/* roulang page: index */
:root {
  --bg: #F3EEE6;
  --ink: #241C22;
  --muted: rgba(36, 28, 34, .72);
  --plum: #4C2A45;
  --sage: #C5D2C6;
  --sage-soft: #E4EBE4;
  --persimmon: #E07A3D;
  --persimmon-deep: #C4642F;
  --card: #FFFCF8;
  --line: rgba(36, 28, 34, .12);
  --shadow: 0 10px 28px rgba(36, 28, 34, .08);
  --cream: #F3EEE6;
  --radius-card: 12px;
  --radius-btn: 999px;
  --header: 4.5rem;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--bg);
  background-image: radial-gradient(rgba(36, 28, 34, .045) .7px, transparent .7px);
  background-size: 6px 6px;
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; border: 0; }
button, input, select { font-family: inherit; }
a { color: var(--ink); text-decoration-thickness: 1px; text-decoration-color: var(--plum); text-underline-offset: .22em; }
a:hover { color: var(--persimmon); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--persimmon);
  outline-offset: 3px;
}
h1, h2, h3, h4 {
  font-family: "Noto Serif SC", serif;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  margin: 0 0 .75rem;
}
p { margin: 0 0 1rem; }
.container { width: min(1120px, calc(100% - 2.5rem)); margin: 0 auto; }
.site-header {
  background: var(--plum);
  color: var(--cream);
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(243, 238, 230, .12);
}
.header-bar {
  min-height: var(--header);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: .7rem 0;
}
.brand { display: flex; flex-direction: column; text-decoration: none; color: var(--cream); min-width: 12rem; }
.brand:hover { color: #fff; }
.brand-name { font-family: "Noto Serif SC", serif; font-size: 1.05rem; letter-spacing: .02em; line-height: 1.3; }
.brand-sub { font-size: .68rem; letter-spacing: .18em; opacity: .72; margin-top: .1rem; }
.header-rest { display: flex; align-items: center; justify-content: flex-end; gap: 1rem; flex: 1; min-width: 0; }
.main-nav { display: flex; align-items: center; gap: .35rem 1.05rem; flex-wrap: nowrap; }
.main-nav a {
  color: rgba(243, 238, 230, .88);
  text-decoration: none;
  font-size: .95rem;
  padding: .35rem 0;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--persimmon); }
.main-nav a.is-active { color: #fff; box-shadow: inset 0 -2px 0 var(--persimmon); }
.loc { position: relative; flex: none; }
.loc-btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: transparent;
  color: var(--cream);
  border: 1px solid rgba(243, 238, 230, .35);
  border-radius: var(--radius-btn);
  padding: .28rem .35rem .28rem .75rem;
  cursor: pointer;
}
.loc-btn:hover { border-color: var(--persimmon); color: #fff; }
.loc-city { font-weight: 700; }
.loc-pin { width: 14px; height: 14px; display: block; }
.loc-cta {
  background: var(--persimmon);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: .28rem .7rem;
  font-size: .86rem;
}
.loc-btn:hover .loc-cta { background: var(--persimmon-deep); }
.loc-panel {
  position: absolute;
  right: 0;
  top: calc(100% + .55rem);
  width: min(460px, 78vw);
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: .9rem 1rem 1rem;
  z-index: 50;
}
.loc-panel[hidden] { display: none !important; }
.loc-note { font-size: .82rem; color: var(--muted); margin: 0 0 .7rem; }
.city-row, .city-head {
  display: grid;
  grid-template-columns: 1.1fr .9fr 1.3fr;
  gap: .5rem;
  align-items: center;
  padding: .45rem 0;
  border-top: 1px solid var(--line);
  background: transparent;
  width: 100%;
  text-align: left;
  color: var(--ink);
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  cursor: pointer;
  font-size: .92rem;
}
.city-head { cursor: default; font-size: .75rem; color: var(--muted); border-top: 0; padding-top: 0; }
.city-row:hover { color: var(--persimmon); }
main { display: block; }
.section { padding: 4.5rem 0; }
.section-card { background: var(--card); }
.section-sage { background: var(--sage-soft); }
.section-dark { background: var(--plum); color: var(--cream); }
.section-dark h2, .section-dark p { color: var(--cream); }
.kicker {
  display: inline-block;
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--plum);
  margin-bottom: .55rem;
}
.section-dark .kicker { color: var(--sage); }
.lead { max-width: 46rem; color: var(--muted); font-size: 1rem; }
.section-dark .lead { color: rgba(243, 238, 230, .82); }
.h1-line { display: inline; box-shadow: inset 0 -.18em 0 var(--plum); }
.subhead { font-size: 1.05rem; margin: .85rem 0 1rem; color: var(--plum); font-weight: 700; }
.hero { padding: 3.4rem 0 3.6rem; }
.hero-copy h1 { font-size: clamp(2rem, 4vw, 3.1rem); margin-bottom: .4rem; }
