/* roulang page: index */
:root {
  --copper: #C4784A;
  --copper-deep: #A35E34;
  --rose: #8E4A55;
  --ink: #1A1614;
  --ink-2: #241C18;
  --paper: #F6F1E8;
  --paper-2: #EFE6DA;
  --card: #FBF6EF;
  --text: #241C18;
  --muted: #6E625A;
  --line: #E4D9CC;
  --wave: #D9D2C8;
  --cream: #F6F1E8;
  --cream-dim: #E7DDD2;
  --radius-panel: 16px;
  --radius-card: 12px;
  --shadow: 0 10px 28px rgba(36, 28, 24, 0.08);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "PMingLiU", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: rgba(196, 120, 74, 0.28); color: var(--ink); }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(26, 22, 20, 0.18);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.site-header.is-solid {
  background: var(--ink);
  box-shadow: 0 8px 24px rgba(26, 22, 20, 0.18);
}
.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--cream); }
.logo-name {
  font-family: var(--serif);
  font-size: clamp(0.95rem, 2.2vw, 1.15rem);
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.logo-wave { width: 72px; height: 16px; flex: 0 0 auto; }
.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 1.35rem 0.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.2;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}
.btn-primary { background: var(--copper); color: var(--ink); font-weight: 650; }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--copper-deep); }
.btn-primary:active { transform: translateY(1px); }
.btn-wave {
  display: block;
  width: 46px;
  height: 5px;
  margin-top: 3px;
  background: radial-gradient(circle, currentColor 1.15px, transparent 1.25px) 0 50% / 8px 5px repeat-x;
  opacity: 0;
  transform: scaleX(0.45);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.btn-primary:hover .btn-wave, .btn-primary:focus-visible .btn-wave { opacity: 0.9; transform: scaleX(1); }
.btn-ghost { background: var(--paper); color: var(--text); border-color: var(--line); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--copper); }
.btn-ghost:active { transform: translateY(1px); }
.block { padding: 4.75rem 0; }
.block-dark { background: var(--ink); color: var(--cream); }
.block-paper { background: var(--paper); color: var(--text); }
.block-sand { background: var(--paper-2); color: var(--text); }
.block-dark h1, .block-dark h2, .block-dark h3 { color: var(--cream); }
.block-dark .sec-copy, .block-dark .lead, .block-dark .intro { color: var(--cream-dim); }
h1, h2, h3 { font-family: var(--serif); font-weight: 620; line-height: 1.35; letter-spacing: 0.01em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.5rem); }
h2 { font-size: clamp(1.55rem, 2.5vw, 2.05rem); margin-bottom: 0.85rem; }
h3 { font-size: 1.18rem; }
.sec-head { max-width: 44rem; margin-bottom: 1.75rem; }
.sec-index {
  margin-bottom: 0.35rem;
  color: var(--copper);
  font-family: var(--serif);
  letter-spacing: 0.14em;
  font-size: 0.86rem;
}
.sec-copy { color: var(--muted); margin-top: 0.35rem; }
.block-dark .sec-copy { color: var(--cream-dim); }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: rgba(142, 74, 85, 0.12);
  color: var(--rose);
  font-size: 0.82rem;
  line-height: 1;
}
.block-dark .tag { background: rgba(142, 74, 85, 0.28); color: #F0C9CE; }
.hero-top { max-width: 48rem; margin-bottom: 1.75rem; }
.kicker { color: var(--copper); font-family: var(--serif); margin-bottom: 0.6rem; }
.lead { margin: 0.9rem 0 0; font-size: 1.08rem; color: var(--cream); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.panel {
  background: #241C18;
  border: 1px solid #3A312C;
  border-radius: var(--radius-panel);
  padding: 1.25rem 1.3rem 1.35rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
}
.panel-after { border-color: rgba(196, 120, 74, 0.7); }
.panel h2 { font-size: 1.45rem; margin: 0.75rem 0 0.45rem; }
.panel p { color: var(--cream-dim); }
.wave { display: flex; align-items: flex-end; gap: 4px; height: 76px; margin-top: 1rem; }
.wave i { display: block; width: 4px; border-radius: 999px; background: var(--wave); }
.wave i:nth-child(3n) { background: var(--copper); }
.wave i:nth-child(1) { height: 22%; } .wave i:nth-child(2) { height: 48%; }
.wave i:nth-child(3) { height: 70%; } .wave i:nth-child(4) { height: 36%; }
.wave i:nth-child(5) { height: 88%; } .wave i:nth-child(6) { height: 54%; }
.wave i:nth-child(7) { height: 30%; } .wave i:nth-child(8) { height: 76%; }
