/* roulang page: index */
:root {
  --bg: #12080C;
  --bg-2: #241018;
  --ink: #F6F0E8;
  --muted: #C9B8B0;
  --primary: #D4144A;
  --primary-2: #FF4D6D;
  --amber: #F0B429;
  --fuchsia: #FF2E88;
  --card: #2A121A;
  --line: rgba(246,240,232,.16);
  --shadow: 0 16px 40px rgba(40,0,16,.35);
  --radius: 28px;
  --grad: linear-gradient(125deg, #3A1020, #D4144A 55%, #F0B429);
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; font-size: 16px; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 52px; line-height: 1.18; font-weight: 800; letter-spacing: 0; }
h2 { font-size: 36px; line-height: 1.28; font-weight: 800; margin-bottom: 12px; }
h3 { font-size: 20px; line-height: 1.4; font-weight: 700; margin-bottom: 8px; }
p { margin-bottom: 0; }
a { color: var(--primary-2); text-underline-offset: 3px; }
a:hover { color: var(--amber); }
::selection { background: var(--primary); color: #fff; }
.grid-container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: #12080C;
  border-bottom: 1px solid var(--line);
}
.site-header .title-bar,
.site-header .top-bar {
  background: transparent;
  border: 0;
  color: var(--ink);
}
.site-header .title-bar { padding: 10px 0; }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 10px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
  max-width: 340px;
}
.brand:hover { color: #fff; }
.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 22px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--grad);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
}
.nav-cluster { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.pill, .text-link, .btn, .nav-toggle, summary {
  min-height: 44px;
}
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--amber);
  color: var(--ink);
  text-decoration: none;
  background: transparent;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease;
}
.pill:hover, .pill:focus-visible {
  color: #fff;
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  background: rgba(240,180,41,.12);
}
.pill:active { transform: translateY(1px); }
.pill.is-current { background: var(--grad); border-color: transparent; color: #fff; }
.text-link {
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
}
.text-link:hover { color: var(--amber); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 24px rgba(212,20,74,.28);
}
.btn-primary:hover, .btn-primary:focus-visible {
  color: #fff;
  transform: translateY(-4px);
  filter: brightness(1.08);
  box-shadow: 0 16px 32px rgba(212,20,74,.4);
}
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--amber);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  color: #fff;
  transform: translateY(-4px);
  background: rgba(240,180,41,.1);
  box-shadow: var(--shadow);
}
.btn-ghost:active { transform: translateY(1px); }
.nav-cta { min-width: 128px; }
.nav-toggle {
  width: 46px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}
.section { padding: 80px 0; background: var(--bg); }
.section-alt { background: var(--bg-2); }
.section-band {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(212,20,74,.28), transparent 46%),
    linear-gradient(180deg, #12080C, #2A1018 48%, #12080C);
}
.section-lead { max-width: 760px; color: var(--muted); margin-bottom: 28px; }
.hero {
  position: relative;
  padding: 72px 0 88px;
  background:
    radial-gradient(ellipse at 78% 38%, rgba(212,20,74,.48), transparent 42%),
    radial-gradient(ellipse at 90% 78%, rgba(240,180,41,.2), transparent 34%),
    var(--bg);
  overflow: hidden;
}
.kicker { color: var(--amber); font-weight: 700; margin-bottom: 10px; }
.sub { font-size: 18px; margin: 8px 0 14px; }
.hero-copy { color: var(--muted); max-width: 640px; margin-bottom: 22px; }
.hero-actions, .chip-row, .badge-row, .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-actions { margin-bottom: 18px; }
.chip-row .badge { background: transparent; }
.poster {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background:
    radial-gradient(circle at 50% 28%, rgba(240,180,41,.62), transparent 34%),
    linear-gradient(165deg, #3A1020 0%, #D4144A 46%, #1A0A10 82%);
  color: #fff;
}
.poster-23 { aspect-ratio: 2 / 3; width: 100%; }
.poster-169 { aspect-ratio: 16 / 9; width: 100%; }
.poster-b { background: radial-gradient(circle at 30% 20%, rgba(255,46,136,.55), transparent 36%), linear-gradient(160deg, #241018, #D4144A 40%, #12080C); }
.poster-c { background: radial-gradient(circle at 70% 24%, rgba(240,180,41,.5), transparent 32%), linear-gradient(200deg, #3A1020, #7A1838 50%, #12080C); }
.poster-d { background: radial-gradient(circle at 40% 70%, rgba(255,77,109,.45), transparent 40%), linear-gradient(145deg, #1A0A10, #D4144A 55%, #F0B429); }
