/* roulang page: index */
:root {
  --ink: #241C19;
  --paper: #F4EFE8;
  --panel: #FFFCF8;
  --line: #E4D9CE;
  --copper: #B8613A;
  --copper-deep: #8C4528;
  --plum: #6E3144;
  --plum-soft: #F6E8EE;
  --sage: #3F6B5A;
  --sage-soft: #E7F0EC;
  --muted: #6F655E;
  --shadow: 0 10px 28px rgba(36, 28, 25, .08);
  --radius-card: 12px;
  --radius-control: 8px;
  --header-h: 64px;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body.has-dock { padding-bottom: 72px; }
img { max-width: 100%; height: auto; display: block; border: 0; }
button, input { font-family: inherit; }
a { color: var(--plum); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, .accordion-button:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }
h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink);
  line-height: 1.35;
  margin: 0 0 .6rem;
  font-weight: 700;
}
h1 { font-size: clamp(1.85rem, 3.6vw, 2.7rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.4rem, 2.3vw, 1.8rem); }
h3 { font-size: 1.12rem; font-weight: 600; }
.container { max-width: 1140px; }
.site-header { background: var(--panel); border-bottom: 1px solid var(--line); position: relative; z-index: 20; }
.brand-row { padding: 14px 0; }
.brand-inner, .channel-inner, .compact-inner, .foot-grid, .hero-grid, .split-2, .guarantee-grid, .tile-grid, .entry-grid, .library-grid, .point-grid, .step-grid, .filter-grid, .legend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(15px, 1.7vw, 22px);
  line-height: 1.3;
  text-decoration: none;
  min-width: 0;
}
.logo:hover { color: var(--ink); text-decoration: none; }
.logo-mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--plum-soft);
  color: var(--plum);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
}
.logo-sm { font-size: 15px; }
.channel-row { border-top: 1px solid var(--line); background: var(--panel); }
.channel-inner { justify-content: flex-start; min-height: 48px; gap: 8px 22px; flex-wrap: wrap; }
.channel-link {
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 0 8px;
  border-bottom: 2px solid transparent;
  text-decoration: none;
}
.channel-link:hover { color: var(--plum); text-decoration: none; }
.channel-link.is-active { color: var(--plum); border-bottom-color: var(--plum); }
.nav-toggle {
  display: none;
  width: 44px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--panel);
  color: var(--ink);
  align-items: center;
  justify-content: center;
  padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  position: relative;
  border-radius: 2px;
}
.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; }
.mobile-menu, .compact-collapse {
  background: var(--panel);
  border-top: 1px solid var(--line);
  padding: 8px 0 14px;
}
.mobile-menu a, .compact-collapse a {
  display: block;
  padding: 10px 0;
  color: var(--ink);
  font-weight: 500;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.mobile-menu a.is-active, .compact-collapse a.is-active { color: var(--plum); }
.compact-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  height: var(--header-h);
  transform: translateY(-110%);
  opacity: 0;
  pointer-events: none;
  transition: transform .2s ease, opacity .2s ease;
}
.compact-nav.is-on { transform: translateY(0); opacity: 1; pointer-events: auto; }
.compact-nav .compact-shell { height: var(--header-h); display: flex; align-items: center; }
.compact-inner { width: 100%; height: 100%; }
.compact-channels { display: flex; align-items: center; gap: 18px; flex: 1; justify-content: center; min-width: 0; }
.compact-channels .channel-link { padding: 6px 0; white-space: nowrap; }
.btn-main, .btn-sub {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: var(--radius-control);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
  white-space: nowrap;
}
.btn-main { background: var(--copper); color: #fff; }
.btn-main:hover, .btn-main:active { background: var(--copper-deep); color: #fff; text-decoration: none; transform: translateY(-1px); }
.btn-sub { background: #fff; color: var(--plum); border-color: var(--plum); }
.btn-sub:hover { background: var(--plum-soft); color: var(--plum); text-decoration: none; }
.btn-sm { min-height: 36px; padding: 6px 12px; font-size: 14px; }
