/* roulang page: index */
:root {
  --bg: #1A1614;
  --bg-elev: #26211C;
  --bg-alt: #211C18;
  --ink: #F4EFE8;
  --muted: #B7AFA6;
  --primary: #D4532E;
  --primary-deep: #B84322;
  --secondary: #C6B48A;
  --accent: #7FA58A;
  --caption: #0E0C0B;
  --line: rgba(244,239,232,.14);
  --shadow: 0 14px 36px rgba(0,0,0,.32);
  --radius: 16px;
  --input: 12px;
  --pad: 72px;
  --bs-body-color: #F4EFE8;
  --bs-body-bg: #1A1614;
  --bs-link-color: #F4EFE8;
  --bs-link-hover-color: #D4532E;
  --bs-primary: #D4532E;
  --bs-border-color: rgba(244,239,232,.14);
  --bs-secondary-color: #B7AFA6;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
button, input, select { font-family: inherit; font-size: inherit; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
.num, .timecode {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}
.site-header {
  min-height: 72px;
  background: rgba(26,22,20,.94);
  border-bottom: 1px solid var(--line);
  transition: background .2s ease;
}
.site-header.is-scrolled { background: #1A1614; }
.nav-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  color: var(--ink);
  flex: 0 1 auto;
}
.brand:hover { color: var(--ink); }
.logo-wave { flex: 0 0 24px; display: block; }
.brand-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0;
}
.nav-aside {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  order: 3;
}
.lang-pills {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: transparent;
}
.lang-pills button {
  min-width: 36px;
  min-height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
}
.lang-pills button[aria-pressed="true"] {
  background: var(--accent);
  color: #14201A;
}
.lang-pills button:active { transform: translateY(1px); }
.navbar-toggler {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: transparent;
  padding: 0;
}
.navbar-toggler:active { transform: translateY(1px); }
.navbar-toggler-icon {
  width: 18px;
  height: 2px;
  background: var(--ink);
  display: inline-block;
  position: relative;
  background-image: none;
}
.navbar-toggler-icon::before, .navbar-toggler-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink);
}
.navbar-toggler-icon::before { top: -6px; }
.navbar-toggler-icon::after { top: 6px; }
.main-nav { order: 2; }
.navbar-nav { gap: 4px; align-items: center; }
.navbar-nav .nav-link {
  color: var(--muted);
  font-size: 15px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 0;
  background: transparent;
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus { color: var(--ink); }
.navbar-nav .nav-link.active {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
  background: transparent;
}
.btn-brand, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-brand { background: var(--primary); color: #fff; }
.btn-brand:hover { background: var(--primary-deep); color: #fff; transform: translateY(-2px); }
.btn-brand:active { background: #A33B1E; color: #fff; transform: translateY(1px); }
.btn-brand:disabled { opacity: .65; transform: none; cursor: default; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { color: var(--ink); border-color: var(--secondary); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(1px); }
.mobile-cta { display: none; margin: 8px 0 12px; }
.section { padding: var(--pad) 0; position: relative; }
.section.base { background: var(--bg); }
.section.alt { background: var(--bg-alt); }
.section.elev { background: var(--bg-elev); }
.wave, .film-rail {
  height: 12px;
  border-radius: 999px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
}
.wave {
  background:
    linear-gradient(90deg, transparent 0 2%, var(--accent) 2% 6%, transparent 6% 10%, var(--accent) 10% 18%, transparent 18% 24%, var(--secondary) 24% 28%, transparent 28% 36%, var(--accent) 36% 48%, transparent 48% 58%, var(--accent) 58% 66%, transparent 66% 74%, var(--secondary) 74% 80%, transparent 80% 100%);
  background-size: 100% 3px;
  background-repeat: no-repeat;
  background-position: center;
  background-color: #201B17;
}
.film-rail {
  height: 14px;
  background:
    radial-gradient(circle at 10px 50%, var(--bg) 3px, transparent 3.4px) 0 0 / 22px 14px repeat-x,
    linear-gradient(90deg, var(--secondary), var(--secondary));
  opacity: .8;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: 28px;
  align-items: stretch;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--secondary);
  border-radius: 999px;
  color: var(--secondary);
  font-size: 13px;
  margin-bottom: 14px;
}
h1 { font-size: 46px; font-weight: 700; line-height: 1.25; letter-spacing: 0; }
h2 { font-size: 30px; font-weight: 700; line-height: 1.3; }
h3 { font-size: 21px; font-weight: 700; line-height: 1.4; }
.subhead { margin-top: 10px; font-size: 16px; line-height: 1.8; max-width: 38em; }
