/* roulang page: index */
:root {
  --blue: #2F6BFF;
  --blue-hover: #4C82FF;
  --cyan: #3EE0FF;
  --magenta: #FF4D86;
  --bg: #070B14;
  --elev: #10182A;
  --elev-2: #0C1324;
  --glass: rgba(255,255,255,.08);
  --glass-line: rgba(160,190,255,.22);
  --text: #E7EEF9;
  --muted: #93A0B8;
  --warn: #FFB4C8;
  --btn-text: #F4F8FF;
  --fallback: #121A2E;
  --shadow: 0 10px 30px rgba(0,0,0,.28);
  --glow: 0 0 24px rgba(47,107,255,.45);
  --radius: 12px;
  --pad: 64px;
  --max: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; font-size: 16px; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { font-size: 38px; line-height: 1.28; margin: 0 0 12px; font-weight: 700; letter-spacing: 0; }
h2 { font-size: 24px; line-height: 1.35; margin: 0 0 12px; font-weight: 700; }
h3 { font-size: 17px; line-height: 1.45; margin: 0 0 6px; font-weight: 650; }
p { margin: 0; }
::selection { background: var(--blue); color: var(--btn-text); }
:focus { outline: none; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.glass {
  background: var(--fallback);
  border: 1px solid var(--glass-line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}
@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass {
    background: var(--glass);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
  }
}
header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(7,11,20,.92);
  border-bottom: 1px solid var(--glass-line);
}
@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  header { -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
}
.agebar {
  background: #0a1020;
  color: var(--warn);
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
  padding: 6px 16px;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}
.logo {
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  max-width: 16em;
}
.logo:hover { color: var(--cyan); }
.tabbar {
  display: flex;
  gap: 8px;
  padding: 0 0 12px;
  overflow-x: auto;
  flex-wrap: nowrap;
  scrollbar-width: none;
}
.tabbar::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--glass-line);
  background: var(--glass);
  color: var(--text);
  transition: background .2s ease, transform .2s ease, border-color .2s ease;
}
.chip:hover { border-color: var(--cyan); transform: translateY(-2px); }
.chip:active { transform: translateY(1px); }
.chip.is-on { background: var(--blue); border-color: transparent; color: var(--btn-text); box-shadow: var(--glow); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  background: var(--blue);
  color: var(--btn-text);
  box-shadow: var(--glow);
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover { background: var(--blue-hover); transform: translateY(-2px); box-shadow: 0 0 36px rgba(47,107,255,.62); }
.btn:active { transform: translateY(1px); box-shadow: 0 0 12px rgba(47,107,255,.35); }
.btn-ghost {
  background: rgba(16,24,42,.72);
  color: var(--text);
  border: 1px solid var(--glass-line);
  box-shadow: none;
}
.btn-ghost:hover { background: #18243d; color: var(--btn-text); border-color: var(--cyan); box-shadow: 0 0 18px rgba(62,224,255,.25); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 28px;
  align-items: center;
}
.sub { font-size: 18px; margin-bottom: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 6px 6px 16px;
  border-radius: 999px;
  border: 1px solid var(--glass-line);
  background: var(--fallback);
}
@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .search { background: var(--glass); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
}
.search:focus-within { outline: 2px solid var(--cyan); outline-offset: 2px; }
.search input {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  border: 0;
  background: transparent;
  color: var(--text);
}
.search input::placeholder { color: var(--muted); }
.search input:focus { outline: none; }
.lead { margin-top: 28px; max-width: 980px; color: var(--text); }
.screen {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(420px 180px at 30% 40%, rgba(62,224,255,.18), transparent 70%),
    linear-gradient(165deg, #1a3e86 0%, #0c1730 48%, #10182a 100%);
}
.screen:before, .screen:after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 9%;
  background: #05070e;
  z-index: 2;
}
.screen:before { top: 0; }
.screen:after { bottom: 0; }
.live {
  position: absolute;
  top: 14%;
  left: 16px;
  z-index: 3;
  background: var(--magenta);
  color: #fff;
  font-size: 12px;
  line-height: 20px;
  padding: 0 8px;
  border-radius: 999px;
}
.play {
  position: absolute;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: var(--glow);
