/* roulang page: index */
:root {
  --bg: #F3EFE8;
  --ink: #1C1917;
  --muted: #5E564F;
  --line: #DDD6CC;
  --card: #FFFCF8;
  --accent: #6E4E5C;
  --accent-ink: #F3EFE8;
  --green: #3E5148;
  --tint: #E7E1D8;
  --shadow: 0 8px 24px rgba(28, 25, 23, 0.06);
  --radius: 4px;
  --serif: "Songti SC", "STSong", SimSun, serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --space: 80px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
::selection { background: var(--tint); color: var(--ink); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.topbar {
  display: flex;
  align-items: center;
  gap: 18px 28px;
  min-height: 72px;
  padding: 12px 0;
}
.brand { display: flex; flex-direction: column; gap: 0; min-width: 0; }
.brand-main {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.brand-sub { font-size: 12px; color: var(--muted); letter-spacing: 0.08em; }
.main-nav {
  display: flex;
  flex: 1;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 8px;
}
.nav-link, .nav-drop > summary {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 10px;
  color: var(--ink);
  font-size: 15px;
  list-style: none;
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}
.nav-drop > summary::-webkit-details-marker { display: none; }
.nav-link.is-active, .nav-drop.is-active > summary { color: var(--accent); border-bottom-color: var(--accent); }
.nav-link:hover, .nav-drop > summary:hover, .nav-drop[open] > summary { color: var(--accent); }
.nav-drop { position: relative; }
.nav-panel {
  width: min(260px, 86vw);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 0;
}
.nav-panel a {
  display: block;
  padding: 8px 14px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  transition: background 200ms ease, color 200ms ease;
}
.nav-panel a:hover, .nav-panel a:focus-visible { background: var(--tint); color: var(--accent); }
@media (min-width: 1024px) {
  .nav-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    display: none;
    z-index: 50;
  }
  .nav-drop.align-end .nav-panel { left: auto; right: 0; }
  .nav-drop:hover > .nav-panel,
  .nav-drop:focus-within > .nav-panel,
  .nav-drop[open] > .nav-panel { display: block; }
}
.age-mark {
  flex: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: var(--radius);
  padding: 4px 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
}
.block { padding: var(--space) 0; }
.block-tint { background: var(--tint); }
.block-card { background: #F7F4EF; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.22;
  margin: 0 0 12px;
  color: var(--ink);
}
h1 { font-size: clamp(34px, 4.6vw, 56px); }
h2 { font-size: clamp(26px, 3vw, 36px); }
h3 { font-size: 20px; }
.kicker {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 13px;
  letter-spacing: 0.14em;
}
.subhead { color: var(--muted); font-size: 16px; margin: 0 0 22px; max-width: 40rem; }
.intro { color: var(--ink); max-width: 46rem; margin: 0 0 28px; }
.hero-grid, .split-7, .audience-row, .foot-grid {
  display: grid;
  gap: 28px;
}
.hero-grid { grid-template-columns: minmax(0, 7fr) minmax(260px, 5fr); align-items: end; }
.metric-board {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
}
.metric-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  padding: 16px 18px 14px;
  border-bottom: 1px solid var(--line);
}
.metric-row:last-child { border-bottom: 0; }
.metric-row span { color: var(--muted); font-size: 13px; }
.metric-row strong {
  font-family: var(--serif);
  font-size: 28px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent);
}
.meter { grid-column: 1 / -1; height: 2px; background: var(--line); }
.meter i { display: block; height: 2px; background: var(--accent); }
.metric-note { margin: 10px 2px 0; color: var(--muted); font-size: 13px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  font-size: 15px;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease, transform 200ms ease;
}
.btn-solid { background: var(--accent); color: var(--accent-ink); }
.btn-solid:hover, .btn-solid:focus-visible { background: transparent; color: var(--accent); }
