/* roulang page: index */
:root {
  --bg: #161210;
  --bg-2: #221B17;
  --bg-3: #2C241E;
  --ink: #F3EEE7;
  --muted: #B7AA9E;
  --line: #3A312A;
  --brand: #E25B3A;
  --brand-2: #F0A36B;
  --brand-deep: #c44a30;
  --support: #8A9A72;
  --nav: #12100E;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(22,18,16,.28);
  --header-h: 64px;
  --gutter: 20px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  padding-top: var(--header-h);
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: "Noto Serif SC", "Songti SC", "STSong", serif; font-weight: 600; letter-spacing: normal; }
h1 { font-size: 40px; line-height: 48px; }
h2 { font-size: 28px; line-height: 34px; }
h3 { font-size: 18px; line-height: 26px; }
p { max-width: 38em; }
a { color: var(--ink); text-decoration: none; transition: color .2s ease; }
a:visited { color: var(--ink); }
a:hover { color: var(--brand); text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--brand-2);
  outline-offset: 2px;
}
::selection { background: var(--brand); color: #fff; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.band { padding: 48px 0; }
.band-a { background: var(--bg); }
.band-b { background: var(--bg-2); }
.lead { color: var(--muted); margin-top: 12px; font-size: 16px; }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--support); font-size: 13px; letter-spacing: normal; }
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  height: var(--header-h); background: var(--nav);
  border-bottom: 1px solid var(--line);
}
.nav-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 18px; line-height: 1; color: var(--ink); text-decoration: none; white-space: nowrap; }
.logo:hover { color: var(--ink); text-decoration: none; }
.logo-mark { width: 10px; height: 18px; border-radius: 2px; background: var(--brand); display: inline-block; }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: transparent; color: var(--ink);
  border-radius: var(--radius-sm); min-height: 40px; padding: 0 12px; cursor: pointer;
}
.nav-toggle:hover { border-color: var(--brand-2); color: var(--brand-2); }
.nav-panel { display: flex; align-items: center; gap: 8px; }
.nav-link {
  color: var(--ink); font-size: 15px; padding: 8px 10px; text-decoration: none;
  border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--brand); text-decoration: underline; }
.nav-link.active { color: var(--ink); border-bottom-color: var(--brand); text-decoration: none; }
.nav-link.active:hover { color: var(--brand); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 42px; padding: 0 16px; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.btn:hover { text-decoration: none; }
.btn-solid { background: var(--brand); color: #fff; }
.btn-solid:hover { background: var(--brand-2); color: #2a160f; transform: translateY(-1px); }
.btn-solid:active { background: var(--brand-deep); color: #fff; transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--muted); }
.btn-ghost:hover { color: var(--brand); border-color: var(--brand); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); color: var(--brand-2); }
.dash { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: stretch; }
.subhead { margin-top: 10px; color: var(--ink); font-size: 16px; max-width: 36em; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.metric {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow); min-height: 132px;
}
.metric b { display: block; color: var(--brand); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 32px; line-height: 1.1; font-weight: 600; }
.metric span { display: block; margin-top: 4px; color: var(--ink); font-size: 14px; }
.metric p { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.65; max-width: none; }
.track { margin-top: 14px; height: 2px; background: var(--line); border-radius: 99px; overflow: hidden; }
.track i { display: block; height: 100%; width: 68%; background: var(--brand); }
.matrix { display: grid; grid-template-columns: 7fr 5fr; gap: 16px; margin-top: 22px; }
.card {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px;
}
.card p { color: var(--muted); margin-top: 8px; }
.matrix-main { border-left: 3px solid var(--brand); }
.matrix-side { display: flex; flex-direction: column; gap: 16px; }