  z-index: 3;
}
.play:after {
  content: "";
  position: absolute;
  left: 28px;
  top: 22px;
  border-style: solid;
  border-width: 12px 0 12px 18px;
  border-color: transparent transparent transparent var(--btn-text);
}
.timecode {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14%;
  display: flex;
  justify-content: space-between;
  z-index: 3;
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, Consolas, Menlo, monospace;
  font-size: 12px;
  color: var(--muted);
}
.bar, .meter {
  height: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,.16);
  overflow: hidden;
}
.screen .bar {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: calc(14% - 10px);
  z-index: 3;
}
.bar i, .meter span {
  display: block;
  height: 100%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(62,224,255,.85);
}
section { padding: var(--pad) 0; }
section:nth-child(even) { background: var(--elev-2); }
.intro { color: var(--text); margin-bottom: 20px; max-width: 900px; }
.compare { overflow: hidden; }
.compare-head, .compare-row {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 16px;
  padding: 14px 18px;
}
.compare-head { color: var(--muted); font-size: 14px; border-bottom: 1px solid var(--glass-line); }
.compare-row + .compare-row { border-top: 1px solid rgba(160,190,255,.12); }
.compare-row strong { font-weight: 650; }
.path, .steps { list-style: none; margin: 0; padding: 0; }
.path {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.path li {
  position: relative;
  padding: 18px 16px 16px;
  min-height: 132px;
}
.path b {
  display: block;
  color: var(--cyan);
  font-size: 14px;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.steps {
  display: flex;
  gap: 0;
  counter-reset: step;
}
.steps li {
  flex: 1;
  position: relative;
  text-align: center;
  padding: 52px 10px 8px;
}
.steps li:before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  color: var(--btn-text);
  box-shadow: var(--glow);
  font-family: ui-monospace, Consolas, monospace;
}
.steps li:after {
  content: "";
  position: absolute;
  top: 17px;
  left: calc(50% + 24px);
  right: calc(-50% + 24px);
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(62,224,255,.15));
}
.steps li:last-child:after { display: none; }
.film {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 8px;
}
.card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  display: block;
  color: inherit;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--glass-line);
  background: var(--fallback);
  box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}
@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .card { background: var(--glass); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
}
.card:hover { transform: translateY(-2px); border-color: rgba(62,224,255,.55); }
.card[hidden] { display: none !important; }
.media { position: relative; aspect-ratio: 16/9; }
.card:nth-child(1) .media { background: linear-gradient(160deg, #1d4ed8, #0e1b36 70%); }
.card:nth-child(2) .media { background: linear-gradient(200deg, #12315f, #0b2238 40%, #14532d00 100%), linear-gradient(160deg, #0e7490, #10182a); }
.card:nth-child(3) .media { background: linear-gradient(145deg, #2563eb, #0b1224 65%); }
.card:nth-child(4) .media { background: linear-gradient(180deg, #1e3a8a, #111827 80%); }
.card:nth-child(5) .media { background: linear-gradient(120deg, #0f2748, #164e63); }
.card:nth-child(6) .media { background: linear-gradient(210deg, #1d4ed8, #172033); }
.media .play { width: 48px; height: 48px; top: 50%; }
.media .play:after { left: 19px; top: 14px; border-width: 9px 0 9px 14px; }
.media .bar { position: absolute; left: 12px; right: 12px; bottom: 10px; }
.badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  background: var(--magenta);
  color: #fff;
  font-size: 12px;
  line-height: 20px;
  padding: 0 8px;
  border-radius: 999px;
}
.card-body { padding: 14px 16px 16px; }
.meta {
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, Consolas, Menlo, monospace;
}
.more { margin-top: 16px; }
.more a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--cyan);
  border-bottom: 1px solid transparent;
}
.more a:hover { border-bottom-color: var(--cyan); }
.empty {
  margin-top: 16px;
  padding: 28px 16px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--glass-line);
  border-radius: var(--radius);
  background: var(--glass);
}
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stat { padding: 20px 18px; }
.num {