.btn-line { background: transparent; color: var(--green); border-color: var(--green); position: relative; }
.btn-line:hover, .btn-line:focus-visible { background: var(--green); color: var(--accent-ink); }
.btn:active { transform: translateY(1px); }
.fine-table, .def-table, .data-table { width: 100%; border-collapse: collapse; background: var(--card); }
.fine-table th, .fine-table td, .def-table th, .def-table td, .data-table th, .data-table td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.7;
}
.fine-table th, .data-table th, .def-table th {
  font-weight: 600;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.06em;
  background: transparent;
}
.fine-table tr:hover td, .data-table tr:hover td { background: rgba(255, 252, 248, 0.7); }
.table-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: auto; }
.filter-panel { border: 1px solid var(--line); background: var(--card); border-radius: var(--radius); padding: 8px 8px 18px; }
.filter-line {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 8px 12px;
  align-items: start;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
}
.filter-line:last-of-type { border-bottom: 0; }
.filter-line b { font-size: 13px; color: var(--muted); font-weight: 600; padding-top: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink);
  font-size: 13px;
}
.chip.is-on { background: var(--green); border-color: var(--green); color: #F3EFE8; }
.panel-foot { padding: 4px 10px 0; color: var(--muted); font-size: 14px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.steps::before {
  content: "";
  position: absolute;
  top: 21px;
  left: 8px;
  right: 8px;
  height: 1px;
  background: var(--line);
}
.step {
  position: relative;
  padding-top: 46px;
}
.step em {
  position: absolute;
  top: 8px;
  left: 0;
  font-style: normal;
  font-variant-numeric: tabular-nums;
  font-family: var(--serif);
  color: var(--accent);
  background: var(--bg);
  padding-right: 8px;
  font-size: 18px;
}
.block-tint .step em { background: var(--tint); }
.rail { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 6px; scroll-snap-type: x mandatory; }
.scene {
  scroll-snap-align: start;
  flex: 0 0 auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  min-height: 220px;
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.scene:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.scene.w-l { width: min(520px, 82vw); }
.scene.w-s { width: min(300px, 74vw); }
.scene.w-m { width: min(420px, 80vw); }
.tag {
  display: inline-block;
  border: 1px solid var(--green);
  color: var(--green);
  border-radius: var(--radius);
  padding: 1px 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.span-7 { grid-column: span 7; }
.span-5 { grid-column: span 5; }
.span-8 { grid-column: span 8; }
.span-4 { grid-column: span 4; }
.span-12 { grid-column: span 12; }
.tex-card, .quote, .dir-row {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.tex-card { padding: 22px; min-height: 180px; }
.tex-card:hover, .quote:hover, .dir-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.tex-card:nth-child(2), .tex-card:nth-child(3) { min-height: 220px; }
.stat-line {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 18px;
  align-items: end;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.stat-line strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(52px, 7vw, 88px);
  line-height: 0.88;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.stat-line span { display: block; margin-top: 8px; color: var(--muted); }
.stat-note { margin-top: 18px; color: var(--muted); font-size: 14px; }
.quote-row { display: grid; grid-template-columns: 1.15fr 1fr 1.05fr; gap: 16px; align-items: stretch; }
.quote { padding: 20px 18px 16px; }
.quote p { font-family: var(--serif); font-size: 18px; line-height: 1.65; margin-bottom: 16px; }
.quote cite { font-style: normal; color: var(--muted); font-size: 13px; }
.audience-row {
  grid-template-columns: 180px 1fr;
