/* roulang page: index */
:root {
  --ink: #1C1412;
  --paper: #F3EBE3;
  --persimmon: #C4493A;
  --persimmon-deep: #A33A2E;
  --apricot: #E8A87C;
  --moss: #3E6B5A;
  --line: rgba(28,20,18,.14);
  --paper-dim: rgba(243,235,227,.72);
  --shadow: 0 12px 28px rgba(28,20,18,.08);
  --radius: 18px;
  --mono: ui-monospace, "SFMono-Regular", "Noto Sans Mono", Menlo, Consolas, monospace;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", 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;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--persimmon); text-decoration: underline; text-underline-offset: 3px; }
button, input, textarea { font-family: inherit; }
::selection { background: var(--apricot); color: var(--ink); }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.prose { max-width: 34em; }
.section { padding: 4rem 0; }
.paper { background: var(--paper); color: var(--ink); }
.ink { background: var(--ink); color: var(--paper); }
.apricot { background: #f6d7c4; color: var(--ink); }
.mossband { background: #e7efe9; color: var(--ink); }
h1, h2, h3 { text-align: left; line-height: 1.2; font-weight: 700; margin: 0; }
h1 { font-size: 1.875rem; letter-spacing: 0; }
h2 { font-size: 1.75rem; margin-bottom: .75rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 .8rem; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-bottom: .8rem;
  color: var(--persimmon);
  font-size: .92rem;
}
.ink .kicker { color: var(--apricot); }
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: .15rem .7rem;
  background: var(--moss);
  color: var(--paper);
  font-size: .78rem;
  line-height: 1.6;
  border: 1px solid transparent;
}
.badge.hot { background: var(--persimmon); }
.badge.soft { background: transparent; color: var(--ink); border-color: var(--line); }
.ink .badge.soft { color: var(--paper); border-color: rgba(243,235,227,.28); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .65rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--persimmon);
  background: var(--persimmon);
  color: var(--paper);
  text-decoration: none;
  box-shadow: none;
  transition: background .18s ease, transform .18s ease, border-color .18s ease, color .18s ease;
  cursor: pointer;
}
.btn:hover { background: var(--persimmon-deep); border-color: var(--persimmon-deep); color: var(--paper); text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn:focus { outline: 2px solid var(--moss); outline-offset: 2px; }
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(243,235,227,.45);
}
.btn-ghost:hover { background: transparent; color: var(--apricot); border-color: var(--persimmon); text-decoration: none; }
.paper .btn-line, .apricot .btn-line, .mossband .btn-line {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.paper .btn-line:hover, .apricot .btn-line:hover, .mossband .btn-line:hover {
  color: var(--persimmon);
  border-color: var(--persimmon);
  background: transparent;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243,235,227,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: none;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 76px;
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  min-width: 8.5rem;
}
.logo span:first-child { font-size: .95rem; }
.logo span:last-child { font-size: .78rem; color: var(--persimmon); }
.logo:hover { text-decoration: none; color: var(--ink); }
.primary-nav { display: flex; align-items: center; gap: .2rem; flex: 1; }
.primary-nav a {
  position: relative;
  padding: .45rem .7rem;
  color: var(--ink);
  text-decoration: none;
  font-size: .95rem;
}
.primary-nav a:hover { color: var(--persimmon); text-decoration: none; }
.primary-nav a.active::after,
.primary-nav a:focus-visible::after {
  content: "";
  position: absolute;
  left: .7rem;
  right: .7rem;
  bottom: .15rem;
  height: 2px;
  background: var(--persimmon);
}
.mega { position: relative; margin-left: auto; }
.mega summary {
  list-style: none;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: .45rem .9rem;
  transition: border-color .18s ease, transform .18s ease;
}
.mega summary::-webkit-details-marker { display: none; }
.mega summary:hover { border-color: var(--persimmon); color: var(--persimmon); }
.mega summary:focus { outline: 2px solid var(--moss); outline-offset: 2px; }
