/* roulang page: index */
:root {
  --ebony: #2A211C;
  --paper: #F7F1E8;
  --paper-2: #EFE6DA;
  --ivory: #FFF8F0;
  --mist: #8A7B6E;
  --pin: #3F6B4E;
  --cta: #D4652F;
  --cta-hover: #B84E22;
  --text: #1C1612;
  --muted: #5C5148;
  --line: rgba(42, 33, 28, .10);
  --shadow: 0 8px 24px rgba(42, 33, 28, .08);
  --shadow-hover: 0 12px 28px rgba(42, 33, 28, .12);
  --radius: 14px;
  --radius-sm: 8px;
  --space: 72px;
  --nav-h: 72px;
  --fs-body: 16px;
  --fs-small: 13px;
  --fs-h1: 40px;
  --fs-h2: 30px;
  --fs-h3: 18px;
  --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: var(--fs-body);
  line-height: 1.75;
  letter-spacing: 0;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
p { margin: 0 0 0.85em; }
h1, h2, h3 { font-family: "Noto Serif SC", "Songti SC", serif; color: var(--ebony); line-height: 1.3; font-weight: 700; margin: 0 0 0.45em; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
a { color: var(--ebony); text-decoration: none; transition: color 160ms ease; }
a:hover { color: var(--cta); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--pin);
  outline-offset: 2px;
}
.grid-container { max-width: var(--max); margin-left: auto; margin-right: auto; padding-left: 1.25rem; padding-right: 1.25rem; }
.band { padding: var(--space) 0; }
.band-paper { background: var(--paper); }
.band-alt { background: var(--paper-2); }
.band + .band { border-top: 1px solid rgba(138, 123, 110, .35); }
.lead { color: var(--muted); font-size: 16px; max-width: 46em; }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--pin); font-size: var(--fs-small); font-weight: 600; letter-spacing: .04em; margin-bottom: 8px; }
.kicker i { width: 8px; height: 8px; border-radius: 2px; background: var(--pin); display: inline-block; }
.section-head { margin-bottom: 28px; max-width: 46em; }
.section-head p:last-child { margin-bottom: 0; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: var(--ivory);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  line-height: 1.25;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--ebony);
  flex: 0 1 auto;
}
.logo small { display: block; font-family: "Noto Sans SC", "PingFang SC", sans-serif; font-size: 10px; font-weight: 500; color: var(--mist); letter-spacing: .08em; }
.logo:hover { color: var(--ebony); }
.main-nav { flex: 1 1 auto; }
.main-nav ul { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; align-items: center; }
.main-nav a {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  color: var(--ebony);
  font-weight: 500;
  font-size: 14px;
}
.main-nav a:hover { background: var(--paper-2); color: var(--cta); }
.main-nav a.is-active { background: rgba(63, 107, 78, .10); color: var(--pin); }
.cmd-search { position: relative; flex: 0 1 240px; }
.cmd-search input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 0 46px 0 12px;
  color: var(--text);
}
.cmd-search input::placeholder { color: var(--mist); }
.cmd-search input:focus { border-color: var(--pin); }
.kbd {
  position: absolute;
  right: 8px;
  top: 8px;
  height: 24px;
  min-width: 24px;
  padding: 0 6px;
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--mist);
  border: 1px solid var(--line);
  font-size: 12px;
  line-height: 22px;
  text-align: center;
  pointer-events: none;
}
.nav-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.icon-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ebony);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}
.icon-btn svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.menu-toggle { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
  text-decoration: none;
  line-height: 1;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: none; }
.btn-primary { background: var(--cta); color: #fff; }
.btn-primary:hover { background: var(--cta-hover); color: #fff; }
.btn-ghost { background: transparent; color: var(--ebony); border-color: var(--ebony); }
.btn-ghost:hover { color: var(--cta); border-color: var(--cta); background: transparent; }
.btn[disabled], .btn.is-disabled { opacity: .45; pointer-events: none; }

.badge {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--mist);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 600;
}
.card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  height: 100%;
}
.card:hover { box-shadow: var(--shadow-hover); }
.map-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 68% 38%, rgba(63,107,78,.9) 0 5px, transparent 6px),
    repeating-linear-gradient(0deg, transparent 0 22px, rgba(138,123,110,.35) 22px 23px),
    repeating-linear-gradient(90deg, transparent 0 28px, rgba(138,123,110,.28) 28px 29px),
    linear-gradient(160deg, #2A211C 0%, #4a3b32 46%, #EFE6DA 100%);
}