  gap: 12px 24px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.audience-row h3 { margin: 0; font-size: 22px; }
.audience-row ul { margin: 0; padding: 0; list-style: none; }
.audience-row li {
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  color: var(--ink);
}
.split-7 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: start; }
.side-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.side-list li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.news { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.news li {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.news time { color: var(--accent); font-variant-numeric: tabular-nums; font-size: 14px; padding-top: 4px; }
.news a { font-family: var(--serif); font-size: 20px; letter-spacing: -0.03em; line-height: 1.35; }
.news a:hover { color: var(--accent); }
.link-more {
  display: inline-block;
  margin-top: 16px;
  color: var(--green);
  border-bottom: 1px solid var(--green);
  padding-bottom: 2px;
}
.num { font-variant-numeric: tabular-nums; }
.dir-list { display: flex; flex-direction: column; gap: 12px; }
.dir-row {
  display: grid;
  grid-template-columns: 160px 1fr auto;
  gap: 12px 20px;
  align-items: center;
  padding: 18px 20px;
  color: inherit;
}
.dir-row b { font-family: var(--serif); font-size: 22px; font-weight: 600; letter-spacing: -0.03em; }
.dir-row span { color: var(--muted); }
.dir-row i { font-style: normal; color: var(--accent); }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); background: transparent; }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: -0.03em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent); }
.faq details p { color: var(--muted); padding: 0 0 16px; max-width: 48rem; }
.cta-band {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  flex-wrap: wrap;
}
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 28px; background: var(--bg); }
.foot-grid { grid-template-columns: 1.4fr 0.6fr; align-items: start; }
.foot-links { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.foot-links a { border-bottom: 1px solid transparent; }
.foot-links a:hover { border-bottom-color: var(--accent); color: var(--accent); }
.copy { margin: 22px 0 0; color: var(--muted); font-size: 13px; }
@media (max-width: 1024px) {
  .hero-grid, .split-7, .quote-row, .stat-line { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .span-7, .span-5, .span-8, .span-4 { grid-column: span 12; }
  .dir-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --space: 44px; }
  .shell { width: min(1120px, calc(100% - 28px)); }
  .topbar { align-items: flex-start; }
  .main-nav { flex-basis: 100%; justify-content: flex-start; }
  .nav-panel { position: static; display: block; width: 100%; border: 0; padding: 0 0 8px 12px; background: transparent; }
  .nav-drop:not([open]) > .nav-panel { display: none; }
  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }
  .news li, .filter-line, .audience-row, .foot-grid { grid-template-columns: 1fr; }
  .brand-main { font-size: 17px; }
  h1 { font-size: 32px; }
}
@media (max-width: 520px) {
  .metric-row strong { font-size: 24px; }
  .stat-line strong { font-size: 46px; }
  .btn { width: 100%; }
  .scene.w-l, .scene.w-m, .scene.w-s { width: 86vw; }
}
@media (hover: none) {
  .btn-solid:hover { background: var(--accent); color: var(--accent-ink); }
  .btn-line:hover { background: transparent; color: var(--green); }
  .btn-solid:active { background: transparent; color: var(--accent); }
  .btn-line:active { background: var(--green); color: var(--accent-ink); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .tex-card:hover, .quote:hover, .dir-row:hover, .scene:hover, .btn:active { transform: none; }
}

/* roulang page: category2 */
:root {
  --bg: #F3EFE8;
  --ink: #1C1917;
  --muted: #5E564F;
  --line: #DDD6CC;
  --card: #FFFCF8;
  --accent: #6E4E5C;
  --accent-ink: #F3EFE8;
  --green: #3E5148;
  --tint: #E7E1D8;
  --shadow: 0 8px 24px rgba(28, 25, 23, 0.06);
  --radius: 4px;