.mega-panel {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(640px, 78vw);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}
.mega[open] .mega-panel, .mega:hover .mega-panel, .mega:focus-within .mega-panel { display: block; }
.mega-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; }
.entry-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .85rem;
  background: #faf6f1;
  color: var(--ink);
  text-decoration: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.entry-card:hover { border-color: var(--persimmon); box-shadow: var(--shadow); color: var(--ink); text-decoration: none; }
.entry-card strong { display: block; margin: .35rem 0; }
.entry-card span { display: block; font-size: .85rem; line-height: 1.6; }
.latest { margin-top: .9rem; padding-top: .8rem; border-top: 1px solid var(--line); }
.latest p { font-size: .85rem; margin-bottom: .35rem; }
.latest ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .25rem; }
.latest a { color: var(--ink); }
.hero-grid, .split, .flip, .audit {
  display: grid;
  gap: 1.5rem;
}
.stage {
  border: 1px solid rgba(243,235,227,.2);
  border-radius: var(--radius);
  padding: 1rem;
  background: #2a1d19;
  box-shadow: var(--shadow);
}
.cover-frame {
  border-radius: 22px;
  min-height: 280px;
  background:
    radial-circle, linear-gradient(160deg, #c4493a 0%, #e8a87c 48%, #3e6b5a 100%);
  background: linear-gradient(160deg, #c4493a 0%, #e8a87c 52%, #3e6b5a 100%);
  position: relative;
  overflow: hidden;
  border-radius: 28px;
}
.cover-frame .badge { position: absolute; left: 1rem; top: 1rem; }
.wave {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1.2rem;
  height: 84px;
  display: flex;
  align-items: flex-end;
  gap: 6px;
}
.wave i {
  display: block;
  flex: 1;
  background: rgba(243,235,227,.88);
  border-radius: 999px;
  height: var(--h);
}
.track, .news, .scale-list, .boundary, .foot-links { list-style: none; margin: 0; padding: 0; }
.track li, .news li, .row-card {
  display: grid;
  grid-template-columns: 4.2rem 1fr auto;
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .95rem 1rem;
  margin-bottom: .7rem;
  background: rgba(255,255,255,.28);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.ink .row-card, .ink .track li { background: #261c19; border-color: rgba(243,235,227,.14); }
.track li:hover, .news li:hover, .row-card:hover { border-color: var(--persimmon); box-shadow: var(--shadow); }
.track a, .news a { color: inherit; text-decoration: none; }
.track a:hover, .news a:hover { color: var(--persimmon); }
.idx { font-family: var(--mono); font-size: 1.05rem; color: var(--persimmon); }
.tick { font-family: var(--mono); font-size: .85rem; color: var(--moss); white-space: nowrap; }
.ink .tick { color: var(--apricot); }
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}
.timeline li:last-child { border-bottom: 1px solid var(--line); }
.step-no { font-family: var(--mono); font-size: 1.4rem; color: var(--persimmon); }
.frame-side {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 260px;
  padding: 1rem;
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.geo {
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 28px;
  background: var(--apricot);
  right: -20px;
  top: 24px;
}
.geo.b {
  width: 90px;
  height: 180px;
  border-radius: 999px;
  background: var(--moss);
  left: 20px;
  bottom: -40px;
  top: auto;
}
.frame-side .cap { position: relative; z-index: 1; max-width: 16rem; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .8rem;
}
.stat {
  border: 1px solid rgba(243,235,227,.16);
  border-radius: var(--radius);
  padding: 1.1rem;
  background: #261c19;
}
.stat b { display: block; font-family: var(--mono); font-size: 2.4rem; line-height: 1; color: var(--apricot); }
.quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.quote {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  background: #fffaf6;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.quote:hover { border-color: var(--persimmon); box-shadow: var(--shadow); }
.quote p { font-size: 1.02rem; }
.who { margin: 0; }
.who div { display: grid; grid-template-columns: 8.5rem 1fr; gap: .8rem; padding: .9rem 0; border-top: 1px solid var(--line); }
.who dt { font-weight: 700; }
.who dd { margin: 0; }
.meter { height: 8px; border-radius: 999px; background: rgba(28,20,18,.08); overflow: hidden; margin-top: .35rem; }