.poster-e { background: linear-gradient(180deg, #3A1020, #12080C 70%); }
.play-mark {
  position: absolute;
  left: 50%;
  top: 42%;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 1px solid rgba(246,240,232,.45);
  background: rgba(18,8,12,.42);
  transform: translate(-50%, -50%);
}
.play-mark::after {
  content: "";
  position: absolute;
  left: 27px;
  top: 22px;
  border-style: solid;
  border-width: 12px 0 12px 18px;
  border-color: transparent transparent transparent #fff;
}
.poster-caption, .poster-badges {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: flex-end;
}
.poster-badges { justify-content: flex-end; }
.poster strong { font-size: 20px; text-shadow: 0 2px 8px rgba(0,0,0,.45); }
.badge, .stat-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
}
.badge {
  min-height: 28px;
  padding: 2px 10px;
  background: var(--grad);
  font-size: 12px;
  font-style: normal;
}
.badge-line { background: transparent; border: 1px solid var(--amber); color: var(--ink); }
.badge-hot { background: var(--fuchsia); }
.hero-poster { max-width: 380px; margin-left: auto; }
.metrics { padding-top: 0; }
.metrics-card {
  margin-top: -42px;
  position: relative;
  z-index: 2;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.metrics-title { font-size: 22px; margin-bottom: 14px; }
.stat-pill {
  flex: 1 1 180px;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-height: 78px;
  padding: 12px 18px;
  background: var(--grad);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.stat-pill b { font-size: 26px; line-height: 1.1; }
.stat-pill span { font-size: 13px; font-weight: 600; color: #fff; }
.card, .entry-card, .price-card, .case-row, .quote-card, .feature-news, .open-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card, .feature-news, .quote-card { padding: 22px; }
.card p, .feature-news p, .quote-card p, .case-row p, .entry-card p, .price-card p { color: var(--muted); }
.feature-main { min-height: 100%; display: flex; flex-direction: column; justify-content: space-between; gap: 18px; }
.fake-search {
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  color: var(--ink);
  background: #12080C;
}
.stack { display: flex; flex-direction: column; gap: 14px; }
.stack-card:nth-child(2) { margin-left: 22px; }
.stack-card:nth-child(3) { margin-left: 40px; }
.stack-card h3 { margin-bottom: 4px; }
.cap-list li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.cap-list li:last-child { border-bottom: 0; }
.cap-k {
  color: var(--amber);
  font-weight: 800;
}
.timeline { display: flex; gap: 14px; align-items: stretch; }
.time-item {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.time-item:nth-child(odd) { transform: translateY(26px); }
.time-no { color: var(--amber); font-weight: 800; display: block; margin-bottom: 6px; }
.device-stage { position: relative; min-height: 560px; }
.device-wide { width: 76%; margin-left: auto; }
.device-phone { position: absolute; left: 0; bottom: 10px; width: 27%; }
.device-pad {
  position: absolute;
  left: 24%;
  bottom: 46px;
  width: 32%;
  aspect-ratio: 3 / 4;
}
.demo-side { display: flex; flex-direction: column; gap: 12px; }
.demo-side .poster { min-height: 0; }
.entry-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  min-height: 320px;
  padding: 24px;
  text-decoration: none;
  color: #fff;
  transition: transform .2s ease, filter .2s ease, box-shadow .2s ease;
}
.entry-card p { color: #fff; }
.entry-card:hover { color: #fff; transform: translateY(-4px); filter: brightness(1.08); }
.entry-hd { background: linear-gradient(165deg, #3A1020, #D4144A 72%, #12080C); }
.entry-new { background: linear-gradient(200deg, #241018, #8A2048 40%, #F0B429); }
a.poster-link {
  display: block;
  text-decoration: none;
  color: #fff;
  transition: transform .2s ease, filter .2s ease;
}
a.poster-link:hover { color: #fff; transform: translateY(-4px); filter: brightness(1.06); }
.case-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  margin-bottom: 14px;
}
.case-no { font-size: 22px; font-weight: 800; color: var(--amber); }
.price-card { padding: 24px 22px 22px; position: relative; overflow: hidden; min-height: 100%; display: flex; flex-direction: column; gap: 8px; }
.price-card::before, .price-card::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg);
  top: 54%;
}
.price-card::before { left: -11px; }
.price-card::after { right: -11px; }
.price-card .days { color: var(--amber); font-weight: 700; }
.price-num { font-size: 40px; font-weight: 800; line-height: 1; margin: 8px 0; }