  --serif: "Songti SC", "STSong", SimSun, serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --space: 80px;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.topbar {
  display: flex;
  align-items: center;
  gap: 18px 28px;
  min-height: 72px;
  padding: 12px 0;
}
.brand { display: flex; flex-direction: column; gap: 0; min-width: 0; }
.brand-main {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.brand-sub { font-size: 12px; color: var(--muted); letter-spacing: 0.08em; }
.main-nav {
  display: flex;
  flex: 1;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 8px;
}
.nav-link, .nav-drop > summary {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 10px;
  color: var(--ink);
  font-size: 15px;
  list-style: none;
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}
.nav-drop > summary::-webkit-details-marker { display: none; }
.nav-link.is-active, .nav-drop.is-active > summary { color: var(--accent); border-bottom-color: var(--accent); }
.nav-link:hover, .nav-drop > summary:hover, .nav-drop[open] > summary { color: var(--accent); }
.nav-drop { position: relative; }
.nav-panel {
  width: min(260px, 86vw);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 0;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  display: none;
  z-index: 50;
}
.nav-drop.align-end .nav-panel { left: auto; right: 0; }
.nav-drop:hover > .nav-panel,
.nav-drop:focus-within > .nav-panel,
.nav-drop[open] > .nav-panel { display: block; }
.nav-panel a {
  display: block;
  padding: 8px 14px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  transition: background 200ms ease, color 200ms ease;
}
.nav-panel a:hover, .nav-panel a:focus-visible { background: var(--tint); color: var(--accent); }
.age-mark {
  flex: 0 0 auto;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: var(--radius);
  padding: 2px 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.6;
}
main { display: block; }
section { padding: var(--space) 0; }
.band-tint { background: var(--tint); }
.band-line { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #F7F4EF; }
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin: 0;
}
h1 { font-size: 40px; }
h2 { font-size: 30px; }
h3 { font-size: 22px; }
p { margin: 0 0 0.95em; }
p:last-child { margin-bottom: 0; }
.lead { color: var(--muted); max-width: 42em; margin-top: 14px; }
.head-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 28px;
  align-items: end;
}
.count-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.count-box span { display: block; color: var(--muted); font-size: 13px; }
.count-box strong {
  display: block;
  margin-top: 6px;
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.count-box em { font-style: normal; color: var(--muted); font-size: 13px; }
.tag {
  display: inline-block;
  border: 1px solid var(--green);
  color: var(--green);
  border-radius: var(--radius);
  padding: 1px 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.silk-board {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 16px;
  align-items: start;
}
.tex-card, .quote, .dir-row, .empty-panel, .note-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.tex-card { padding: 22px; min-height: 180px; border-top: 2px solid var(--accent); }
.tex-card.tone-green { border-top-color: var(--green); }
.tex-card.is-tall { min-height: 286px; }
.tex-card.is-mid { min-height: 228px; }
.tex-card.is-short { min-height: 176px; }
.tex-card:hover, .quote:hover, .dir-row:hover, .note-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card-kicker { color: var(--green); font-size: 12px; letter-spacing: 0.08em; margin-bottom: 8px; }
.tex-card h3 { margin-bottom: 10px; }
.meta-list { margin: 12px 0 0; padding: 0; list-style: none; }
.meta-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.meta-list span { color: var(--muted); }
.meta-list b { font-weight: 500; font-variant-numeric: tabular-nums; }
.more-row { display: flex; justify-content: flex-end; margin-top: 18px; }
.more-row a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink);
  font-size: 13px;
}