.wave i:nth-child(9) { height: 42%; } .wave i:nth-child(10) { height: 64%; }
.wave i:nth-child(11) { height: 28%; } .wave i:nth-child(12) { height: 58%; }
.wave i:nth-child(13) { height: 80%; } .wave i:nth-child(14) { height: 34%; }
.ticks { display: flex; gap: 6px; margin-top: 0.8rem; }
.ticks span { flex: 1; height: 6px; border-radius: 999px; background: #3A312C; }
.ticks span:nth-child(3n) { background: var(--copper); }
.hero-bottom { display: flex; flex-wrap: wrap; gap: 1.25rem 2rem; align-items: flex-end; margin-top: 1.5rem; }
.intro { flex: 1 1 36rem; color: var(--cream-dim); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.track-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.track {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  padding: 1.2rem 1.2rem 1.1rem;
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.track:nth-child(1) { grid-column: span 7; }
.track:nth-child(2) { grid-column: span 5; }
.track:nth-child(3) { grid-column: span 4; }
.track:nth-child(4) { grid-column: span 8; }
.track:hover { border-color: var(--copper); transform: translateY(-2px); }
.track h3 { margin: 0.7rem 0 0.35rem; }
.track p { color: var(--muted); }
.mini-wave { height: 36px; }
.entry-grid { display: grid; grid-template-columns: 1.35fr 0.85fr; gap: 1rem; }
.entry {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.7rem;
  min-height: 210px;
  padding: 1.35rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.entry:hover { border-color: var(--copper); transform: translateY(-2px); }
.entry h3 { font-size: clamp(1.25rem, 2vw, 1.7rem); }
.entry p { color: var(--muted); }
.entry em { margin-top: auto; font-style: normal; color: var(--copper); font-family: var(--serif); }
.meters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem 1rem; }
.meter-top { display: flex; flex-direction: column; gap: 0.15rem; margin-bottom: 0.7rem; }
.meter-top strong { font-family: var(--serif); font-size: clamp(1.8rem, 3vw, 2.5rem); color: var(--cream); line-height: 1.1; font-weight: 620; }
.meter-top span, .meter-note { color: var(--cream-dim); font-size: 0.92rem; }
.meter { height: 10px; border-radius: 999px; background: #3A312C; overflow: hidden; }
.meter b { display: block; height: 100%; background: linear-gradient(90deg, #A35E34, var(--copper)); border-radius: inherit; }
.fill-a { width: 82%; } .fill-b { width: 56%; } .fill-c { width: 40%; } .fill-d { width: 100%; }
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; }
.steps li { border-top: 2px solid var(--copper); padding-top: 0.85rem; }
.steps b { display: block; font-family: var(--serif); font-size: 0.9rem; color: var(--copper); font-weight: 600; }
.steps h3 { margin: 0.35rem 0; font-size: 1.12rem; }
.steps p { color: var(--muted); }
.scene-stack { display: grid; gap: 0.9rem; }
.scene-link {
  display: block;
  padding: 1.15rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.scene-link:nth-child(1) { margin-right: 14%; }
.scene-link:nth-child(2) { margin-left: 8%; margin-right: 4%; }
.scene-link:nth-child(3) { margin-left: 18%; }
.scene-link:hover { border-color: var(--copper); transform: translateY(-2px); }
.scene-link h3 { margin-bottom: 0.25rem; }
.scene-link p { color: var(--muted); }
.masonry { columns: 3; column-gap: 1rem; }
.case-card {
  break-inside: avoid;
  display: block;
  margin: 0 0 1rem;
  padding: 1.1rem 1.15rem 1.15rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.case-card:nth-child(2), .case-card:nth-child(5) { padding-bottom: 2rem; }
.case-card:nth-child(3) { padding-bottom: 2.6rem; }
.case-card:hover { border-color: var(--copper); transform: translateY(-2px); }
.case-card h3 { margin: 0.55rem 0 0.3rem; }
.case-card p { color: var(--muted); }
.news-list { border-top: 1px solid var(--line); }
.news-list li { display: flex; gap: 1rem; align-items: center; border-bottom: 1px solid var(--line); min-height: 58px; padding: 0.35rem 0.4rem; transition: background 0.2s ease; }
.news-list li:hover { background: rgba(196, 120, 74, 0.08); }
.news-list time { flex: 0 0 6.2rem; color: var(--muted); }
.news-list a { flex: 1; min-height: 44px; display: flex; align-items: center; }
.news-list a:hover { color: var(--rose); }
.more-row { margin-top: 1rem; }
.more-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--rose); border-bottom: 1px solid transparent; }