.lead { margin-top: .9em; color: var(--muted); max-width: 38em; font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.metrics { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: 1fr 1fr; gap: 12px; }
.metric {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
  min-height: 124px;
}
.metric.big { grid-row: 1 / span 2; display: flex; flex-direction: column; justify-content: space-between; min-height: 260px; }
.metric .k { color: var(--muted); font-size: 13px; }
.metric .num { display: block; margin: 8px 0 6px; font-size: 40px; line-height: 1; color: var(--ink); font-weight: 700; }
.metric.big .num { font-size: 64px; color: var(--primary); }
.metric .note { color: var(--muted); font-size: 13px; line-height: 1.7; }
.sec-head { margin-bottom: 26px; max-width: 46em; }
.sec-head h2 { max-width: 14em; }
.scale { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; position: relative; }
.scale::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--secondary), var(--accent));
}
.scale-col {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px 16px;
  box-shadow: var(--shadow);
  position: relative;
}
.scale-col:hover { transform: translateY(-3px); transition: transform .18s ease; }
.tick {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  margin-bottom: 14px;
}
.scale-col p { color: var(--muted); margin-top: 8px; font-size: 15px; }
.bento { display: grid; grid-template-columns: 1.15fr 1fr 1fr; grid-auto-rows: 168px; gap: 14px; }
.cell {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .18s ease;
}
.cell:hover { transform: translateY(-3px); }
.cell.tall { grid-row: span 2; background: linear-gradient(180deg, #2C241E 0%, var(--bg-elev) 42%); }
.cell.wide { grid-column: span 2; }
.cell p { color: var(--muted); margin-top: 8px; font-size: 15px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--secondary);
  color: var(--secondary);
  font-size: 12px;
  line-height: 1;
}
.chip.play { border-color: var(--accent); color: var(--accent); }
.scene-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 1fr);
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 6px;
  scroll-snap-type: x mandatory;
}
.scene {
  scroll-snap-align: start;
  min-height: 210px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform .18s ease;
}
.scene:hover { transform: translateY(-3px); color: var(--ink); }
.scene p { color: var(--muted); margin-top: 8px; font-size: 15px; }
.scene-index { color: var(--accent); font-size: 13px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.bar {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.bar-top { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.bar-track { height: 10px; border-radius: 999px; background: #14110F; border: 1px solid var(--line); margin: 14px 0; overflow: hidden; }
.bar-fill { display: block; height: 100%; border-radius: inherit; background: var(--primary); }
.bar.weak .bar-fill { width: 41%; background: #6E6258; }
.bar.strong .bar-fill { width: 92%; }
.bar p { color: var(--muted); font-size: 15px; }
.mile { position: relative; margin-left: 8px; display: grid; gap: 0; }
.mile::before {
  content: "";
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--accent);
}
.mile-item { position: relative; padding: 0 0 22px 36px; }
.mile-item:last-child { padding-bottom: 0; }
.mile-item::before {
  content: "";
  position: absolute;
  left: 1px; top: 8px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
}
.mile-item h3 { font-size: 20px; }
.mile-item p { color: var(--muted); margin-top: 4px; max-width: 38em; }
.entry-grid { display: grid; grid-template-columns: 1.35fr .8fr; gap: 16px; align-items: stretch; }
.entry-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 100%;
  color: var(--ink);
  transition: transform .18s ease;
}
.entry-card:hover { transform: translateY(-3px); color: var(--ink); }
.entry-card .pad { padding: 16px 16px 18px; }
.entry-card p { color: var(--muted); margin-top: 8px; }
.entry-card.side { align-self: end; }
.still { position: relative; background: #201B17; }
.still img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.capbar {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 32px;
  background: var(--caption);
  color: var(--ink);
  display: flex; align-items: center;
  padding: 0 12px;
  font-size: 13px;
}
.news-grid { display: grid; grid-template-columns: 1.3fr .9fr; gap: 16px; }
.news-feature, .time-list {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.news-feature .pad, .time-row { padding: 14px 16px; }
.news-feature p, .time-row p { color: var(--muted); margin-top: 6px; font-size: 15px; }
.time-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 10px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  transition: background .18s ease;