  font-family: ui-monospace, Consolas, Menlo, monospace;
  font-variant-numeric: tabular-nums;
  font-size: 48px;
  line-height: 1.1;
  color: var(--btn-text);
  margin-bottom: 8px;
}
.stat p { color: var(--muted); }
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: start; }
.quote { padding: 18px; }
.quotes .quote:nth-child(2) { margin-top: 28px; }
.quotes .quote:nth-child(3) { margin-top: 10px; }
.quote p { font-size: 16px; }
.who { display: block; margin-top: 12px; color: var(--cyan); font-size: 13px; }
.people { display: grid; grid-template-columns: 1.25fr .9fr 1fr 1.15fr; gap: 16px; }
.person { padding: 18px 16px; border-radius: var(--radius); border: 1px solid var(--glass-line); background: var(--fallback); box-shadow: var(--shadow); }
@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .person { background: var(--glass); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
}
.person span {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--blue);
  color: var(--btn-text);
  font-size: 14px;
  margin-bottom: 10px;
}
.scene-grid { display: grid; grid-template-columns: 1.45fr .8fr; gap: 16px; }
.scene { padding: 20px; min-height: 210px; display: flex; flex-direction: column; justify-content: space-between; gap: 16px; }
.scene a { color: var(--cyan); min-height: 44px; display: inline-flex; align-items: center; }
.timeline { margin: 0; padding: 0; list-style: none; border-left: 2px solid rgba(62,224,255,.45); }
.timeline li { position: relative; padding: 0 0 22px 22px; }
.timeline li:before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(62,224,255,.8);
  position: absolute;
  left: -6px;
  top: 8px;
}
.date { color: var(--cyan); font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.timeline a:hover h3 { color: var(--cyan); }
.meters { display: flex; flex-direction: column; gap: 18px; }
.meter-row { display: grid; grid-template-columns: 160px 1fr 64px; gap: 12px; align-items: center; }
.pct { font-family: ui-monospace, Consolas, monospace; color: var(--cyan); text-align: right; }
.entry-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.entry {
  min-height: 96px;
  border-radius: 999px;
  border: 1px solid var(--glass-line);
  background: var(--glass);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 16px 28px;
  transition: background .2s ease, transform .2s ease;
}
.entry strong { font-size: 20px; }
.entry span { color: var(--muted); }
.entry:hover { background: var(--blue); color: var(--btn-text); transform: translateY(-2px); box-shadow: var(--glow); }
.entry:hover span { color: var(--btn-text); }
.entry:active { transform: translateY(1px); }
.bento { display: grid; grid-template-columns: 1.3fr 1fr 1fr; grid-auto-rows: minmax(140px, auto); gap: 16px; }
.bento a {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  min-height: 160px;
}
.bento a:nth-child(1) { grid-row: 1 / span 2; min-height: 336px; background: linear-gradient(180deg, rgba(47,107,255,.28), rgba(16,24,42,.2)); }
.bento a:nth-child(5) { grid-column: 2 / span 2; }
.bento a:hover { border-color: var(--cyan); }
.bento p { color: var(--muted); margin-top: 6px; }
.faq { display: flex; flex-direction: column; gap: 10px; }
details { padding: 0 16px; }
summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary:after { content: "+"; margin-left: auto; color: var(--cyan); font-size: 20px; }
details[open] summary:after { content: "–"; }
details p { color: var(--muted); padding: 0 0 14px; }
.closer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 24px;
  background: var(--elev);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  box-shadow: 0 0 32px rgba(47,107,255,.35);
}
footer {
  background: #080d18;
  border-top: 1px solid var(--glass-line);
  padding: 40px 0 28px;
}
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-grid h2 { font-size: 16px; }
.footer-grid ul { margin: 8px 0 0; padding: 0; list-style: none; }
.footer-grid li { margin: 4px 0; }
.footer-grid a { color: var(--muted); display: inline-flex; min-height: 36px; align-items: center; }
.footer-grid a:hover { color: var(--cyan); }
.warn { color: var(--warn); font-size: 14px; }
.copyline {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--glass-line);
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 1200px) {
  :root { --max: 1120px; }
}
@media (max-width: 992px) {
  .hero-grid, .scene-grid, .bento { grid-template-columns: 1fr; }
  .bento a:nth-child(1), .bento a:nth-child(5) { grid-row: auto; grid-column: auto; min-height: 160px; }
