); font-family: var(--sans); }
.faq-item[open] summary::after { content: "－"; }
.faq-item p { color: var(--muted); padding: 0 0 14px; max-width: 820px; }
.cta-band { background: var(--wine-deep); color: #F3EEE7; }
.cta-band .lead { color: rgba(243, 238, 231, 0.84); }
.cta-row { display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.site-footer { background: var(--ink); color: #F3EEE7; padding: 36px 0 28px; }
.footer-bar { display: flex; justify-content: space-between; gap: 20px; align-items: center; flex-wrap: wrap; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.footer-links a { border-bottom: 1px solid transparent; }
.footer-links a:hover { border-bottom-color: var(--brass); }
.copy { margin: 18px 0 0; color: rgba(243, 238, 231, 0.72); font-size: 13px; }
@media (max-width: 1024px) {
  h1 { font-size: 36px; }
  .feature-item { grid-template-columns: 1fr; }
  .case-main, .ledger-row, .ledger-head { grid-template-columns: 1fr 1fr; }
  .ledger-head { display: none; }
  .hero-grid { gap: 28px; }
}
@media (max-width: 768px) {
  :root { --space: 56px; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    padding: 8px 20px 16px;
    background: #F3EEE7;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .nav-links.is-open { display: flex; }
  .nav-actions { margin-left: auto; }
  .hero-grid, .feature-layout, .compare-strip, .channel-grid, .case-main, .path { grid-template-columns: 1fr; }
  .path-step { border-top: 0; border-left: 1px solid var(--brass); padding: 0 0 20px 14px; }
  .scene-wide, .scene-narrow, .voice-left, .voice-right { width: 100%; margin-left: 0; }
  .review-wall { columns: 2 180px; }
  .cta-row { flex-direction: column; align-items: flex-start; }
  .compare-col { border-right: 0; border-bottom: 1px solid var(--line); }
}
@media (max-width: 640px) {
  .container { width: min(1120px, calc(100% - 28px)); }
  h1 { font-size: 30px; }
  h2 { font-size: 24px; }
  .logo strong { font-size: 13px; }
  .logo small { display: none; }
  .news-list li, .ledger-row { grid-template-columns: 1fr; }
  .review-wall { columns: 1; }
  .frame { min-height: 300px; }
  .hero-actions .btn, .cta-row .btn { width: 100%; }
}

/* roulang page: category1 */
:root {
  --wine: #6E2E3A;
  --wine-2: #8A3C4B;
  --wine-deep: #4E222B;
  --ink: #241C1A;
  --bg: #F3EEE7;
  --bg-deep: #E7DFD4;
  --paper: #FBF8F4;
  --walnut: #8C6248;
  --brass: #A78455;
  --muted: #5C514C;
  --line: rgba(140, 98, 72, 0.45);
  --shadow: 0 10px 22px rgba(36, 28, 26, 0.06);
  --radius: 3px;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --space: 76px;
}
:root { --space: 56px; }
/* roulang page: category1 */
:root {
  --wine: #6E2E3A;
  --wine-2: #8A3C4B;
  --wine-deep: #4E222B;
  --ink: #241C1A;
  --bg: #F3EEE7;
  --bg-deep: #E7DFD4;
  --paper: #FBF8F4;
  --walnut: #8C6248;
  --brass: #A78455;
  --muted: #5C514C;
  --line: rgba(140, 98, 72, 0.45);
  --shadow: 0 10px 22px rgba(36, 28, 26, 0.06);
  --radius: 3px;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --space: 76px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.82;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 0.85em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
}
h1 { font-size: 34px; line-height: 1.35; margin: 0 0 12px; }
h2 { font-size: 26px; line-height: 1.4; margin: 0 0 16px; }
h3 { font-size: 18px; line-height: 1.5; margin: 0; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #F3EEE7;
  border-bottom: 1px solid var(--line);
}
.nav-bar {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
}
.logo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  color: var(--ink);
  border-bottom: 1px solid var(--brass);
  padding-bottom: 2px;
}
.logo strong {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.logo small {