}
.time-row:first-child { border-top: 0; }
.time-row:hover { background: #2C261F; color: var(--ink); }
.timecode { color: var(--accent); font-size: 13px; padding-top: 4px; }
.more-row { margin-top: 16px; }
.link-more {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--primary);
  font-weight: 700;
}
.link-more:hover { color: #F0A48A; }
.assure-list { display: grid; gap: 14px; }
.assure-item {
  max-width: 680px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
}
.assure-item:nth-child(even) { margin-left: 10%; }
.assure-item p { color: var(--muted); margin-top: 6px; }
.rail-mini { height: 8px; border-radius: 999px; margin-bottom: 10px; background: linear-gradient(90deg, var(--accent), transparent 70%); }
.device-grid { display: grid; grid-template-columns: 1.25fr .9fr .78fr; gap: 16px; align-items: start; }
.device { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.device:nth-child(2) { margin-top: 28px; }
.device:nth-child(3) { margin-top: 52px; }
.screen {
  border-radius: 12px;
  background: #14110F;
  border: 1px solid var(--line);
  min-height: 120px;
  position: relative;
  overflow: hidden;
  margin-bottom: 12px;
}
.screen span {
  position: absolute; left: 0; right: 0; bottom: 0; height: 32px;
  background: var(--caption); color: var(--ink); font-size: 13px;
  display: flex; align-items: center; padding: 0 10px;
}
.screen i {
  display: block; height: 8px; margin: 18px 12px 0; border-radius: 4px; background: #3A312A;
}
.screen i:nth-child(2) { width: 72%; background: #314039; }
.device p { color: var(--muted); font-size: 15px; }
.quote-rail { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
.quote {
  flex: 0 0 250px;
  scroll-snap-align: start;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  min-height: 96px;
  padding: 16px;
  box-shadow: var(--shadow);
  font-size: 16px;
}
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.qa {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
}
.qa p { color: var(--muted); margin-top: 6px; font-size: 15px; }
.term-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 12px; }
.term {
  display: block;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  color: var(--ink);
  min-height: 148px;
  transition: transform .18s ease;
}
.term:hover { transform: translateY(-3px); color: var(--ink); }
.term:first-child { grid-row: span 2; }
.term p { color: var(--muted); margin-top: 8px; font-size: 15px; }
.faq-list { display: grid; gap: 10px; max-width: 860px; }
.faq-item {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 16px;
}
.faq-item summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; margin-left: auto; color: var(--accent); font-weight: 700; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); padding: 0 0 14px; max-width: 38em; }
.faq-section { border-top: 1px solid var(--line); }
.convert {
  background:
    radial-gradient(circle at 12px 12px, transparent 4px, rgba(198,180,138,.35) 4.5px) 0 0 / 22px 22px repeat-x,
    var(--bg-elev);
  background-size: auto, auto;
  background-repeat: repeat-x, no-repeat;
}
.convert-panel {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 12px; align-items: end; margin-top: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--muted); }
.field input, .field select {
  min-height: 44px;
  border-radius: var(--input);
  border: 1px solid var(--line);
  background: var(--caption);
  color: var(--ink);
  padding: 0 12px;
}
.field select { appearance: none; }
.field input.is-error, .field select.is-error { border-color: var(--primary); }
.field-error { color: var(--primary); font-size: 13px; min-height: 1.2em; line-height: 1.4; }
.form-ok {
  margin-top: 14px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 12px 14px;
  background: rgba(127,165,138,.12);
}
.site-footer { background: #14110F; border-top: 1px solid var(--line); padding: 36px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr .8fr; gap: 20px; }
.foot-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; min-height: 44px; }
.foot-links { display: flex; flex-direction: column; gap: 4px; }
.foot-links a { color: var(--muted); min-height: 36px; display: inline-flex; align-items: center; }
.foot-links a:hover { color: var(--secondary); }
.fine { color: var(--muted); font-size: 13px; margin-top: 8px; max-width: 38em; }
.copy { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
@media (max-width: 1199.98px) {
  :root { --pad: 48px; }
  h1 { font-size: 40px; }
  h2 { font-size: 28px; }
  .bento { grid-template-columns: 1.15fr 1fr; grid-auto-rows: auto; }
  .cell { min-height: 168px; }
  .cell.wide { grid-column: span 2; }
}
@media (max-width: 991.98px) {