.hero { padding: 48px 0 64px; background: var(--paper); }
.hero-grid { align-items: stretch; gap: 36px; }
.hero-copy, .hero-panel { flex: 1; min-width: 0; }
.hero-copy { flex: 1.15; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .04em;
}
.kicker i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--copper);
  display: inline-block;
}
.hero-lead { font-size: 1.05rem; color: var(--ink); max-width: 40rem; }
.hero-points { list-style: none; padding: 0; margin: 0 0 18px; }
.hero-points li {
  position: relative;
  padding-left: 18px;
  margin: 0 0 6px;
  color: var(--ink);
}
.hero-points li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--copper);
  position: absolute;
  left: 0;
  top: .65em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-panel, .card, .quote, .compare-card, .news-wrap, .faq-wrap, .media-card, .tile, .entry-card, .lib-card, .filter-card, .close-band, .point-card, .step-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
}
.hero-panel { padding: 22px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 8px; }
.panel-head strong { font-family: var(--serif); font-size: 1.15rem; }
.metric-list { display: grid; gap: 12px; }
.metric {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.metric b { font-family: var(--serif); font-size: 1.35rem; color: var(--copper); font-weight: 700; line-height: 1; }
.metric span { color: var(--muted); font-size: 14px; }
.metric em { font-style: normal; color: var(--ink); font-size: 14px; }
.section { padding: 72px 0; }
.section-paper { background: var(--paper); }
.section-panel { background: #EFE8DF; }
.section-head { max-width: 740px; margin-bottom: 28px; }
.section-head p { color: var(--muted); }
.point-grid, .step-grid, .tile-grid, .library-grid, .filter-grid, .entry-grid { align-items: stretch; }
.point-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.point-card, .step-card, .quote, .compare-card, .media-card, .tile, .entry-card, .lib-card, .filter-card { padding: 20px; }
.point-card { transition: transform .2s ease, box-shadow .2s ease; }
.point-card:hover, .lib-card:hover, .entry-card:hover, .tile:hover { transform: translateY(-2px); }
.num {
  font-family: var(--serif);
  color: var(--copper);
  font-size: 1.7rem;
  line-height: 1;
  margin-bottom: 8px;
}
.badge, .tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 10px;
  background: var(--plum-soft);
  color: var(--plum);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.7;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.status-ok {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--sage);
  background: var(--sage-soft);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 500;
}
.status-ok::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sage);
}
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.step-card { position: relative; min-height: 180px; }
.step-no {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--copper);
  color: var(--copper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  margin-bottom: 10px;
}
.social-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 18px 20px;
}
.stat b { display: block; font-family: var(--serif); font-size: 1.8rem; color: var(--copper); line-height: 1.1; }
.stat span { color: var(--muted); font-size: 14px; }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.quote p { font-size: 15px; }
.quote footer { color: var(--muted); font-size: 13px; margin-top: 10px; }
.compare-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-card h3 { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.rowline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
}
.rowline span { color: var(--muted); }
.news-wrap { padding: 8px 22px; }
.news-item {
  display: grid;
  grid-template-columns: 7.2rem 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.news-item:last-child { border-bottom: 0; }
.news-item time { color: var(--copper); font-variant-numeric: tabular-nums; font-weight: 500; }
.news-item a { color: var(--ink); font-weight: 700; font-family: var(--serif); }
.news-item a:hover { color: var(--plum); }
.news-item p { color: var(--muted); margin: 4px 0 0; font-size: 14px; }