.chip.is-on { background: var(--green); border-color: var(--green); color: #F3EFE8; }
.fine-table, .def-table, .data-table { width: 100%; border-collapse: collapse; background: var(--card); }
.fine-table th, .fine-table td, .def-table th, .def-table td, .data-table th, .data-table td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.7;
}
.fine-table th, .data-table th, .def-table th {
  font-weight: 600;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.06em;
  background: transparent;
}
.fine-table tr:hover td, .data-table tr:hover td { background: rgba(255, 252, 248, 0.7); }
.split-note {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 16px;
}
.note-card { padding: 22px 22px 8px; }
.note-card ol, .note-card ul { margin: 12px 0 18px; padding-left: 1.2em; }
.note-card li { margin: 0 0 8px; }
.metric-line {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.metric-cell { padding: 18px 16px 16px; border-right: 1px solid var(--line); }
.metric-cell:last-child { border-right: 0; }
.metric-cell span { display: block; color: var(--muted); font-size: 13px; }
.metric-cell strong {
  display: block;
  margin-top: 8px;
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
}
.empty-panel { padding: 22px; display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 18px; align-items: center; }
.zero {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 0.9;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.05em;
}
.side-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.side-list li { padding: 14px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 16px; }
.news a { font-family: var(--serif); font-size: 20px; line-height: 1.45; letter-spacing: -0.02em; }
.news a:hover, .news a:focus-visible { color: var(--accent); }
.news time { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.cta-band {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 8px 0;
}
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  font-size: 15px;
  background: transparent;
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease, transform 200ms ease;
}
.btn-solid { background: var(--accent); color: var(--accent-ink); }
.btn-solid:hover, .btn-solid:focus-visible { background: transparent; color: var(--accent); }
.btn-line { background: transparent; color: var(--green); border-color: var(--green); }
.btn-line:hover, .btn-line:focus-visible { background: var(--green); color: var(--accent-ink); }
.btn:active { transform: translateY(1px); }
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 28px; background: var(--tint); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 28px; align-items: start; }
.foot-links { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.foot-links a { border-bottom: 1px solid transparent; min-height: 32px; display: inline-flex; align-items: center; }
.foot-links a:hover, .foot-links a:focus-visible { color: var(--accent); border-bottom-color: var(--accent); }
.copy { color: var(--muted); font-size: 13px; margin: 18px 0 0; }
.section-intro { max-width: 40em; color: var(--muted); margin: 10px 0 22px; }
@media (max-width: 1024px) {
  h1 { font-size: 34px; }
  .head-row, .split-note, .empty-panel { grid-template-columns: 1fr; }
  .metric-line { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-cell:nth-child(2) { border-right: 0; }
  .metric-cell:nth-child(1), .metric-cell:nth-child(2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 768px) {
  :root { --space: 44px; }
  .shell { width: min(1120px, calc(100% - 28px)); }
  .topbar { flex-wrap: wrap; align-items: flex-start; }
  .main-nav { width: 100%; justify-content: flex-start; }
  .nav-panel { position: static; width: 100%; margin-bottom: 6px; }
  .age-mark { margin-left: auto; }
  .silk-board, .side-list li, .cta-band, .foot-grid { grid-template-columns: 1fr; display: grid; }
  .cta-band { align-items: flex-start; }
  .tex-card.is-tall, .tex-card.is-mid, .tex-card.is-short { min-height: 0; }
  h1 { font-size: 30px; }
  h2 { font-size: 26px; }
}