.price-card.is-year { background: var(--grad); color: #fff; }
.price-card.is-year p, .price-card.is-year .days { color: #fff; }
.price-card .btn { margin-top: auto; }
.review-card { padding: 18px; height: 100%; }
.stars { color: var(--amber); letter-spacing: 2px; display: block; margin-bottom: 8px; }
.review-card:nth-child(3n) { margin-top: 18px; }
.quote-card { font-size: 22px; font-weight: 700; line-height: 1.6; }
.quote-card p { color: var(--ink); }
.mini-stats { display: flex; flex-direction: column; gap: 12px; height: 100%; }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a {
  display: block;
  padding: 12px 0;
  text-decoration: none;
  color: var(--ink);
}
.news-list a:hover { color: var(--amber); }
.news-list small { display: block; color: var(--muted); }
.more-link { margin-top: 16px; }
.faq-item {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0 18px;
  margin-bottom: 12px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--amber); font-size: 24px; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); padding-bottom: 14px; }
.cta-band {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow);
}
.cta-band h2, .cta-band p { color: #fff; }
.cta-band p { max-width: 640px; }
.open-form { margin-top: 22px; padding: 22px; }
.open-form label { display: block; font-weight: 700; margin-bottom: 6px; }
.field { margin-bottom: 14px; }
.open-form input, .open-form select {
  width: 100%;
  background: #12080C;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  min-height: 48px;
  padding: 10px 12px;
}
.open-form input:focus, .open-form select:focus {
  border-color: var(--amber);
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}
.form-note { color: var(--muted); margin: 8px 0 14px; }
.site-footer {
  background: #0D0609;
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
}
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--amber); }
.foot-col { margin-bottom: 18px; }
.foot-col h3 { font-size: 16px; }
.foot-col a, .foot-col p { display: block; padding: 4px 0; }
.copyline { border-top: 1px solid var(--line); margin-top: 12px; padding-top: 16px; color: var(--muted); }
.mobile-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(18,8,12,.96);
  border-top: 1px solid var(--line);
}
@media (max-width: 1023px) {
  h1 { font-size: 42px; }
  h2 { font-size: 32px; }
  .stack-card:nth-child(2), .stack-card:nth-child(3) { margin-left: 0; }
  .device-stage { min-height: 480px; }
}
@media (max-width: 639px) {
  body { padding-bottom: 78px; }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .section, .hero { padding: 44px 0; }
  .card, .poster, .entry-card, .cta-band, .metrics-card, .price-card, .case-row, .quote-card, .feature-news, .time-item, .open-form { border-radius: 16px; }
  .title-bar { display: flex !important; align-items: center; justify-content: space-between; }
  #nav-menu { display: none; }
  .nav-inner { flex-direction: column; align-items: stretch; }
  .nav-inner .brand { display: none; }
  .nav-cluster { flex-direction: column; align-items: stretch; }
  .nav-cluster .pill, .nav-cluster .text-link, .nav-cluster .btn { width: 100%; }
  .hero-poster, .device-phone { max-width: 240px; }
  .metrics-card { margin-top: 16px; }
  .timeline, .cta-band, .case-row { display: flex; flex-direction: column; }
  .time-item:nth-child(odd) { transform: none; }
  .device-stage { min-height: 0; display: flex; flex-direction: column; gap: 12px; }
  .device-wide, .device-phone, .device-pad { position: static; width: 100%; max-width: none; }
  .device-phone { max-width: 220px; }
  .mobile-cta { display: block; }
  .review-card:nth-child(3n) { margin-top: 0; }
}
@media (min-width: 640px) {
  .title-bar { display: none !important; }
  #nav-menu { display: block !important; }
}
@media (max-width: 520px) {
  .grid-container { width: min(1160px, calc(100% - 20px)); }
  .brand { font-size: 15px; max-width: 230px; }
  .cap-list li { grid-template-columns: 1fr; gap: 4px; }
  .price-num { font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category2 */
:root {
 --bg: #12080C;
 --bg-2: #241018;
 --ink: #F6F0E8;
 --muted: #C9B8B0;
 --primary: #D4144A;
 --primary-2: #FF4D6D;
 --amber: #F0B429;
 --fuchsia: #FF2E88;
 --card: #2A121A;
 --line: rgba(246,240,232,.16);
 --shadow: 0 16px 40px rgba(40,0,16,.35);
 --radius: 28px;
 --grad: linear-gradient(125deg, #3A1020, #D4144A 55%, #F0B429);
 --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
/* category-new */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: var(--font);