.board-copy h1 { margin-top: 4px; }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.metric {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 14px 12px;
}
.metric b { display: block; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 28px; line-height: 1.1; color: var(--ebony); }
.metric span { color: var(--muted); font-size: 13px; }
.compass { margin-top: 12px; height: 28px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: repeating-linear-gradient(90deg, transparent 0 18px, rgba(138,123,110,.55) 18px 19px); position: relative; overflow: hidden; }
.compass::after { content: ""; position: absolute; left: 62%; top: 6px; width: 8px; height: 8px; background: var(--pin); border-radius: 2px; }

.entry-card { display: flex; flex-direction: column; gap: 12px; min-height: 100%; }
.entry-card p { color: var(--muted); flex: 1; }
.matrix-main { min-height: 100%; }
.matrix-side { min-height: 100%; }
.mag-side { display: grid; gap: 16px; }
.point-list { list-style: none; margin: 12px 0 0; padding: 0; }
.point-list li { position: relative; padding-left: 16px; margin: 0 0 8px; color: var(--text); }
.point-list li::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--pin); position: absolute; left: 0; top: .65em; }

.compare-panel h3 { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.bar { height: 10px; background: rgba(138,123,110,.25); border-radius: var(--radius-sm); overflow: hidden; margin: 8px 0 12px; }
.bar span { display: block; height: 100%; background: var(--cta); border-radius: var(--radius-sm); }
.bar.alt span { background: var(--pin); }

.scene-stack { display: grid; gap: 12px; }
.scene-card { background: var(--ivory); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 0 18px; }
.scene-card + .scene-card { margin-left: 10px; }
.scene-card summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 12px; align-items: center; min-height: 64px; font-weight: 600; color: var(--ebony); }
.scene-card summary::-webkit-details-marker { display: none; }
.scene-card summary::after { content: "展开"; color: var(--mist); font-weight: 500; font-size: 13px; }
.scene-card[open] summary::after { content: "收起"; }
.scene-card .inner { padding: 0 0 16px; color: var(--muted); }

.timeline { list-style: none; margin: 0; padding: 0 0 0 8px; border-left: 1px solid rgba(138,123,110,.45); }
.timeline li { position: relative; padding: 0 0 22px 22px; }
.timeline li:last-child { padding-bottom: 0; }
.pin-dot { position: absolute; left: -13px; top: 6px; width: 12px; height: 12px; border-radius: 3px; background: var(--pin); box-shadow: 0 0 0 4px rgba(63,107,78,.15); }
.timeline time { color: var(--mist); font-size: 13px; }

.news-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.news-list li { display: grid; grid-template-columns: 92px 1fr; gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.news-list time { color: var(--mist); font-variant-numeric: tabular-nums; }
.news-list a { font-weight: 600; }
.more-row { margin: 18px 0 0; }

.h-scroll { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
.h-card { flex: 0 0 280px; scroll-snap-align: start; }
.h-card p { color: var(--muted); font-size: 14px; min-height: 3.2em; }

.assure-item h3 { font-size: 17px; }
.assure-item p { color: var(--muted); margin: 0; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.step { background: var(--ivory); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; min-height: 100%; }
.step em { display: block; font-style: normal; color: var(--pin); font-weight: 700; font-size: 13px; margin-bottom: 6px; }
.step p { color: var(--muted); margin: 0; }

.quick-item { border-left: 3px solid var(--pin); padding: 4px 0 4px 14px; }
.quick-item p { margin: 0; color: var(--text); }

.faq details { background: var(--ivory); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 0 16px; margin-bottom: 10px; }
.faq summary { cursor: pointer; min-height: 52px; display: flex; align-items: center; font-weight: 600; color: var(--ebony); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { color: var(--muted); margin-top: 0; }

.quote p { margin: 0 0 10px; }
.quote cite { color: var(--mist); font-style: normal; font-size: 13px; }