.more-link:hover { border-bottom-color: var(--rose); }
.mark-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 1.25rem; align-items: stretch; }
.mark-big, .mark-side {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  padding: 1.3rem 1.35rem;
}
.mark-big { border-left: 4px solid var(--copper); }
.mark-big strong { display: block; font-family: var(--serif); font-size: clamp(2rem, 4vw, 3rem); line-height: 1.2; font-weight: 640; }
.mark-big span { display: block; margin-top: 0.4rem; color: var(--rose); font-family: var(--serif); font-size: 1.25rem; }
.pair { display: grid; gap: 0.75rem; }
.pair div { padding-bottom: 0.7rem; border-bottom: 1px solid var(--line); }
.pair dt { font-family: var(--serif); color: var(--copper); }
.pair dd { margin: 0.15rem 0 0; color: var(--muted); }
.partner-row { display: flex; flex-wrap: wrap; gap: 0.8rem 1.4rem; }
.partner-row li { min-height: 44px; display: flex; align-items: center; padding: 0 0.2rem 0.2rem; border-bottom: 1px solid var(--line); font-family: var(--serif); letter-spacing: 0.06em; }
.faq details {
  border-bottom: 1px solid var(--line);
  background: transparent;
}
.faq summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.q-mark { flex: 0 0 auto; width: 22px; height: 22px; border: 1px solid var(--copper); border-radius: 999px; position: relative; }
.q-mark::before, .q-mark::after { content: ""; position: absolute; background: var(--copper); left: 5px; right: 5px; top: 10px; height: 1px; }
.q-mark::after { transform: rotate(90deg); }
details[open] .q-mark::after { opacity: 0; }
.faq details p { color: var(--muted); padding: 0 0 1rem; max-width: 46rem; }
.promise-row { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 0.8rem; align-items: stretch; }
.promise-row article, .promise-copy {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--card);
  padding: 0.95rem 1rem;
}
.promise-row h3 { font-size: 1.05rem; margin-bottom: 0.2rem; }
.promise-row p { color: var(--muted); }
.rail-wrap { overflow: hidden; }
.rail { display: flex; gap: 0.9rem; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 0.4rem; }
.topic-card {
  flex: 0 0 270px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-height: 180px;
  padding: 1.1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.topic-card:hover { border-color: var(--copper); transform: translateY(-2px); }
.topic-card p { color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 1.5rem; align-items: start; }
.consult-form { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field-full { grid-column: 1 / -1; }
.field span { color: var(--cream-dim); }
.field input, .field textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid #4A403A;
  background: #241C18;
  color: var(--cream);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--copper); box-shadow: 0 0 0 3px rgba(196, 120, 74, 0.22); outline: none; }
.form-note { grid-column: 1 / -1; color: var(--cream-dim); }
.form-done { grid-column: 1 / -1; color: var(--copper); }
.form-done[hidden] { display: none; }
.site-footer { background: #120F0E; color: var(--cream-dim); padding: 2rem 0 2.4rem; }
.footer-bar { display: flex; justify-content: space-between; gap: 1.5rem; align-items: flex-start; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; }
.footer-nav a { min-height: 44px; display: inline-flex; align-items: center; }
.footer-nav a:hover { color: var(--rose); }
.age-line { margin-top: 0.8rem; color: var(--cream); }
.copy-line { margin-top: 0.25rem; }
@media (max-width: 1024px) {
  .track:nth-child(n) { grid-column: span 6; }
  .meters { grid-template-columns: 1fr 1fr; }
  .masonry { columns: 2; }
  .promise-row { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .block { padding: 3.2rem 0; }
  .compare, .entry-grid, .mark-layout, .steps { grid-template-columns: 1fr; }
  .scene-link:nth-child(n) { margin: 0; }
  .steps li { border-top: 0; border-left: 2px solid var(--copper); padding: 0.2rem 0 0.85rem 0.9rem; }
  .masonry { columns: 1; }
  .promise-row { grid-template-columns: 1fr; }
  .footer-bar { flex-direction: column; }
}
@media (max-width: 640px) {
  .container { width: min(1120px, calc(100% - 32px)); }
  .track:nth-child(n) { grid-column: span 12; }
  .meters, .consult-form { grid-template-columns: 1fr; }
  .news-list li { align-items: flex-start; flex-direction: column; gap: 0; padding: 0.55rem 0.2rem; }