.meter span { display: block; height: 100%; background: var(--persimmon); width: var(--w); }
.scale-list li { padding: .85rem 0; border-top: 1px solid var(--line); }
.metric-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.metric-band div { padding: 1rem 1rem 1rem 0; border-right: 1px solid var(--line); }
.metric-band div:last-child { border-right: 0; }
.metric-band strong { display: block; font-family: var(--mono); font-size: 1.35rem; }
.cat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.cat-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .7rem;
  min-height: 240px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 1.3rem;
  background: #fffaf6;
  text-decoration: none;
  color: var(--ink);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.cat-card:hover { border-color: var(--persimmon); box-shadow: var(--shadow); color: var(--ink); text-decoration: none; }
.cat-card.alt { background: var(--ink); color: var(--paper); border-color: transparent; }
.cat-card.alt:hover { color: var(--paper); }
details.qa {
  border-bottom: 1px solid var(--line);
  padding: .4rem 0;
}
details.qa summary {
  cursor: pointer;
  font-weight: 700;
  padding: .7rem 0;
  list-style: none;
}
details.qa summary::-webkit-details-marker { display: none; }
details.qa summary:focus { outline: 2px solid var(--moss); outline-offset: 2px; }
details.qa p { max-width: 40em; padding-bottom: .6rem; }
.boundary li { padding: .55rem 0 .55rem 1rem; border-left: 2px solid var(--persimmon); margin: .45rem 0; }
.cta-band {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
}
.site-footer { background: var(--ink); color: var(--paper); padding: 3rem 0 1.4rem; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 1.5rem; }
.site-footer a { color: var(--paper); }
.site-footer a:hover { color: var(--apricot); }
.fine { margin-top: 1.4rem; padding-top: 1rem; border-top: 1px solid rgba(243,235,227,.16); font-size: .85rem; color: var(--paper-dim); }
.static-form { display: grid; gap: .55rem; margin-top: .6rem; }
.choices { display: flex; flex-wrap: wrap; gap: .45rem .8rem; font-size: .92rem; }
.static-form input[type="radio"] { accent-color: var(--persimmon); }
.static-form textarea {
  width: 100%;
  min-height: 74px;
  border-radius: 12px;
  border: 1px solid rgba(243,235,227,.28);
  background: #261c19;
  color: var(--paper);
  padding: .6rem .7rem;
  resize: vertical;
}
.static-form textarea:focus { outline: 2px solid var(--moss); border-color: var(--moss); }
@media (min-width: 768px) {
  .section { padding: 6rem 0; }
  h1 { font-size: 3rem; }
  h2 { font-size: 2.15rem; }
}
@media (min-width: 1024px) {
  h1 { font-size: 3.75rem; }
  .hero-grid { grid-template-columns: 1.15fr .85fr; align-items: center; }
  .split { grid-template-columns: 1.05fr .95fr; align-items: center; }
  .flip { grid-template-columns: .9fr 1.1fr; align-items: center; }
  .audit { grid-template-columns: .9fr 1.1fr; }
}
@media (max-width: 1023px) {
  .mega-grid, .stats, .quotes, .cat-grid, .metric-band, .foot-grid { grid-template-columns: 1fr 1fr; }
  .header-inner { flex-wrap: wrap; padding: .7rem 0; }
  .primary-nav { order: 3; width: 100%; overflow-x: auto; }
  .mega { margin-left: 0; }
  .mega-panel { position: static; width: 100%; margin-top: .6rem; }
}
@media (max-width: 767px) {
  h1 { font-size: 1.875rem; }
  .stats, .quotes, .cat-grid, .mega-grid, .metric-band, .foot-grid, .who div, .track li, .news li, .row-card, .cta-band {
    grid-template-columns: 1fr;
  }
  .metric-band div { border-right: 0; border-bottom: 1px solid var(--line); padding-left: 0; }
  .timeline li { grid-template-columns: 3rem 1fr; }
  .cta-band { align-items: flex-start; }
}
@media (max-width: 520px) {
  .container { width: min(1120px, calc(100% - 20px)); }
  .section { padding: 3.2rem 0; }
  .primary-nav a { padding: .4rem .45rem; font-size: .88rem; }
  .stat b { font-size: 2rem; }
}

/* roulang page: category1 */
:root {
  --ink: #1C1412;
  --paper: #F3EBE3;
  --persimmon: #C4493A;
  --persimmon-deep: #A33A2E;
  --apricot: #E8A87C;
  --moss: #3E6B5A;
  --line: rgba(28,20,18,.14);
  --paper-dim: rgba(243,235,227,.72);
  --shadow: 0 12px 28px rgba(28,20,18,.08);
  --radius: 18px;
  --mono: ui-monospace, "SFMono-Regular", "Noto Sans Mono", Menlo, Consolas, monospace;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