.cap-title { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.badge {
  display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px;
  border-radius: var(--radius-sm); border: 1px solid var(--line); color: var(--support);
  background: #241e19; font-size: 13px; line-height: 1;
}
.badge-brand { color: #2a160f; background: var(--brand-2); border-color: transparent; }
.entry-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 16px; margin-top: 22px; align-items: stretch; }
.entry-card {
  display: flex; flex-direction: column; justify-content: space-between; gap: 16px;
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px; min-height: 220px; color: var(--ink); text-decoration: none;
  transition: transform .2s ease, border-color .2s ease;
}
.entry-card.tall { min-height: 300px; }
.entry-card:hover { transform: translateY(-2px); border-color: var(--brand); color: var(--ink); text-decoration: none; }
.entry-card p { color: var(--muted); }
.entry-card .go { color: var(--brand); font-size: 14px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px; }
.compare-col { display: flex; flex-direction: column; gap: 12px; }
.compare-row {
  display: block; background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow); color: var(--ink); text-decoration: none;
}
.compare-row:hover { border-color: var(--brand); color: var(--ink); text-decoration: none; transform: translateY(-1px); }
.compare-row strong { display: block; }
.compare-row span { display: block; color: var(--muted); font-size: 14px; margin-top: 4px; }
.scene-grid { display: grid; grid-template-columns: 1.3fr 1fr .8fr; gap: 14px; margin-top: 22px; }
.scene {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; min-height: 210px; box-shadow: var(--shadow); display: flex; flex-direction: column; justify-content: space-between;
}
.scene a { color: var(--brand-2); }
.scene p { color: var(--muted); margin-top: 8px; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 26px; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 0; right: 0; top: 18px; height: 2px; background: var(--line);
}
.node { position: relative; padding-top: 36px; }
.node i {
  position: absolute; top: 10px; left: 0; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--brand);
}
.node.done i { background: var(--support); border-color: var(--support); }
.node strong { display: block; }
.node p { color: var(--muted); font-size: 14px; margin-top: 6px; }
.head-row { display: flex; justify-content: space-between; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.news-list { margin-top: 18px; display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.news-row {
  display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none;
}
.news-row:hover { color: var(--brand); }
.news-row:hover strong { text-decoration: underline; }
.news-row p { color: var(--muted); font-size: 14px; margin-top: 4px; max-width: none; }
.news-row time { color: var(--brand-2); font-size: 13px; white-space: nowrap; }
.wall { margin-top: 22px; display: flex; flex-direction: column; gap: 14px; }
.wall-row { display: grid; gap: 14px; }
.wall-5 { grid-template-columns: repeat(5, 1fr); }
.wall-3 { grid-template-columns: repeat(3, 1fr); }
.wall-4 { grid-template-columns: repeat(4, 1fr); }
.poster {
  position: relative; display: flex; flex-direction: column; justify-content: flex-end;
  aspect-ratio: 16/9; background: var(--bg-3); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; padding: 12px; color: var(--ink);
  text-decoration: none; box-shadow: var(--shadow);
}
.poster:hover { color: var(--ink); text-decoration: none; border-color: var(--brand); }
.poster .ph {
  position: absolute; inset: 0; background:
    linear-gradient(to top, rgba(22,18,16,.2), rgba(22,18,16,0) 42%),
    var(--bg-3);
}
.poster .ph::before {
  content: ""; position: absolute; left: 12px; right: 12px; top: 12px; height: 36%;
  border-radius: 8px; background: #3a312a;
}
.poster strong, .poster em, .poster small { position: relative; z-index: 1; }
.poster em { font-style: normal; color: var(--support); font-size: 13px; }
.poster small { color: var(--muted); font-size: 13px; }