 font-size: 17px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; font-size: 16px; color: var(--ink); }
p { margin: 0 0 12px; color: var(--muted); }
h1, h2, h3, strong { color: var(--ink); font-weight: 800; }
h1 { font-size: 40px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 36px; line-height: 1.3; margin: 0 0 14px; }
h3 { font-size: 20px; line-height: 1.4; margin: 0 0 8px; }
a { color: var(--primary-2); text-underline-offset: 3px; }
a:hover { color: var(--amber); }
.grid-container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 80;
 background: #12080C;
 border-bottom: 1px solid var(--line);
}
.site-header .title-bar,
.site-header .top-bar {
 background: transparent;
 border: 0;
 color: var(--ink);
 padding: 0;
}
.site-header .title-bar { display: none; padding: 10px 0; }
.nav-inner {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 width: 100%;
 padding: 10px 0;
}
.brand {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 color: var(--ink);
 text-decoration: none;
 font-weight: 800;
 font-size: 18px;
 line-height: 1.35;
 max-width: 340px;
}
.brand:hover { color: #fff; }
.age-badge {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-width: 40px;
 height: 22px;
 padding: 0 7px;
 border-radius: 999px;
 background: var(--grad);
 color: #fff;
 font-size: 12px;
 font-weight: 800;
 letter-spacing: .04em;
 flex: 0 0 auto;
}
.nav-cluster { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.pill, .text-link, .btn, .nav-toggle, .filter-tag {
 min-height: 44px;
}
.pill {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 padding: 0 16px;
 border-radius: 999px;
 border: 1px solid var(--amber);
 color: var(--ink);
 text-decoration: none;
 background: transparent;
 transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease;
}
.pill:hover, .pill:focus-visible {
 color: #fff;
 transform: translateY(-4px);
 box-shadow: var(--shadow);
 background: rgba(240,180,41,.12);
}
.pill:active { transform: translateY(1px); }
.pill.is-current { background: var(--grad); border-color: transparent; color: #fff; }
.text-link {
 display: inline-flex;
 align-items: center;
 padding: 0 8px;
 color: var(--ink);
 text-decoration: none;
 font-weight: 700;
}
.text-link:hover { color: var(--amber); }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 padding: 0 22px;
 border-radius: 999px;
 border: 1px solid transparent;
 text-decoration: none;
 font-weight: 700;
 cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease;
}
.btn-primary {
 background: var(--grad);
 color: #fff;
 box-shadow: 0 10px 24px rgba(212,20,74,.28);
}
.btn-primary:hover, .btn-primary:focus-visible {
 color: #fff;
 transform: translateY(-4px);
 filter: brightness(1.08);
 box-shadow: 0 16px 32px rgba(212,20,74,.4);
}
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
 background: transparent;
 color: var(--ink);
 border-color: var(--amber);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
 color: #fff;
 transform: translateY(-4px);
 background: rgba(240,180,41,.1);
 box-shadow: var(--shadow);
}
.btn-ghost:active { transform: translateY(1px); }
.nav-cta { min-width: 128px; }
.nav-toggle {
 width: 46px;
 height: 44px;
 border: 1px solid var(--line);
 border-radius: 12px;
 background: var(--card);
 display: inline-flex;
 flex-direction: column;
 justify-content: center;
 align-items: center;
 gap: 5px;
 padding: 0;
 cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
 outline: 2px solid var(--amber);
 outline-offset: 3px;
}
.section { padding: 80px 0; background: var(--bg); }
.section-alt { background: var(--bg-2); }
.section-band {
 background:
 radial-gradient(ellipse at 18% 0%, rgba(212,20,74,.28), transparent 46%),
 linear-gradient(180deg, #12080C, #2A1018 52%, #12080C);
}
.section-lead { max-width: 760px; margin-bottom: 22px; }
.head-band { padding: 36px 0 32px; border-bottom: 1px solid var(--line); }
.head-row { display: flex; align-items: center; gap: 18px; }
.head-date, .update-flag {
 flex: 0 0 auto;
 min-width: 92px;
 min-height: 72px;
 border-radius: 20px;
 display: flex;
 flex-direction: column;
 align-items: center;
 justify-content: center;
 background: var(--grad);
 color: #fff;
 box-shadow: var(--shadow);
}
.head-date b { font-size: 22px; line-height: 1.1; }
.head-date span, .update-flag span { font-size: 13px; font-weight: 700; }
.update-flag { background: transparent; border: 1px solid var(--amber); color: var(--ink); box-shadow: none; }
.head-main { flex: 1 1 auto; min-width: 0; }
.head-main p { margin: 0; }
.badge, .stat-pill {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 border-radius: 999px;
 color: #fff;
 font-weight: 700;