html { scroll-behavior: smooth; }
body.page {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body.page *, body.page *::before, body.page *::after { box-sizing: border-box; }
body.page img, body.page svg { max-width: 100%; display: block; }
body.page a { color: inherit; text-decoration: none; }
body.page a:hover { color: var(--persimmon); text-decoration: underline; text-underline-offset: 3px; }
body.page button, body.page input, body.page textarea { font-family: inherit; }
body.page h1, body.page h2, body.page h3, body.page p { margin: 0; }
body.page h1 {
  font-size: 1.875rem;
  line-height: 1.2;
  font-weight: 700;
  text-align: left;
  letter-spacing: 0;
}
body.page h2 {
  font-size: 1.65rem;
  line-height: 1.2;
  font-weight: 700;
  text-align: left;
}
body.page h3 { font-size: 1.05rem; line-height: 1.35; font-weight: 700; }
body.page p { max-width: 34em; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 4rem 0; }
.paper { background: var(--paper); color: var(--ink); }
.ink { background: var(--ink); color: var(--paper); }
.apricot { background: #f4dfd0; color: var(--ink); }
.mossband { background: var(--moss); color: var(--paper); }
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: .15rem .7rem;
  background: var(--moss);
  color: var(--paper);
  font-size: .78rem;
  line-height: 1.6;
  border: 1px solid transparent;
  font-style: normal;
}
.badge.hot { background: var(--persimmon); }
.badge.soft { background: transparent; color: var(--ink); border-color: var(--line); }
.ink .badge.soft { color: var(--paper); border-color: rgba(243,235,227,.28); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .65rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--persimmon);
  background: var(--persimmon);
  color: var(--paper);
  text-decoration: none;
  box-shadow: none;
  transition: background .18s ease, transform .18s ease, border-color .18s ease, color .18s ease;
  cursor: pointer;
}
.btn:hover { background: var(--persimmon-deep); border-color: var(--persimmon-deep); color: var(--paper); text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn:focus { outline: 2px solid var(--moss); outline-offset: 2px; }
.btn-ghost { background: transparent; color: var(--paper); border-color: rgba(243,235,227,.45); }
.btn-ghost:hover { background: transparent; color: var(--apricot); border-color: var(--persimmon); text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243,235,227,.94);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 76px;
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  min-width: 8.5rem;
}
.logo span:first-child { font-size: .95rem; }
.logo span:last-child { font-size: .78rem; color: var(--persimmon); }
.logo:hover { text-decoration: none; color: var(--ink); }
.primary-nav { display: flex; align-items: center; gap: .2rem; flex: 1; }
.primary-nav a {
  position: relative;
  padding: .45rem .7rem;
  color: var(--ink);
  text-decoration: none;
  font-size: .95rem;
  white-space: nowrap;
}
.primary-nav a:hover { color: var(--persimmon); text-decoration: none; }
.primary-nav a.active::after,
.primary-nav a:focus-visible::after {
  content: "";
  position: absolute;
  left: .7rem;
  right: .7rem;
  bottom: .15rem;
  height: 2px;
  background: var(--persimmon);
}
.mega { position: relative; margin-left: auto; }
.mega summary {
  list-style: none;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: .45rem .9rem;
  transition: border-color .18s ease, color .18s ease;
}
.mega summary::-webkit-details-marker { display: none; }
.mega summary:hover { border-color: var(--persimmon); color: var(--persimmon); }
.mega summary:focus { outline: 2px solid var(--moss); outline-offset: 2px; }
.mega-panel {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(640px, 78vw);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}
.mega[open] .mega-panel, .mega:hover .mega-panel, .mega:focus-within .mega-panel { display: block; }
.mega-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; }
.entry-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .85rem;
  background: #faf6f1;
  color: var(--ink);
  text-decoration: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.entry-card:hover { border-color: var(--persimmon); box-shadow: var(--shadow); color: var(--ink); text-decoration: none; }