  .people { grid-template-columns: 1fr 1fr; }
  .meter-row { grid-template-columns: 120px 1fr 56px; }
}
@media (max-width: 768px) {
  :root { --pad: 36px; }
  h1 { font-size: 32px; }
  h2 { font-size: 22px; }
  .logo { width: 8em; font-size: 15px; line-height: 1.25; white-space: normal; }
  .stats, .quotes, .path, .people, .entry-row, .footer-grid { grid-template-columns: 1fr; }
  .quotes .quote { margin-top: 0 !important; }
  .film { flex-direction: column; overflow: visible; }
  .card { flex: 1 1 auto; width: 100%; }
  .steps { flex-direction: column; gap: 8px; }
  .steps li { text-align: left; padding: 4px 0 16px 52px; }
  .steps li:before { left: 0; top: 0; transform: none; }
  .steps li:after { display: none; }
  .glass, .card, .person, .search {
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
  }
  .meter-row { grid-template-columns: 1fr; gap: 4px; }
  .pct { text-align: left; }
}
@media (max-width: 480px) {
  .container { width: calc(100% - 28px); }
  .hero-actions, .closer { flex-direction: column; align-items: stretch; }
  .search { flex-direction: column; align-items: stretch; border-radius: 16px; padding: 10px; }
  .compare-head, .compare-row { grid-template-columns: 1fr; gap: 4px; }
  .num { font-size: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
 --blue: #2F6BFF;
 --blue-hover: #4C82FF;
 --cyan: #3EE0FF;
 --magenta: #FF4D86;
 --bg: #070B14;
 --elev: #10182A;
 --elev-2: #0C1324;
 --glass: rgba(255,255,255,.08);
 --glass-line: rgba(160,190,255,.22);
 --text: #E7EEF9;
 --muted: #93A0B8;
 --warn: #FFB4C8;
 --btn-text: #F4F8FF;
 --fallback: #121A2E;
 --shadow: 0 10px 30px rgba(0,0,0,.28);
 --glow: 0 0 24px rgba(47,107,255,.45);
 --radius: 12px;
 --pad: 64px;
 --max: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 color: var(--text);
 background: var(--bg);
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; font-size: 16px; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible {
 outline: 2px solid var(--cyan);
 outline-offset: 3px;
}
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.sr {
 position: absolute;
 width: 1px;
 height: 1px;
 padding: 0;
 margin: -1px;
 overflow: hidden;
 clip: rect(0,0,0,0);
 border: 0;
}
header {
 position: sticky;
 top: 0;
 z-index: 30;
 background: rgba(7,11,20,.92);
 border-bottom: 1px solid var(--glass-line);
 -webkit-backdrop-filter: blur(16px);
 backdrop-filter: blur(16px);
}
.agebar {
 color: var(--warn);
 font-size: 12px;
 line-height: 1.6;
 text-align: center;
 padding: 6px 16px;
 background: #0a101c;
 border-bottom: 1px solid var(--glass-line);
}
.topbar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 min-height: 68px;
}
.logo {
 color: var(--text);
 font-size: 18px;
 font-weight: 700;
 line-height: 1.3;
 max-width: 16em;
}
.logo:hover { color: var(--cyan); }
.tabwrap { padding-bottom: 12px; }
.tabbar {
 display: flex;
 gap: 8px;
 overflow-x: auto;
 flex-wrap: nowrap;
 scrollbar-width: none;
}
.tabbar::-webkit-scrollbar { display: none; }
.chip {
 flex: 0 0 auto;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: 999px;
 border: 1px solid var(--glass-line);
 background: var(--glass);
 color: var(--text);
 cursor: pointer;
 white-space: nowrap;
 transition: background .2s ease, transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.chip:hover { border-color: var(--cyan); transform: translateY(-2px); }
.chip:active { transform: translateY(1px); }
.chip.is-on {
 background: var(--blue);
 border-color: transparent;
 color: var(--btn-text);
 box-shadow: var(--glow);
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 22px;
 border: 0;
 border-radius: 999px;
 background: var(--blue);
 color: var(--btn-text);
 box-shadow: var(--glow);
 cursor: pointer;
 white-space: nowrap;
 transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover { background: var(--blue-hover); transform: translateY(-2px); box-shadow: 0 0 36px rgba(47,107,255,.62); }
.btn:active { transform: translateY(1px); box-shadow: 0 0 12px rgba(47,107,255,.35); }
.btn-ghost {
 background: rgba(16,24,42,.72);
 color: var(--text);
 border: 1px solid var(--glass-line);
 box-shadow: none;
}
.btn-ghost:hover { background: #18243d; color: var(--btn-text); border-color: var(--cyan); box-shadow: 0 0 18px rgba(62,224,255,.25); }
.search {
 display: flex;
 align-items: center;
 gap: 8px;
 margin-top: 16px;
 max-width: 560px;
 padding: 6px 6px 6px 16px;
 border-radius: 999px;
 border: 1px solid var(--glass-line);
 background: var(--glass);
 -webkit-backdrop-filter: blur(16px);