.point-list { list-style: none; margin: 0 0 1.2rem; padding: 0; }
.point-list li {
  position: relative;
  padding: .35rem 0 .35rem 1.3rem;
  border-bottom: 1px solid var(--line);
}
.point-list li::before {
  content: "";
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--persimmon);
  position: absolute;
  left: 0;
  top: .85rem;
}
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin: 1.1rem 0 .9rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: .45rem 1.25rem;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--persimmon); color: #FFFCF8; }
.btn-primary:hover { background: var(--persimmon-deep); color: #FFFCF8; }
.btn-ghost { background: transparent; color: var(--plum); border-color: var(--plum); }
.btn-ghost:hover { color: var(--persimmon); border-color: var(--persimmon); }
.btn-light { background: transparent; color: var(--cream); border-color: rgba(243, 238, 230, .5); }
.btn-light:hover { color: var(--persimmon); border-color: var(--persimmon); }
.trust {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: .4rem 0 0;
  padding: 0;
  list-style: none;
}
.trust li, .tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius-btn);
  padding: .12rem .65rem;
  font-size: .78rem;
  color: var(--plum);
}
.tag.is-on { border-color: var(--persimmon); color: var(--persimmon-deep); }
.rail {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  height: 100%;
}
.rail-label {
  font-family: "Noto Serif SC", serif;
  font-size: .95rem;
  margin: 0;
}
.rail-item {
  display: flex;
  gap: .75rem;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: .7rem;
}
.rail-item:hover { border-color: var(--plum); }
.ph {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cream);
  font-family: "Noto Serif SC", serif;
  font-size: 1.35rem;
  letter-spacing: .08em;
}
.ph-sm { width: 7.2rem; flex: none; font-size: 1rem; }
.ph-eu { background: #4C2A45; }
.ph-jk { background: #3E5346; }
.ph-cn { background: #6E5348; }
.ph-night { background: #2C2430; }
.rail-item h3 { font-size: 1rem; margin: 0 0 .25rem; }
.rail-item p { margin: 0; color: var(--muted); font-size: .88rem; }
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pain-item { padding: 1.2rem 1rem 1.2rem 0; border-right: 1px solid var(--line); }
.pain-item:last-child { border-right: 0; padding-right: 0; }
.num {
  font-family: "Noto Serif SC", serif;
  color: var(--plum);
  font-size: 1.35rem;
  display: block;
  margin-bottom: .35rem;
}
.pain-item h3, .step h3, .band h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.pain-item p, .step p, .band p { margin: 0; color: var(--muted); font-size: .92rem; }
.solution-side {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 1rem 1rem .4rem;
}
.track { display: flex; align-items: center; gap: .55rem; margin: 1.2rem 0 .4rem; }
.track-node {
  flex: none;
  border-radius: var(--radius-btn);
  padding: .28rem .7rem;
  background: var(--sage);
  color: var(--ink);
  font-size: .86rem;
}
.track-node.is-current { background: var(--persimmon); color: #fff; }
.track-line { flex: 1; height: 4px; background: var(--sage); position: relative; }
.track-line span { position: absolute; left: 0; top: 0; bottom: 0; width: 62%; background: var(--plum); }
.side-note { padding: .75rem 0; border-top: 1px solid var(--line); }
.side-note strong { display: block; font-family: "Noto Serif SC", serif; }
.side-note p { margin: .2rem 0 0; color: var(--muted); font-size: .9rem; }
.stairs { display: flex; flex-direction: column; gap: .75rem; }
.step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--plum);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}
.step:nth-child(1) { width: 58%; }
.step:nth-child(2) { width: 72%; }
.step:nth-child(3) { width: 86%; }
.step:nth-child(4) { width: 100%; border-left-color: var(--persimmon); }
.step .num { min-width: 2.2rem; }
.bands { display: flex; gap: .7rem; align-items: stretch; }
.band {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 1.1rem 1rem;
  min-height: 9.5rem;
}
.band-eu { flex: 5 1 0; }
.band-jk { flex: 3 1 0; background: #F7F3EE; }
.band-cn { flex: 2 1 0; background: var(--sage-soft); }
.band .count {
  font-family: "Noto Serif SC", serif;
  font-size: 2rem;
  color: var(--plum);
  line-height: 1;
  margin: .2rem 0 .45rem;
}
.stat-grid { margin-top: 1.4rem; }
.stat-item { padding: .4rem 0 0; }
.stat-num { font-family: "Noto Serif SC", serif; font-size: clamp(2rem, 4vw, 3rem); line-height: 1; color: #fff; }
.stat-label { font-size: .8rem; letter-spacing: .06em; color: var(--sage); margin-top: .35rem; }
.quote-list { display: flex; flex-direction: column; gap: 1rem; }