  .logo-wave { width: 42px; }
}
@media (max-width: 520px) {
  .logo-name { font-size: 0.92rem; }
  .hero-actions, .hero-actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --copper: #C4784A;
  --copper-deep: #A35E34;
  --rose: #8E4A55;
  --ink: #1A1614;
  --ink-2: #241C18;
  --paper: #F6F1E8;
  --paper-2: #EFE6DA;
  --card: #FBF6EF;
  --text: #241C18;
  --muted: #6E625A;
  --line: #E4D9CC;
  --wave: #D9D2C8;
  --cream: #F6F1E8;
  --cream-dim: #E7DDD2;
  --radius-panel: 16px;
  --radius-card: 12px;
  --shadow: 0 10px 28px rgba(36, 28, 24, 0.08);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "PMingLiU", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
/* roulang page: category1 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(26, 22, 20, 0.18);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.site-header.is-solid {
  background: var(--ink);
  box-shadow: 0 8px 24px rgba(26, 22, 20, 0.18);
}
.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--cream); }
.logo-name {
  font-family: var(--serif);
  font-size: clamp(0.95rem, 2.2vw, 1.15rem);
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.logo-wave { width: 72px; height: 16px; flex: 0 0 auto; }
.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 1.35rem 0.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.2;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}
.btn-primary { background: var(--copper); color: var(--ink); font-weight: 650; }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--copper-deep); }
.btn-primary:active { transform: translateY(1px); }
.btn-wave {
  display: block;
  width: 46px;
  height: 5px;
  margin-top: 3px;
  background: radial-gradient(circle, currentColor 1.15px, transparent 1.25px) 0 50% / 8px 5px repeat-x;
  opacity: 0;
  transform: scaleX(0.45);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.btn-primary:hover .btn-wave, .btn-primary:focus-visible .btn-wave { opacity: 0.9; transform: scaleX(1); }
.btn-ghost { background: var(--paper); color: var(--text); border-color: var(--line); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--copper); }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: rgba(142, 74, 85, 0.12);
  color: var(--rose);
  font-size: 0.82rem;
  line-height: 1;
}
.block-dark .tag { background: rgba(142, 74, 85, 0.28); color: #F0C9CE; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.35; letter-spacing: 0.01em; }
h1 { margin: 0.55rem 0 0; font-size: clamp(1.7rem, 4vw, 2.55rem); }
h2 { margin: 0; font-size: clamp(1.35rem, 2.6vw, 1.85rem); }
h3 { margin: 0; font-size: 1.08rem; }
p { margin: 0; }
.sec-head { display: flex; justify-content: space-between; gap: 1.5rem; align-items: flex-end; margin-bottom: 1.35rem; }
.sec-head p, .muted { color: var(--muted); }
.section { padding: 4.4rem 0; }
.section-tight { padding: 1.6rem 0; }
.bg-paper { background: var(--paper); }
.bg-paper-2 { background: var(--paper-2); }
.bg-ink { background: var(--ink); color: var(--cream); }
.scale-hero {
  margin-top: -72px;
  padding: 6.2rem 0 2.4rem;
  background:
    linear-gradient(180deg, rgba(26,22,20,0.2), rgba(26,22,20,0)),
    var(--ink);
  color: var(--cream);
  border-bottom: 1px solid rgba(217, 210, 200, 0.18);
}
.scale-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.7fr);
  gap: 2rem;
  align-items: end;
}
.scale-hero .lead { margin-top: 0.85rem; max-width: 36rem; color: var(--cream-dim); }
.ruler {
  padding: 1rem 1rem 0.85rem;
  border: 1px solid rgba(228, 217, 204, 0.28);
  border-radius: var(--radius-panel);
  background: rgba(246, 241, 232, 0.04);
}
.ruler svg { width: 100%; height: 42px; }
.ticks {
  display: flex;
  justify-content: space-between;
  gap: 0.35rem;
  margin-top: 0.65rem;
  padding-top: 0.45rem;
  border-top: 1px solid rgba(217, 210, 200, 0.35);
}
.ticks span {
  font-family: var(--serif);
  font-size: 0.78rem;
  color: var(--wave);
  min-width: 2rem;
  text-align: center;
}
.ticks .hot { color: var(--copper); }
.track-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.track-list li { border-bottom: 1px solid var(--line); }
.track-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.9rem 1.1rem;
  align-items: center;
  min-height: 72px;
  padding: 0.7rem 0.35rem;
  transition: background 0.2s ease, color 0.2s ease;
}
.track-list a:hover { background: rgba(196, 120, 74, 0.08); }