.poster .bar { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--line); z-index: 1; }
.poster .bar i { display: block; height: 100%; background: var(--brand); }
.guard { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.guard article {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.guard p { color: var(--muted); font-size: 14px; margin-top: 8px; }
.clarity { display: grid; grid-template-columns: .9fr 1.1fr; gap: 18px; margin-top: 22px; align-items: start; }
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; }
.badge-lg { min-height: 42px; padding: 0 14px; font-size: 16px; color: var(--ink); background: var(--bg-3); }
.badge-lg.on { color: #2a160f; background: var(--brand); border-color: transparent; }
.device-list { display: flex; flex-direction: column; gap: 10px; }
.device-list li {
  list-style: none; background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px 14px; color: var(--muted);
}
.device-list { margin: 0; padding: 0; }
.qa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.qa { background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.qa p { color: var(--muted); margin-top: 6px; }
.faq { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.faq details { background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 16px; }
.faq summary { cursor: pointer; min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding-bottom: 14px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.step { background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.step b { color: var(--brand); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 22px; }
.step p { color: var(--muted); margin-top: 8px; font-size: 14px; }
.form-card { margin-top: 20px; max-width: 720px; }
.form-grid { display: grid; gap: 12px; }
label { display: block; font-size: 14px; margin-bottom: 6px; }
input, select {
  width: 100%; min-height: 44px; border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: #1c1714; color: var(--ink); padding: 0 12px;
}
input::placeholder { color: var(--muted); }
.form-note { margin-top: 12px; color: var(--brand-2); }
.site-footer { background: var(--nav); border-top: 1px solid var(--line); padding: 36px 0 22px; }
.foot-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 22px; }
.site-footer h2 { font-size: 18px; line-height: 26px; }
.site-footer p, .site-footer li { color: var(--muted); font-size: 14px; }
.site-footer ul { margin: 8px 0 0; padding: 0; list-style: none; }
.site-footer li + li { margin-top: 6px; }
.fine { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; max-width: none; }
@media (max-width: 1024px) {
  .nav-toggle { display: inline-flex; }
  .nav-panel {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--nav); flex-direction: column; align-items: stretch;
    padding: 8px 20px 16px; border-top: 1px solid var(--line); gap: 4px;
  }
  .nav-panel.open { display: flex; }
  .nav-link { padding: 12px 4px; }
  .nav-panel .btn { width: 100%; margin-top: 6px; }
  .dash, .matrix, .entry-grid, .compare, .clarity, .foot-grid { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: 1fr 1fr; }
  .scene:last-child { grid-column: 1 / -1; }
  .wall-5 { grid-template-columns: repeat(3, 1fr); }
  .wall-4 { grid-template-columns: repeat(2, 1fr); }
  .guard, .steps { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .timeline::before { display: none; }
}
@media (min-width: 768px) {
  :root { --gutter: 32px; }
  .container { width: min(1120px, calc(100% - 64px)); }
  .band { padding: 64px 0; }
}
@media (min-width: 1024px) {
  .band { padding: 80px 0; }
}
@media (max-width: 768px) {
  .qa-grid, .guard, .steps, .timeline, .scene-grid { grid-template-columns: 1fr; }
  .scene:last-child { grid-column: auto; }
  .wall-5, .wall-3, .wall-4 { grid-template-columns: 1fr 1fr; }
  .entry-card.tall { min-height: 220px; }
}
@media (max-width: 520px) {
  h1 { font-size: 32px; line-height: 40px; }
  h2 { font-size: 24px; line-height: 32px; }
  .metric-grid, .wall-5, .wall-3, .wall-4 { grid-template-columns: 1fr; }
  .news-row { grid-template-columns: 1fr; gap: 4px; }
  .container { width: min(1120px, calc(100% - 40px)); }
}

/* roulang page: category2 */
:root {
  --bg: #161210;
  --bg-2: #221B17;