.entry-card strong { display: block; margin: .35rem 0; }
.entry-card span { display: block; font-size: .85rem; line-height: 1.6; }
.latest { margin-top: .9rem; padding-top: .8rem; border-top: 1px solid var(--line); }
.latest p { font-weight: 700; margin-bottom: .35rem; }
.latest ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .3rem; }
.latest a { color: var(--ink); }
.chapter-grid, .split, .catalog-layout { display: grid; gap: 1.5rem; }
.chapter-grid { grid-template-columns: 1.25fr .75fr; align-items: center; }
.catalog-layout { grid-template-columns: minmax(0, 1fr) 280px; align-items: start; }
.stage {
  border: 1px solid rgba(243,235,227,.2);
  border-radius: var(--radius);
  padding: 1rem;
  background: #2a1d19;
  box-shadow: var(--shadow);
  min-height: 240px;
  position: relative;
  overflow: hidden;
}
.cover-frame .badge { position: absolute; left: 1rem; top: 1rem; }
.geo { display: flex; gap: .6rem; margin-top: 3.2rem; }
.geo i { display: block; width: 72px; height: 72px; border-radius: 18px; background: var(--persimmon); }
.geo i:nth-child(2) { background: var(--apricot); border-radius: 50%; }
.geo i:nth-child(3) { background: var(--moss); width: 46px; }
.wave { width: 100%; height: 92px; margin-top: 1rem; }
.eyebrow { color: var(--persimmon); font-size: .92rem; margin-bottom: .45rem; }
.lead { margin-top: .7rem; }
.filter-bar { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.1rem; }
.chip {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  min-height: 38px;
  padding: .3rem .85rem;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.chip:hover { border-color: var(--persimmon); color: var(--persimmon); }
.chip:focus { outline: 2px solid var(--moss); outline-offset: 2px; }
.chip:active { transform: translateY(1px); }
.chip.is-on { background: var(--persimmon); border-color: var(--persimmon); color: var(--paper); }
.list-head { display: flex; justify-content: space-between; gap: 1rem; align-items: end; margin-bottom: 1rem; }
.list-head span, .tick, .seq, .clock { font-family: var(--mono); }
.row-card {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .95rem 1rem;
  margin-bottom: .7rem;
  background: #faf6f1;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.row-card:hover { border-color: var(--persimmon); box-shadow: var(--shadow); }
.row-card h3 { margin: .25rem 0; }
.row-card p { font-size: .92rem; }
.seq { font-size: 1.15rem; color: var(--persimmon); }
.tick { text-align: right; min-width: 5.5rem; }
.tick span { display: block; font-size: .78rem; }
.tick b { font-weight: 600; font-size: 1rem; }
.side-card {
  position: sticky;
  top: 96px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: 1rem 1rem .4rem;
}
.def-list { margin: .4rem 0 0; }
.def-list div { padding: .75rem 0; border-top: 1px solid var(--line); }
.def-list dt { font-weight: 700; }
.def-list dd { margin: .2rem 0 0; }
.split { grid-template-columns: .9fr 1.1fr; align-items: start; }
.ink .row-card { background: #261c19; border-color: rgba(243,235,227,.16); }
.ink a:hover { color: var(--apricot); }
.rhythm { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.rhythm li { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; padding: 0 0 1.1rem 1rem; position: relative; }
.rhythm li::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--persimmon);
  position: absolute;
  left: -5px;
  top: .45rem;
}
.clock { color: var(--moss); }
.step-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; }
.step-list li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  align-items: center;
  border: 1px solid rgba(243,235,227,.28);
  border-radius: var(--radius);
  padding: .9rem 1rem;
}
.step-list b { font-family: var(--mono); font-size: 1.3rem; color: var(--apricot); }
.more-strip, .closing {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  background: #faf6f1;
}
.closing { background: transparent; border-color: rgba(243,235,227,.2); }
.site-footer { background: var(--ink); color: var(--paper); padding: 3rem 0 1.4rem; }
.site-footer a { color: var(--paper); }
.site-footer a:hover { color: var(--persimmon); }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr; gap: 1.5rem; }
.foot-links { list-style: none; margin: .4rem 0 0; padding: 0; }
.foot-links li { padding: .28rem 0; border-top: 1px solid rgba(243,235,227,.14); }