.form-card label { display: block; font-weight: 600; margin: 0 0 6px; color: var(--ebony); font-size: 14px; }
.form-card input, .form-card select, .form-card textarea {
  width: 100%;
  background: #fff;
  border: 1px solid rgba(138,123,110,.55);
  border-radius: var(--radius);
  color: var(--text);
  padding: 10px 12px;
  margin-bottom: 14px;
  box-shadow: none;
}
.form-card textarea { min-height: 110px; resize: vertical; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus { border-color: var(--pin); }
.form-note { color: var(--muted); font-size: 14px; }
.form-ok { display: none; background: rgba(63,107,78,.10); color: var(--pin); border-radius: var(--radius-sm); padding: 10px 12px; margin-bottom: 12px; }

.site-footer { background: var(--ebony); color: var(--ivory); padding: 48px 0 36px; }
.site-footer a { color: var(--ivory); }
.site-footer a:hover { color: #F0C2AE; }
.foot-logo { font-family: "Noto Serif SC", "Songti SC", serif; font-size: 18px; font-weight: 700; color: var(--ivory); }
.foot-logo small { display: block; font-family: "Noto Sans SC", "PingFang SC", sans-serif; font-size: 10px; color: rgba(255,248,240,.62); }
.foot-col h2 { color: var(--ivory); font-size: 16px; }
.foot-col ul { list-style: none; margin: 0; padding: 0; }
.foot-col li { margin: 6px 0; }
.age-note { color: rgba(255,248,240,.82); margin: 0 0 8px; }
.copy { color: rgba(255,248,240,.62); font-size: 13px; margin: 0; }
.search-pop { display: none; }