.accordion { --bs-accordion-border-color: var(--line); --bs-accordion-bg: var(--panel); --bs-accordion-btn-focus-box-shadow: none; --bs-accordion-active-bg: #F8EFEA; --bs-accordion-active-color: var(--plum); --bs-accordion-btn-color: var(--ink); }
.accordion-item { border: 1px solid var(--line); border-radius: var(--radius-card) !important; overflow: hidden; margin-bottom: 10px; background: var(--panel); box-shadow: var(--shadow); }
.accordion-button {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 16px 20px;
  background: var(--panel);
  color: var(--ink);
}
.accordion-button:not(.collapsed) { color: var(--plum); background: #F8EFEA; }
.accordion-button::after { filter: none; }
.accordion-body { padding: 0 20px 18px; color: var(--ink); }
.guarantee-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: stretch; }
.g-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow);
}
.g-ico { flex: 0 0 auto; color: var(--copper); width: 36px; height: 36px; }
.g-item h3 { font-size: 1.05rem; }
.g-item p { color: var(--muted); font-size: 14px; margin: 0; }
.media-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  background: var(--ink);
  margin-bottom: 12px;
}
.tile-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tile { display: block; color: var(--ink); min-height: 132px; }
.tile:hover { color: var(--ink); text-decoration: none; border-color: var(--copper); }
.tile h3 { font-size: 1.08rem; }
.tile p { color: var(--muted); font-size: 14px; margin: 0; }
.entry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.entry-card h3 { font-size: 1.25rem; }
.library-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.lib-card h3 { font-size: 1.02rem; min-height: 2.7em; }
.lib-card p { color: var(--muted); font-size: 14px; margin-top: 8px; }
.more-row { display: flex; justify-content: flex-end; margin-top: 16px; }
.filter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.filter-card ol { margin: 0; padding-left: 1.1rem; color: var(--ink); }
.filter-card li { margin: 0 0 6px; }
.close-band {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 28px;
  background: var(--ink);
  color: #F4EFE8;
  border-color: var(--ink);
}
.close-band h2, .close-band p { color: #F4EFE8; }
.close-band p { margin: 0; color: #E4D9CE; }
.site-footer { background: var(--ink); color: #E7DDD4; padding: 36px 0 28px; }
.site-footer a { color: #F4EFE8; }
.foot-logo { color: #F4EFE8; }
.foot-grid { align-items: flex-start; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.foot-meta { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(228, 217, 206, .25); font-size: 14px; color: #CDBFB3; }
.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 35;
  height: 56px;
  background: var(--panel);
  border-top: 1px solid var(--line);
  transform: translateY(110%);
  opacity: 0;
  pointer-events: none;
  transition: transform .2s ease, opacity .2s ease;
}
.dock.is-on { transform: translateY(0); opacity: 1; pointer-events: auto; }
.dock-inner {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.dock-brand { font-family: var(--serif); font-weight: 700; color: var(--ink); font-size: 15px; min-width: 0; }
.dock-short { display: none; }
@media (max-width: 991.98px) {
  .hero-grid, .compare-wrap, .media-grid, .entry-grid { display: block; }
  .hero-panel, .compare-card + .compare-card, .media-card + .media-card, .entry-card + .entry-card { margin-top: 16px; }
  .point-grid, .quote-grid, .library-grid { grid-template-columns: repeat(2, 1fr); }
  .step-grid { grid-template-columns: 1fr 1fr; }
  .compact-channels { display: none; }
  .compact-nav .nav-toggle { display: inline-flex; }
}
@media (max-width: 767.98px) {
  .section { padding: 40px 0; }
  .hero { padding: 28px 0 40px; }
  .channel-row { display: none; }
  .nav-toggle { display: inline-flex; }
  .brand-cta { display: none; }
  .point-grid, .quote-grid, .social-top, .guarantee-grid, .tile-grid, .filter-grid, .library-grid, .step-grid { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; gap: 4px; }
  .metric { grid-template-columns: 1fr auto; }
  .metric span { grid-column: 1 / -1; }
  .close-band { display: block; }
  .close-band .btn-main { margin-top: 14px; }
  .foot-grid { display: block; }
  .foot-nav { margin-top: 14px; }
}
@media (max-width: 575.98px) {