.site-footer h3 { font-size: 1rem; margin-bottom: .45rem; }
.static-form p { font-weight: 700; margin-bottom: .35rem; }
.choices { display: flex; flex-wrap: wrap; gap: .55rem 1rem; margin-bottom: .7rem; }
.choices label { display: inline-flex; align-items: center; gap: .35rem; }
.static-form textarea {
  width: 100%;
  min-height: 88px;
  border-radius: var(--radius);
  border: 1px solid rgba(243,235,227,.28);
  background: #261c19;
  color: var(--paper);
  padding: .7rem .8rem;
  margin: .35rem 0 .8rem;
  resize: vertical;
}
.static-form textarea:focus, .choices input:focus { outline: 2px solid var(--moss); outline-offset: 2px; }
.fine { border-top: 1px solid rgba(243,235,227,.14); margin-top: 1.5rem; padding-top: 1rem; font-size: .85rem; color: rgba(243,235,227,.72); }
@media (min-width: 1024px) {
  .section { padding: 6rem 0; }
  body.page h1 { font-size: 3.5rem; }
}
@media (max-width: 1023px) {
  .chapter-grid, .catalog-layout, .split, .foot-grid { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .mega-panel { width: min(640px, calc(100vw - 32px)); }
}
@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; min-height: 0; padding: .75rem 0; }
  .primary-nav { order: 3; width: 100%; overflow-x: auto; padding-bottom: .2rem; }
  .mega { margin-left: 0; }
  .mega-panel { position: static; width: 100%; margin-top: .6rem; }
  .mega-grid { grid-template-columns: 1fr; }
  .list-head, .more-strip, .closing { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .container { width: min(1120px, calc(100% - 20px)); }
  .row-card { grid-template-columns: 2.6rem minmax(0, 1fr); }
  .tick { grid-column: 2; text-align: left; }
  .rhythm li, .step-list li { grid-template-columns: 1fr; gap: .2rem; }
  .geo i { width: 52px; height: 52px; }
}

/* roulang page: category2 */
:root {
 --ink: #1C1412;
 --paper: #F3EBE3;
 --persimmon: #C4493A;
 --persimmon-deep: #A33A2E;
 --apricot: #E8A87C;
 --moss: #3E6B5A;
 --line: rgba(28,20,18,.14);
 --paper-dim: rgba(243,235,227,.72);
 --shadow: 0 12px 28px rgba(28,20,18,.08);
 --radius: 18px;
 --mono: ui-monospace, "SFMono-Regular", "Noto Sans Mono", Menlo, Consolas, monospace;
 --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
/* roulang page: category2 */
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;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--persimmon); text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--moss);
 outline-offset: 2px;
}
button, input, textarea { font-family: inherit; color: inherit; }
p { margin: 0 0 .8rem; }
h1, h2, h3 { margin: 0 0 .7rem; text-align: left; line-height: 1.2; font-weight: 700; }
h1 { font-size: 1.875rem; }
h2 { font-size: 1.7rem; }
h3 { font-size: 1.15rem; }
.narrow { max-width: 34em; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 4rem 0; }
.paper { background: var(--paper); color: var(--ink); }
.paper-2 { background: #f7f1ea; color: var(--ink); }
.ink { background: var(--ink); color: var(--paper); }
.apricot { background: var(--apricot); color: var(--ink); }
.mossband { background: var(--moss); color: var(--paper); }
.badge {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: .15rem .7rem;
 background: var(--moss);
 color: var(--paper);
 font-size: .78rem;
 line-height: 1.6;
 border: 1px solid transparent;
 font-style: normal;
}
.badge.hot { background: var(--persimmon); }
.badge.soft { background: transparent; color: var(--ink); border-color: var(--line); }
.ink .badge.soft, .mossband .badge.soft { color: var(--paper); border-color: rgba(243,235,227,.28); }
.kicker { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .9rem; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 46px;
 padding: .65rem 1.15rem;
 border-radius: 999px;
 border: 1px solid var(--persimmon);
 background: var(--persimmon);
 color: var(--paper);
 text-decoration: none;
 box-shadow: none;
 transition: background .18s ease, transform .18s ease, border-color .18s ease, color .18s ease;
 cursor: pointer;
}
.btn:hover { background: var(--persimmon-deep); border-color: var(--persimmon-deep); color: var(--paper); text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn:focus { outline: 2px solid var(--moss); outline-offset: 2px; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: rgba(243,235,227,.94);