  --bg-3: #2C241E;
  --ink: #F3EEE7;
  --muted: #B7AA9E;
  --line: #3A312A;
  --brand: #E25B3A;
  --brand-2: #F0A36B;
  --brand-deep: #c44a30;
  --support: #8A9A72;
  --nav: #12100E;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(22,18,16,.28);
  --header-h: 64px;
  --gutter: 20px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  padding-top: var(--header-h);
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--ink); text-decoration: none; transition: color .2s ease; }
a:visited { color: var(--ink); }
a:hover { color: var(--brand); text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--brand-2);
  outline-offset: 2px;
}
p { max-width: 38em; }
h1, h2, h3 { font-family: "Noto Serif SC", "Songti SC", serif; font-weight: 600; }
h1 { font-size: 40px; line-height: 48px; margin: 0; }
h2 { font-size: 28px; line-height: 34px; margin: 0; }
h3 { font-size: 18px; line-height: 26px; margin: 0; font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.band-a { background: var(--bg); }
.band-b { background: var(--bg-2); }
.section { padding: 48px 0; }
.lead { color: var(--muted); margin: 12px 0 0; font-size: 16px; }
.kicker { color: var(--brand-2); font-size: 13px; letter-spacing: 0; margin: 0 0 8px; }
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  height: var(--header-h); background: var(--nav);
  border-bottom: 1px solid var(--line);
}
.nav-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 18px; line-height: 1; color: var(--ink); text-decoration: none; white-space: nowrap; }
.logo:hover { color: var(--ink); text-decoration: none; }
.logo-mark { width: 10px; height: 18px; border-radius: 2px; background: var(--brand); display: inline-block; }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: transparent; color: var(--ink);
  border-radius: var(--radius-sm); min-height: 40px; padding: 0 12px; cursor: pointer;
}
.nav-toggle:hover { border-color: var(--brand-2); color: var(--brand-2); }
.nav-toggle:active { color: var(--brand); }
.nav-panel { display: flex; align-items: center; gap: 8px; }
.nav-link {
  color: var(--ink); font-size: 15px; padding: 8px 10px; text-decoration: none;
  border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--brand); text-decoration: underline; }
.nav-link.active { color: var(--ink); border-bottom-color: var(--brand); text-decoration: none; }
.nav-link.active:hover { color: var(--brand); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 42px; padding: 0 16px; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.btn:hover { text-decoration: none; }
.btn-solid { background: var(--brand); color: #fff; }
.btn-solid:hover { background: var(--brand-2); color: #2a160f; transform: translateY(-1px); }
.btn-solid:active { background: var(--brand-deep); color: #fff; transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--muted); }
.btn-ghost:hover { color: var(--brand); border-color: var(--brand); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); color: var(--brand-2); }
.card {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px;
}
.card p { color: var(--muted); margin: 8px 0 0; }
.badge {
  display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px;
  border-radius: var(--radius-sm); border: 1px solid var(--line); color: var(--support);
  background: #241e19; font-size: 13px; line-height: 1;
}
.badge-brand { color: #2a160f; background: var(--brand-2); border-color: transparent; }
.badge-on { color: #2a160f; background: var(--brand); border-color: transparent; }
.cover {
  position: relative; background: #3A2C24; border: 1px solid var(--line);
  border-radius: var(--radius-sm); overflow: hidden; min-height: 120px;
}
.cover .cover-tag {
  position: absolute; left: 14px; top: 14px; color: var(--ink); font-size: 13px;
}
.cover .bar {
  position: absolute; left: 14px; top: 40px; width: 36px; height: 8px;
  background: var(--brand); border-radius: 2px;
}
.cover .progress {
  position: absolute; left: 0; bottom: 0; height: 2px; background: var(--brand-2); display: block;
}
.ratio-16 { aspect-ratio: 16/9; }
.ratio-34 { aspect-ratio: 3/4; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: center; }