@media (max-width: 1023px) {
  :root { --space: 48px; --fs-h1: 34px; --fs-h2: 26px; }
  .cmd-search { flex-basis: 180px; }
  .nav-actions .btn-ghost { display: none; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .news-list li { grid-template-columns: 72px 1fr; }
  .metric b { font-size: 24px; }
}
@media (max-width: 639px) {
  :root { --space: 36px; --fs-h1: 30px; --fs-h2: 24px; }
  .site-nav { height: auto; min-height: var(--nav-h); }
  .nav-row { height: auto; min-height: var(--nav-h); flex-wrap: wrap; padding: 10px 0; }
  .logo { font-size: 16px; max-width: 46vw; }
  .menu-toggle, .search-toggle { display: inline-flex; }
  .main-nav { display: none; flex: 1 0 100%; order: 5; }
  .main-nav.is-open { display: block; padding-bottom: 8px; }
  .main-nav ul { flex-direction: column; align-items: stretch; }
  .main-nav a { height: 42px; }
  .cmd-search { display: none; flex: 1 0 100%; order: 4; }
  .cmd-search.is-open { display: block; margin: 4px 0 8px; }
  .nav-actions { margin-left: auto; }
  .nav-actions .btn-primary { height: 40px; padding: 0 10px; }
  .metric-grid, .steps { grid-template-columns: 1fr; }
  .scene-card + .scene-card { margin-left: 0; }
  .h-card { flex-basis: 82vw; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* roulang page: category2 */
:root {
 --ebony: #2A211C;
 --paper: #F7F1E8;
 --paper-2: #EFE6DA;
 --ivory: #FFF8F0;
 --mist: #8A7B6E;
 --pin: #3F6B4E;
 --cta: #D4652F;
 --cta-hover: #B84E22;
 --text: #1C1612;
 --muted: #5C5148;
 --line: rgba(42, 33, 28, .10);
 --shadow: 0 8px 24px rgba(42, 33, 28, .08);
 --shadow-hover: 0 12px 28px rgba(42, 33, 28, .12);
 --radius: 14px;
 --radius-sm: 8px;
 --space: 72px;
 --nav-h: 72px;
 --fs-body: 16px;
 --fs-small: 13px;
 --fs-h1: 40px;
 --fs-h2: 30px;
 --fs-h3: 18px;
 --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--paper);
 color: var(--text);
 font-family: "Noto Sans SC", "PingFang SC", sans-serif;
 font-size: var(--fs-body);
 line-height: 1.75;
 letter-spacing: 0;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
p { margin: 0 0 0.85em; }
h1, h2, h3 { margin: 0 0 0.45em; line-height: 1.3; font-weight: 700; color: var(--ebony); }
h1, h2 { font-family: "Noto Serif SC", "Songti SC", serif; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-family: "Noto Sans SC", "PingFang SC", sans-serif; font-size: var(--fs-h3); }
a { color: var(--ebony); text-decoration: none; transition: color 160ms ease, border-color 160ms ease, background 160ms ease; }
a:hover { color: var(--cta); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
 outline: 2px solid var(--pin);
 outline-offset: 2px;
}
.grid-container { max-width: var(--max); margin-left: auto; margin-right: auto; padding-left: 1.25rem; padding-right: 1.25rem; }
.lead { color: var(--muted); font-size: 16px; max-width: 40em; margin-bottom: 0; }
.section-head { margin-bottom: 28px; max-width: 46em; }
.section-head p:last-child { margin-bottom: 0; }
.band { padding: var(--space) 0; }
.band-paper { background: var(--paper); }
.band-alt { background: var(--paper-2); }
.band + .band { border-top: 1px solid rgba(138, 123, 110, .35); }
.site-nav {
 position: sticky;
 top: 0;
 z-index: 50;
 height: var(--nav-h);
 background: var(--ivory);
 border-bottom: 1px solid var(--line);
}
.nav-row {
 height: var(--nav-h);
 display: flex;
 align-items: center;
 gap: 16px;
}
.logo {
 display: flex;
 flex-direction: column;
 justify-content: center;
 min-width: 0;
 line-height: 1.25;
 font-family: "Noto Serif SC", "Songti SC", serif;
 font-size: 18px;
 font-weight: 700;
 color: var(--ebony);
 flex: 0 1 auto;
}
.logo small {
 display: block;
 font-family: "Noto Sans SC", "PingFang SC", sans-serif;
 font-size: 10px;
 font-weight: 500;
 color: var(--mist);
 letter-spacing: .08em;
}
.logo:hover { color: var(--ebony); }
.main-nav { flex: 1 1 auto; min-width: 0; }
.main-nav ul { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; align-items: center; }
.main-nav a {
 display: inline-flex;
 align-items: center;
 height: 36px;
 padding: 0 10px;
 border-radius: var(--radius-sm);
 color: var(--ebony);
 font-weight: 500;
 font-size: 14px;
 white-space: nowrap;
}
.main-nav a:hover { background: var(--paper-2); color: var(--cta); }
.main-nav a.is-active { background: rgba(63, 107, 78, .10); color: var(--pin); }
.cmd-search { position: relative; flex: 0 1 240px; }
.cmd-search input {
 width: 100%;
 height: 40px;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: var(--radius-sm);
 padding: 0 46px 0 12px;
 color: var(--text);
}
.cmd-search input::placeholder { color: var(--mist); }