.track-list a:hover .t-title { color: var(--rose); }
.idx {
  width: 2.4rem;
  font-family: var(--serif);
  color: var(--copper);
  font-size: 0.92rem;
}
.t-title { font-family: var(--serif); font-size: 1.12rem; }
.t-meta { display: flex; align-items: center; gap: 0.55rem; }
.t-meta em, .pill {
  font-style: normal;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 0.65rem;
  border-radius: 999px;
  background: rgba(196, 120, 74, 0.14);
  color: var(--copper-deep);
  font-size: 0.82rem;
}
.t-meta i {
  font-style: normal;
  color: var(--rose);
  font-size: 0.9rem;
  min-width: 4.5rem;
  text-align: right;
}
.more-row { margin-top: 1.15rem; display: flex; justify-content: flex-end; }
.text-more {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0 0.2rem;
  color: var(--ink-2);
  border-bottom: 1px solid var(--copper);
  font-family: var(--serif);
}
.text-more:hover { color: var(--rose); border-color: var(--rose); }
.mark-bar {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: center;
  padding: 1.15rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow);
}
.mark-bar strong { font-family: var(--serif); font-size: 1.35rem; color: var(--copper-deep); display: block; line-height: 1.2; }
.mark-bar p { color: var(--muted); }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
  margin-top: 0.4rem;
}
.steps::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 22px;
  height: 1px;
  background: var(--line);
}
.step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-height: 120px;
  padding: 0 0.8rem;
}
.step b {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--copper);
  color: var(--copper-deep);
  font-family: var(--serif);
  position: relative;
  z-index: 1;
}
.step span { font-family: var(--serif); font-size: 1.12rem; }
.step small { color: var(--muted); font-size: 0.92rem; }
.step:hover b { background: var(--copper); color: var(--ink); }
.reco-row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 1fr);
  gap: 0.9rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 0.4rem;
}
.topic-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 188px;
  padding: 1.15rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.topic-card:hover { border-color: var(--copper); transform: translateY(-2px); }
.topic-card p { color: var(--muted); }
.topic-card .go { margin-top: auto; color: var(--copper-deep); font-family: var(--serif); min-height: 44px; display: inline-flex; align-items: center; }
.faq details { border-bottom: 1px solid var(--line); background: transparent; }
.faq summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--copper); font-size: 1.2rem; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding: 0 0 1rem; max-width: 46rem; }
.cta-band { padding: 4.2rem 0; background: var(--ink); color: var(--cream); }
.cta-inner { display: flex; justify-content: space-between; gap: 1.5rem; align-items: center; }
.cta-inner p { color: var(--cream-dim); margin-top: 0.45rem; max-width: 36rem; }
.site-footer { background: var(--ink); color: var(--cream); padding: 2.4rem 0 2.6rem; border-top: 1px solid rgba(228, 217, 204, 0.14); }
.footer-bar { display: flex; justify-content: space-between; gap: 1.5rem; align-items: flex-end; flex-wrap: wrap; }
.age-line, .copy-line { color: var(--cream-dim); margin: 0.15rem 0 0; font-size: 0.92rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.35rem 1.2rem; }
.footer-nav a { min-height: 44px; display: inline-flex; align-items: center; color: var(--cream); }
.footer-nav a:hover { color: var(--copper); }
@media (max-width: 1024px) {
  .scale-hero-inner, .mark-bar, .cta-inner { grid-template-columns: 1fr; display: grid; }
  .cta-inner { align-items: start; }
}
@media (max-width: 768px) {
  .container { width: min(1120px, calc(100% - 28px)); }
  .section { padding: 3rem 0; }
  .sec-head { flex-direction: column; align-items: flex-start; }
  .steps { grid-template-columns: 1fr; gap: 0.8rem; }
  .steps::before { display: none; }
  .track-list a { grid-template-columns: auto minmax(0, 1fr); }
  .t-meta { grid-column: 2; justify-content: flex-start; }
  .logo-wave { width: 48px; }
  .mark-bar { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .logo-name { font-size: 0.84rem; }
  .scale-hero { padding-top: 5.6rem; }
  .ticks span { font-size: 0.7rem; }
}

/* roulang page: category2 */
:root {
  --copper: #C4784A;