  color: var(--walnut);
  font-size: 11px;
  letter-spacing: 0.14em;
  line-height: 1.4;
}
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-links a {
  font-size: 15px;
  color: var(--ink);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover { color: var(--wine); border-bottom-color: var(--brass); }
.nav-links a:focus-visible, .logo:focus-visible, .btn:focus-visible, .chip:focus-visible, .entry-link:focus-visible, .more-link:focus-visible, summary:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}
.nav-actions { display: flex; align-items: center; gap: 10px; margin-left: 18px; }
.nav-toggle {
  display: none;
  border: 1px solid var(--walnut);
  background: transparent;
  color: var(--ink);
  border-radius: var(--radius);
  min-height: 38px;
  padding: 0 12px;
  cursor: pointer;
}
.nav-toggle:hover { background: var(--bg-deep); }
.nav-toggle:active { transform: translateY(1px); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid var(--wine);
  background: var(--wine);
  color: #F3EEE7;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease;
  box-shadow: 0 8px 16px rgba(110, 46, 58, 0.16);
}
.btn:hover { background: var(--wine-2); box-shadow: 0 3px 8px rgba(110, 46, 58, 0.18); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn:disabled, .btn.is-disabled { opacity: 0.45; pointer-events: none; box-shadow: none; }
.btn-pill { border-radius: 999px; padding: 0 22px; }
.btn-line {
  background: transparent;
  color: var(--walnut);
  border-color: var(--walnut);
  box-shadow: none;
}
.btn-line:hover { background: #E4D9CC; color: var(--ink); box-shadow: none; }
.btn-light { background: #F3EEE7; color: var(--wine-deep); border-color: #F3EEE7; }
.btn-light:hover { background: #fff; }
.lead { max-width: 760px; color: var(--muted); font-size: 16px; }
.badge, .status {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border: 1px solid var(--brass);
  border-radius: var(--radius);
  color: var(--wine-deep);
  background: rgba(251, 248, 244, 0.86);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.block { padding: var(--space) 0; }
.block-deep { background: var(--bg-deep); }
.block-paper { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.page-head { padding: 34px 0 28px; border-bottom: 1px solid var(--line); }
.eyebrow {
  margin: 0 0 8px;
  color: var(--brass);
  font-size: 13px;
  letter-spacing: 0.16em;
}
.page-head h1 { max-width: 16em; }
.head-rule { width: 72px; height: 1px; background: var(--brass); margin: 14px 0; }
.filter-board {
  display: flex;
  flex-wrap: wrap;
  gap: 22px 36px;
  padding: 16px 0 2px;
}
.filter-group { min-width: 0; }
.filter-group span {
  display: block;
  margin-bottom: 8px;
  color: var(--walnut);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: 34px;
  padding: 0 12px;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  border-radius: 0;
  cursor: default;
  font-size: 14px;
}
.chip.is-on {
  color: var(--wine-deep);
  border-bottom-color: var(--brass);
  background: linear-gradient(#F3EEE7, #F3EEE7) bottom / 100% 1px no-repeat;
}
.catalog-list { display: flex; flex-direction: column; border-top: 1px solid var(--walnut); }
.catalog-row {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: 22px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 92px;
}
.catalog-row:hover { background: rgba(251, 248, 244, 0.72); }
.catalog-side time {
  display: block;
  color: var(--brass);
  font-size: 13px;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.catalog-side h3 a:hover { color: var(--wine); }
.catalog-sum p { color: var(--muted); }
.entry-link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--wine-deep);
  border-bottom: 1px solid var(--brass);
  font-size: 14px;
}
.entry-link:hover { color: var(--wine); }