 backdrop-filter: blur(16px);
}
.search:focus-within { outline: 2px solid var(--cyan); outline-offset: 2px; }
.search input {
 flex: 1;
 min-width: 0;
 min-height: 44px;
 border: 0;
 background: transparent;
 color: var(--text);
}
.search input::placeholder { color: var(--muted); }
.search input:focus { outline: none; }
main section { padding: var(--pad) 0; }
main section:nth-child(even) { background: var(--elev-2); }
h1 { font-size: 36px; line-height: 1.3; font-weight: 700; }
h2 { font-size: 24px; line-height: 1.4; font-weight: 700; margin-bottom: 16px; }
h3 { font-size: 17px; line-height: 1.45; font-weight: 650; }
.head-row {
 display: grid;
 grid-template-columns: 1.4fr .6fr;
 gap: 28px;
 align-items: end;
}
.countbox { text-align: right; }
.countbox strong {
 display: block;
 font-size: 40px;
 line-height: 1;
 color: var(--cyan);
 font-variant-numeric: tabular-nums;
 font-family: ui-monospace, Consolas, Menlo, monospace;
}
.countbox span {
 color: var(--muted);
 font-variant-numeric: tabular-nums;
 font-family: ui-monospace, Consolas, Menlo, monospace;
}
.countbox p { color: var(--muted); margin-top: 8px; }
.filters { display: flex; flex-direction: column; gap: 14px; }
.frow { display: flex; align-items: center; gap: 12px; }
.frow b {
 flex: 0 0 72px;
 color: var(--muted);
 font-weight: 500;
 font-size: 14px;
}
.fchips {
 display: flex;
 gap: 8px;
 overflow-x: auto;
 flex-wrap: nowrap;
 scrollbar-width: none;
 padding-bottom: 2px;
}
.fchips::-webkit-scrollbar { display: none; }
.vgrid {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 16px;
}
.card {
 display: block;
 color: inherit;
 overflow: hidden;
 border-radius: var(--radius);
 border: 1px solid var(--glass-line);
 background: var(--glass);
 box-shadow: var(--shadow);
 -webkit-backdrop-filter: blur(16px);
 backdrop-filter: blur(16px);
 transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); border-color: rgba(62,224,255,.55); }
.card[hidden] { display: none !important; }
.media { position: relative; aspect-ratio: 16/9; background: #10182A; }
.card:nth-child(1) .media { background: linear-gradient(160deg, #1d4ed8, #0e1b36 70%); }
.card:nth-child(2) .media { background: linear-gradient(200deg, #12315f, #0b2238 55%), linear-gradient(160deg, #0e7490, #10182a); }
.card:nth-child(3) .media { background: linear-gradient(145deg, #2563eb, #0b1224 65%); }
.card:nth-child(4) .media { background: linear-gradient(180deg, #1e3a8a, #111827 80%); }
.card:nth-child(5) .media { background: linear-gradient(120deg, #0f2748, #164e63); }
.card:nth-child(6) .media { background: linear-gradient(210deg, #1d4ed8, #172033); }
.card:nth-child(7) .media { background: linear-gradient(160deg, #1e40af, #0b1324 72%); }
.card:nth-child(8) .media { background: linear-gradient(190deg, #155e75, #10182a 68%); }
.card:nth-child(9) .media { background: linear-gradient(140deg, #1d4ed8, #0f172a 60%); }
.card:nth-child(10) .media { background: linear-gradient(180deg, #0e7490, #0b1220 75%); }
.card:nth-child(11) .media { background: linear-gradient(150deg, #1e3a8a, #111827); }
.card:nth-child(12) .media { background: linear-gradient(200deg, #2563eb, #0c1322 70%); }
.media .play {
 position: absolute;
 left: 50%;
 top: 50%;
 width: 48px;
 height: 48px;
 margin: -24px 0 0 -24px;
 border-radius: 50%;
 border: 1px solid var(--glass-line);
 background: rgba(7,11,20,.42);
 box-shadow: var(--glow);
}
.media .play:after {
 content: "";
 position: absolute;
 left: 19px;
 top: 14px;
 border-style: solid;
 border-width: 9px 0 9px 14px;
 border-color: transparent transparent transparent var(--btn-text);
}
.media .bar {
 position: absolute;
 left: 12px;
 right: 12px;
 bottom: 10px;
 height: 3px;
 border-radius: 999px;
 background: rgba(255,255,255,.22);
 overflow: hidden;
}
.media .bar i {
 display: block;
 height: 100%;
 background: var(--cyan);
 box-shadow: 0 0 8px rgba(62,224,255,.8);
}
.badge {
 position: absolute;
 top: 10px;
 left: 10px;
 z-index: 2;
 background: var(--magenta);
 color: #fff;
 font-size: 12px;
 line-height: 20px;
 padding: 0 8px;
 border-radius: 999px;
}
.card-body { padding: 14px 16px 16px; }
.meta {
 margin-top: 6px;
 color: var(--muted);
 font-size: 14px;
 font-variant-numeric: tabular-nums;
 font-family: ui-monospace, Consolas, Menlo, monospace;
}
.more { margin-top: 18px; }
.more a, .textbtn {
 display: inline-flex;
 align-items: center;
 min-height: 44px;
 color: var(--cyan);
 border-bottom: 1px solid transparent;
 background: transparent;
}