  --copper-deep: #A35E34;
  --rose: #8E4A55;
  --ink: #1A1614;
  --ink-2: #241C18;
  --paper: #F6F1E8;
  --paper-2: #EFE6DA;
  --card: #FBF6EF;
  --text: #241C18;
  --muted: #6E625A;
  --line: #E4D9CC;
  --wave: #D9D2C8;
  --cream: #F6F1E8;
  --cream-dim: #E7DDD2;
  --radius-panel: 16px;
  --radius-card: 12px;
  --shadow: 0 10px 28px rgba(36, 28, 24, 0.08);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "PMingLiU", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
/* roulang page: category2 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(26, 22, 20, 0.18);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.site-header.is-solid {
  background: var(--ink);
  box-shadow: 0 8px 24px rgba(26, 22, 20, 0.18);
}
.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--cream); }
.logo-name {
  font-family: var(--serif);
  font-size: clamp(0.95rem, 2.2vw, 1.15rem);
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.logo-wave { width: 72px; height: 16px; flex: 0 0 auto; }
.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 1.35rem 0.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.2;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}
.btn-primary { background: var(--copper); color: var(--ink); font-weight: 650; }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--copper-deep); }
.btn-primary:active { transform: translateY(1px); }
.btn-wave {
  display: block;
  width: 46px;
  height: 5px;
  margin-top: 3px;
  background: radial-gradient(circle, currentColor 1.15px, transparent 1.25px) 0 50% / 8px 5px repeat-x;
  opacity: 0;
  transform: scaleX(0.45);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.btn-primary:hover .btn-wave, .btn-primary:focus-visible .btn-wave { opacity: 0.9; transform: scaleX(1); }
.btn-ghost { background: var(--paper); color: var(--text); border-color: var(--line); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--copper); }
.btn-ghost:active { transform: translateY(1px); }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: rgba(142, 74, 85, 0.12);
  color: var(--rose);
  font-size: 0.82rem;
  line-height: 1;
}
.block-dark .tag, .sec-ink .tag { background: rgba(142, 74, 85, 0.28); color: #F0C9CE; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.35; letter-spacing: 0.01em; }
h1 { font-size: clamp(1.85rem, 4vw, 2.7rem); margin: 0.45rem 0 0.7rem; }
h2 { font-size: clamp(1.45rem, 3vw, 2rem); margin: 0 0 0.8rem; }
h3 { font-size: 1.18rem; margin: 0.45rem 0 0.35rem; }
p { margin: 0 0 0.95rem; }
.sec { padding: 4.6rem 0; }
.sec-ink { background: var(--ink); color: var(--cream); }
.sec-paper { background: var(--paper); }
.sec-sand { background: var(--paper-2); }
.sec-note { color: var(--muted); max-width: 38rem; margin-bottom: 1.4rem; }
.sec-ink .sec-note, .sec-ink .lead { color: var(--cream-dim); }
.lead { margin: 0; font-size: 1.06rem; max-width: 36rem; }
.h1-zone { margin-top: -72px; padding-top: calc(72px + 3.4rem); padding-bottom: 3.6rem; }
.h1-layout {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) 120px;
  gap: 1.2rem 1.6rem;
  align-items: stretch;
}
.vrail { position: relative; }
.vrail span {
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(var(--copper), rgba(196, 120, 74, 0.15));
}
.vrail span::before, .vrail span::after {
  content: "";
  position: absolute;
  left: -4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--copper);
}
.vrail span::before { top: 0; }
.vrail span::after { bottom: 0; background: var(--rose); }
.h1-scale {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 180px;
  padding: 0.2rem 0;
}
.tick {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--cream-dim);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.tick i {
  display: block;
  height: 1px;
  background: var(--copper);
  width: 36px;
}
.tick:nth-child(2) i { width: 58px; }
.tick:nth-child(3) i { width: 22px; background: var(--wave); }
.tick:nth-child(4) i { width: 48px; }
.sec-head { max-width: 46rem; margin-bottom: 0.4rem; }
.dual-track {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 3rem;
  margin-top: 1.2rem;
}
.dual-track::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 1px;
  background: var(--line);
}
.scene-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.2rem 1rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.scene-card:hover { border-color: var(--copper); transform: translateY(-2px); }