.quote {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem 1rem 3rem;
  position: relative;
}
.quote:nth-child(odd) { margin-right: 14%; }
.quote:nth-child(even) { margin-left: 12%; }
.quote::before {
  content: "“";
  font-family: "Noto Serif SC", serif;
  font-size: 3rem;
  color: var(--plum);
  position: absolute;
  left: .8rem;
  top: .1rem;
  line-height: 1;
}
.quote p { margin: 0 0 .55rem; }
.quote cite { font-style: normal; color: var(--plum); font-size: .9rem; }
.audience { border-top: 1px solid var(--line); }
.audience-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.audience-row strong { font-family: "Noto Serif SC", serif; font-size: 1.05rem; }
.audience-row span { color: var(--muted); }
.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--line);
}
.news-date { color: var(--plum); font-variant-numeric: tabular-nums; padding-top: .15rem; }
.news-title { font-weight: 700; text-decoration: underline; text-decoration-color: var(--plum); }
.news-item p { margin: .25rem 0 0; color: var(--muted); font-size: .92rem; }
.sheet { width: 100%; border-collapse: collapse; background: transparent; margin: 0; }
.sheet th, .sheet td {
  text-align: left;
  padding: .85rem .7rem;
  border-bottom: 1px solid rgba(36, 28, 34, .14);
  vertical-align: top;
  font-weight: 400;
}
.sheet th { font-size: .82rem; color: var(--plum); font-weight: 700; }
.scene-grid {
  display: grid;
  grid-template-columns: 1.45fr .9fr;
  grid-template-rows: 1fr 1fr;
  gap: .8rem;
}
.scene-main { grid-row: 1 / span 2; }
.scene {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.scene .ph { border-radius: 0; min-height: 9rem; }
.scene-body { padding: .9rem 1rem 1rem; }
.scene-body h3 { margin-bottom: .3rem; }
.scene-body p { margin: 0; color: var(--muted); font-size: .92rem; }
.path-table { width: 100%; border-collapse: collapse; }
.path-table td { padding: .9rem .4rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
.path-no { font-family: "Noto Serif SC", serif; color: var(--plum); width: 3rem; font-size: 1.2rem; }
.meter { height: 8px; background: var(--sage); border-radius: var(--radius-btn); margin: 1rem 0 .35rem; }
.meter > span { display: block; height: 100%; width: 50%; background: var(--persimmon); border-radius: inherit; }
.meter-label { font-size: .86rem; color: var(--muted); margin: 0; }
.compare { background: var(--card); border: 1px solid var(--line); }
.cat-col { border-top: 3px solid var(--plum); padding-top: 1rem; }
.cat-link {
  font-family: "Noto Serif SC", serif;
  font-size: 1.45rem;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--plum);
}
.cat-link:hover { color: var(--persimmon); }
.cat-sub { list-style: none; margin: .8rem 0 0; padding: 0; }
.cat-sub li {
  padding: .7rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.faq details { border-bottom: 1px solid var(--line); padding: .85rem 0; }
.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: "Noto Serif SC", serif; color: var(--plum); font-size: 1.3rem; }
.faq details[open] summary { color: var(--plum); }
.faq details[open] summary::after { content: "–"; color: var(--persimmon); }
.faq details p { margin: .7rem 0 .2rem; color: var(--muted); }
.cta-bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
}
.text-link { color: var(--ink); font-weight: 700; }
.site-footer { background: var(--plum); color: rgba(243, 238, 230, .86); padding: 2.6rem 0 1.4rem; }
.site-footer h2 { color: #fff; font-size: 1.15rem; }
.site-footer a { color: var(--cream); text-decoration-color: var(--sage); }
.site-footer a:hover { color: var(--persimmon); }
.foot-brand { font-family: "Noto Serif SC", serif; font-size: 1.15rem; color: #fff; margin: 0 0 .25rem; }
.foot-sub { letter-spacing: .16em; font-size: .75rem; opacity: .7; margin: 0 0 .7rem; }
.foot-list { list-style: none; margin: 0; padding: 0; }
.foot-list li { margin: .28rem 0; }
.copyright { margin: 1.4rem 0 0; font-size: .8rem; opacity: .7; }
@media (max-width: 1024px) {
  .step:nth-child(1), .step:nth-child(2), .step:nth-child(3) { width: 100%; }
  .quote:nth-child(odd), .quote:nth-child(even) { margin-left: 0; margin-right: 0; }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .pain-item { border-bottom: 1px solid var(--line); }
  .bands { flex-wrap: wrap; }
  .band-eu, .band-jk, .band-cn { flex: 1 1 100%; }
}
@media (max-width: 768px) {
  .header-bar { flex-wrap: wrap; align-items: flex-start; }
  .brand { flex: 1 0 100%; }
  .header-rest { width: 100%; flex-wrap: wrap; justify-content: flex-start; }
  .main-nav { width: 100%; overflow-x: auto; padding-bottom: .2rem; }