  .hero-grid, .news-grid, .entry-grid, .device-grid, .form-grid, .foot-grid { grid-template-columns: 1fr; }
  .main-nav { flex-basis: 100%; }
  .mobile-cta { display: flex; width: 100%; }
  .nav-desktop-cta { display: none; }
  .device:nth-child(2), .device:nth-child(3) { margin-top: 0; }
  .form-grid .btn-brand { width: 100%; }
}
@media (max-width: 767.98px) {
  :root { --pad: 36px; }
  body { font-size: 16px; }
  h1 { font-size: 34px; }
  h2 { font-size: 26px; }
  .brand-name { font-size: 13px; max-width: 11em; }
  .metrics, .quick-grid, .compare, .scale, .term-grid { grid-template-columns: 1fr 1fr; }
  .metric.big { grid-row: auto; min-height: 148px; }
  .metric.big .num { font-size: 46px; }
  .bento, .scale, .term-grid, .compare { grid-template-columns: 1fr; }
  .cell.tall, .cell.wide, .term:first-child { grid-row: auto; grid-column: auto; }
  .assure-item:nth-child(even) { margin-left: 0; }
  .hero-actions { display: grid; }
  .hero-actions .btn-brand, .hero-actions .btn-ghost { width: 100%; }
  .time-row { grid-template-columns: 1fr; gap: 2px; }
  .entry-card.side { align-self: stretch; }
}
@media (max-width: 520px) {
  h1 { font-size: 32px; }
  .metrics, .quick-grid { grid-template-columns: 1fr 1fr; }
  .container { width: min(1140px, calc(100% - 24px)); }
  .quote { flex-basis: 82%; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category2 */
:root {
  --bg: #1A1614;
  --bg-elev: #26211C;
  --bg-alt: #211C18;
  --ink: #F4EFE8;
  --muted: #B7AFA6;
  --primary: #D4532E;
  --primary-deep: #B84322;
  --secondary: #C6B48A;
  --accent: #7FA58A;
  --caption: #0E0C0B;
  --line: rgba(244,239,232,.14);
  --shadow: 0 14px 36px rgba(0,0,0,.32);
  --radius: 16px;
  --input: 12px;
  --pad: 72px;
  --bs-body-color: #F4EFE8;
  --bs-body-bg: #1A1614;
  --bs-link-color: #F4EFE8;
  --bs-link-hover-color: #D4532E;
  --bs-primary: #D4532E;
  --bs-border-color: rgba(244,239,232,.14);
  --bs-secondary-color: #B7AFA6;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
button, input, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
p { margin: 0 0 .95em; }
h1, h2, h3 { font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif; letter-spacing: 0; }
h1 { font-size: 44px; font-weight: 700; line-height: 1.25; margin: 0; }
h2 { font-size: 30px; font-weight: 700; line-height: 1.3; margin: 0 0 10px; }
h3 { font-size: 21px; font-weight: 700; line-height: 1.4; margin: 0; }
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  min-height: 72px;
  background: rgba(26,22,20,.94);
  border-bottom: 1px solid var(--line);
  transition: background .2s ease;
  z-index: 1030;
}
.site-header.is-scrolled { background: #1A1614; }
.navbar { padding: 0; }
.navbar-brand { margin: 0; padding: 0; }
.nav-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  color: var(--ink);
  flex: 0 1 auto;
}
.brand:hover { color: var(--ink); }
.logo-wave { flex: 0 0 24px; display: block; }
.brand-name { font-size: 15px; font-weight: 700; line-height: 1.25; }
.nav-aside {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  order: 3;
}
.lang-pills {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: transparent;
}
.lang-pills button {
  min-width: 36px;
  min-height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
}
.lang-pills button[aria-pressed="true"] { background: var(--accent); color: #14201A; }
.lang-pills button:hover { color: var(--ink); }
.lang-pills button[aria-pressed="true"]:hover { color: #14201A; }
.lang-pills button:active { transform: translateY(1px); }
.navbar-toggler {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: transparent;
  padding: 0;
  box-shadow: none;
}
.navbar-toggler:hover { border-color: var(--secondary); }
.navbar-toggler:active { transform: translateY(1px); }
.navbar-toggler-icon {
  width: 18px;
  height: 2px;
  background: var(--ink);
  display: inline-block;
  position: relative;
  background-image: none;
}
.navbar-toggler-icon::before, .navbar-toggler-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink);
}
.navbar-toggler-icon::before { top: -6px; }
.navbar-toggler-icon::after { top: 6px; }
.main-nav { order: 2; }
.navbar-nav { gap: 4px; align-items: center; }
.navbar-nav .nav-link {
  color: var(--muted);
  font-size: 15px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 0;
  background: transparent;
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus { color: var(--ink); }
.navbar-nav .nav-link.active {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
  background: transparent;
}
.btn-brand, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-brand { background: var(--primary); color: #fff; }
.btn-brand:hover { background: var(--primary-deep); color: #fff; transform: translateY(-2px); }