.more a:hover, .textbtn:hover { border-bottom-color: var(--cyan); }
.empty {
 margin-top: 16px;
 padding: 28px 16px;
 text-align: center;
 color: var(--muted);
 border-radius: var(--radius);
 border: 1px dashed var(--glass-line);
 background: rgba(255,255,255,.04);
}
.empty[hidden] { display: none; }
.prose { max-width: 720px; display: flex; flex-direction: column; gap: 8px; }
.prose p { color: var(--text); }
.deflist { display: flex; flex-direction: column; border: 1px solid var(--glass-line); border-radius: var(--radius); overflow: hidden; background: var(--glass); }
.deflist div {
 display: grid;
 grid-template-columns: 180px 1fr;
 gap: 16px;
 padding: 14px 18px;
}
.deflist div + div { border-top: 1px solid rgba(160,190,255,.12); }
.deflist dt { color: var(--cyan); font-weight: 650; }
.deflist dd { margin: 0; color: var(--text); }
.rail {
 display: flex;
 gap: 12px;
 overflow-x: auto;
 scroll-snap-type: x mandatory;
 padding-bottom: 6px;
}
.acard {
 flex: 0 0 260px;
 scroll-snap-align: start;
 display: flex;
 flex-direction: column;
 gap: 8px;
 min-height: 132px;
 padding: 16px;
 border-radius: var(--radius);
 border: 1px solid var(--glass-line);
 background: var(--glass);
 box-shadow: var(--shadow);
 transition: transform .2s ease, border-color .2s ease;
}
.acard:hover { transform: translateY(-2px); border-color: rgba(62,224,255,.55); }
.acard p { color: var(--muted); font-size: 14px; }
.faq { display: flex; flex-direction: column; gap: 10px; }
details {
 border: 1px solid var(--glass-line);
 border-radius: var(--radius);
 background: var(--fallback);
 padding: 4px 16px;
}
details[open] { border-color: rgba(62,224,255,.45); background: var(--glass); }
summary {
 min-height: 44px;
 display: flex;
 align-items: center;
 cursor: pointer;
 font-weight: 650;
 list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary:after {
 content: "";
 margin-left: auto;
 width: 8px;
 height: 8px;
 border-right: 2px solid var(--cyan);
 border-bottom: 2px solid var(--cyan);
 transform: rotate(45deg);
}
details[open] summary:after { transform: rotate(225deg); margin-top: 6px; }
details p { color: var(--muted); padding: 0 0 12px; }
.close-line { color: var(--text); margin-bottom: 8px; }
footer {
 padding: 36px 0 28px;
 background: #080d18;
 border-top: 1px solid var(--glass-line);
}
.brand {
 font-size: 18px;
 font-weight: 700;
 margin-bottom: 18px;
}
.footgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footgrid h2 { font-size: 16px; margin-bottom: 8px; }
.footgrid p, .footgrid a { color: var(--muted); }
.footgrid a { display: flex; align-items: center; min-height: 44px; }
.footgrid a:hover { color: var(--cyan); }
.copy {
 margin-top: 22px;
 color: var(--muted);
 font-size: 13px;
 font-variant-numeric: tabular-nums;
}
@media (max-width: 1200px) {
 .container { width: min(var(--max), calc(100% - 32px)); }
}
@media (max-width: 992px) {
 .vgrid { grid-template-columns: repeat(2, 1fr); }
 .head-row { grid-template-columns: 1fr auto; }
 .deflist div { grid-template-columns: 140px 1fr; }
}
@media (max-width: 768px) {
 :root { --pad: 36px; }
 header, .card, .search, .acard, details[open] {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
 }
 .card, .acard, .search, details { background: var(--fallback); }
 .vgrid, .head-row, .footgrid, .deflist div { grid-template-columns: 1fr; }
 .countbox, .countbox p { text-align: left; }
 .rail { flex-direction: column; overflow: visible; }
 .acard { flex: 1 1 auto; }
 h1 { font-size: 32px; }
 h2 { font-size: 22px; }
}
@media (max-width: 480px) {
 .logo { font-size: 15px; max-width: 8.2em; }
 .container { width: min(var(--max), calc(100% - 24px)); }
 .frow { align-items: flex-start; flex-direction: column; gap: 8px; }
 .search { padding-left: 12px; }
}

/* roulang page: category2 */
:root {
 --blue: #2F6BFF;
 --blue-hover: #4C82FF;
 --cyan: #3EE0FF;
 --magenta: #FF4D86;
 --bg: #070B14;
 --elev: #10182A;
 --elev-2: #0C1324;
 --glass: rgba(255,255,255,.08);
 --glass-line: rgba(160,190,255,.22);
 --text: #E7EEF9;
 --muted: #93A0B8;
 --warn: #FFB4C8;
 --btn-text: #F4F8FF;
 --fallback: #121A2E;
 --shadow: 0 10px 30px rgba(0,0,0,.28);
 --glow: 0 0 24px rgba(47,107,255,.45);
 --radius: 12px;
 --pad: 64px;
 --max: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 color: var(--text);
 background:
  radial-gradient(980px 380px at 88% -12%, rgba(47,107,255,.2), transparent 62%),
  var(--bg);
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; font-size: 16px; color: var(--text); }
input { color-scheme: dark; }