}
.badge {
 min-height: 28px;
 padding: 2px 10px;
 background: var(--grad);
 font-size: 12px;
 font-style: normal;
}
.badge-line { background: transparent; border: 1px solid var(--amber); color: var(--ink); }
.badge-hot { background: var(--fuchsia); }
.meta-row, .cta-actions, .chip-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.time-list { display: flex; flex-direction: column; gap: 14px; }
.time-row {
 display: grid;
 grid-template-columns: 108px minmax(0, 1fr) 220px;
 gap: 18px;
 align-items: center;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px 18px;
 transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.time-row:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(40,0,16,.48); border-color: rgba(240,180,41,.45); }
.time-date { display: flex; flex-direction: column; gap: 4px; }
.time-date b { font-size: 22px; line-height: 1.1; color: var(--amber); }
.time-date span { color: var(--muted); font-size: 13px; }
.time-copy h3 { font-size: 22px; }
.time-copy p { margin: 0 0 8px; }
.frame-16, .frame-wide {
 position: relative;
 width: 100%;
 aspect-ratio: 16 / 9;
 border-radius: 16px;
 overflow: hidden;
 border: 1px solid var(--line);
 background:
 radial-gradient(circle at 28% 30%, rgba(240,180,41,.5), transparent 42%),
 radial-gradient(circle at 78% 70%, rgba(255,46,136,.35), transparent 40%),
 linear-gradient(155deg, #3A1020, #D4144A 58%, #241018);
 display: flex;
 align-items: flex-end;
 padding: 10px;
 color: #fff;
 font-weight: 800;
}
.frame-16 i, .frame-wide i {
 position: absolute;
 left: 10px;
 top: 10px;
 font-style: normal;
}
.more-wrap { margin-top: 18px; }
.focus-card {
 display: grid;
 grid-template-columns: minmax(0, 1.4fr) minmax(240px, .8fr);
 gap: 22px;
 align-items: center;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
}
.focus-card p { max-width: 640px; }
.filter-board {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
 display: grid;
 gap: 16px;
}
.tag-group { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.tag-name { min-width: 52px; font-weight: 800; color: var(--amber); }
.filter-tag {
 border-radius: 999px;
 border: 1px solid var(--amber);
 background: transparent;
 color: var(--ink);
 padding: 0 16px;
 cursor: pointer;
 font-weight: 700;
 transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.filter-tag:hover, .filter-tag:focus-visible { transform: translateY(-4px); background: rgba(240,180,41,.12); }
.filter-tag:active { transform: translateY(1px); }
.filter-tag.is-on { background: var(--grad); border-color: transparent; color: #fff; }
.note-card, .guide-item, .close-bar {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.note-card { padding: 22px 22px 10px; height: 100%; }
.note-list { list-style: none; margin: 0; padding: 0; }
.note-list li {
 position: relative;
 padding: 12px 0 12px 16px;
 border-top: 1px solid var(--line);
 color: var(--ink);
}
.note-list li:first-child { border-top: 0; }
.note-list li::before {
 content: "";
 position: absolute;
 left: 0;
 top: 22px;
 width: 7px;
 height: 7px;
 border-radius: 50%;
 background: var(--amber);
}
.guide-list { display: flex; flex-direction: column; gap: 12px; }
.guide-item {
 display: flex;
 justify-content: space-between;
 gap: 16px;
 align-items: center;
 padding: 16px 18px;
 text-decoration: none;
 color: var(--ink);
 transition: transform .2s ease, border-color .2s ease;
}
.guide-item:hover, .guide-item:focus-visible { transform: translateY(-4px); color: #fff; border-color: rgba(240,180,41,.5); }
.guide-item span { color: var(--muted); font-weight: 600; }
.close-bar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 padding: 26px;
 background:
 linear-gradient(125deg, rgba(58,16,32,.92), rgba(212,20,74,.72) 58%, rgba(240,180,41,.55)),
 var(--card);
}
.close-bar p { color: #F6F0E8; margin: 0; }
.empty-note {
 margin-top: 14px;
 padding: 14px 16px;
 border-radius: 16px;
 border: 1px dashed var(--amber);
 color: var(--ink);
}
.is-hidden { display: none !important; }
.mobile-dock { display: none; }
.site-footer {
 background: #0C0608;
 border-top: 1px solid var(--line);
 padding: 48px 0 28px;
 color: var(--muted);
}
.foot-col { margin-bottom: 18px; }
.foot-col h3 { font-size: 16px; margin: 0 0 10px; }
.foot-col p { margin-top: 10px; }
.foot-col a { display: block; color: var(--muted); text-decoration: none; padding: 4px 0; }
.foot-col a:hover { color: var(--amber); }
.copyline { margin: 12px 0 0; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
@media screen and (max-width: 1023px) {
 .time-row { grid-template-columns: 92px minmax(0, 1fr) 168px; }