.hero-copy .meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.hero-side { display: flex; flex-direction: column; gap: 10px; }
.hero-side .side-note { color: var(--muted); font-size: 13px; margin: 0; max-width: none; }
.topic-mosaic { margin-top: 22px; display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; align-items: start; }
.span-8 { grid-column: span 8; }
.span-4 { grid-column: span 4; }
.topic-card {
  display: grid; gap: 14px; background: var(--bg-3); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; color: var(--ink);
  text-decoration: none; transition: transform .2s ease, border-color .2s ease;
}
.topic-card:hover { transform: translateY(-2px); border-color: var(--brand); color: var(--ink); text-decoration: none; }
.topic-card p { color: var(--muted); margin: 8px 0 0; }
.topic-card .foot { display: flex; justify-content: space-between; gap: 8px; align-items: center; color: var(--brand-2); font-size: 13px; }
.span-8.topic-card { grid-template-columns: 1.1fr .9fr; align-items: center; }
.span-4.topic-card { margin-top: 22px; }
.vtime { list-style: none; margin: 22px 0 0; padding: 0; display: flex; flex-direction: column; gap: 0; }
.vtime li {
  display: grid; grid-template-columns: 92px 16px 1fr; gap: 14px; position: relative;
}
.vtime time { color: var(--brand-2); font-size: 13px; padding-top: 2px; }
.vtime .dot {
  width: 12px; height: 12px; border-radius: 50%; background: var(--brand); margin-top: 6px;
  box-shadow: 0 0 0 4px #2a211c;
}
.vtime li::before {
  content: ""; position: absolute; left: 111px; top: 18px; bottom: -8px; width: 1px; background: var(--line);
}
.vtime li:last-child::before { display: none; }
.vtime .node { background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 14px; box-shadow: var(--shadow); }
.vtime .node span { display: block; color: var(--muted); margin-top: 4px; }
.def-list { margin-top: 18px; display: flex; flex-direction: column; gap: 12px; }
.def-row {
  display: grid; grid-template-columns: 140px 1fr; gap: 16px; align-items: start;
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 18px;
}
.def-row strong { color: var(--brand-2); font-size: 16px; }
.def-row p { margin: 0; color: var(--muted); }
.note-list { margin-top: 8px; display: flex; flex-direction: column; }
.note-row {
  display: grid; grid-template-columns: 88px 1fr auto; gap: 16px; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none;
}
.note-row:hover { color: var(--brand); }
.note-row:hover strong { text-decoration: underline; }
.note-row em { font-style: normal; color: var(--support); font-size: 13px; }
.note-row p { margin: 4px 0 0; color: var(--muted); font-size: 14px; max-width: none; }
.note-row .go { color: var(--brand-2); font-size: 13px; white-space: nowrap; }
.more-line { display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.more-line p { margin: 8px 0 0; color: var(--muted); }
.assure-bar {
  list-style: none; margin: 18px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.assure-bar li {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.assure-bar strong { display: block; }
.assure-bar span { display: block; color: var(--muted); font-size: 14px; margin-top: 6px; }
.qa-list { margin-top: 18px; display: flex; flex-direction: column; gap: 12px; }
.qa {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 0 18px;
}
.qa summary {
  cursor: pointer; min-height: 56px; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; list-style: none; font-size: 18px; line-height: 26px;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--brand); font-size: 20px; }
.qa[open] summary::after { content: "–"; }
.qa p { color: var(--muted); margin: 0 0 16px; }
.site-footer { background: var(--nav); border-top: 1px solid var(--line); padding: 40px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1.1fr; gap: 28px; }
.site-footer h2 { font-size: 18px; line-height: 26px; margin-bottom: 10px; }
.site-footer p, .site-footer li { color: var(--muted); font-size: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 6px 0; }
.site-footer a { color: var(--ink); }
.fine { margin: 22px 0 0; font-size: 13px; color: var(--muted); max-width: none; }
.field, .form-grid { display: none; }
input, select, textarea {