.btn-brand:active { background: #A33B1E; color: #fff; transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { color: var(--ink); border-color: var(--secondary); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(1px); }
.mobile-cta { display: none; margin: 8px 16px 16px; }
.section { padding: var(--pad) 0; position: relative; }
.section.base { background: var(--bg); }
.section.alt { background: var(--bg-alt); }
.section.elev { background: var(--bg-elev); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--secondary);
  border-radius: 999px;
  color: var(--secondary);
  font-size: 13px;
  margin: 0 0 14px;
}
.lead, .sub { margin: 12px 0 0; color: var(--muted); max-width: 38em; font-size: 16px; }
.wave-track { display: block; width: 100%; height: 12px; margin-bottom: 18px; }
.head-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 28px;
}
.count-line {
  margin: 0;
  flex: 0 0 auto;
  color: var(--secondary);
  font-size: 14px;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--secondary);
}
.banner-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(220px, .55fr);
  gap: 18px;
  align-items: stretch;
  margin-top: 22px;
}
.feature-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .18s ease;
}
.feature-card:hover { transform: translateY(-3px); }
.still { position: relative; background: #120F0D; }
.still img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.cap-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  background: var(--caption);
  color: var(--ink);
  font-size: 13px;
}
.feature-copy { padding: 16px 18px 18px; }
.feature-copy p { color: var(--muted); max-width: 38em; margin: 8px 0 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--secondary);
  color: var(--secondary);
  font-size: 12px;
  line-height: 1;
}
.chip.play { border-color: var(--accent); color: var(--accent); }
.side-points { display: flex; flex-direction: column; gap: 12px; }
.point {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
}
.point:nth-child(2) { padding-top: 22px; padding-bottom: 22px; }
.point span { display: block; color: var(--secondary); font-size: 13px; }
.point strong { display: block; margin-top: 4px; font-size: 20px; font-weight: 700; }
.point em { display: block; margin-top: 4px; color: var(--muted); font-style: normal; font-size: 14px; }
.cue-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 36px;
  margin-top: 8px;
}
.cue-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 72px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.cue-time {
  color: var(--accent);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}
.cue-title { font-size: 17px; font-weight: 700; line-height: 1.4; }
.cue-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.more-row { display: flex; justify-content: flex-end; margin-top: 18px; }
.compare-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
  margin-top: 18px;
}
.compare-col {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
}
.compare-col.dim { background: transparent; }
.compare-col h3 { margin-bottom: 6px; }
.compare-col .note { color: var(--muted); font-size: 14px; margin: 0 0 14px; max-width: 38em; }
.bar { margin-top: 12px; }
.bar-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}
.track {
  height: 8px;
  margin-top: 6px;
  border-radius: 999px;
  background: #14110F;
  border: 1px solid var(--line);
  overflow: hidden;
}
.fill { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 999px; }
.fill.hot { background: var(--primary); }
.conclude { margin: 16px 0 0; max-width: 38em; color: var(--ink); }
.week {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}
.day {
  min-height: 108px;
  padding: 12px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  text-align: center;
}
.day em { display: block; color: var(--muted); font-style: normal; font-size: 13px; }
.day strong {
  display: block;
  margin: 6px 0 2px;
  font-size: 28px;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}
.day span { color: var(--secondary); font-size: 12px; }
.day.is-today { box-shadow: inset 0 -3px 0 var(--accent); }
.fold-grid {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 18px;
  margin-top: 18px;
  align-items: start;
}
.fold-main, .fold-side, .fold-note {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 18px;
}
.fold-side { margin-top: 28px; background: transparent; }
.fold-note { margin-top: 18px; }
.phone-line {
  margin-top: 12px;
  background: var(--caption);
  border-radius: 12px;
  min-height: 32px;
  display: flex;
  align-items: center;
  padding: 6px 12px;
  color: var(--ink);
  font-size: 14px;
}
.phone-line + .phone-line { margin-top: 8px; }
.fold-main p, .fold-side p, .fold-note p { color: var(--muted); margin: 8px 0 0; max-width: 38em; }