  .hero-actions .btn-main, .hero-actions .btn-sub, .close-band .btn-main, .entry-card .btn-main, .entry-card .btn-sub { width: 100%; }
  .dock { height: auto; padding-bottom: env(safe-area-inset-bottom); }
  .dock-inner { height: auto; min-height: 56px; padding-top: 8px; padding-bottom: 8px; }
  .dock-full { display: none; }
  .dock-short { display: inline; }
  .logo { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category2 */
:root {
 --ink: #241C19;
 --paper: #F4EFE8;
 --panel: #FFFCF8;
 --line: #E4D9CE;
 --copper: #B8613A;
 --copper-deep: #8C4528;
 --plum: #6E3144;
 --plum-soft: #F6E8EE;
 --sage: #3F6B5A;
 --sage-soft: #E7F0EC;
 --muted: #6F655E;
 --shadow: 0 10px 28px rgba(36, 28, 25, .08);
 --radius-card: 12px;
 --radius-control: 8px;
 --header-h: 64px;
 --serif: "Noto Serif SC", "Songti SC", serif;
 --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--paper);
 color: var(--ink);
 font-family: var(--sans);
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
body.has-dock { padding-bottom: 72px; }
img { max-width: 100%; height: auto; display: block; border: 0; }
button, input { font-family: inherit; }
a { color: var(--plum); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, .accordion-button:focus-visible {
 outline: 2px solid var(--copper);
 outline-offset: 2px;
}
.container { max-width: 1140px; }
h1, h2, h3 { font-family: var(--serif); color: var(--ink); line-height: 1.35; font-weight: 700; }
h1 { font-size: clamp(30px, 4vw, 44px); margin: 0 0 12px; }
h2 { font-size: clamp(22px, 2.4vw, 30px); margin: 0 0 16px; }
h3 { font-size: 18px; margin: 0 0 8px; }
p { margin: 0 0 12px; }
p:last-child { margin-bottom: 0; }
.site-header { background: var(--panel); border-bottom: 1px solid var(--line); position: relative; z-index: 20; }
.brand-row { padding: 14px 0; }
.brand-inner, .channel-inner, .compact-inner, .foot-grid {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
}
.logo {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 color: var(--ink);
 font-family: var(--serif);
 font-weight: 700;
 font-size: clamp(15px, 1.7vw, 22px);
 line-height: 1.3;
 text-decoration: none;
 min-width: 0;
}
.logo:hover { color: var(--ink); text-decoration: none; }
.logo-mark {
 flex: 0 0 auto;
 display: inline-flex;
 align-items: center;
 padding: 1px 8px;
 border-radius: 999px;
 background: var(--plum-soft);
 color: var(--plum);
 font-family: var(--sans);
 font-size: 12px;
 font-weight: 500;
 line-height: 1.6;
}
.logo-sm { font-size: 15px; max-width: 46vw; }
.channel-row { border-top: 1px solid var(--line); background: var(--panel); }
.channel-links, .compact-channels { display: flex; align-items: center; gap: 8px 22px; flex-wrap: wrap; }
.channel-row .channel-links { min-height: 48px; }
.channel-link {
 color: var(--ink);
 font-weight: 500;
 text-decoration: none;
 padding: 12px 0 10px;
 border-bottom: 2px solid transparent;
}
.channel-link:hover { color: var(--plum); text-decoration: none; }
.channel-link.is-active { color: var(--plum); border-bottom-color: var(--plum); }
.nav-toggle {
 display: none;
 width: 44px;
 height: 40px;
 border: 1px solid var(--line);
 border-radius: var(--radius-control);
 background: var(--panel);
 color: var(--ink);
 align-items: center;
 justify-content: center;
 padding: 0;
 flex: 0 0 auto;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
 display: block;
 width: 18px;
 height: 1.5px;
 background: var(--ink);
 position: relative;
 border-radius: 2px;
}
.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; }
.mobile-menu, .compact-collapse { background: var(--panel); border-top: 1px solid var(--line); padding: 8px 0 14px; }
.mobile-menu a, .compact-collapse a {
 display: block;
 padding: 10px 0;
 color: var(--ink);
 font-weight: 500;
 border-bottom: 1px solid var(--line);
 text-decoration: none;
}
.mobile-menu a.is-active, .compact-collapse a.is-active { color: var(--plum); }
.compact-nav {
 position: fixed;
 top: 0; left: 0; right: 0;
 z-index: 40;
 background: var(--panel);
 border-bottom: 1px solid var(--line);
 height: var(--header-h);
 transform: translateY(-110%);
 opacity: 0;
 pointer-events: none;
 transition: transform .2s ease, opacity .2s ease;
}