.cmd-search input:focus { border-color: var(--pin); outline: none; box-shadow: 0 0 0 2px rgba(63, 107, 78, .18); }
.kbd {
 position: absolute;
 right: 8px;
 top: 50%;
 transform: translateY(-50%);
 height: 22px;
 min-width: 22px;
 padding: 0 6px;
 border-radius: var(--radius-sm);
 border: 1px solid var(--line);
 background: var(--paper);
 color: var(--mist);
 font-size: 12px;
 font-weight: 600;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 pointer-events: none;
}
.nav-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.icon-btn {
 display: none;
 width: 40px;
 height: 40px;
 border-radius: var(--radius-sm);
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ebony);
 align-items: center;
 justify-content: center;
 cursor: pointer;
 padding: 0;
 flex: 0 0 auto;
}
.icon-btn:hover { border-color: var(--mist); color: var(--cta); }
.icon-btn svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 height: 44px;
 padding: 0 16px;
 border-radius: var(--radius-sm);
 font-weight: 600;
 border: 1px solid transparent;
 cursor: pointer;
 transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
 text-decoration: none;
 line-height: 1;
 white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: none; }
.btn-primary { background: var(--cta); color: #fff; }
.btn-primary:hover { background: var(--cta-hover); color: #fff; }
.btn-ghost { background: transparent; color: var(--ebony); border-color: var(--ebony); }
.btn-ghost:hover { color: var(--cta); border-color: var(--cta); background: transparent; }
.btn[disabled], .btn.is-disabled { opacity: .45; pointer-events: none; }
.badge {
 display: inline-flex;
 align-items: center;
 height: 26px;
 padding: 0 8px;
 border-radius: var(--radius-sm);
 background: var(--paper);
 color: var(--mist);
 border: 1px solid var(--line);
 font-size: 12px;
 font-weight: 600;
}
.card {
 background: var(--ivory);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 20px;
 height: 100%;
 transition: box-shadow 160ms ease;
}
.card:hover { box-shadow: var(--shadow-hover); }
.map-shot {
 position: relative;
 aspect-ratio: 16 / 9;
 border-radius: var(--radius);
 overflow: hidden;
 background-color: #cbbba8;
 background-image:
  linear-gradient(rgba(42, 33, 28, .16) 1px, transparent 1px),
  linear-gradient(90deg, rgba(42, 33, 28, .16) 1px, transparent 1px),
  linear-gradient(155deg, #2A211C 0%, #6d5e52 38%, #EFE6DA 78%, #F7F1E8 100%);
 background-size: 28px 28px, 28px 28px, cover;
}
.map-shot::after {
 content: "";
 position: absolute;
 width: 10px;
 height: 10px;
 border-radius: 50%;
 background: var(--pin);
 box-shadow: 0 0 0 6px rgba(63, 107, 78, .28);
}
.pin-a::after { top: 32%; left: 58%; }
.pin-b::after { top: 46%; left: 34%; }
.pin-c::after { top: 28%; left: 42%; }
.pin-d::after { top: 58%; left: 62%; }
.pin-e::after { top: 40%; left: 48%; }
.pin-f::after { top: 36%; left: 70%; }
.scene-head { background: var(--paper-2); padding: 48px 0 40px; border-bottom: 1px solid var(--line); }
.scene-kicker { margin: 0 0 10px; color: var(--mist); font-size: var(--fs-small); font-weight: 600; }
.waypoint-panel {
 background: var(--ivory);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px 16px 12px;
}
.waypoint-label { margin: 0 0 8px; font-size: 13px; color: var(--mist); font-weight: 600; }
.waypoint-list { list-style: none; margin: 0; padding: 0; }
.waypoint-list li + li { border-top: 1px solid var(--line); }
.waypoint-list a {
 display: flex;
 align-items: center;
 gap: 10px;
 min-height: 40px;
 font-weight: 600;
}
.waypoint-list i {
 width: 8px;
 height: 8px;
 border-radius: 2px;
 background: var(--pin);
 flex: 0 0 auto;
}
.compass { display: flex; gap: 6px; align-items: flex-end; height: 18px; margin-top: 8px; }
.compass span { display: block; width: 100%; height: 1px; background: var(--mist); opacity: .55; }
.compass span:nth-child(odd) { height: 7px; width: 1px; flex: 0 0 1px; }
.banner-card {
 display: grid;
 grid-template-columns: 1.35fr .9fr;
 gap: 22px;
 align-items: center;
 margin-bottom: 16px;
}
.banner-card .map-shot { min-height: 220px; }
.tile-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 10px; }
.tile-body p { color: var(--muted); }
.text-link {
 display: inline-flex;
 align-items: center;
 min-height: 32px;
 font-weight: 600;
 border-bottom: 1px solid rgba(42, 33, 28, .22);
}
.text-link:hover { border-bottom-color: var(--cta); }
.def-board { display: flex; flex-direction: column; gap: 12px; }
.def-row {
 display: grid;
 grid-template-columns: 1fr 1fr 1.35fr;
 gap: 16px;
 background: var(--ivory);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px 18px;
}
.def-row:hover { box-shadow: var(--shadow-hover); }