p { margin: 0 0 12px; }
h1, h2, h3 { margin: 0; font-weight: 700; line-height: 1.35; }
h1 { font-size: 36px; letter-spacing: 0; }
h2 { font-size: 24px; margin-bottom: 16px; }
h3 { font-size: 17px; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible {
 outline: 2px solid var(--cyan);
 outline-offset: 3px;
}
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
header {
 position: sticky;
 top: 0;
 z-index: 30;
 background: rgba(7,11,20,.92);
 border-bottom: 1px solid var(--glass-line);
 -webkit-backdrop-filter: blur(16px);
 backdrop-filter: blur(16px);
}
.adult-bar {
 margin: 0;
 padding: 4px 12px;
 text-align: center;
 font-size: 12px;
 line-height: 1.7;
 color: var(--warn);
 background: #090f1d;
 border-bottom: 1px solid rgba(255,180,200,.2);
}
.topbar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 min-height: 68px;
}
.logo {
 color: var(--text);
 font-size: 18px;
 font-weight: 700;
 line-height: 1.3;
 max-width: 16em;
}
.logo:hover { color: var(--cyan); }
.tab-wrap {
 overflow-x: auto;
 padding: 0 0 12px;
 scrollbar-width: thin;
}
.tabbar {
 display: inline-flex;
 gap: 8px;
 flex-wrap: nowrap;
 width: max-content;
 min-width: 100%;
 padding-bottom: 2px;
}
.chip {
 flex: 0 0 auto;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: 999px;
 border: 1px solid var(--glass-line);
 background: var(--glass);
 color: var(--text);
 transition: background .2s ease, transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.chip:hover { border-color: var(--cyan); transform: translateY(-2px); }
.chip:active { transform: translateY(1px); }
.chip.is-on {
 background: var(--blue);
 border-color: transparent;
 color: var(--btn-text);
 box-shadow: var(--glow);
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 22px;
 border: 0;
 border-radius: 999px;
 background: var(--blue);
 color: var(--btn-text);
 box-shadow: var(--glow);
 cursor: pointer;
 white-space: nowrap;
 transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover { background: var(--blue-hover); transform: translateY(-2px); box-shadow: 0 0 36px rgba(47,107,255,.62); }
.btn:active { transform: translateY(1px); box-shadow: 0 0 12px rgba(47,107,255,.35); }
.lightbar {
 height: 2px;
 background: linear-gradient(90deg, transparent, var(--cyan), var(--blue), transparent);
}
section { padding: var(--pad) 0; }
main section:nth-child(even) { background: var(--elev-2); }
#han-head {
 padding: 28px 0 8px;
 background: transparent;
}
.stat-line {
 display: flex;
 flex-wrap: wrap;
 gap: 8px 18px;
 margin: 10px 0 16px;
 color: var(--muted);
 font-size: 14px;
 font-variant-numeric: tabular-nums;
 font-family: ui-monospace, Consolas, Menlo, monospace;
}
.stat-line b { color: var(--text); font-weight: 650; }
.search {
 display: flex;
 align-items: center;
 gap: 8px;
 max-width: 720px;
 padding: 6px 6px 6px 16px;
 border-radius: 999px;
 border: 1px solid var(--glass-line);
 background: var(--glass);
 -webkit-backdrop-filter: blur(16px);
 backdrop-filter: blur(16px);
 box-shadow: var(--shadow);
}
.search:focus-within { outline: 2px solid var(--cyan); outline-offset: 2px; }
.search input {
 flex: 1;
 min-width: 0;
 min-height: 44px;
 border: 0;
 background: transparent;
 color: var(--text);
}
.search input::placeholder { color: var(--muted); }
.search input:focus { outline: none; }
.topic-row {
 display: flex;
 gap: 18px;
 flex-wrap: nowrap;
 overflow-x: auto;
 padding-bottom: 4px;
}
.text-anchor {
 flex: 0 0 auto;
 display: inline-flex;
 align-items: center;
 min-height: 44px;
 color: var(--text);
 border-bottom: 1px solid transparent;
}
.text-anchor:hover, .text-anchor.is-active { color: var(--cyan); border-bottom-color: var(--cyan); }
.lead-note { color: var(--muted); max-width: 720px; }
.sheet {
 border: 1px solid var(--glass-line);
 border-radius: var(--radius);
 background: var(--fallback);
 box-shadow: var(--shadow);
 overflow: hidden;
}
.sheet { background: var(--glass); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
.group-label {
 margin: 0;
 padding: 12px 16px 4px;
 color: var(--cyan);
 font-size: 14px;
 font-weight: 650;
}
.vrow {
 position: relative;
 display: grid;
 grid-template-columns: minmax(0, 1fr) auto;
 gap: 12px 18px;
 align-items: center;
 min-height: 58px;
 padding: 12px 16px 12px 18px;
 border-top: 1px solid rgba(160,190,255,.12);
 transition: background .2s ease, border-color .2s ease;
}
.vrow::before {
 content: "";
 position: absolute;
 left: 0;
 top: 12px;
 bottom: 12px;
 width: 2px;