.article-list { margin-top: 6px; }
.article-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 72px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.article-item time { color: var(--accent); font-size: 13px; font-variant-numeric: tabular-nums; }
.article-item:hover h3 { color: var(--primary); }
.article-item:active { transform: translateY(1px); }
.article-item p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.faq-list { margin-top: 8px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  padding: 8px 0;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--accent);
  font-size: 20px;
  line-height: 1;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item summary:hover { color: var(--secondary); }
.faq-item p { color: var(--muted); max-width: 38em; margin: 0 0 14px; font-size: 15px; }
.cta-band {
  margin-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--caption);
  box-shadow: var(--shadow);
}
.cta-band p { margin: 6px 0 0; color: var(--muted); max-width: 36em; }
.site-footer {
  padding: 36px 0 28px;
  background: #14110F;
  border-top: 1px solid var(--line);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr .7fr .7fr;
  gap: 28px;
}
.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-weight: 700;
  color: var(--ink);
}
.fine { color: var(--muted); max-width: 36em; margin: 8px 0 0; font-size: 14px; }
.foot-links { display: flex; flex-direction: column; align-items: flex-start; }
.foot-links a {
  color: var(--muted);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.foot-links a:hover { color: var(--ink); }
.copy {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 1199.98px) {
  :root { --pad: 48px; }
  h1 { font-size: 40px; }
  h2 { font-size: 28px; }
}
@media (max-width: 991.98px) {
  .nav-inner { flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
  .nav-desktop-cta { display: none; }
  .main-nav { order: 4; flex-basis: 100%; }
  .navbar-collapse { background: #1A1614; border-top: 1px solid var(--line); }
  .navbar-nav { align-items: stretch; }
  .navbar-nav .nav-link { width: 100%; }
  .mobile-cta { display: inline-flex; width: calc(100% - 32px); }
  .banner-layout, .compare-grid, .fold-grid, .foot-grid { grid-template-columns: 1fr; }
  .fold-side { margin-top: 0; }
  .cue-board { grid-template-columns: 1fr; }
}
@media (max-width: 767.98px) {
  :root { --pad: 36px; }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  h3 { font-size: 20px; }
  .head-row, .cta-band { flex-direction: column; align-items: stretch; }
  .count-line { white-space: normal; }
  .week { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .day:last-child { grid-column: 1 / -1; }
  .btn-brand, .btn-ghost { width: 100%; }
  .more-row .btn-ghost { width: auto; }
  .article-item, .cue-row { grid-template-columns: 68px minmax(0, 1fr); }
}
@media (max-width: 520px) {
  .brand-name { font-size: 13px; }
  .nav-inner { gap: 8px; }
  .container { width: min(1140px, calc(100% - 24px)); }
  .week { gap: 8px; }
  .day strong { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --bg: #1A1614;
  --bg-elev: #26211C;
  --bg-alt: #211C18;
  --ink: #F4EFE8;
  --muted: #B7AFA6;
  --primary: #D4532E;
  --primary-deep: #B84322;
  --secondary: #C6B48A;
  --accent: #7FA58A;
  --caption: #0E0C0B;
  --line: rgba(244,239,232,.14);
  --shadow: 0 14px 36px rgba(0,0,0,.32);
  --radius: 16px;
  --input: 12px;
  --pad: 72px;
  --bs-body-color: #F4EFE8;
  --bs-body-bg: #1A1614;
  --bs-link-color: #F4EFE8;
  --bs-link-hover-color: #D4532E;
  --bs-primary: #D4532E;
  --bs-border-color: rgba(244,239,232,.14);
  --bs-secondary-color: #B7AFA6;
  --bs-navbar-color: #F4EFE8;
  --bs-navbar-hover-color: #F4EFE8;
  --bs-navbar-active-color: #F4EFE8;
  --bs-navbar-toggler-border-color: rgba(244,239,232,.14);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
button, input, select { font-family: inherit; font-size: inherit; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
::selection { background: rgba(212,83,46,.35); color: #fff; }
.container { width: min(1140px, calc(100% - 32px)); max-width: 1140px; margin: 0 auto; }
p { margin: 0 0 .95em; }
h1, h2, h3 { font-weight: 700; letter-spacing: 0; }
h1 { font-size: 44px; line-height: 1.25; margin: 0; }
h2 { font-size: 30px; line-height: 1.3; margin: 0 0 8px; }
h3 { font-size: 21px; line-height: 1.45; margin: 0; }
.mono { font-family: ui-monospace, "Sarasa Mono", "Noto Sans Mono", monospace; font-variant-numeric: tabular-nums; }
.site-header {
  min-height: 72px;
  background: rgba(26,22,20,.94);
  border-bottom: 1px solid var(--line);
  transition: background .2s ease;
}
.site-header.is-scrolled { background: #1A1614; }
.navbar { padding: 0; }