@media (max-width: 520px) {
  .brand-main { font-size: 17px; }
  .count-box strong { font-size: 28px; }
  .zero { font-size: 44px; }
  .metric-line { grid-template-columns: 1fr; }
  .metric-cell { border-right: 0; border-bottom: 1px solid var(--line); }
  .metric-cell:last-child { border-bottom: 0; }
  .news a { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  .tex-card:hover, .quote:hover, .dir-row:hover, .note-card:hover { transform: none; }
}

/* roulang page: category1 */
:root {
 --bg: #F3EFE8;
 --ink: #1C1917;
 --muted: #5E564F;
 --line: #DDD6CC;
 --card: #FFFCF8;
 --accent: #6E4E5C;
 --accent-ink: #F3EFE8;
 --green: #3E5148;
 --tint: #E7E1D8;
 --shadow: 0 8px 24px rgba(28, 25, 23, 0.06);
 --radius: 4px;
 --serif: "Songti SC", "STSong", SimSun, serif;
 --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 --space: 80px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: var(--sans);
 font-size: 16px;
 line-height: 1.8;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font: inherit; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible {
 outline: 2px solid var(--accent);
 outline-offset: 2px;
}
p { margin: 0 0 14px; }
h1, h2, h3 {
 font-family: var(--serif);
 letter-spacing: -0.03em;
 line-height: 1.25;
 font-weight: 600;
 margin: 0 0 12px;
 color: var(--ink);
}
h1 { font-size: 40px; }
h2 { font-size: 28px; }
h3 { font-size: 20px; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: var(--bg);
 border-bottom: 1px solid var(--line);
}
.topbar {
 display: flex;
 align-items: center;
 gap: 18px 28px;
 min-height: 72px;
 padding: 12px 0;
}
.brand { display: flex; flex-direction: column; gap: 0; min-width: 0; }
.brand-main {
 font-family: var(--serif);
 font-size: 20px;
 line-height: 1.25;
 letter-spacing: -0.03em;
 color: var(--ink);
}
.brand-sub { font-size: 12px; color: var(--muted); letter-spacing: 0.08em; }
.main-nav {
 display: flex;
 flex: 1;
 justify-content: flex-end;
 align-items: center;
 flex-wrap: wrap;
 gap: 4px 8px;
}
.nav-link, .nav-drop > summary {
 display: inline-flex;
 align-items: center;
 min-height: 40px;
 padding: 0 10px;
 color: var(--ink);
 font-size: 15px;
 list-style: none;
 cursor: pointer;
 border-bottom: 1px solid transparent;
 transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}
.nav-drop > summary::-webkit-details-marker { display: none; }
.nav-drop > summary a { color: inherit; }
.nav-link.is-active, .nav-drop.is-active > summary { color: var(--accent); border-bottom-color: var(--accent); }
.nav-link:hover, .nav-drop > summary:hover, .nav-drop[open] > summary { color: var(--accent); }
.nav-drop { position: relative; }
.nav-panel {
 position: absolute;
 top: calc(100% + 6px);
 left: 0;
 display: none;
 z-index: 50;
 width: min(260px, 86vw);
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 6px 0;
}
.nav-drop.align-end .nav-panel { left: auto; right: 0; }
.nav-drop:hover > .nav-panel,
.nav-drop:focus-within > .nav-panel,
.nav-drop[open] > .nav-panel { display: block; }
.nav-panel a {
 display: block;
 padding: 8px 14px;
 color: var(--ink);
 font-size: 14px;
 line-height: 1.5;
 transition: background 200ms ease, color 200ms ease;
}
.nav-panel a:hover, .nav-panel a:focus-visible { background: var(--tint); color: var(--accent); }
.age-mark {
 margin: 0 0 0 8px;
 border: 1px solid var(--green);
 color: var(--green);
 font-size: 12px;
 letter-spacing: 0.08em;
 line-height: 1.4;
 padding: 4px 8px;
 border-radius: var(--radius);
 white-space: nowrap;
}
.section-block { padding: var(--space) 0; background: var(--bg); }
.section-block.is-tint { background: var(--tint); }
.section-block.is-line { background: #F7F4EF; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.kicker { margin: 0 0 8px; color: var(--green); font-size: 13px; letter-spacing: 0.08em; }
.lede { color: var(--muted); max-width: 38em; margin-bottom: 0; }
.head-grid {
 display: grid;
 grid-template-columns: minmax(0, 7fr) minmax(240px, 5fr);
 gap: 28px 36px;
 align-items: end;
}