 background: linear-gradient(var(--cyan), rgba(47,107,255,.2));
}
.vrow:hover { background: rgba(47,107,255,.12); }
.vtitle {
 display: flex;
 align-items: center;
 gap: 8px;
 min-height: 44px;
 font-size: 16px;
 font-weight: 650;
}
.vmeta {
 display: flex;
 gap: 14px;
 color: var(--muted);
 font-size: 14px;
 font-variant-numeric: tabular-nums;
 font-family: ui-monospace, Consolas, Menlo, monospace;
 white-space: nowrap;
}
.hot {
 flex: 0 0 auto;
 background: var(--magenta);
 color: #fff;
 font-size: 12px;
 line-height: 20px;
 padding: 0 8px;
 border-radius: 999px;
 font-weight: 650;
}
.more { margin: 14px 0 0; }
.more a, .article-list a, .foot a {
 display: inline-flex;
 align-items: center;
 min-height: 44px;
 color: var(--cyan);
 border-bottom: 1px solid transparent;
}
.more a:hover, .article-list a:hover, .foot a:hover { border-bottom-color: var(--cyan); }
.empty {
 margin-top: 14px;
 padding: 22px 18px;
 border-radius: var(--radius);
 border: 1px dashed var(--glass-line);
 background: rgba(255,255,255,.04);
 color: var(--text);
}
.note-list { margin: 0; padding: 0; list-style: none; max-width: 760px; }
.note-list li {
 padding: 12px 0;
 border-bottom: 1px solid rgba(160,190,255,.12);
}
.note-list strong { display: inline-block; min-width: 5em; color: var(--cyan); font-weight: 650; }
.meter-row {
 display: grid;
 grid-template-columns: 160px 1fr 64px;
 gap: 12px;
 align-items: center;
 margin: 12px 0;
}
.track {
 height: 4px;
 border-radius: 999px;
 background: rgba(160,190,255,.16);
 overflow: hidden;
}
.fill {
 display: block;
 height: 100%;
 border-radius: inherit;
 background: linear-gradient(90deg, var(--blue), var(--cyan));
 box-shadow: 0 0 12px rgba(62,224,255,.45);
}
.meta {
 color: var(--muted);
 font-size: 14px;
 font-variant-numeric: tabular-nums;
 font-family: ui-monospace, Consolas, Menlo, monospace;
}
.steps {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 12px;
 margin: 8px 0 0;
 padding: 0;
 list-style: none;
}
.steps li {
 min-height: 92px;
 padding: 16px;
 border-radius: var(--radius);
 border: 1px solid var(--glass-line);
 background: var(--glass);
 box-shadow: var(--shadow);
}
.steps span {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 28px;
 height: 28px;
 margin-bottom: 8px;
 border-radius: 999px;
 background: var(--blue);
 color: var(--btn-text);
 font-family: ui-monospace, Consolas, Menlo, monospace;
 box-shadow: var(--glow);
}
.steps p { margin: 0; }
.article-list { margin: 0; padding: 0; list-style: none; max-width: 680px; }
.article-list li { border-bottom: 1px solid rgba(160,190,255,.12); }
.qa {
 border-bottom: 1px solid rgba(160,190,255,.16);
}
.qa summary {
 cursor: pointer;
 min-height: 44px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 font-weight: 650;
 list-style: none;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--cyan); font-size: 20px; }
.qa[open] summary::after { content: "–"; }
.qa p { color: var(--muted); padding-bottom: 8px; }
footer {
 border-top: 1px solid var(--glass-line);
 padding: 36px 0 24px;
 background: #070b14;
}
.foot-brand { font-size: 18px; font-weight: 700; margin-bottom: 16px; }
.foot-grid { display: grid; grid-template-columns: 1.2fr 1fr .8fr; gap: 22px; }
.foot h2 { font-size: 16px; margin-bottom: 8px; }
.foot p, .foot li { color: var(--muted); }
.foot ul { margin: 0; padding: 0; list-style: none; }
.copy {
 margin-top: 22px;
 padding-top: 14px;
 border-top: 1px solid rgba(160,190,255,.12);
 color: var(--muted);
 font-size: 13px;
}
[hidden] { display: none !important; }
@media (max-width: 1200px) {
 .container { width: min(var(--max), calc(100% - 32px)); }
}
@media (max-width: 1024px) {
 h1 { font-size: 32px; }
 .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 992px) {
 .steps { grid-template-columns: 1fr; }
 .meter-row { grid-template-columns: 120px 1fr 56px; }
}
@media (max-width: 768px) {
 :root { --pad: 36px; }
 header, .search, .sheet, .steps li { -webkit-backdrop-filter: none; backdrop-filter: none; }
 .logo { max-width: 8em; }
 .meter-row, .foot-grid { grid-template-columns: 1fr; }
 .topic-row { gap: 14px; }
}
@media (max-width: 520px) {
 h1 { font-size: 28px; }
 h2 { font-size: 22px; }
 .vrow { grid-template-columns: 1fr; gap: 0; }
 .vmeta { padding-bottom: 4px; }
}
@media (max-width: 480px) {
 .container { width: calc(100% - 24px); }
 .logo { max-width: 6.2em; font-size: 15px; }
 .topbar { min-height: 60px; }
 .search { padding-left: 12px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 * { transition: none !important; }
}