.def-k { display: block; color: var(--mist); font-size: 12px; font-weight: 600; margin-bottom: 2px; }
.def-row strong { font-size: 17px; color: var(--ebony); }
.h-scroll {
 display: flex;
 gap: 14px;
 overflow-x: auto;
 padding: 4px 2px 12px;
 scroll-snap-type: x mandatory;
}
.h-card {
 flex: 0 0 280px;
 scroll-snap-align: start;
 background: var(--ivory);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 14px;
}
.h-card:hover { box-shadow: var(--shadow-hover); }
.h-card p { color: var(--muted); min-height: 3.2em; }
.log-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.log-list li {
 display: grid;
 grid-template-columns: 88px 1fr;
 gap: 16px;
 align-items: start;
 padding: 14px 0;
 border-bottom: 1px solid var(--line);
}
.log-list time { color: var(--mist); font-variant-numeric: tabular-nums; font-weight: 600; }
.log-list p { margin: 0; }
.pit-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.pit-list li {
 display: grid;
 grid-template-columns: 52px 1fr;
 gap: 14px;
 align-items: center;
 background: var(--ivory);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px 18px;
}
.pit-no {
 width: 36px;
 height: 36px;
 border-radius: var(--radius-sm);
 background: rgba(63, 107, 78, .12);
 color: var(--pin);
 display: inline-flex;
 align-items: center;
 justify-content: center;
 font-weight: 700;
}
.pit-list p { margin: 0; }
.demand {
 background: var(--ebony);
 color: #F6EFE6;
 padding: 36px 0;
}
.demand-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.demand h2 { color: #FFF8F0; margin: 0 0 6px; font-size: 28px; }
.demand p { margin: 0; color: #E7D9CC; max-width: 36em; }
.site-footer { background: var(--ebony); color: #F6EFE6; padding: 48px 0 40px; border-top: 1px solid rgba(255, 248, 240, .08); }
.site-footer a { color: #FFF8F0; }
.site-footer a:hover { color: #F0B59A; }
.foot-logo {
 font-family: "Noto Serif SC", "Songti SC", serif;
 font-size: 18px;
 font-weight: 700;
 line-height: 1.3;
 color: #FFF8F0;
}
.foot-logo small {
 display: block;
 font-family: "Noto Sans SC", "PingFang SC", sans-serif;
 font-size: 10px;
 font-weight: 500;
 color: #C9B8A8;
 letter-spacing: .08em;
}
.site-footer h2 {
 font-family: "Noto Sans SC", "PingFang SC", sans-serif;
 font-size: 14px;
 color: #FFF8F0;
 margin: 0 0 10px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li + li { margin-top: 6px; }
.age-note, .copy { color: #E7D9CC; font-size: 13px; margin: 0 0 8px; }
.foot-col { margin-bottom: 12px; }
@media (max-width: 1023px) {
 :root { --space: 48px; --fs-h1: 34px; --fs-h2: 26px; }
 .cmd-search { flex-basis: 160px; }
 .main-nav a { padding: 0 8px; font-size: 13px; }
 .logo { font-size: 16px; }
 .banner-card { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
 .nav-actions .btn-ghost { display: none; }
 .kbd { display: none; }
 .cmd-search input { padding-right: 12px; }
 .def-row { grid-template-columns: 1fr 1fr; }
 .def-row div:last-child { grid-column: 1 / -1; }
}
@media (max-width: 639px) {
 :root { --space: 36px; --fs-h1: 30px; --fs-h2: 24px; }
 .icon-btn { display: inline-flex; }
 .menu-toggle { display: inline-flex; }
 .cmd-search { display: none; }
 .cmd-search.is-open {
  display: block;
  position: absolute;
  left: 16px;
  right: 16px;
  top: calc(var(--nav-h) - 4px);
  width: auto;
  z-index: 60;
  background: var(--ivory);
  padding-bottom: 10px;
 }
 .main-nav {
  display: none;
  position: absolute;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--ivory);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 8px 16px 12px;
  z-index: 55;
 }
 .main-nav.is-open { display: block; }
 .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
 .main-nav a { height: 44px; }
 .logo { font-size: 14px; max-width: 8.2em; }
 .btn-primary { padding: 0 10px; font-size: 13px; height: 40px; }
 .banner-card, .def-row, .demand-row, .log-list li, .pit-list li { grid-template-columns: 1fr; }
 .scene-head { padding: 32px 0 28px; }
 .h-card { flex-basis: 78%; }
 .demand { text-align: left; }
 .demand .btn { margin-top: 14px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* roulang page: category1 */
:root {
  --ebony: #2A211C;
  --paper: #F7F1E8;
  --paper-2: #EFE6DA;
  --ivory: #FFF8F0;
  --mist: #8A7B6E;
  --pin: #3F6B4E;
  --cta: #D4652F;
  --cta-hover: #B84E22;
  --text: #1C1612;
  --muted: #5C5148;
  --line: rgba(42, 33, 28, .10);
  --shadow: 0 8px 24px rgba(42, 33, 28, .08);
  --shadow-hover: 0 12px 28px rgba(42, 33, 28, .12);
  --radius: 14px;
  --radius-sm: 8px;
  --space: 72px;
  --nav-h: 72px;
  --fs-body: 16px;
  --fs-small: 13px;
  --fs-h1: 40px;
  --fs-h2: 30px;
  --fs-h3: 18px;
  --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: var(--fs-body);