.more-row { display: flex; justify-content: flex-end; padding-top: 8px; }
.more-link {
  color: var(--wine);
  border-bottom: 1px solid var(--brass);
  font-size: 15px;
  padding-bottom: 2px;
}
.more-link:hover { color: var(--wine-2); }
.guide-board {
  width: min(720px, 100%);
  background: var(--paper);
  border: 1px solid var(--walnut);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 22px 8px;
}
.guide-line {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.guide-line b { font-family: var(--serif); font-weight: 600; }
.guide-line span { color: var(--muted); }
.price-line {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--brass);
  color: var(--ink);
  font-size: 14px;
}
.timeline { list-style: none; margin: 8px 0 0; padding: 0; }
.timeline li {
  position: relative;
  padding: 0 0 22px 22px;
  border-left: 1px solid var(--brass);
}
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--wine);
  border-radius: 50%;
}
.timeline time { display: block; color: var(--brass); font-size: 13px; letter-spacing: 0.05em; }
.timeline h3 { margin: 2px 0 4px; font-size: 18px; }
.timeline p { color: var(--muted); max-width: 640px; }
.faq-list { display: flex; flex-direction: column; border-top: 1px solid var(--walnut); }
.faq-list details { border-bottom: 1px solid var(--line); background: transparent; }
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 4px;
  font-family: var(--serif);
  font-size: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "＋"; color: var(--brass); font-size: 16px; }
.faq-list details[open] summary::after { content: "－"; }
.faq-list details[open] summary { color: var(--wine); }
.faq-list details p { padding: 0 4px 16px; color: var(--muted); max-width: 760px; }
.obtain {
  background: var(--wine-deep);
  color: #F3EEE7;
}
.obtain h2 { color: #F3EEE7; max-width: 16em; }
.obtain-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.obtain p { color: rgba(243, 238, 231, 0.84); max-width: 640px; }
.site-footer { background: var(--ink); color: #F3EEE7; padding: 28px 0 22px; }
.footer-bar { display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.footer-links { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.footer-links a { border-bottom: 1px solid transparent; padding: 4px 0; }
.footer-links a:hover { border-bottom-color: var(--brass); }
.site-footer .logo { color: #F3EEE7; }
.site-footer .logo small { color: #E4D0B0; }
.copy { margin: 16px 0 0; color: rgba(243, 238, 231, 0.72); font-size: 13px; }
@media (max-width: 1024px) {
  h1 { font-size: 30px; }
  .catalog-row { grid-template-columns: minmax(180px, 240px) minmax(0, 1fr); }
}
@media (max-width: 768px) {
  :root { --space: 48px; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    background: #F3EEE7;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 20px 16px;
    gap: 2px;
    z-index: 60;
  }
  .nav-links.is-open { display: flex; }
  .nav-actions { margin-left: auto; }
  .catalog-row, .guide-line, .obtain-bar, .footer-bar { grid-template-columns: 1fr; display: flex; flex-direction: column; align-items: flex-start; }
  .more-row { justify-content: flex-start; }
  .logo strong { font-size: 14px; }
}
@media (max-width: 640px) {
  .container { width: min(1120px, calc(100% - 28px)); }
  h1 { font-size: 26px; }
  h2 { font-size: 22px; }
  .filter-board { gap: 16px; }
  .faq-list summary { font-size: 16px; }
}
@media (max-width: 520px) {
  .nav-bar { min-height: 64px; gap: 8px; }
  .btn-pill { padding: 0 14px; }
  .page-head { padding-top: 24px; }
  .chip { padding: 0 8px; }
}

/* roulang page: category2 */
:root {
 --wine: #6E2E3A;
 --wine-2: #8A3C4B;
 --wine-deep: #4E222B;
 --ink: #241C1A;
 --bg: #F3EEE7;
 --bg-deep: #E7DFD4;
 --paper: #FBF8F4;
 --walnut: #8C6248;
 --brass: #A78455;
 --muted: #5C514C;