  .hero { padding-top: 2rem; }
  .section { padding: 3rem 0; }
  .scene-grid, .audience-row, .news-item, .cta-bar { grid-template-columns: 1fr; display: grid; }
  .cta-bar { align-items: flex-start; }
  .scene-main { grid-row: auto; }
  .ph-sm { width: 6rem; }
  .loc-panel { position: static; width: 100%; margin-top: .6rem; }
  .site-footer .grid-x > .cell { margin-bottom: 1.2rem; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 1.5rem); }
  .pain-grid { grid-template-columns: 1fr; }
  .pain-item { border-right: 0; }
  .main-nav { gap: .7rem; }
  .brand-name { font-size: .98rem; }
  .rail-item { align-items: flex-start; }
  .city-row, .city-head { grid-template-columns: 1fr; gap: .1rem; }
  .stat-num { font-size: 2rem; }
}

/* roulang page: category2 */
:root {
 --bg: #F3EEE6;
 --ink: #241C22;
 --muted: rgba(36, 28, 34, .72);
 --plum: #4C2A45;
 --sage: #C5D2C6;
 --sage-soft: #E4EBE4;
 --persimmon: #E07A3D;
 --persimmon-deep: #C4642F;
 --card: #FFFCF8;
 --line: rgba(36, 28, 34, .12);
 --shadow: 0 10px 28px rgba(36, 28, 34, .08);
 --cream: #F3EEE6;
 --radius-card: 12px;
 --radius-btn: 999px;
 --header: 4.5rem;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 background-color: var(--bg);
 background-image: radial-gradient(rgba(36, 28, 34, .045) .7px, transparent .7px);
 background-size: 6px 6px;
 color: var(--ink);
 font-family: "Noto Sans SC", "PingFang SC", sans-serif;
 font-size: 16px;
 line-height: 1.75;
}
img { max-width: 100%; display: block; border: 0; }
button, input, select { font-family: inherit; }
a { color: var(--ink); text-decoration-thickness: 1px; text-decoration-color: var(--plum); text-underline-offset: .22em; }
a:hover { color: var(--persimmon); }
a:focus-visible, button:focus-visible, summary:focus-visible {
 outline: 2px solid var(--persimmon);
 outline-offset: 3px;
}
h1, h2, h3 { font-family: "Noto Serif SC", serif; font-weight: 700; line-height: 1.35; color: var(--ink); margin: 0 0 .6rem; }
p { margin: 0 0 .8rem; }
.container { width: min(1120px, calc(100% - 2.5rem)); margin: 0 auto; }
.site-header {
 background: var(--plum);
 color: var(--cream);
 position: sticky;
 top: 0;
 z-index: 40;
 border-bottom: 1px solid rgba(243, 238, 230, .12);
}
.header-bar {
 min-height: var(--header);
 display: flex;
 align-items: center;
 gap: 1.25rem;
 padding: .7rem 0;
}
.brand { display: flex; flex-direction: column; text-decoration: none; color: var(--cream); min-width: 12rem; }
.brand:hover { color: #fff; }
.brand-name { font-family: "Noto Serif SC", serif; font-size: 1.05rem; letter-spacing: .02em; line-height: 1.3; }
.brand-sub { font-size: .68rem; letter-spacing: .18em; opacity: .72; margin-top: .1rem; }
.header-rest { display: flex; align-items: center; justify-content: flex-end; gap: 1rem; flex: 1; min-width: 0; }
.main-nav { display: flex; align-items: center; gap: .35rem 1.05rem; flex-wrap: nowrap; }
.main-nav a {
 color: rgba(243, 238, 230, .88);
 text-decoration: none;
 font-size: .95rem;
 padding: .35rem 0;
 white-space: nowrap;
}
.main-nav a:hover { color: var(--persimmon); }
.main-nav a.is-active { color: #fff; box-shadow: inset 0 -2px 0 var(--persimmon); }
.loc { position: relative; }
.loc-btn {
 display: inline-flex;
 align-items: center;
 gap: .45rem;
 background: transparent;
 color: var(--cream);
 border: 1px solid rgba(243, 238, 230, .35);
 border-radius: var(--radius-btn);
 padding: .28rem .35rem .28rem .75rem;
 cursor: pointer;
}
.loc-btn:hover { border-color: var(--persimmon); color: #fff; }
.loc-pin { width: 1rem; height: 1rem; display: block; }
.loc-cta {
 background: var(--persimmon);
 color: #fff;
 border-radius: var(--radius-btn);
 padding: .28rem .7rem;
 font-size: .86rem;
}
.loc-btn:hover .loc-cta { background: var(--persimmon-deep); }
.loc-panel {
 position: absolute;
 right: 0;
 top: calc(100% + .65rem);
 width: min(22rem, calc(100vw - 2rem));
 background: var(--card);
 color: var(--ink);
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 padding: .9rem 1rem 1rem;
 z-index: 50;
}
.loc-panel[hidden] { display: none !important; }
.loc-note { margin: 0 0 .6rem; color: var(--muted); font-size: .82rem; }
.city-head, .city-row {
 display: grid;
 grid-template-columns: 1.1fr .9fr 1.3fr;
 gap: .5rem;
 align-items: center;
 padding: .45rem 0;
 border-top: 1px solid var(--line);
 background: transparent;
 width: 100%;
 text-align: left;
 color: var(--ink);
 border-left: 0;
 border-right: 0;
 border-bottom: 0;
 font-size: .92rem;
}
.city-head { cursor: default; font-size: .78rem; letter-spacing: .08em; color: var(--plum); }
.city-row { cursor: pointer; }