.compact-nav.is-on { transform: translateY(0); opacity: 1; pointer-events: auto; height: auto; }
.compact-nav .compact-shell { height: var(--header-h); display: flex; align-items: center; gap: 16px; }
.compact-nav .compact-channels { flex: 1; justify-content: center; min-width: 0; }
.compact-nav .channel-link { padding: 8px 0; white-space: nowrap; }
.btn-main, .btn-sub {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 42px;
 padding: 8px 16px;
 border-radius: var(--radius-control);
 font-size: 15px;
 font-weight: 500;
 line-height: 1.2;
 border: 1px solid transparent;
 text-decoration: none;
 cursor: pointer;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
 white-space: nowrap;
}
.btn-main { background: var(--copper); color: #fff; }
.btn-main:hover, .btn-main:active { background: var(--copper-deep); color: #fff; text-decoration: none; transform: translateY(-1px); }
.btn-sub { background: #fff; color: var(--plum); border-color: var(--plum); }
.btn-sub:hover { background: var(--plum-soft); color: var(--plum); text-decoration: none; }
.btn-sm { min-height: 36px; padding: 6px 12px; font-size: 14px; }
.section { padding: 72px 0; }
.section-paper { background: var(--paper); }
.section-panel { background: #EFE8DF; }
.section-head { max-width: 740px; margin-bottom: 28px; }
.section-head p, .muted { color: var(--muted); }
.page-head { padding: 28px 0 26px; background: var(--panel); border-bottom: 1px solid var(--line); }
.page-head-inner { max-width: 760px; }
.kicker { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.badge, .tag {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: 2px 10px;
 background: var(--plum-soft);
 color: var(--plum);
 font-size: 12px;
 font-weight: 500;
 line-height: 1.6;
}
.tag-sage { background: var(--sage-soft); color: var(--sage); }
.tag-ink { background: #F3EBE4; color: var(--ink); }
.scene-rail { align-items: start; }
.scene-list { padding-top: 56px; padding-bottom: 36px; }
.term-section { padding-top: 56px; padding-bottom: 36px; }
.scene-row, .compare-card, .rec-card, .term-card, .close-band, .faq-wrap {
 background: var(--panel);
 border: 1px solid var(--line);
 border-radius: var(--radius-card);
 box-shadow: var(--shadow);
}
.scene-stack { display: flex; flex-direction: column; gap: 14px; }
.scene-row {
 display: grid;
 grid-template-columns: 240px minmax(0, 1fr);
 gap: 16px;
 padding: 16px;
 align-items: center;
 transition: transform .2s ease, box-shadow .2s ease;
}
.scene-row:hover { transform: translateY(-2px); }
.frame {
 aspect-ratio: 16 / 9;
 border-radius: 8px;
 overflow: hidden;
 border: 1px solid var(--line);
 background: #E7D5C8;
}
.frame img { width: 100%; height: 100%; object-fit: cover; }
.scene-copy { min-width: 0; }
.meta-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.scene-copy p { color: var(--ink); }
.row-link { font-weight: 500; }
.term-stack { display: flex; flex-direction: column; gap: 12px; }
.term-card { padding: 16px 18px; }
.term-card h3 { font-family: var(--sans); font-size: 16px; color: var(--plum); }
.term-card p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-card { padding: 22px; }
.compare-card h3 { font-size: 22px; }
.stat-line { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.line-list { list-style: none; padding: 0; margin: 0; }
.line-list li {
 position: relative;
 padding: 8px 0 8px 16px;
 border-top: 1px solid var(--line);
}
.line-list li::before {
 content: "";
 width: 7px; height: 7px;
 border-radius: 50%;
 background: var(--copper);
 position: absolute;
 left: 0; top: 1.05em;
}
.faq-wrap { padding: 8px 18px 18px; }
.accordion-item { background: transparent; border: 0; border-bottom: 1px solid var(--line); }
.accordion-item:last-child { border-bottom: 0; }
.accordion-button {
 background: transparent;
 color: var(--ink);
 font-family: var(--serif);
 font-weight: 700;
 font-size: 18px;
 box-shadow: none;
 padding: 16px 4px;
}
.accordion-button:not(.collapsed) { background: transparent; color: var(--plum); box-shadow: none; }
.accordion-button::after { filter: none; }
.accordion-body { color: var(--ink); padding: 0 4px 16px; }
.rec-list { display: flex; flex-direction: column; gap: 12px; }
.rec-card {
 display: grid;