 .focus-card { grid-template-columns: 1fr; }
 h1 { font-size: 32px; }
 h2 { font-size: 30px; }
}
@media screen and (max-width: 639px) {
 .site-header .title-bar { display: flex; align-items: center; justify-content: space-between; }
 .nav-inner { flex-direction: column; align-items: stretch; padding-bottom: 14px; }
 .nav-cluster { flex-direction: column; align-items: stretch; }
 .pill, .text-link, .nav-cta { width: 100%; }
 .brand { max-width: none; font-size: 16px; }
 .section { padding: 44px 0; }
 .head-band { padding: 28px 0 22px; }
 .head-row { flex-wrap: wrap; }
 .head-main { order: 3; flex: 1 1 100%; }
 h1 { font-size: 26px; }
 h2 { font-size: 24px; }
 .time-row, .focus-card, .note-card, .close-bar, .filter-board, .guide-item { border-radius: 16px; }
 .time-row { grid-template-columns: 1fr; }
 .guide-item { flex-direction: column; align-items: flex-start; }
 .close-bar { flex-direction: column; align-items: flex-start; }
 .mobile-dock {
 display: flex;
 position: fixed;
 left: 12px;
 right: 12px;
 bottom: 12px;
 z-index: 90;
 }
 body { padding-bottom: 76px; }
}

/* roulang page: category1 */
:root {
 --bg: #12080C;
 --bg-2: #241018;
 --ink: #F6F0E8;
 --muted: #C9B8B0;
 --primary: #D4144A;
 --primary-2: #FF4D6D;
 --amber: #F0B429;
 --fuchsia: #FF2E88;
 --card: #2A121A;
 --line: rgba(246,240,232,.16);
 --shadow: 0 16px 40px rgba(40,0,16,.35);
 --radius: 28px;
 --grad: linear-gradient(125deg, #3A1020, #D4144A 55%, #F0B429);
 --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
/* roulang page: category-hd */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: var(--font);
 font-size: 17px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; font-size: 16px; color: var(--ink); }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 800; line-height: 1.3; }
p { margin-bottom: 0; }
a { color: var(--primary-2); text-underline-offset: 3px; }
a:hover { color: var(--amber); }
.grid-container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 80;
 background: #12080C;
 border-bottom: 1px solid var(--line);
}
.site-header .title-bar,
.site-header .top-bar {
 background: transparent;
 border: 0;
 color: var(--ink);
}
.site-header .title-bar { padding: 10px 0; display: flex; align-items: center; justify-content: space-between; }
.nav-inner {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 width: 100%;
 padding: 10px 0;
}
.brand {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 color: var(--ink);
 text-decoration: none;
 font-weight: 800;
 font-size: 18px;
 line-height: 1.35;
 max-width: 420px;
}
.brand:hover { color: #fff; }
.age-badge {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-width: 40px;
 height: 22px;
 padding: 0 7px;
 border-radius: 999px;
 background: var(--grad);
 color: #fff;
 font-size: 12px;
 font-weight: 800;
 letter-spacing: .04em;
 flex: 0 0 auto;
}
.nav-cluster { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.pill, .text-link, .btn, .nav-toggle, summary { min-height: 44px; }
.pill {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 padding: 0 16px;
 border-radius: 999px;
 border: 1px solid var(--amber);
 color: var(--ink);
 text-decoration: none;
 background: transparent;
 transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease;
}
.pill:hover, .pill:focus-visible {
 color: #fff;
 transform: translateY(-4px);
 box-shadow: var(--shadow);
 background: rgba(240,180,41,.12);
}
.pill:active { transform: translateY(1px); }
.pill.is-current { background: var(--grad); border-color: transparent; color: #fff; }
.text-link {
 display: inline-flex;
 align-items: center;
 padding: 0 8px;
 color: var(--ink);
 text-decoration: none;
 font-weight: 700;
}
.text-link:hover { color: var(--amber); }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 padding: 0 22px;
 border-radius: 999px;
 border: 1px solid transparent;
 text-decoration: none;
 font-weight: 700;
 cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease;
}
.btn-primary {
 background: var(--grad);
 color: #fff;
 box-shadow: 0 10px 24px rgba(212,20,74,.28);
}
.btn-primary:hover, .btn-primary:focus-visible {
 color: #fff;
 transform: translateY(-4px);
 filter: brightness(1.08);
 box-shadow: 0 16px 32px rgba(212,20,74,.4);
}
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
 background: transparent;
 color: var(--ink);
 border-color: var(--amber);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
 color: #fff;
 transform: translateY(-4px);
 background: rgba(240,180,41,.1);
 box-shadow: var(--shadow);
}
.btn-ghost:active { transform: translateY(1px); }
.nav-cta { min-width: 128px; }