.city-row:hover, .city-row:focus-visible { color: var(--persimmon); }
main { display: block; }
.section { padding: 4.5rem 0; }
.section-card { background: var(--card); }
.section-sage { background: var(--sage-soft); }
.lead { max-width: 46rem; color: var(--muted); font-size: 1rem; }
.kicker { margin: 0 0 .35rem; font-size: .78rem; letter-spacing: .16em; color: var(--plum); }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin: 1.1rem 0 0; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 2.7rem;
 padding: .45rem 1.25rem;
 border-radius: var(--radius-btn);
 border: 1px solid transparent;
 text-decoration: none;
 font-weight: 700;
 cursor: pointer;
 transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--persimmon); color: #FFFCF8; }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--persimmon-deep); color: #FFFCF8; }
.btn-primary:active { background: #A85326; color: #FFFCF8; }
.btn-ghost { background: transparent; color: var(--plum); border-color: var(--plum); }
.btn-ghost:hover, .btn-ghost:focus-visible { color: var(--persimmon); border-color: var(--persimmon); }
.cat-head { padding: 2rem 0 1.5rem; border-bottom: 1px solid var(--line); }
.cat-head h1 {
 display: inline-block;
 font-size: clamp(1.7rem, 3vw, 2.35rem);
 border-bottom: 2px solid var(--plum);
 padding-bottom: .28rem;
 margin-bottom: .85rem;
}
.cat-head .lead { margin: 0; }
.section h2 {
 font-size: clamp(1.35rem, 2.3vw, 1.75rem);
 padding-bottom: .45rem;
 border-bottom: 1px solid var(--line);
 margin-bottom: 1.15rem;
}
.col-title { font-size: 1.2rem; margin: 0 0 .2rem; border: 0; padding: 0; }
.ol-index { list-style: none; margin: 0; padding: 0; }
.ol-index li {
 display: grid;
 grid-template-columns: 3.2rem 1fr;
 gap: .35rem .8rem;
 padding: .95rem 0;
 border-bottom: 1px solid var(--line);
}
.ol-index .n {
 font-family: "Noto Serif SC", serif;
 color: var(--plum);
 font-size: 1.35rem;
 line-height: 1.2;
}
.ol-index strong { display: block; font-size: 1rem; }
.ol-index span { display: block; color: var(--muted); font-size: .92rem; }
.dense-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.dense-row {
 display: grid;
 grid-template-columns: minmax(0, 1fr) auto auto;
 gap: .75rem 1rem;
 align-items: center;
 padding: .9rem .15rem;
 border-bottom: 1px solid var(--line);
}
.dense-row:hover { background: rgba(197, 210, 198, .35); }
.row-title { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mark {
 display: inline-flex;
 align-items: center;
 border: 1px solid var(--line);
 background: var(--card);
 border-radius: var(--radius-btn);
 padding: .08rem .65rem;
 font-size: .78rem;
 color: var(--plum);
 white-space: nowrap;
}
.mark.is-cn { background: var(--sage); border-color: transparent; }
.dur { color: var(--muted); min-width: 5.6rem; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.more-line { margin: 1.1rem 0 0; }
.more { font-weight: 700; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--card); box-shadow: var(--shadow); }
.cmp { width: 100%; border-collapse: collapse; min-width: 36rem; margin: 0; }
.cmp th, .cmp td { padding: .85rem 1rem; text-align: left; border-bottom: 1px solid var(--line); font-weight: 400; }
.cmp thead th { background: var(--plum); color: var(--cream); font-weight: 700; font-size: .92rem; }
.cmp tbody th { font-weight: 700; color: var(--ink); }
.cmp tbody tr:hover { background: var(--sage-soft); }
.cmp tbody tr:last-child th, .cmp tbody tr:last-child td { border-bottom: 0; }
.section-scenes { padding-bottom: 0; }
.scene-banner {
 display: grid;
 grid-template-columns: 1.05fr .95fr;
 min-height: 16rem;
 background: var(--card);
 border-top: 1px solid var(--line);
}
.scene-banner.is-flip { grid-template-columns: .95fr 1.05fr; background: var(--sage-soft); border-bottom: 1px solid var(--line); }
.scene-banner.is-flip .ph { order: 2; }
.ph {
 background: var(--plum);
 color: var(--cream);
 display: flex;
 align-items: center;
 justify-content: center;
 min-height: 12rem;
 aspect-ratio: 16 / 9;
 font-family: "Noto Serif SC", serif;
 font-size: 2rem;
 letter-spacing: .12em;
}
.scene-banner.is-flip .ph { background: #3d2438; }
.scene-copy { padding: 2rem 6vw; display: flex; flex-direction: column; justify-content: center; }
.scene-copy h2 { border: 0; padding: 0; margin-bottom: .45rem; }
.scene-copy p { margin: 0; color: var(--muted); max-width: 36rem; }
.groove-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.groove {
 background: var(--sage);
 padding: 1.35rem 1.2rem 1.15rem;
 box-shadow: inset 0 10px 18px rgba(36, 28, 34, .07);
}
.groove strong {