.nav-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  color: var(--ink);
  margin-right: 0;
  padding: 0;
}
.brand:hover { color: var(--ink); }
.logo-wave { flex: 0 0 24px; display: block; }
.brand-name { font-size: 15px; font-weight: 700; line-height: 1.25; }
.nav-aside {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  order: 3;
}
.lang-pills {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: transparent;
}
.lang-pills button {
  min-width: 36px;
  min-height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
}
.lang-pills button[aria-pressed="true"] { background: var(--accent); color: #14201A; }
.lang-pills button:active { transform: translateY(1px); }
.navbar-toggler {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: transparent;
  padding: 0;
  box-shadow: none;
}
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler:active { transform: translateY(1px); }
.navbar-toggler-icon {
  width: 18px;
  height: 2px;
  background: var(--ink);
  display: inline-block;
  position: relative;
  background-image: none;
}
.navbar-toggler-icon::before, .navbar-toggler-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink);
}
.navbar-toggler-icon::before { top: -6px; }
.navbar-toggler-icon::after { top: 6px; }
.main-nav { order: 2; }
.navbar-nav { gap: 4px; align-items: center; }
.navbar-nav .nav-link {
  color: var(--muted);
  font-size: 15px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 0;
  background: transparent;
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus { color: var(--ink); }
.navbar-nav .nav-link.active {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
  background: transparent;
}
.btn-brand, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn-brand { background: var(--primary); color: #fff; }
.btn-brand:hover { background: var(--primary-deep); color: #fff; transform: translateY(-2px); }
.btn-brand:active { background: #A33B1E; color: #fff; transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { color: var(--ink); border-color: var(--secondary); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(1px); }
.mobile-cta { display: none; margin: 8px 0 12px; }
.section { padding: var(--pad) 0; position: relative; }
.section.base { background: var(--bg); }
.section.alt { background: var(--bg-alt); }
.section.elev { background: var(--bg-elev); }
.section.tight { padding: 22px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--secondary);
  border-radius: 999px;
  color: var(--secondary);
  font-size: 13px;
  margin-bottom: 14px;
}
.lead { margin-top: .9em; color: var(--muted); max-width: 38em; font-size: 16px; }
.subhead { color: var(--muted); max-width: 38em; margin: 0 0 22px; font-size: 16px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--secondary);
  color: var(--secondary);
  font-size: 12px;
  line-height: 1;
  background: transparent;
}
.chip.play { border-color: var(--accent); color: var(--accent); }
.chip.hot { border-color: var(--primary); color: #F3C2B4; }
.holes {
  height: 12px;
  margin-bottom: 18px;
  border-radius: 999px;
  background-color: rgba(198,180,138,.28);
  background-image: radial-gradient(circle at 7px 6px, var(--bg) 2.4px, transparent 3px);
  background-size: 18px 12px;
}
.wave-rail { height: 16px; margin: 18px 0 8px; }
.wave-rail svg { width: 100%; height: 16px; display: block; }
.head-copy { max-width: 40em; }
.filter-bar {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1.3fr 1fr .9fr;
  gap: 14px;
  padding: 14px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.filter-group { min-width: 0; }
.filter-label {
  display: block;
  color: var(--secondary);
  font-size: 13px;
  margin-bottom: 8px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-bar button {
  min-height: 44px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.filter-bar button[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #14201A;
}
.filter-bar button:hover { border-color: var(--secondary); color: var(--ink); }
.filter-bar button[aria-pressed="true"]:hover { color: #14201A; }
.filter-bar button:active { transform: translateY(1px); }
.result-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  margin: 0;
  min-height: 44px;
  color: var(--muted);
  font-size: 14px;
}
.result-line strong { color: var(--ink); font-weight: 700; }
.result-line span { position: relative; }
.result-line span + span::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-right: 18px;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}
.catalog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.sheet {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .18s ease;
}
.sheet:hover { transform: translateY(-3px); }
.sheet.wide { grid-column: 1 / -1; }