  width: 100%; background: #241e19; border: 1px solid var(--line); border-radius: var(--radius-sm);
  min-height: 42px; padding: 8px 12px;
}
input:focus, select:focus, textarea:focus { border-color: var(--brand-2); }
@media (min-width: 1024px) {
  :root { --gutter: 32px; }
  .container { width: min(1120px, calc(100% - 64px)); }
  .section { padding: 72px 0; }
}
@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; align-items: center; }
  .nav-panel {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--nav); flex-direction: column; align-items: stretch;
    padding: 8px 20px 16px; border-bottom: 1px solid var(--line); gap: 4px;
  }
  .nav-panel.open { display: flex; }
  .nav-link { padding: 12px 4px; }
  .nav-panel .btn { width: 100%; margin-top: 6px; }
  .hero-grid, .foot-grid { grid-template-columns: 1fr; }
  .span-8.topic-card { grid-template-columns: 1fr; }
  .topic-mosaic { grid-template-columns: 1fr 1fr; }
  .span-8, .span-4 { grid-column: auto; }
  .span-4.topic-card { margin-top: 0; }
  .assure-bar { grid-template-columns: 1fr 1fr; }
  .def-row { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 767px) {
  .topic-mosaic, .assure-bar { grid-template-columns: 1fr; }
  .note-row { grid-template-columns: 1fr; gap: 4px; }
  .vtime li { grid-template-columns: 72px 16px 1fr; }
  .vtime li::before { left: 91px; }
  .more-line { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  h1 { font-size: 32px; line-height: 40px; }
  h2 { font-size: 24px; line-height: 32px; }
  .container { width: min(1120px, calc(100% - 32px)); }
  .section { padding: 40px 0; }
  .hero-side .ratio-34 { aspect-ratio: 16/9; }
}

/* roulang page: category1 */
:root {
 --bg: #161210;
 --bg-2: #221B17;
 --bg-3: #2C241E;
 --ink: #F3EEE7;
 --muted: #B7AA9E;
 --line: #3A312A;
 --brand: #E25B3A;
 --brand-2: #F0A36B;
 --brand-deep: #c44a30;
 --support: #8A9A72;
 --nav: #12100E;
 --radius: 14px;
 --radius-sm: 8px;
 --shadow: 0 8px 24px rgba(22,18,16,.28);
 --header-h: 64px;
 --gutter: 20px;
}
@media (min-width: 768px) { :root { --gutter: 32px; } }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 padding-top: var(--header-h);
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
p { margin: 0; max-width: 38em; }
ul, ol { margin: 0; padding: 0; }
a { color: var(--ink); text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease; }
a:visited { color: var(--ink); }
a:hover { color: var(--brand); text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
 outline: 2px solid var(--brand-2);
 outline-offset: 2px;
}
h1, h2, h3 { font-family: "Noto Serif SC", "Songti SC", serif; font-weight: 600; color: var(--ink); }
h1 { font-size: 40px; line-height: 48px; margin: 0; letter-spacing: 0; }
h2 { font-size: 28px; line-height: 34px; margin: 0; letter-spacing: 0; }
h3 { font-size: 18px; line-height: 26px; margin: 0; font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
@media (min-width: 768px) { .container { width: min(1120px, calc(100% - 64px)); } }
.section { padding: 48px 0; }
@media (min-width: 1024px) { .section { padding: 72px 0; } }
.band-a { background: var(--bg); }
.band-b { background: var(--bg-2); }
.lead { color: var(--muted); margin-top: 12px; font-size: 16px; }
.site-header {
 position: fixed; top: 0; left: 0; right: 0; z-index: 40;
 height: var(--header-h); background: #12100E;
 border-bottom: 1px solid var(--line);
}
.nav-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 18px; line-height: 1; color: var(--ink); text-decoration: none; white-space: nowrap; }
.logo:hover { color: var(--ink); text-decoration: none; }
.logo-mark { width: 10px; height: 18px; border-radius: 2px; background: var(--brand); display: inline-block; }
.nav-toggle {
 display: none; border: 1px solid var(--line); background: transparent; color: var(--ink);
 border-radius: var(--radius-sm); min-height: 40px; padding: 0 12px; cursor: pointer;
}
.nav-toggle:hover { border-color: var(--brand-2); color: var(--brand-2); }
.nav-toggle:active { background: var(--bg-3); }
.nav-panel { display: flex; align-items: center; gap: 8px; }
.nav-link {
 color: var(--ink); font-size: 15px; padding: 8px 10px; text-decoration: none;