 display: block;
 font-family: "Noto Serif SC", serif;
 font-size: clamp(2rem, 4vw, 2.7rem);
 color: var(--plum);
 line-height: 1;
 margin-bottom: .35rem;
}
.groove span { color: var(--ink); font-size: .9rem; }
.quote-thin { list-style: none; margin: 0; padding: 0; }
.quote-thin li {
 position: relative;
 border-top: 1px solid var(--line);
 padding: 1.15rem 0 1.15rem 1.7rem;
}
.quote-thin li:last-child { border-bottom: 1px solid var(--line); }
.quote-thin li::before {
 content: "“";
 position: absolute;
 left: 0;
 top: .55rem;
 font-family: "Noto Serif SC", serif;
 font-size: 1.8rem;
 color: var(--plum);
 line-height: 1;
}
.quote-thin q { quotes: none; font-size: 1.05rem; }
.quote-thin span { display: block; margin-top: .35rem; color: var(--muted); font-size: .88rem; }
.cta-band { background: var(--bg); border-top: 1px solid var(--line); }
.cta-band h2 { border-bottom: 0; padding-bottom: 0; }
.site-footer { background: var(--plum); color: var(--cream); padding: 3rem 0 1.4rem; }
.site-footer h2 { color: var(--cream); font-size: 1rem; border: 0; padding: 0; margin-bottom: .7rem; }
.site-footer p { color: rgba(243, 238, 230, .86); }
.site-footer a { color: var(--cream); text-decoration-color: var(--sage); }
.site-footer a:hover { color: var(--persimmon); }
.foot-brand { font-family: "Noto Serif SC", serif; font-size: 1.15rem; margin: 0 0 .2rem; color: var(--cream); }
.foot-sub { letter-spacing: .18em; font-size: .72rem; opacity: .72; margin: 0 0 .7rem; }
.foot-list { list-style: none; margin: 0; padding: 0; }
.foot-list li { padding: .18rem 0; }
.copyright { border-top: 1px solid rgba(243, 238, 230, .16); margin: 1.5rem 0 0; padding-top: 1rem; font-size: .85rem; }
@media (max-width: 1024px) {
 .header-bar { flex-wrap: wrap; align-items: flex-start; }
 .header-rest { width: 100%; flex-wrap: wrap; justify-content: space-between; }
 .main-nav { width: 100%; flex-wrap: wrap; order: 2; padding-top: .15rem; }
 .scene-copy { padding: 1.6rem 1.4rem; }
}
@media (max-width: 768px) {
 .section { padding: 3.2rem 0; }
 .groove-row { grid-template-columns: 1fr; }
 .scene-banner, .scene-banner.is-flip { grid-template-columns: 1fr; }
 .scene-banner.is-flip .ph { order: 0; }
 .brand { min-width: 0; }
 .loc-btn { margin-left: auto; }
}
@media (max-width: 520px) {
 .container { width: min(1120px, calc(100% - 1.4rem)); }
 .brand-name { font-size: .92rem; }
 .main-nav { gap: .2rem .85rem; }
 .main-nav a { font-size: .9rem; }
 .dense-row { gap: .45rem; }
 .dur { min-width: 4.4rem; font-size: .86rem; }
 .cat-head h1 { font-size: 1.55rem; }
 .ol-index { grid-template-columns: 2.4rem 1fr; }
 .ph { font-size: 1.5rem; }
}

/* roulang page: category1 */
:root {
  --bg: #F3EEE6;
  --ink: #241C22;
  --muted: rgba(36, 28, 34, .72);
  --plum: #4C2A45;
  --sage: #C5D2C6;
  --sage-soft: #E4EBE4;
  --persimmon: #E07A3D;
  --persimmon-deep: #C4642F;
  --card: #FFFCF8;
  --line: rgba(36, 28, 34, .12);
  --shadow: 0 10px 28px rgba(36, 28, 34, .08);
  --cream: #F3EEE6;
  --radius-card: 12px;
  --radius-btn: 999px;
  --header: 4.5rem;
}
/* roulang page: va */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--bg);
  background-image: radial-gradient(rgba(36, 28, 34, .045) .7px, transparent .7px);
  background-size: 6px 6px;
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; border: 0; }
button, input, select { font-family: inherit; }
a { color: var(--ink); text-decoration-thickness: 1px; text-decoration-color: var(--plum); text-underline-offset: .22em; }
a:hover { color: var(--persimmon); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--persimmon);
  outline-offset: 3px;
}
h1, h2, h3, .brand-name, .stat-num, .dur, .foot-brand, .ph {
  font-family: "Noto Serif SC", serif;
}
h1, h2, h3, p { margin-top: 0; }
h2 { font-size: 1.55rem; line-height: 1.35; margin-bottom: .8rem; font-weight: 700; }
h3 { font-size: 1.08rem; line-height: 1.45; margin-bottom: .35rem; font-weight: 700; }
.container { width: min(1120px, calc(100% - 2.5rem)); margin: 0 auto; }
[hidden] { display: none !important; }
.site-header {
  background: var(--plum);
  color: var(--cream);
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(243, 238, 230, .12);
}
.header-bar {
  min-height: var(--header);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: .7rem 0;
}
.brand { display: flex; flex-direction: column; text-decoration: none; color: var(--cream); min-width: 12rem; }
.brand:hover { color: #fff; }
.brand-name { font-size: 1.05rem; letter-spacing: .02em; line-height: 1.3; }
.brand-sub { font-size: .68rem; letter-spacing: .18em; opacity: .72; margin-top: .1rem; }