 grid-template-columns: 92px minmax(0, 1fr) auto;
 gap: 14px;
 align-items: center;
 padding: 14px 16px;
}
.rec-no {
 width: 92px;
 height: 64px;
 border-radius: 8px;
 display: flex;
 align-items: center;
 justify-content: center;
 background: var(--plum-soft);
 color: var(--plum);
 font-family: var(--serif);
 font-weight: 700;
}
.rec-card h3 { font-size: 17px; margin: 0 0 4px; }
.rec-card p { margin: 0; color: var(--muted); font-size: 14px; }
.close-band { padding: 28px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.close-band p { color: var(--muted); max-width: 40rem; }
.dock {
 position: fixed;
 left: 0; right: 0; bottom: 0;
 z-index: 35;
 height: 56px;
 background: var(--panel);
 border-top: 1px solid var(--line);
 transform: translateY(110%);
 transition: transform .2s ease;
}
.dock.is-on { transform: translateY(0); }
.dock-inner { height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.dock-name { font-family: var(--serif); font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.site-footer { background: var(--ink); color: #F4EFE8; padding: 36px 0 28px; }
.site-footer a { color: #F4EFE8; }
.foot-logo { color: #F4EFE8; }
.foot-logo:hover { color: #fff; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.foot-nav a { font-size: 14px; }
.foot-meta {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 margin-top: 18px;
 padding-top: 14px;
 border-top: 1px solid rgba(244, 239, 232, .2);
 color: #D9C9BC;
 font-size: 13px;
}
@media (min-width: 992px) {
 .scene-rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  column-gap: 20px;
  align-items: start;
 }
 .scene-list { grid-column: 1; grid-row: 1; }
 .term-section { grid-column: 2; grid-row: 1; padding-left: 0; }
 .term-section .container, .scene-list .container { max-width: none; padding-left: 0; padding-right: 0; }
 .scene-rail-wrap { max-width: 1140px; margin: 0 auto; padding: 0 12px; }
}
@media (max-width: 991.98px) {
 .term-section { padding-top: 12px; }
 .scene-list { padding-bottom: 12px; }
}
@media (max-width: 767.98px) {
 .section { padding: 40px 0; }
 .channel-row, .brand-cta, .compact-channels, .compact-nav .btn-main { display: none; }
 .nav-toggle { display: inline-flex; }
 .page-head { padding: 22px 0; }
 .compare-grid { grid-template-columns: 1fr; }
 .close-band { flex-direction: column; align-items: flex-start; }
 .foot-grid, .foot-meta { flex-direction: column; align-items: flex-start; }
 .logo { font-size: 16px; }
}
@media (max-width: 575.98px) {
 .scene-row, .rec-card { grid-template-columns: 1fr; }
 .rec-no { width: 100%; height: 72px; }
 .close-band .btn-main, .page-actions .btn-main { width: 100%; }
 .dock { height: auto; padding-bottom: env(safe-area-inset-bottom); }
 .dock-inner { height: auto; min-height: 56px; padding-top: 8px; padding-bottom: 8px; }
 .compact-nav .logo-sm { max-width: 70vw; }
}

/* roulang page: category1 */
:root {
  --ink: #241C19;
  --paper: #F4EFE8;
  --panel: #FFFCF8;
  --line: #E4D9CE;
  --copper: #B8613A;
  --copper-deep: #8C4528;
  --plum: #6E3144;
  --plum-soft: #F6E8EE;
  --sage: #3F6B5A;
  --sage-soft: #E7F0EC;
  --muted: #6F655E;
  --shadow: 0 10px 28px rgba(36, 28, 25, .08);
  --radius-card: 12px;
  --radius-control: 8px;
  --header-h: 64px;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
/* roulang page: category1 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body.has-dock { padding-bottom: 72px; }
img { max-width: 100%; height: auto; display: block; border: 0; }
button, input { font-family: inherit; }
a { color: var(--plum); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
p { margin: 0 0 1rem; }
h1, h2, h3, h4 { font-family: var(--serif); color: var(--ink); line-height: 1.35; margin: 0 0 .6rem; font-weight: 700; }
h1 { font-size: clamp(28px, 3vw, 36px); }
h2 { font-size: clamp(22px, 2.4vw, 28px); }
h3 { font-size: 18px; }
.container { max-width: 1140px; }
.site-header { background: var(--panel); border-bottom: 1px solid var(--line); position: relative; z-index: 20; }
.brand-row { padding: 14px 0; }
.brand-inner, .channel-inner, .compact-shell, .foot-grid, .page-head-grid, .compare-grid, .scope-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(14px, 1.7vw, 22px);
  line-height: 1.3;