 border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--brand); text-decoration: underline; }
.nav-link.active { color: var(--ink); border-bottom-color: var(--brand); text-decoration: none; }
.nav-link.active:hover { color: var(--brand); }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 6px;
 min-height: 42px; padding: 0 16px; border-radius: var(--radius-sm);
 border: 1px solid transparent; cursor: pointer; text-decoration: none;
 transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.btn:hover { text-decoration: none; }
.btn-solid { background: var(--brand); color: #fff; }
.btn-solid:hover { background: var(--brand-2); color: #2a160f; transform: translateY(-1px); }
.btn-solid:active { background: var(--brand-deep); color: #fff; transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--muted); }
.btn-ghost:hover { color: var(--brand); border-color: var(--brand); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); color: var(--brand-2); }
.card {
 background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
 box-shadow: var(--shadow); padding: 20px;
}
.badge {
 display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px;
 border-radius: var(--radius-sm); border: 1px solid var(--line); color: var(--support);
 background: #241e19; font-size: 13px; line-height: 1;
}
.head-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 28px; align-items: end; }
.kicker { color: var(--brand-2); font-size: 13px; margin: 0 0 8px; letter-spacing: 0; }
.summary-list { display: flex; flex-direction: column; gap: 10px; }
.summary-list div {
 display: grid; grid-template-columns: 72px 1fr; gap: 10px; align-items: baseline;
 background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
 padding: 12px 14px; box-shadow: var(--shadow);
}
.summary-list dt { color: var(--support); font-size: 13px; margin: 0; }
.summary-list dd { margin: 0; color: var(--ink); font-size: 15px; }
.slim-progress { height: 2px; background: var(--line); margin-top: 22px; border-radius: 2px; overflow: hidden; }
.slim-progress i { display: block; height: 2px; width: 64%; background: var(--brand); }
.update-grid { margin-top: 18px; display: grid; grid-template-columns: 1fr; column-gap: 36px; }
.update-item {
 display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 12px; align-items: start;
 padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none;
}
.update-item time { color: var(--brand-2); font-size: 13px; line-height: 26px; white-space: nowrap; }
.update-item strong { display: block; font-size: 16px; line-height: 26px; font-weight: 600; }
.update-item em { display: block; margin-top: 4px; font-style: normal; color: var(--muted); font-size: 13px; line-height: 1.6; }
.update-item:hover { color: var(--brand); text-decoration: none; }
.update-item:hover strong { text-decoration: underline; }
.update-item.is-hidden { display: none; }
.empty-note { display: none; margin-top: 16px; color: var(--muted); }
.empty-note.show { display: block; }
.rhythm { list-style: none; margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.rhythm li {
 display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 14px;
 width: min(100%, var(--w, 100%));
 background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
 box-shadow: var(--shadow); padding: 16px 18px;
}
.rhythm .idx {
 width: 52px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
 background: #241e19; color: var(--brand-2); border-radius: var(--radius-sm); font-size: 13px;
}
.rhythm p { color: var(--muted); margin-top: 6px; font-size: 14px; }
.chip-groups { display: flex; flex-direction: column; gap: 16px; margin-top: 20px; }
.chip-line { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.chip-name { color: var(--muted); font-size: 13px; min-width: 52px; }
.chip {
 min-height: 36px; padding: 0 12px; border-radius: var(--radius-sm);
 border: 1px solid var(--line); background: var(--bg-3); color: var(--ink); font-size: 14px;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.chip:hover { border-color: var(--brand-2); color: var(--brand-2); transform: translateY(-1px); }
.chip:active { transform: translateY(0); }
.chip.is-on { background: var(--brand); border-color: transparent; color: #fff; }