.header-rest { display: flex; align-items: center; justify-content: flex-end; gap: 1rem; flex: 1; min-width: 0; }
.main-nav { display: flex; align-items: center; gap: .35rem 1.05rem; flex-wrap: nowrap; }
.main-nav a {
  color: rgba(243, 238, 230, .88);
  text-decoration: none;
  font-size: .95rem;
  padding: .35rem 0;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--persimmon); }
.main-nav a.is-active { color: #fff; box-shadow: inset 0 -2px 0 var(--persimmon); }
.loc { position: relative; }
.loc-btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: transparent;
  color: var(--cream);
  border: 1px solid rgba(243, 238, 230, .35);
  border-radius: var(--radius-btn);
  padding: .28rem .35rem .28rem .75rem;
  cursor: pointer;
}
.loc-btn:hover { border-color: var(--persimmon); color: #fff; }
.loc-pin { width: 1rem; height: 1rem; display: block; }
.loc-cta {
  background: var(--persimmon);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: .28rem .7rem;
  font-size: .86rem;
}
.loc-btn:hover .loc-cta { background: var(--persimmon-deep); }
.loc-panel {
  position: absolute;
  right: 0;
  top: calc(100% + .55rem);
  width: min(24rem, 78vw);
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: .85rem 1rem 1rem;
  z-index: 50;
}
.loc-note { margin: 0 0 .45rem; color: var(--muted); font-size: .82rem; }
.city-row, .city-head {
  display: grid;
  grid-template-columns: 1.1fr .9fr 1.3fr;
  gap: .5rem;
  align-items: center;
  padding: .45rem 0;
  border-top: 1px solid var(--line);
  background: transparent;
  width: 100%;
  text-align: left;
  color: var(--ink);
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  cursor: pointer;
  font-size: .92rem;
}
.city-head { cursor: default; font-size: .75rem; color: var(--muted); letter-spacing: .06em; }
.city-row:hover { color: var(--persimmon); background: transparent; }
main { display: block; }
.section { padding: 4.5rem 0; }
.section-tight { padding: 1.6rem 0 1.8rem; }
.section-card { background: var(--card); }
.section-sage { background: var(--sage-soft); }
.section-dark { background: var(--plum); color: var(--cream); }
.section-dark h2, .section-dark p { color: var(--cream); }
.kicker { margin: 0 0 .45rem; color: var(--plum); font-size: .78rem; letter-spacing: .14em; }
.lead { max-width: 42rem; color: var(--muted); font-size: 1rem; margin-bottom: .35rem; }
.cat-head-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(16rem, .8fr);
  gap: 1.6rem;
  align-items: end;
}
.cat-copy h1 {
  display: inline-block;
  margin: 0 0 .7rem;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.25;
  border-bottom: 2px solid var(--plum);
  padding-bottom: .28rem;
}
.age-tag { margin-top: .7rem; }
.cat-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .55rem; }
.stat-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: .75rem .4rem .65rem;
  text-align: center;
}
.stat-num { display: block; color: var(--plum); font-size: 1.65rem; line-height: 1.1; }
.stat-label { display: block; margin-top: .2rem; color: var(--muted); font-size: .75rem; }
.filter-bar { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem 1.4rem; }
.filter-label { display: block; margin-bottom: .4rem; font-size: .78rem; letter-spacing: .12em; color: var(--plum); }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: var(--radius-btn);
  padding: .28rem .75rem;
  cursor: pointer;
  font-size: .88rem;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.chip:hover { border-color: var(--plum); color: var(--plum); }
.chip.is-on { border-color: var(--persimmon); color: var(--persimmon-deep); background: #fff; }
.entry-list { display: flex; flex-direction: column; gap: .85rem; }
.entry {
  display: grid;
  grid-template-columns: 196px minmax(0, 1fr) auto;
  gap: .9rem 1rem;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: .75rem;
}
.entry:hover { border-color: var(--plum); }
.ph {
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  display: grid;
  place-items: center;
  letter-spacing: .16em;
  font-size: 1.15rem;
  font-weight: 700;
}
.ph-a { background: #4C2A45; color: #F3EEE6; }
.ph-b { background: #3A2034; color: #F3EEE6; }
.ph-c { background: #C5D2C6; color: #241C22; }
.ph-d { background: #6A4560; color: #F3EEE6; }
.entry-body p { margin: 0; color: var(--muted); font-size: .92rem; }
.entry-body p + p { margin-top: .15rem; }
.entry-side { display: flex; flex-direction: column; align-items: flex-end; min-width: 4.6rem; gap: .15rem; }
.dur { font-size: 1.7rem; line-height: 1; color: var(--plum); }
.dur-unit { font-size: .75rem; color: var(--muted); }