  text-decoration: none;
  min-width: 0;
}
.logo:hover { color: var(--ink); text-decoration: none; }
.logo-mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--plum-soft);
  color: var(--plum);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
}
.logo-sm { font-size: 15px; }
.channel-row { border-top: 1px solid var(--line); background: var(--panel); }
.channel-inner { justify-content: flex-start; gap: 22px; min-height: 48px; }
.channel-link {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  padding: 12px 0 10px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.channel-link:hover { color: var(--plum); text-decoration: none; }
.channel-link.is-active { color: var(--plum); border-bottom-color: var(--plum); }
.nav-toggle {
  display: none;
  width: 44px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--panel);
  color: var(--ink);
  align-items: center;
  justify-content: center;
  padding: 0;
  flex: 0 0 auto;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  position: relative;
  border-radius: 2px;
}
.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; }
.mobile-menu, .compact-collapse {
  background: var(--panel);
  border-top: 1px solid var(--line);
  padding: 8px 0 14px;
}
.mobile-menu[hidden], .compact-collapse[hidden] { display: none !important; }
.mobile-menu a, .compact-collapse a {
  display: block;
  padding: 10px 0;
  color: var(--ink);
  font-weight: 500;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.mobile-menu a.is-active, .compact-collapse a.is-active { color: var(--plum); box-shadow: inset 3px 0 0 var(--plum); padding-left: 8px; }
.compact-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  height: var(--header-h);
  transform: translateY(-110%);
  opacity: 0;
  pointer-events: none;
  transition: transform .2s ease, opacity .2s ease;
}
.compact-nav.is-on { transform: translateY(0); opacity: 1; pointer-events: auto; height: auto; }
.compact-nav .compact-shell { height: var(--header-h); display: flex; align-items: center; gap: 18px; }
.compact-channels { display: flex; align-items: center; gap: 18px; min-width: 0; flex: 1; }
.compact-nav .channel-link { padding: 8px 0; font-size: 14px; }
.btn-main, .btn-sub {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: var(--radius-control);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
  white-space: nowrap;
}
.btn-main { background: var(--copper); color: #fff; }
.btn-main:hover, .btn-main:active { background: var(--copper-deep); color: #fff; text-decoration: none; transform: translateY(-1px); }
.btn-sub { background: #fff; color: var(--plum); border-color: var(--plum); }
.btn-sub:hover { background: var(--plum-soft); color: var(--plum); text-decoration: none; }
.btn-sm { min-height: 36px; padding: 6px 12px; font-size: 14px; }
.section { padding: 72px 0; }
.section-paper { background: var(--paper); }
.section-panel { background: #EFE8DF; }
.section-tight { padding: 36px 0 28px; }
.section-head { max-width: 740px; margin-bottom: 28px; }
.section-head p, .lead-note, .muted { color: var(--muted); }
.page-head { background: var(--panel); border-bottom: 1px solid var(--line); }
.page-head-grid { align-items: flex-start; gap: 28px; }
.page-copy { flex: 1.2; min-width: 0; }
.page-copy p { margin-bottom: 0; max-width: 40rem; }
.filter-bar {
  flex: .9;
  min-width: 260px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  display: grid;
  gap: 12px;
}
.filter-group { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.filter-label { font-size: 13px; color: var(--muted); min-width: 36px; }
.chip, .badge, .tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 10px;
  background: var(--plum-soft);
  color: var(--plum);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.7;
  border: 1px solid transparent;
}
.chip { background: #fff; border-color: var(--line); color: var(--ink); }
.chip.is-on { background: var(--plum-soft); color: var(--plum); border-color: transparent; }
.badge-sage { background: var(--sage-soft); color: var(--sage); }
.badge-copper { background: #F8EBE4; color: var(--copper-deep); }
.result-list { display: flex; flex-direction: column; gap: 12px; }