.sheet.is-hidden { display: none; }
.frame { position: relative; background: #211C18; }
.frame img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.capbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 32px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--caption);
  color: var(--ink);
  font-size: 13px;
}
.sheet-body { padding: 14px 16px 16px; }
.sheet-top { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.sheet-body p { color: var(--muted); margin: 8px 0 0; max-width: 38em; }
.meta-line { font-size: 13px; color: var(--muted); }
.list-end { display: flex; justify-content: flex-start; margin-top: 18px; }
.trait-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr .82fr;
  gap: 16px;
  align-items: stretch;
}
.trait {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px 16px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.trait:nth-child(1) { min-height: 230px; }
.trait:nth-child(2) { min-height: 188px; align-self: end; }
.trait:nth-child(3) { min-height: 210px; align-self: start; background: #221E1A; }
.trait p { color: var(--muted); margin-top: 10px; max-width: 36em; }
.trait .rail {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), transparent 70%);
  opacity: .7;
}
.mile { position: relative; margin: 8px 0 0; padding: 0; list-style: none; }
.mile::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--line);
}
.mile-item { position: relative; padding: 0 0 22px 36px; }
.mile-item:last-child { padding-bottom: 0; }
.mile-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
}
.mile-item .mono { color: var(--secondary); font-size: 13px; }
.mile-item h3 { margin-top: 2px; }
.mile-item p { color: var(--muted); margin: 4px 0 0; max-width: 38em; }
.news-col { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.news-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-height: 76px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.news-row:hover { color: var(--ink); }
.news-row:hover strong { color: var(--primary); }
.news-row .mono { color: var(--accent); font-size: 14px; }
.news-row small { display: block; color: var(--muted); font-size: 13px; }
.qa { border-top: 1px solid var(--line); }
.qa:last-of-type { border-bottom: 1px solid var(--line); }
.qa summary {
  min-height: 52px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 17px;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: "+";
  color: var(--accent);
  font-weight: 700;
  font-size: 20px;
}
.qa[open] summary::after { content: "–"; }
.qa p { color: var(--muted); max-width: 38em; margin: 0 0 14px; }
.remind {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--caption);
  box-shadow: var(--shadow);
}
.remind p { margin: 8px 0 0; color: var(--muted); max-width: 36em; }
.site-footer {
  background: #14110F;
  border-top: 1px solid var(--line);
  padding: 36px 0 22px;
}
.foot-grid { display: grid; grid-template-columns: 1.4fr .7fr .7fr; gap: 28px; }
.foot-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-weight: 700;
  color: var(--ink);
}
.foot-brand:hover { color: var(--ink); }
.fine { color: var(--muted); max-width: 36em; margin-top: 8px; }
.foot-links { display: flex; flex-direction: column; gap: 4px; }
.foot-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
}
.foot-links a:hover { color: var(--ink); }
.copy {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 1199.98px) {
  :root { --pad: 48px; }
  h1 { font-size: 40px; }
  .trait-grid { grid-template-columns: 1.25fr .9fr; }
  .trait:nth-child(3) { grid-column: 1 / -1; min-height: 0; align-self: stretch; }
}
@media (max-width: 991.98px) {
  .nav-desktop-cta { display: none; }
  .mobile-cta { display: inline-flex; width: 100%; }
  .nav-inner { flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .main-nav { flex-basis: 100%; }
  .navbar-nav { align-items: stretch; }
  .navbar-nav .nav-link { width: 100%; }
  .filter-bar { grid-template-columns: 1fr; }
}
@media (max-width: 767.98px) {
  :root { --pad: 36px; }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .catalog-grid { grid-template-columns: 1fr; }
  .sheet.wide { grid-column: auto; }
  .trait-grid { grid-template-columns: 1fr; }
  .trait:nth-child(1), .trait:nth-child(2), .trait:nth-child(3) { min-height: 0; align-self: stretch; }
  .news-row { grid-template-columns: 72px minmax(0, 1fr); gap: 10px; }
  .remind { flex-direction: column; align-items: stretch; }
  .remind .btn-brand { width: 100%; }
  .foot-grid { grid-template-columns: 1fr; gap: 8px; }
  .list-end .btn-ghost { width: 100%; }
}
@media (max-width: 520px) {
  .brand-name { font-size: 13px; max-width: 12em; }
  .container { width: min(1140px, calc(100% - 24px)); }
  .result-line { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}