  line-height: 1.75;
  letter-spacing: 0;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
a { color: var(--ebony); text-decoration: none; transition: color 160ms ease; }
a:hover { color: var(--cta); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--pin);
  outline-offset: 2px;
}
h1, h2, h3, p, ul, ol { margin-top: 0; }
h1, h2 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  color: var(--ebony);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0;
}
h1 { font-size: var(--fs-h1); margin: 0 0 .35em; }
h2 { font-size: var(--fs-h2); margin: 0 0 .4em; }
h3 {
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: var(--fs-h3);
  line-height: 1.45;
  font-weight: 700;
  color: var(--ebony);
  margin: 0 0 .45em;
}
p { margin: 0 0 .85em; }
.grid-container { max-width: var(--max); margin-left: auto; margin-right: auto; padding-left: 1.25rem; padding-right: 1.25rem; }
.lead { color: var(--muted); font-size: 16px; max-width: 40em; margin-bottom: 0; }
.section-head { margin-bottom: 28px; max-width: 42em; }
.section-head p:last-child { margin-bottom: 0; }
.band { padding: var(--space) 0; }
.band-paper { background: var(--paper); }
.band-alt { background: var(--paper-2); }
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--nav-h);
  background: var(--ivory);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  min-height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  line-height: 1.25;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--ebony);
  flex: 0 1 auto;
}
.logo small {
  display: block;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 10px;
  font-weight: 500;
  color: var(--mist);
  letter-spacing: .08em;
}
.logo:hover { color: var(--ebony); }
.main-nav { flex: 1 1 auto; }
.main-nav ul { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; align-items: center; }
.main-nav a {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  color: var(--ebony);
  font-weight: 500;
  font-size: 14px;
}
.main-nav a:hover { background: var(--paper-2); color: var(--cta); }
.main-nav a.is-active { background: rgba(63, 107, 78, .10); color: var(--pin); }
.cmd-search { position: relative; flex: 0 1 240px; }
.cmd-search input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 0 52px 0 12px;
  color: var(--text);
}
.cmd-search input::placeholder { color: var(--mist); }
.cmd-search input:focus { border-color: var(--pin); outline: none; box-shadow: 0 0 0 2px rgba(63, 107, 78, .18); }
.kbd {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  height: 22px;
  padding: 0 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--mist);
  font-size: 11px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  pointer-events: none;
}
.nav-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.icon-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ebony);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}
.icon-btn svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.menu-toggle { display: none; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: none; }
.btn-primary { background: var(--cta); color: #fff; }
.btn-primary:hover { background: var(--cta-hover); color: #fff; }
.btn-ghost { background: transparent; color: var(--ebony); border-color: var(--ebony); }
.btn-ghost:hover { color: var(--cta); border-color: var(--cta); background: transparent; }
.btn[disabled], .btn.is-disabled { opacity: .45; pointer-events: none; }
.badge {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--mist);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 10px; }
.card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  height: 100%;
  transition: box-shadow 160ms ease;
}
.card:hover { box-shadow: var(--shadow-hover); }
.map-band {
  height: 84px;
  border-radius: var(--radius);
  margin: -4px -4px 14px;
  background:
    linear-gradient(180deg, rgba(247, 241, 232, .05), rgba(42, 33, 28, .28)),
    repeating-linear-gradient(0deg, transparent, transparent 11px, rgba(247, 241, 232, .22) 12px),
    repeating-linear-gradient(90deg, transparent, transparent 15px, rgba(42, 33, 28, .16) 16px),
    linear-gradient(145deg, #2A211C 0%, #5C5148 42%, #C4B6A6 100%);
  position: relative;
}
.map-band::after {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--pin);
  border-radius: 2px;
  position: absolute;
  left: 22%;
  top: 46%;
  box-shadow: 0 0 0 4px rgba(63, 107, 78, .25);
}
.cat-hero { padding-top: 48px; }
.eyebrow { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.filter-panel { padding: 16px 16px 14px; }
.filter-label {
  margin: 0 0 8px;
  color: var(--mist);
  font-size: 12px;
  font-weight: 700;