.tag, .trust li {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius-btn);
  padding: .12rem .65rem;
  font-size: .78rem;
  color: var(--plum);
}
.tag.is-on { border-color: var(--persimmon); color: var(--persimmon-deep); }
.empty-note { margin: .8rem 0 0; color: var(--muted); }
.more-row { margin: 1.1rem 0 0; }
.more-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.4rem;
  padding: .3rem .2rem;
  font-weight: 700;
}
.timeline { margin: .4rem 0 0 .35rem; border-left: 2px solid var(--sage); }
.tl-item { position: relative; padding: 0 0 1.5rem 1.25rem; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  width: .7rem;
  height: .7rem;
  border-radius: 50%;
  background: var(--persimmon);
  position: absolute;
  left: calc(-.35rem - 1px);
  top: .45rem;
}
.tl-kicker { margin: 0 0 .2rem; color: var(--plum); font-size: .78rem; letter-spacing: .08em; }
.tl-item p { margin: 0; color: var(--muted); max-width: 40rem; }
.update-list { margin-top: .2rem; }
.update-row {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: .8rem 1.2rem;
  align-items: baseline;
  padding: .9rem 0;
  border-bottom: 1px solid var(--line);
}
.update-date { font-family: "Noto Serif SC", serif; color: var(--plum); }
.update-row p { margin: 0; }
.audience-row {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.audience-row strong { font-family: "Noto Serif SC", serif; font-size: 1.05rem; }
.audience-row span { color: var(--muted); }
.faq-list { max-width: 46rem; }
.faq-list details { border-bottom: 1px solid var(--line); padding: .85rem 0; }
.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "＋"; color: var(--plum); font-weight: 500; }
.faq-list details[open] summary::after { content: "－"; }
.faq-list summary:hover { color: var(--persimmon); }
.faq-list details p { margin: .55rem 0 0; color: var(--muted); }
.cta-band {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--plum);
  padding: 1.35rem 1.3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 1.5rem;
}
.cta-band h2 { margin-bottom: .3rem; }
.cta-band p { margin: 0; color: var(--muted); }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: .45rem 1.25rem;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--persimmon); color: #FFFCF8; }
.btn-primary:hover { background: var(--persimmon-deep); color: #FFFCF8; }
.btn-ghost { background: transparent; color: var(--plum); border-color: var(--plum); }
.btn-ghost:hover { color: var(--persimmon); border-color: var(--persimmon); }
.site-footer {
  background: var(--plum);
  color: rgba(243, 238, 230, .88);
  padding: 3rem 0 1.6rem;
}
.site-footer h2 { color: #fff; font-size: 1rem; margin-bottom: .7rem; }
.site-footer p { color: rgba(243, 238, 230, .82); font-size: .92rem; }
.site-footer a { color: var(--cream); text-decoration-color: var(--sage); }
.site-footer a:hover { color: var(--persimmon); }
.foot-brand { color: #fff; font-size: 1.15rem; margin-bottom: .15rem; }
.foot-sub { letter-spacing: .16em; font-size: .75rem; opacity: .75; }
.foot-list { list-style: none; margin: 0; padding: 0; }
.foot-list li { padding: .22rem 0; border-bottom: 1px solid rgba(243, 238, 230, .12); }
.copyright {
  margin: 1.6rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(243, 238, 230, .16);
  font-size: .82rem;
}
@media (max-width: 1024px) {
  .header-bar { flex-wrap: wrap; align-items: flex-start; }
  .header-rest { flex-basis: 100%; justify-content: space-between; }
  .main-nav { flex-wrap: wrap; row-gap: .15rem; }
  .cat-head-grid { grid-template-columns: 1fr; }
  .filter-bar { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 3rem 0; }
  .entry { grid-template-columns: 148px minmax(0, 1fr); }
  .entry-side { grid-column: 2; flex-direction: row; align-items: baseline; justify-content: flex-start; gap: .55rem; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .update-row, .audience-row { grid-template-columns: 1fr; gap: .2rem; }
  .site-footer .cell { margin-bottom: 1.2rem; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 1.4rem); }
  .brand { min-width: 0; }
  .brand-name { font-size: .92rem; }
  .section { padding: 2.5rem 0; }
  .header-rest { gap: .55rem; }
  .loc-btn { width: 100%; justify-content: space-between; }
  .loc-panel { position: static; width: 100%; margin-top: .45rem; }
  .entry { grid-template-columns: 1fr; }
  .entry-side { grid-column: 1; }
  .cat-stats { grid-template-columns: 1fr; }
  .stat-box { display: flex; justify-content: space-between; align-items: baseline; text-align: left; padding: .65rem .8rem; }
  .main-nav { width: 100%; gap: .2rem .85rem; }
}