 border-bottom: 1px solid var(--line);
}
.header-inner {
 display: flex;
 align-items: center;
 gap: 1rem;
 min-height: 76px;
}
.logo {
 display: flex;
 flex-direction: column;
 line-height: 1.15;
 font-weight: 700;
 color: var(--ink);
 text-decoration: none;
 min-width: 8.5rem;
}
.logo span:first-child { font-size: .95rem; }
.logo span:last-child { font-size: .78rem; color: var(--persimmon); }
.logo:hover { text-decoration: none; color: var(--ink); }
.primary-nav { display: flex; align-items: center; gap: .2rem; flex: 1; }
.primary-nav a {
 position: relative;
 padding: .45rem .7rem;
 color: var(--ink);
 text-decoration: none;
 font-size: .95rem;
}
.primary-nav a:hover { color: var(--persimmon); text-decoration: none; }
.primary-nav a.active::after,
.primary-nav a:focus-visible::after {
 content: "";
 position: absolute;
 left: .7rem;
 right: .7rem;
 bottom: .15rem;
 height: 2px;
 background: var(--persimmon);
}
.mega { position: relative; margin-left: auto; }
.mega summary {
 list-style: none;
 cursor: pointer;
 border: 1px solid var(--line);
 background: var(--paper);
 color: var(--ink);
 border-radius: 999px;
 padding: .45rem .9rem;
 transition: border-color .18s ease, color .18s ease;
}
.mega summary::-webkit-details-marker { display: none; }
.mega summary:hover { border-color: var(--persimmon); color: var(--persimmon); }
.mega summary:focus { outline: 2px solid var(--moss); outline-offset: 2px; }
.mega-panel {
 display: none;
 position: absolute;
 right: 0;
 top: calc(100% + 10px);
 width: min(640px, calc(100vw - 32px));
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 1rem;
 z-index: 50;
}
.mega[open] .mega-panel, .mega:hover .mega-panel, .mega:focus-within .mega-panel { display: block; }
.mega-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; }
.entry-card {
 display: block;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: .85rem;
 background: #faf6f1;
 color: var(--ink);
 text-decoration: none;
 transition: border-color .18s ease, box-shadow .18s ease;
}
.entry-card:hover { border-color: var(--persimmon); box-shadow: var(--shadow); color: var(--ink); text-decoration: none; }
.entry-card strong { display: block; margin: .35rem 0; line-height: 1.35; }
.entry-card span { display: block; font-size: .85rem; line-height: 1.6; }
.latest { margin-top: .9rem; padding-top: .8rem; border-top: 1px solid var(--line); }
.latest p { margin: 0 0 .35rem; font-weight: 700; }
.latest ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .25rem; }
.latest a { color: var(--ink); }
.split-brow { display: grid; grid-template-columns: 1fr; min-height: 0; }
.brow-left, .brow-right { padding: 4rem 0; }
.brow-left { background: var(--ink); color: var(--paper); }
.brow-right { background: var(--apricot); color: var(--ink); }
.brow-pad { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.brow-right .brow-pad { display: flex; flex-direction: column; justify-content: flex-end; gap: 1rem; min-height: 100%; }
.wave {
 display: flex;
 align-items: flex-end;
 gap: 6px;
 height: 92px;
}
.wave i {
 display: block;
 width: 8px;
 border-radius: 999px;
 background: var(--persimmon);
}
.wave i:nth-child(3n) { background: var(--ink); height: 46%; }
.wave i:nth-child(3n+1) { height: 78%; }
.wave i:nth-child(3n+2) { height: 58%; background: #9c3b2e; }
.wave i:nth-child(4) { height: 92%; }
.wave i:nth-child(7) { height: 34%; }
.wave i:nth-child(10) { height: 70%; }
.mark-row { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); padding-top: .7rem; font-family: var(--mono); font-size: .82rem; }
.compare { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
.col-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; margin-bottom: .8rem; }
.col-head p { margin: 0; font-size: .92rem; }
.row-card, .point-list li, .miss li {
 display: grid;
 grid-template-columns: 4.2rem 1fr auto;
 gap: 1rem;
 align-items: center;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: .95rem 1rem;
 margin: 0 0 .7rem;
 background: rgba(255,255,255,.28);
 transition: border-color .18s ease, box-shadow .18s ease;
}
.row-card:hover, .point-list li:hover, .miss li:hover { border-color: var(--persimmon); box-shadow: var(--shadow); }
.ink .row-card, .mossband .miss li { background: rgba(243,235,227,.06); border-color: rgba(243,235,227,.18); }