.side-r { margin-top: 2.6rem; }
.scene-card p { color: var(--muted); margin-bottom: 0.35rem; }
.meta-line { display: flex; flex-wrap: wrap; gap: 0.45rem 0.8rem; color: var(--muted); font-size: 0.92rem; }
.entry-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 0.2rem;
  color: var(--copper-deep);
  font-family: var(--serif);
}
.entry-link:hover { color: var(--rose); }
.more-row { margin-top: 1.3rem; }
.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--copper);
  color: var(--ink-2);
  font-family: var(--serif);
}
.text-link:hover { color: var(--rose); border-color: var(--rose); }
.compare-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 1rem; }
.compare-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  padding: 1.25rem 1.3rem 1.1rem;
}
.compare-col ul { list-style: none; margin: 0; padding: 0; }
.compare-col li {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  color: var(--text);
}
.compare-col li span { color: var(--muted); font-size: 0.92rem; }
.bound-line {
  margin-top: 1.1rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  max-width: 46rem;
}
.cal-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.75rem; }
.cal-cell {
  min-height: 118px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 0.85rem 0.85rem 0.7rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.cal-cell:hover { border-color: var(--copper); transform: translateY(-2px); }
.cal-cell strong {
  display: block;
  font-family: var(--serif);
  color: var(--copper-deep);
  font-size: 1.05rem;
}
.cal-cell p { color: var(--muted); font-size: 0.92rem; margin: 0.35rem 0 0; }
.rec-scroller {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 0.5rem;
}
.rec-card {
  flex: 0 0 270px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 188px;
  padding: 1.1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.rec-card:hover { border-color: var(--copper); transform: translateY(-2px); }
.rec-card time { color: var(--muted); font-size: 0.88rem; }
.rec-card p { color: var(--muted); }
.late-list { border-top: 1px solid var(--line); }
.late-list li {
  display: grid;
  grid-template-columns: 7.2rem minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: center;
  min-height: 64px;
  border-bottom: 1px solid var(--line);
  padding: 0.35rem 0.2rem;
}
.late-list li:hover { background: rgba(196, 120, 74, 0.08); }
.late-list time, .late-list em { color: var(--muted); font-style: normal; }
.late-list a { min-height: 44px; display: flex; align-items: center; font-family: var(--serif); }
.late-list a:hover { color: var(--rose); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; width: 10px; height: 10px; border-right: 1.5px solid var(--copper); border-bottom: 1.5px solid var(--copper); transform: rotate(45deg); flex: 0 0 auto; }
.faq details[open] summary::after { transform: rotate(225deg); margin-top: 6px; }
.faq details p { color: var(--muted); padding: 0 0 1rem; max-width: 46rem; }
.cta-band { display: grid; grid-template-columns: 1.2fr auto; gap: 1.5rem; align-items: end; }
.cta-band .lead { margin-bottom: 0; }
.site-footer { background: var(--ink); color: var(--cream); padding: 2.6rem 0; }
.footer-bar { display: flex; justify-content: space-between; gap: 1.5rem; align-items: flex-end; }
.age-line, .copy-line { color: var(--cream-dim); margin: 0.2rem 0 0; font-size: 0.92rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; }
.footer-nav a { min-height: 44px; display: inline-flex; align-items: center; color: var(--cream); }
.footer-nav a:hover { color: var(--copper); }
@media (max-width: 1024px) {
  .cal-grid { grid-template-columns: repeat(3, 1fr); }
  .h1-layout { grid-template-columns: 28px minmax(0, 1fr); }
  .h1-scale { display: none; }
}
@media (max-width: 768px) {
  .sec { padding: 3.2rem 0; }
  .dual-track { grid-template-columns: 1fr; gap: 0.85rem; }
  .dual-track::before { left: 0; }
  .side-l, .side-r { margin: 0 0 0 1rem; }
  .compare-grid, .cta-band, .footer-bar { grid-template-columns: 1fr; display: grid; }
  .footer-bar { align-items: flex-start; }
  .late-list li { grid-template-columns: 1fr; gap: 0; padding: 0.7rem 0.2rem; }
  .cal-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .container { width: min(1120px, calc(100% - 28px)); }
  .logo-wave { display: none; }
  .cal-grid { grid-template-columns: 1fr 1fr; }
}