 --line: rgba(140, 98, 72, 0.45);
 --shadow: 0 10px 22px rgba(36, 28, 26, 0.06);
 --radius: 3px;
 --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
 --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
 --space: 76px;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 color: var(--ink);
 background: var(--bg);
 font-family: var(--sans);
 font-size: 16px;
 line-height: 1.82;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 0.85em; }
h1, h2, h3 {
 font-family: var(--serif);
 font-weight: 600;
 line-height: 1.35;
 letter-spacing: 0.02em;
 color: var(--ink);
 margin: 0;
}
h1 { font-size: 40px; margin-bottom: 12px; }
h2 { font-size: 28px; margin-bottom: 16px; }
h3 { font-size: 22px; margin-bottom: 8px; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: #F3EEE7;
 border-bottom: 1px solid var(--line);
}
.nav-bar {
 min-height: 74px;
 display: flex;
 align-items: center;
 gap: 20px;
}
.logo {
 display: flex;
 flex-direction: column;
 justify-content: center;
 min-width: 0;
 color: var(--ink);
 border-bottom: 1px solid var(--brass);
 padding-bottom: 2px;
}
.logo strong {
 font-family: var(--serif);
 font-size: 16px;
 font-weight: 600;
 letter-spacing: 0.02em;
 line-height: 1.3;
}
.logo small {
 color: var(--walnut);
 font-size: 11px;
 letter-spacing: 0.14em;
 line-height: 1.4;
}
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-links a {
 font-size: 15px;
 color: var(--ink);
 padding: 6px 0;
 border-bottom: 1px solid transparent;
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--wine); border-bottom-color: var(--brass); }
.nav-actions { display: flex; align-items: center; gap: 10px; margin-left: 18px; }
.nav-toggle {
 display: none;
 border: 1px solid var(--walnut);
 background: transparent;
 color: var(--ink);
 border-radius: var(--radius);
 min-height: 38px;
 padding: 0 12px;
 cursor: pointer;
}
.nav-toggle:hover { background: var(--bg-deep); }
.nav-toggle:active { transform: translateY(1px); }
.nav-toggle:disabled { opacity: 0.45; cursor: not-allowed; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 42px;
 padding: 0 18px;
 border-radius: var(--radius);
 border: 1px solid var(--wine);
 background: var(--wine);
 color: #F3EEE7;
 font-size: 15px;
 line-height: 1;
 cursor: pointer;
 transition: background .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease;
 box-shadow: 0 8px 16px rgba(110, 46, 58, 0.16);
}
.btn:hover { background: var(--wine-2); box-shadow: 0 3px 8px rgba(110, 46, 58, 0.18); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn:disabled, .btn.is-disabled { opacity: 0.45; pointer-events: none; box-shadow: none; }
.btn-pill { border-radius: 999px; padding: 0 22px; }
.btn-line {
 background: transparent;
 color: var(--walnut);
 border-color: var(--walnut);
 box-shadow: none;
}
.btn-line:hover { background: #E4D9CC; color: var(--ink); box-shadow: none; }
.btn-line:active { background: #DDD1C3; transform: translateY(1px); }
.btn-light { background: #F3EEE7; color: var(--wine-deep); border-color: #F3EEE7; }
.btn-light:hover { background: #fff; }
.badge, .status {
 display: inline-flex;
 align-items: center;
 min-height: 26px;
 padding: 0 8px;
 border: 1px solid var(--brass);
 border-radius: var(--radius);
 color: var(--wine-deep);
 background: rgba(251, 248, 244, 0.86);
 font-size: 12px;
 letter-spacing: 0.06em;
}
.lead { max-width: 720px; color: var(--muted); font-size: 16px; line-height: 1.85; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
main { display: block; }
.band { padding: var(--space) 0; }
.band-a { background: #F3EEE7; }
.band-b { background: #E7DFD4; }
.band-c { background: #FBF8F4; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band-d { background: #F3EEE7; }
.topic-head { padding: 34px 0 28px; }
.topic-grid {
 display: grid;