.result-card, .legend-card, .compare-card, .related-card, .scope-card, .more-band {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
}
.result-card {
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.result-card:hover { transform: translateY(-2px); }
.result-main { min-width: 0; }
.result-main h3 { margin-bottom: 6px; }
.result-main p { margin: 0; color: var(--muted); }
.badge-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.legend-grid, .related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.related-grid { grid-template-columns: repeat(3, 1fr); }
.legend-card, .related-card, .scope-card, .compare-card { padding: 20px; }
.legend-card strong, .level-no {
  display: block;
  color: var(--copper);
  font-family: var(--serif);
  font-size: 22px;
  margin-bottom: 6px;
}
.legend-card p, .related-card p, .compare-card p { margin: 0; color: var(--muted); }
.scope-grid { align-items: stretch; }
.scope-card { flex: 1; }
.scope-card h3 { font-size: 18px; }
.timeline { list-style: none; margin: 0; padding: 0; max-width: 760px; }
.time-item {
  position: relative;
  padding: 0 0 22px 22px;
  border-left: 1px solid var(--line);
}
.time-item:last-child { padding-bottom: 0; }
.time-item::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--copper);
  position: absolute;
  left: -5px;
  top: 8px;
}
.time-date { display: block; color: var(--copper-deep); font-size: 13px; font-weight: 700; }
.time-item a { color: var(--ink); font-weight: 700; font-family: var(--serif); }
.time-item a:hover { color: var(--plum); }
.time-item p { margin: 4px 0 0; color: var(--muted); }
.compare-grid { align-items: stretch; }
.compare-card { flex: 1; }
.compare-card h3 { padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.compare-line {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.compare-line:last-child { border-bottom: 0; padding-bottom: 0; }
.compare-line b { display: block; font-weight: 700; }
.related-card h3 { font-size: 17px; min-height: 3.2em; }
.related-card .more-link { display: inline-block; margin-top: 10px; font-weight: 500; }
.more-band {
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: var(--panel);
}
.more-band p { margin: 0; color: var(--muted); }
.dock {
  position: fixed;
  left: 0; right: 0;
  bottom: 0;
  z-index: 35;
  height: 56px;
  background: var(--panel);
  border-top: 1px solid var(--line);
  transform: translateY(110%);
  transition: transform .2s ease;
}
.dock.is-on { transform: translateY(0); }
.dock-inner { height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.dock-name { font-family: var(--serif); font-weight: 700; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.site-footer { background: var(--ink); color: #F4EFE8; padding: 36px 0 28px; }
.site-footer a { color: #F4EFE8; }
.foot-logo { color: #F4EFE8; }
.foot-logo:hover { color: #fff; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 14px 18px; }
.foot-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(244, 239, 232, .2);
  color: #E4D9CE;
  font-size: 14px;
}
@media (max-width: 991.98px) {
  .page-head-grid, .compare-grid, .scope-grid, .more-band { flex-direction: column; align-items: stretch; }
  .legend-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .filter-bar { width: 100%; }
  .compact-channels { gap: 12px; }
  .compact-nav .channel-link { font-size: 13px; }
}
@media (max-width: 767.98px) {
  .section { padding: 40px 0; }
  .channel-row { display: none; }
  .nav-toggle { display: inline-flex; }
  .brand-cta, .compact-channels, .compact-nav .btn-main { display: none; }
  .compact-nav .compact-shell { justify-content: space-between; }
  .legend-grid, .related-grid { grid-template-columns: 1fr; }
  .result-card { flex-direction: column; align-items: flex-start; }
  .result-card .btn-sub { width: 100%; }
  .logo-sm { font-size: 14px; }
}
@media (max-width: 575.98px) {
  .btn-main, .btn-sub, .more-band .btn-main { width: 100%; }
  .more-band { padding: 20px; }
  .foot-grid, .foot-meta, .dock-inner { flex-direction: column; align-items: flex-start; }
  .dock { height: auto; }
  .dock-inner { height: auto; padding: 8px 0 calc(8px + env(safe-area-inset-bottom)); }
  .logo { font-size: 14px; }
  h1 { font-size: 26px; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}