.head-metrics {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 border-top: 1px solid var(--line);
 border-bottom: 1px solid var(--line);
}
.head-metrics p { margin: 0; padding: 14px 12px 12px 0; }
.head-metrics span { display: block; color: var(--muted); font-size: 13px; }
.head-metrics strong {
 display: block;
 margin-top: 6px;
 font-family: var(--serif);
 font-variant-numeric: tabular-nums;
 font-size: 32px;
 line-height: 1;
 letter-spacing: -0.04em;
 color: var(--accent);
}
.filter-bar { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
 display: inline-flex;
 align-items: center;
 min-height: 32px;
 padding: 0 10px;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 background: var(--bg);
 color: var(--ink);
 font-size: 13px;
 transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}
.chip:hover, .chip:focus-visible { border-color: var(--green); color: var(--green); }
.chip.is-on { background: var(--green); border-color: var(--green); color: #F3EFE8; }
.section-head { margin-bottom: 22px; max-width: 40em; }
.section-head p { color: var(--muted); margin: 0; }
.catalog {
 width: 100%;
 border-collapse: collapse;
 background: var(--card);
 border: 1px solid var(--line);
}
.catalog th, .catalog td {
 border-bottom: 1px solid var(--line);
 text-align: left;
 vertical-align: top;
 padding: 14px 16px;
 font-size: 15px;
 line-height: 1.7;
}
.catalog th {
 font-weight: 600;
 color: var(--muted);
 font-size: 13px;
 letter-spacing: 0.06em;
 background: transparent;
}
.catalog tr:last-child td { border-bottom: 0; }
.catalog tbody tr:hover td { background: rgba(231, 225, 216, 0.45); }
.row-title {
 font-family: var(--serif);
 font-size: 18px;
 letter-spacing: -0.03em;
 line-height: 1.4;
}
.tag {
 display: inline-block;
 border: 1px solid var(--green);
 color: var(--green);
 border-radius: var(--radius);
 padding: 1px 8px;
 font-size: 12px;
 letter-spacing: 0.04em;
 line-height: 1.6;
}
.more-row { margin: 16px 0 0; }
.text-link {
 display: inline-flex;
 align-items: center;
 min-height: 40px;
 color: var(--accent);
 border-bottom: 1px solid var(--accent);
 transition: color 200ms ease, border-color 200ms ease;
}
.text-link:hover, .text-link:focus-visible { color: var(--green); border-bottom-color: var(--green); }
.fine-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); }
.fine-table th, .fine-table td {
 border-bottom: 1px solid var(--line);
 text-align: left;
 vertical-align: top;
 padding: 14px 16px;
 font-size: 15px;
 line-height: 1.7;
}
.fine-table th {
 width: 18%;
 font-weight: 600;
 color: var(--muted);
 font-size: 13px;
 letter-spacing: 0.06em;
}
.fine-table tr:last-child th, .fine-table tr:last-child td { border-bottom: 0; }
.legend-grid {
 display: grid;
 grid-template-columns: 1.25fr 0.85fr;
 border-top: 1px solid var(--line);
 border-bottom: 1px solid var(--line);
}
.legend-grid article { padding: 8px 28px 8px 0; }
.legend-grid article + article { padding: 8px 0 8px 28px; border-left: 1px solid var(--line); }
.legend-grid h3 { margin-bottom: 8px; }
.legend-grid p { margin: 0; color: var(--ink); }
.swatch {
 display: inline-block;
 width: 18px;
 height: 8px;
 margin-right: 8px;
 background: var(--accent);
 vertical-align: middle;
}
.swatch.green { background: var(--green); }
.week-strip {
 display: flex;
 gap: 0;
 overflow-x: auto;
 border-top: 1px solid var(--line);
 border-bottom: 1px solid var(--line);
 background: var(--card);
}
.week-item {
 flex: 1 0 240px;
 min-width: 240px;
 padding: 18px 20px;
 border-right: 1px solid var(--line);
}
.week-item:last-child { border-right: 0; }
.week-item time {
 display: block;
 color: var(--muted);
 font-size: 13px;
 font-variant-numeric: tabular-nums;
}
.week-item strong {
 display: block;
 margin-top: 6px;
 font-family: var(--serif);
 font-size: 18px;
 font-weight: 600;
 letter-spacing: -0.03em;
 line-height: 1.4;
}
.order-list { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--line); }
.order-list li {
 display: grid;
 grid-template-columns: 72px minmax(0, 1fr);
 gap: 8px 16px;