 grid-template-columns: minmax(0, 1fr) 220px;
 gap: 36px;
 align-items: end;
}
.topic-rule { width: 72px; height: 1px; background: var(--brass); margin: 16px 0; }
.page-toc {
 display: flex;
 flex-direction: column;
 gap: 8px;
 border-left: 1px solid var(--brass);
 padding: 4px 0 4px 14px;
}
.page-toc span { color: var(--brass); font-size: 12px; letter-spacing: 0.14em; }
.page-toc a {
 width: fit-content;
 font-size: 14px;
 border-bottom: 1px solid transparent;
 padding-bottom: 2px;
}
.page-toc a:hover, .page-toc a:focus-visible { color: var(--wine); border-bottom-color: var(--brass); }
.index-head { display: flex; justify-content: space-between; gap: 18px; align-items: flex-end; margin-bottom: 18px; }
.index-head p { margin: 0; color: var(--muted); max-width: 460px; }
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
 display: inline-flex;
 align-items: center;
 min-height: 34px;
 padding: 0 14px;
 border: 1px solid var(--brass);
 border-radius: 999px;
 background: transparent;
 color: var(--ink);
 font-size: 14px;
 transition: background .2s ease, color .2s ease;
}
.pill:hover, .pill:focus-visible { background: #E4D9CC; color: var(--wine-deep); }
.flow-head { max-width: 680px; margin-bottom: 22px; }
.scene-list { display: flex; flex-direction: column; gap: 22px; }
.scene-card {
 display: grid;
 grid-template-columns: minmax(240px, 0.82fr) minmax(0, 1.18fr);
 background: var(--paper);
 border: 1px solid var(--walnut);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 overflow: hidden;
}
.scene-card.is-flip .scene-plate { order: 2; }
.scene-plate {
 min-height: 280px;
 position: relative;
 background:
 linear-gradient(160deg, rgba(110, 46, 58, 0.16), transparent 42%),
 repeating-linear-gradient(90deg, #EFE7DC 0 16px, #F7F3EE 16px 32px);
 border-right: 1px solid var(--line);
 display: flex;
 flex-direction: column;
 justify-content: flex-end;
 gap: 10px;
 padding: 18px;
}
.scene-card.is-flip .scene-plate { border-right: 0; border-left: 1px solid var(--line); }
.scene-plate strong {
 font-family: var(--serif);
 font-size: 28px;
 color: var(--wine-deep);
 font-weight: 600;
}
.scene-body { padding: 26px 26px 22px; }
.meta { color: var(--brass); font-size: 13px; letter-spacing: 0.08em; margin: 0 0 8px; }
.scene-body p { color: var(--muted); }
.result-line {
 margin: 0 0 16px;
 color: var(--ink);
 border-top: 1px solid var(--line);
 padding-top: 12px;
}
.text-link {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 color: var(--wine);
 border-bottom: 1px solid var(--brass);
 padding-bottom: 2px;
}
.text-link:hover { color: var(--wine-deep); }
.more-inner {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 24px;
 padding: 8px 0;
}
.more-inner p { margin: 0; color: var(--muted); max-width: 640px; }
.table-wrap {
 overflow-x: auto;
 border: 1px solid var(--walnut);
 border-radius: var(--radius);
 background: var(--paper);
 box-shadow: var(--shadow);
}
.compare-table { width: 100%; min-width: 640px; border-collapse: collapse; }
.compare-table th, .compare-table td {
 text-align: left;
 padding: 15px 18px;
 border-bottom: 1px solid var(--line);
 vertical-align: top;
 font-weight: 400;
}
.compare-table th {
 font-family: var(--serif);
 color: var(--wine-deep);
 background: #F8F1E6;
 font-size: 15px;
}
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table tbody tr:hover td { background: rgba(167, 132, 85, 0.08); }
.compare-table td:first-child { color: var(--ink); font-family: var(--serif); }
.quote-grid {
 display: grid;
 grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
 gap: 18px;
 align-items: start;
}
.quote {
 margin: 0;
 background: var(--paper);
 border: 1px solid var(--walnut);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px 22px 16px;
}