.nav-toggle {
 width: 46px;
 height: 44px;
 border: 1px solid var(--line);
 border-radius: 12px;
 background: var(--card);
 display: inline-flex;
 flex-direction: column;
 justify-content: center;
 align-items: center;
 gap: 5px;
 padding: 0;
 cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible {
 outline: 2px solid var(--amber);
 outline-offset: 3px;
}
.section { padding: 80px 0; background: var(--bg); }
.section-alt { background: var(--bg-2); }
.section-band {
 background:
 radial-gradient(ellipse at 18% 0%, rgba(212,20,74,.28), transparent 46%),
 linear-gradient(180deg, #12080C, #2A1018 52%, #12080C);
}
.section h2 { font-size: 36px; margin-bottom: 12px; }
.section-lead { max-width: 760px; color: var(--muted); margin-bottom: 28px; }
.cat-head { padding: 36px 0 32px; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.cat-head-inner { display: flex; justify-content: space-between; gap: 28px; align-items: flex-end; }
.cat-head h1 { font-size: 40px; margin-bottom: 10px; max-width: 16em; }
.cat-summary { color: var(--muted); max-width: 640px; }
.badge-stack { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; max-width: 360px; }
.badge, .stat-pill {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 border-radius: 999px;
 color: #fff;
 font-weight: 700;
}
.badge {
 min-height: 28px;
 padding: 2px 10px;
 background: var(--grad);
 font-size: 12px;
 font-style: normal;
}
.badge-line { background: transparent; border: 1px solid var(--amber); color: var(--ink); }
.badge-hot { background: var(--fuchsia); }
.poster-card, .quality-board, .step-board, .check-board, .article-link, .wide-focus {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.poster-card {
 padding: 12px 12px 16px;
 height: 100%;
 transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.poster-card:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(40,0,16,.48); filter: brightness(1.06); }
.poster-card:active { transform: translateY(1px); }
.poster-frame, .frame-169 {
 position: relative;
 overflow: hidden;
 border-radius: 22px;
 border: 1px solid var(--line);
}
.poster-frame { aspect-ratio: 2 / 3; }
.frame-169 { aspect-ratio: 16 / 9; }
.poster-frame::after, .wide-focus::after {
 content: "";
 position: absolute;
 left: 0; right: 0; bottom: 0;
 height: 46%;
 background: linear-gradient(transparent, rgba(18,8,12,.9));
}
.tone-a { background: radial-gradient(circle at 30% 20%, rgba(240,180,41,.55), transparent 36%), linear-gradient(165deg, #3A1020, #D4144A 48%, #1A0A10); }
.tone-b { background: radial-gradient(circle at 70% 24%, rgba(255,46,136,.45), transparent 34%), linear-gradient(180deg, #4A1830, #F0B429 120%); }
.tone-c { background: radial-gradient(circle at 40% 70%, rgba(212,20,74,.7), transparent 42%), linear-gradient(200deg, #241018, #FF4D6D 90%); }
.tone-d { background: linear-gradient(145deg, #12080C 10%, #7A1238 48%, #F0B429 140%); }
.tone-e { background: radial-gradient(circle at 50% 30%, rgba(246,240,232,.2), transparent 28%), linear-gradient(160deg, #3A1020, #241018 60%, #D4144A); }
.tone-f { background: linear-gradient(125deg, #3A1020, #D4144A 42%, #F0B429); }
.poster-mark {
 position: absolute;
 z-index: 1;
 left: 12px; right: 12px; bottom: 12px;
 display: flex;
 justify-content: space-between;
 gap: 8px;
 align-items: flex-end;
}
.poster-card h3 { font-size: 18px; margin: 12px 4px 4px; }
.card-note { color: var(--muted); font-size: 14px; margin: 0 4px; }
.more-row { display: flex; justify-content: flex-end; margin-top: 22px; }
.quality-board { padding: 22px; }
.tier-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.tier {
 flex: 1 1 140px;
 min-height: 78px;
 border-radius: 999px;
 border: 1px solid var(--amber);
 display: flex;
 flex-direction: column;
 align-items: flex-start;
 justify-content: center;
 padding: 10px 18px;
 color: var(--ink);
 background: transparent;
}
.tier em { font-style: normal; color: var(--muted); font-size: 13px; font-weight: 600; }
.tier-hot { background: var(--grad); border-color: transparent; color: #fff; }
.tier-hot em { color: #fff; }
.quality-copy { display: grid; grid-template-columns: 180px 1fr; gap: 22px; align-items: center; }
.quality-num {
 font-size: 42px;
 line-height: 1;
 font-weight: 800;
 background: var(--grad);
 -webkit-background-clip: text;
 background-clip: text;
 color: transparent;
}
.quality-copy p { color: var(--muted); }
.step-board { padding: 8px 22px 8px 28px; }
.step-list { list-style: none; margin: 0; padding: 18px 0 8px; }
.step-list li {
 position: relative;
 padding: 0 0 22px 26px;
 border-left: 2px solid rgba(240,180,41,.45);