 align-items: baseline;
 padding: 18px 0;
 border-top: 1px solid var(--line);
}
.order-list .num {
 font-family: var(--serif);
 font-variant-numeric: tabular-nums;
 font-size: 32px;
 line-height: 1;
 letter-spacing: -0.04em;
 color: var(--accent);
}
.order-list h3 { margin: 0 0 4px; font-size: 22px; }
.order-list p { margin: 0; color: var(--muted); }
.article-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.article-list li { border-bottom: 1px solid var(--line); }
.article-list a {
 display: grid;
 grid-template-columns: 92px minmax(0, 1fr);
 gap: 12px 18px;
 align-items: baseline;
 padding: 16px 0;
 transition: color 200ms ease;
}
.article-list a:hover, .article-list a:focus-visible { color: var(--accent); }
.article-list time {
 color: var(--muted);
 font-size: 13px;
 font-variant-numeric: tabular-nums;
}
.article-list strong {
 font-family: var(--serif);
 font-size: 20px;
 font-weight: 600;
 letter-spacing: -0.03em;
}
.page-cta .cta-row {
 display: flex;
 justify-content: space-between;
 align-items: end;
 gap: 24px;
}
.page-cta h2 { margin-bottom: 8px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: var(--radius);
 border: 1px solid var(--accent);
 font-size: 15px;
 line-height: 1;
 transition: background 200ms ease, color 200ms ease, border-color 200ms ease, transform 200ms ease;
}
.btn-solid { background: var(--accent); color: var(--accent-ink); }
.btn-solid:hover, .btn-solid:focus-visible { background: transparent; color: var(--accent); }
.btn-line { background: transparent; color: var(--green); border-color: var(--green); }
.btn-line:hover, .btn-line:focus-visible { background: var(--green); color: var(--accent-ink); }
.btn:active { transform: translateY(1px); }
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 28px; background: var(--tint); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 28px; align-items: start; }
.foot-links { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.foot-links a { border-bottom: 1px solid transparent; transition: color 200ms ease, border-color 200ms ease; }
.foot-links a:hover, .foot-links a:focus-visible { color: var(--accent); border-bottom-color: var(--accent); }
.copy { margin: 22px 0 0; color: var(--muted); font-size: 13px; }
@media (max-width: 1024px) {
 :root { --space: 64px; }
 h1 { font-size: 34px; }
 h2 { font-size: 26px; }
}
@media (max-width: 768px) {
 :root { --space: 48px; }
 .topbar { flex-wrap: wrap; align-items: flex-start; }
 .main-nav { flex: 1 1 100%; justify-content: flex-start; }
 .age-mark { margin-left: auto; }
 .head-grid, .legend-grid, .foot-grid, .page-cta .cta-row { grid-template-columns: 1fr; display: grid; }
 .legend-grid article, .legend-grid article + article { padding: 12px 0; border-left: 0; }
 .legend-grid article + article { border-top: 1px solid var(--line); }
 .catalog thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
 .catalog, .catalog tbody, .catalog tr, .catalog td { display: block; width: 100%; }
 .catalog { border: 0; background: transparent; }
 .catalog tr { border: 1px solid var(--line); background: var(--card); margin-bottom: 12px; }
 .catalog td {
 display: grid;
 grid-template-columns: 76px minmax(0, 1fr);
 gap: 8px;
 border-bottom: 1px solid var(--line);
 }
 .catalog tr td:last-child { border-bottom: 0; }
 .catalog td::before { content: attr(data-label); color: var(--muted); font-size: 12px; }
 .article-list a { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 520px) {
 .shell { width: min(1120px, calc(100% - 28px)); }
 .brand-main { font-size: 16px; }
 h1 { font-size: 30px; }
 .head-metrics { grid-template-columns: 1fr; }
 .head-metrics p {
 display: flex;
 justify-content: space-between;
 align-items: baseline;
 gap: 12px;
 border-bottom: 1px solid var(--line);
 }
 .head-metrics p:last-child { border-bottom: 0; }
 .head-metrics strong { margin-top: 0; font-size: 28px; }
 .btn { width: 100%; }
 .week-item { flex-basis: 82%; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition: none !important; }
}