.idx, .tick { font-family: var(--mono); }
.idx { color: var(--persimmon); font-size: 1rem; }
.ink .idx, .mossband .idx { color: var(--apricot); }
.tick { font-size: .85rem; color: var(--moss); white-space: nowrap; }
.ink .tick { color: var(--apricot); }
.row-card strong, .point-list strong { display: block; line-height: 1.35; }
.row-card p, .point-list p, .miss p { margin: .15rem 0 0; font-size: .92rem; }
.point-list, .miss, .scale-list { list-style: none; margin: 0; padding: 0; }
.point-list li { grid-template-columns: 4.2rem 1fr; background: #261c19; border-color: rgba(243,235,227,.16); }
.scale-list li { padding: .95rem 0; border-top: 1px solid var(--line); }
.scale-top { display: flex; justify-content: space-between; gap: .8rem; margin-bottom: .4rem; }
.scale-top b { font-family: var(--mono); font-weight: 500; }
.scale-track { height: 8px; border-radius: 999px; background: rgba(28,20,18,.16); overflow: hidden; }
.scale-track span { display: block; height: 100%; background: var(--persimmon); border-radius: inherit; }
.w28 { width: 28%; }
.w46 { width: 46%; }
.w64 { width: 64%; }
.w18 { width: 18%; }
.dim-grid { display: grid; grid-template-columns: 1fr; gap: .8rem; }
.dim-grid div {
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 1rem 1.05rem;
 background: rgba(255,255,255,.35);
 transition: border-color .18s ease, box-shadow .18s ease;
}
.dim-grid div:hover { border-color: var(--persimmon); box-shadow: var(--shadow); }
.dim-grid dt { font-weight: 700; margin-bottom: .35rem; }
.dim-grid dd { margin: 0; max-width: 34em; }
.miss li { grid-template-columns: 4.2rem 1fr; align-items: start; background: rgba(243,235,227,.08); }
.more-line { display: grid; gap: .8rem; }
.note-strip {
 border-top: 1px solid var(--line);
 margin-top: .4rem;
 padding-top: .8rem;
 display: grid;
 gap: .35rem;
}
.note-strip span { display: block; }
.cta-band { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.2rem; }
.site-footer { background: var(--ink); color: var(--paper); padding: 3rem 0 1.2rem; }
.site-footer a { color: var(--paper); }
.site-footer a:hover { color: var(--apricot); }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr; gap: 1.5rem; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links li { border-top: 1px solid rgba(243,235,227,.16); }
.foot-links a { display: block; padding: .45rem 0; }
.static-form { margin-top: .8rem; display: grid; gap: .45rem; }
.static-form p { margin: 0; font-weight: 700; }
.choices { display: flex; flex-wrap: wrap; gap: .7rem; }
.choices label { display: inline-flex; align-items: center; gap: .3rem; }
.static-form textarea {
 width: 100%;
 min-height: 84px;
 border-radius: 14px;
 border: 1px solid rgba(243,235,227,.28);
 background: #261c19;
 color: var(--paper);
 padding: .7rem .8rem;
 resize: vertical;
}
.static-form textarea:focus { outline: 2px solid var(--moss); border-color: var(--moss); }
.fine { margin-top: 1.4rem; padding-top: .8rem; border-top: 1px solid rgba(243,235,227,.16); font-size: .88rem; color: var(--paper-dim); }
@media (min-width: 1024px) {
 .section { padding: 6rem 0; }
 h1 { font-size: 3.5rem; }
 h2 { font-size: 2.15rem; }
 .brow-left, .brow-right { padding: 6rem 0; }
 .split-brow { grid-template-columns: 1.15fr .85fr; }
 .compare { grid-template-columns: 1fr 1fr; align-items: start; }
 .dim-grid { grid-template-columns: 1.15fr .85fr; }
 .dim-grid div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 1024px) {
 .foot-grid { grid-template-columns: 1fr 1fr; }
 .foot-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
 .header-inner { flex-wrap: wrap; padding: .7rem 0; min-height: 0; }
 .primary-nav { order: 3; width: 100%; overflow-x: auto; padding-bottom: .2rem; }
 .primary-nav a { white-space: nowrap; }
 .mega { margin-left: 0; }
 .mega-panel { position: static; width: 100%; margin-top: .6rem; }
 .mega-grid { grid-template-columns: 1fr; }
 .cta-band, .col-head, .scale-top { flex-direction: column; align-items: flex-start; }
 .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
 h1 { font-size: 1.7rem; }
 .row-card, .point-list li, .miss li { grid-template-columns: 3rem 1fr; gap: .7rem; }
 .tick { grid-column: 2; }
 .container, .brow-pad { width: min(1120px, calc(100% - 24px)); }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition: none !important; }
}