.chip.is-on:hover { background: var(--brand-2); color: #2a160f; }
.more-list { margin-top: 8px; border-top: 1px solid var(--line); }
.more-row {
 display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 12px;
 padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none;
}
.more-row time { color: var(--brand-2); font-size: 13px; }
.more-row:hover { color: var(--brand); text-decoration: none; }
.more-row:hover strong { text-decoration: underline; }
.more-link {
 margin-top: 18px; align-self: flex-start;
}
.more-wrap { display: flex; flex-direction: column; align-items: flex-start; }
.related-list { margin-top: 18px; display: flex; flex-direction: column; }
.related-row {
 display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; gap: 14px; align-items: center;
 padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none;
}
.related-row:hover { color: var(--ink); text-decoration: none; }
.related-row:hover strong { color: var(--brand); text-decoration: underline; }
.poster {
 width: 72px; aspect-ratio: 3 / 4; border-radius: var(--radius-sm);
 border: 1px solid var(--line); background: #3a2c24; position: relative; overflow: hidden;
}
.poster.b { background: #2a2420; }
.poster.c { background: #4a342c; }
.poster.d { background: #243028; }
.poster i { position: absolute; left: 0; bottom: 0; height: 2px; background: var(--brand); display: block; }
.related-row p { color: var(--muted); font-size: 13px; margin-top: 4px; max-width: none; }
.related-row .go { color: var(--brand-2); font-size: 13px; white-space: nowrap; }
.qa-list { margin-top: 18px; display: flex; flex-direction: column; gap: 12px; }
.qa-item {
 background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
 box-shadow: var(--shadow); padding: 16px 18px;
 border-left: 3px solid var(--support);
}
.qa-item p { color: var(--muted); margin-top: 6px; }
.form-narrow { max-width: 560px; }
.alert-form { margin-top: 18px; display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-size: 13px; color: var(--muted); }
.field input, .field select {
 min-height: 44px; border-radius: var(--radius-sm); border: 1px solid var(--line);
 background: var(--bg-3); color: var(--ink); padding: 0 12px;
}
.field input:hover, .field select:hover { border-color: var(--brand-2); }
.field input:focus, .field select:focus { border-color: var(--brand); }
.form-note { color: var(--muted); font-size: 13px; margin-top: 8px; }
.form-done { display: none; margin-top: 12px; color: var(--support); }
.form-done.show { display: block; }
.site-footer { background: #12100E; border-top: 1px solid var(--line); padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1.2fr; gap: 28px; }
.site-footer h2 { font-size: 18px; line-height: 26px; margin: 0 0 10px; }
.site-footer p, .site-footer li { color: var(--muted); font-size: 14px; }
.site-footer a { color: var(--ink); }
.site-footer a:hover { color: var(--brand); }
.site-footer ul { list-style: none; }
.site-footer li + li { margin-top: 6px; }
.fine { margin: 28px 0 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; max-width: none; }
@media (max-width: 1024px) {
 h1 { font-size: 34px; line-height: 42px; }
 .head-grid { gap: 18px; }
 .rhythm li { width: 100%; }
}
@media (max-width: 768px) {
 .nav-toggle { display: inline-flex; align-items: center; }
 .nav-panel {
  display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
  background: #12100E; flex-direction: column; align-items: stretch;
  padding: 8px 20px 16px; border-bottom: 1px solid var(--line); gap: 2px;
 }
 .nav-panel.is-open { display: flex; }
 .nav-link { padding: 12px 4px; }
 .nav-panel .btn { width: 100%; margin-top: 8px; }
 .head-grid, .foot-grid, .related-row { grid-template-columns: 1fr; }
 .related-row .go { display: none; }
 .section { padding: 48px 0; }
 .poster { width: 64px; }
}
@media (min-width: 1024px) {
 .update-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
 h1 { font-size: 30px; line-height: 38px; }
 h2 { font-size: 24px; line-height: 32px; }
 .container { width: calc(100% - 32px); }
 .summary-list div, .update-item, .more-row { grid-template-columns: 56px minmax(0, 1fr); }
 .rhythm li { grid-template-columns: 1fr; }
}