.quote:nth-child(2) { margin-top: 42px; background: #F8F1E6; }
.qmark {
 display: block;
 font-family: var(--serif);
 font-size: 42px;
 line-height: 0.8;
 color: var(--brass);
 margin-bottom: 8px;
}
.quote p { font-size: 17px; color: var(--ink); margin-bottom: 14px; }
.quote footer { color: var(--walnut); font-size: 13px; letter-spacing: 0.04em; }
.read-list { display: flex; flex-direction: column; }
.read-list a {
 display: grid;
 grid-template-columns: 88px minmax(0, 1fr) auto;
 gap: 16px;
 align-items: center;
 padding: 16px 2px;
 border-top: 1px solid var(--line);
 transition: color .2s ease, padding-left .2s ease;
}
.read-list a:last-child { border-bottom: 1px solid var(--line); }
.read-list a:hover, .read-list a:focus-visible { color: var(--wine); padding-left: 6px; }
.read-list time { color: var(--brass); font-size: 13px; letter-spacing: 0.04em; }
.read-list strong { font-family: var(--serif); font-weight: 600; font-size: 18px; }
.read-list em { font-style: normal; color: var(--muted); font-size: 14px; }
.cta-band { background: var(--wine-deep); color: #F3EEE7; }
.cta-inner {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 24px;
}
.cta-band h2 { color: #F3EEE7; margin-bottom: 8px; }
.cta-band p { margin: 0; color: rgba(243, 238, 231, 0.86); max-width: 640px; }
.site-footer { background: var(--ink); color: #F3EEE7; padding: 34px 0 26px; }
.site-footer .logo { color: #F3EEE7; }
.site-footer .logo small { color: #E7DFD4; }
.footer-bar { display: flex; justify-content: space-between; gap: 20px; align-items: center; flex-wrap: wrap; }
.footer-links { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.footer-links a:not(.btn) { color: #F3EEE7; border-bottom: 1px solid transparent; padding: 4px 0; }
.footer-links a:not(.btn):hover { border-bottom-color: var(--brass); }
.copy { margin: 18px 0 0; color: rgba(243, 238, 231, 0.72); font-size: 13px; }
@media (max-width: 1024px) {
 :root { --space: 60px; }
 h1 { font-size: 34px; }
 .topic-grid { grid-template-columns: minmax(0, 1fr) 190px; gap: 22px; }
 .scene-card, .scene-card.is-flip { grid-template-columns: minmax(200px, 0.75fr) minmax(0, 1.25fr); }
 .quote-grid { grid-template-columns: 1fr 0.9fr; }
}
@media (max-width: 768px) {
 :root { --space: 48px; }
 .nav-toggle { display: inline-flex; }
 .nav-links {
 display: none;
 position: absolute;
 left: 0;
 right: 0;
 top: 74px;
 margin: 0;
 padding: 8px 20px 16px;
 flex-direction: column;
 align-items: flex-start;
 gap: 4px;
 background: #F3EEE7;
 border-bottom: 1px solid var(--line);
}
 .nav-links.is-open { display: flex; }
 .nav-actions { margin-left: auto; }
 .topic-grid, .scene-card, .scene-card.is-flip, .quote-grid, .more-inner, .cta-inner, .index-head {
 grid-template-columns: 1fr;
 display: flex;
 flex-direction: column;
 align-items: stretch;
 }
 .scene-card.is-flip .scene-plate { order: 0; border-left: 0; border-right: 0; border-bottom: 1px solid var(--line); }
 .scene-plate { min-height: 180px; border-right: 0; border-bottom: 1px solid var(--line); }
 .quote:nth-child(2) { margin-top: 0; }
 .page-toc { border-left: 0; border-top: 1px solid var(--brass); padding: 12px 0 0; flex-direction: row; flex-wrap: wrap; gap: 8px 16px; }
 .read-list a { grid-template-columns: 72px minmax(0, 1fr); }
 .read-list em { display: none; }
 h1 { font-size: 30px; }
 h2 { font-size: 24px; }
}
@media (max-width: 640px) {
 .container { width: min(1120px, calc(100% - 28px)); }
 .logo strong { font-size: 13px; letter-spacing: 0; }
 h1 { font-size: 26px; }
 .scene-body { padding: 18px 16px 16px; }
 .compare-table th, .compare-table td { padding: 12px; }
 .footer-links { gap: 14px; }
}
@media (max-width: 520px) {
 .nav-bar { gap: 8px; }
 .btn-pill { padding: 0 14px; }
 .read-list a { grid-template-columns: 1fr; gap: 2px; }
}