}
.filter-label + .chip-row { margin-bottom: 12px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ebony);
  font-size: 13px;
  font-weight: 600;
}
.chip:hover { color: var(--cta); border-color: rgba(212, 101, 47, .45); }
.chip.is-on { background: rgba(63, 107, 78, .10); color: var(--pin); border-color: rgba(63, 107, 78, .35); }
.compass {
  height: 22px;
  margin-top: 4px;
  border-radius: var(--radius-sm);
  background: repeating-linear-gradient(90deg, transparent, transparent 16px, rgba(138, 123, 110, .55) 16px, rgba(138, 123, 110, .55) 17px);
  position: relative;
}
.compass i {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--pin);
  border-radius: 2px;
  top: 7px;
  left: 38%;
}
.long-card[hidden] { display: none !important; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--cta);
}
.card-link:hover { color: var(--cta-hover); }
.empty-note {
  margin: 8px 0 0;
  color: var(--muted);
}
.quality-grid, .step-row {
  display: grid;
  gap: 16px;
}
.quality-grid { grid-template-columns: repeat(3, 1fr); }
.step-row { grid-template-columns: 1.2fr .9fr .9fr; }
.quality-item, .step-item { min-height: 100%; }
.quality-item strong, .step-item strong {
  display: block;
  color: var(--ebony);
  margin-bottom: 6px;
}
.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 26px;
  padding: 0 8px;
  margin-bottom: 10px;
  border-radius: var(--radius-sm);
  background: rgba(63, 107, 78, .10);
  color: var(--pin);
  font-weight: 700;
  font-size: 12px;
}
.timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 0;
  border-left: 1px solid rgba(138, 123, 110, .55);
  max-width: 760px;
}
.timeline li { position: relative; padding: 0 0 26px 22px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--pin);
  border-radius: 2px;
  position: absolute;
  left: -6px;
  top: 8px;
  box-shadow: 0 0 0 4px rgba(63, 107, 78, .12);
}
.timeline time { display: block; color: var(--mist); font-size: 13px; font-weight: 600; }
.related { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.related li { border-bottom: 1px solid var(--line); }
.related a {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 8px 16px;
  align-items: center;
  padding: 16px 0;
}
.related a:hover strong { color: var(--cta); }
.related strong { grid-column: 2; font-size: 17px; }
.related em { grid-column: 2; font-style: normal; color: var(--muted); font-size: 14px; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0 18px;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-height: 60px;
  font-weight: 650;
  color: var(--ebony);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "展开"; color: var(--mist); font-weight: 500; font-size: 13px; flex: 0 0 auto; }
.faq-item[open] summary::after { content: "收起"; }
.faq-item p { color: var(--muted); padding-bottom: 4px; }
.return-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
}
.return-bar h2 { margin-bottom: .25em; }
.return-bar p { margin: 0; color: var(--muted); }
.site-footer {
  background: var(--ebony);
  color: var(--ivory);
  padding: 48px 0 36px;
}
.site-footer a { color: var(--ivory); }
.site-footer a:hover { color: #F0C2AE; }
.foot-logo {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ivory);
}
.foot-logo small {
  display: block;
  margin-top: 4px;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: #C4B6A6;
  letter-spacing: .08em;
}
.site-footer h2 {
  color: var(--ivory);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0 0 8px; }
.age-note, .copy { color: #E7D9CC; font-size: 14px; }
.foot-col { margin-bottom: 12px; }
@media (max-width: 1023px) {
  :root { --space: 48px; --fs-h1: 34px; --fs-h2: 26px; }
  .menu-toggle, .search-toggle { display: inline-flex; }
  .nav-actions .btn-ghost { display: none; }
  .site-nav { height: auto; }
  .nav-row { flex-wrap: wrap; height: auto; padding: 12px 0; }
  .main-nav, .cmd-search { display: none; flex: 1 0 100%; order: 5; }
  .cmd-search { order: 4; margin-top: 8px; }
  .cmd-search.is-open, .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; padding: 8px 0 4px; }
  .main-nav a { height: 42px; }
  .step-row { grid-template-columns: 1fr; }
}
@media (max-width: 759px) {
  .quality-grid { grid-template-columns: 1fr; }
  .return-bar { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 639px) {
  :root { --space: 36px; --fs-h1: 30px; --fs-h2: 24px; }
  .logo { font-size: 15px; max-width: 9.2em; }
  .nav-actions .btn-primary { height: 40px; padding: 0 10px; font-size: 13px; }
  .related a { grid-template-columns: 1fr; }
  .related strong, .related em { grid-column: 1; }
  .cat-hero { padding-top: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