}
.step-list li:last-child { border-left-color: transparent; padding-bottom: 8px; }
.step-list li::before {
 content: "";
 position: absolute;
 left: -7px;
 top: 6px;
 width: 12px;
 height: 12px;
 border-radius: 50%;
 background: var(--grad);
 box-shadow: 0 0 0 4px rgba(212,20,74,.25);
}
.step-list strong { display: block; font-size: 18px; }
.step-list span { color: var(--muted); }
.wide-focus {
 display: block;
 position: relative;
 overflow: hidden;
 min-height: 320px;
 aspect-ratio: 16 / 9;
 text-decoration: none;
 color: #fff;
 background:
 radial-gradient(circle at 78% 30%, rgba(240,180,41,.35), transparent 32%),
 linear-gradient(115deg, #3A1020, #D4144A 46%, #241018 78%);
}
.wide-focus:hover { color: #fff; filter: brightness(1.08); transform: translateY(-4px); }
.wide-focus:active { transform: translateY(1px); }
.wide-copy {
 position: absolute;
 z-index: 1;
 left: 28px; right: 28px; bottom: 24px;
 max-width: 680px;
}
.wide-copy h2 { font-size: 32px; margin-bottom: 8px; }
.wide-copy p { color: #F6F0E8; }
.check-board { padding: 8px 22px; }
.check-row {
 display: flex;
 gap: 18px;
 align-items: flex-start;
 padding: 18px 0;
 border-bottom: 1px solid var(--line);
}
.check-row:last-child { border-bottom: 0; }
.check-row strong { min-width: 72px; color: var(--amber); font-size: 18px; }
.check-row p { color: var(--muted); }
.article-list { display: flex; flex-direction: column; gap: 12px; }
.article-link {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 16px;
 padding: 16px 20px;
 color: var(--ink);
 text-decoration: none;
 border-radius: 18px;
 transition: transform .2s ease, box-shadow .2s ease, color .2s ease;
}
.article-link:hover { color: #fff; transform: translateY(-4px); }
.article-link:active { transform: translateY(1px); }
.article-link small { color: var(--amber); font-weight: 700; white-space: nowrap; }
.cta-strip {
 padding: 48px 0;
 background: linear-gradient(125deg, #3A1020, #6E1230 48%, #12080C);
 border-top: 1px solid var(--line);
 border-bottom: 1px solid var(--line);
}
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 22px; }
.cta-inner h2 { font-size: 32px; margin-bottom: 8px; }
.cta-inner p { color: var(--muted); max-width: 640px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.site-footer {
 background: #0D0609;
 border-top: 1px solid var(--line);
 padding: 48px 0 28px;
 color: var(--muted);
}
.foot-col { margin-bottom: 22px; }
.foot-col h3 { font-size: 16px; margin-bottom: 10px; }
.site-footer a { color: var(--ink); text-decoration: none; display: block; margin: 6px 0; }
.site-footer a.brand { display: inline-flex; margin-bottom: 8px; }
.site-footer a:hover { color: var(--amber); }
.copyline { margin-top: 12px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
input, select {
 width: 100%;
 background: #1A0C12;
 color: var(--ink);
 border: 1px solid var(--line);
 border-radius: 14px;
 min-height: 44px;
 padding: 8px 12px;
}
input:focus, select:focus { border-color: var(--amber); }
@media screen and (min-width: 640px) {
 .site-header .title-bar { display: none !important; }
 .site-header .top-bar { display: block !important; }
}
@media screen and (max-width: 1023px) {
 .section { padding: 64px 0; }
 .section h2, .cat-head h1, .wide-copy h2, .cta-inner h2 { font-size: 30px; }
 .quality-copy { grid-template-columns: 1fr; }
 .quality-num { font-size: 34px; }
}
@media screen and (max-width: 639px) {
 .section { padding: 44px 0; }
 .cat-head { padding: 28px 0 24px; }
 .cat-head-inner, .cta-inner, .check-row { flex-direction: column; align-items: flex-start; }
 .cat-head h1, .section h2, .wide-copy h2, .cta-inner h2 { font-size: 26px; }
 .badge-stack { justify-content: flex-start; max-width: none; }
 .poster-frame, .frame-169, .poster-card, .quality-board, .step-board, .check-board, .wide-focus { border-radius: 16px; }
 .wide-copy { left: 16px; right: 16px; bottom: 16px; }
 .cta-actions, .cta-actions .btn, .more-row .btn { width: 100%; }
 .nav-inner { flex-direction: column; align-items: stretch; }
 .nav-cluster { flex-direction: column; align-items: stretch; width: 100%; }
 .nav-cluster .pill, .nav-cluster .text-link, .nav-cluster .nav-cta { width: 100%; }
 .brand { max-width: calc(100% - 58px); }
 body { padding-bottom: 76px; }
 .nav-cta {
 position: fixed;
 left: 16px;
 right: 16px;
 bottom: 12px;
 z-index: 90;
 width: auto;
 box-shadow: 0 12px 28px rgba(40,0,16,.45);
 }
}
@media screen and (max-width: 520px) {
 .brand { font-size: 15px; }
 .grid-container { width: min(1160px, calc(100% - 20px)); }
 .tier { flex-basis: 100%; border-radius: 18px; }
}