/* roulang page: index */
:root {
  --bg: #0E0C12;
  --bg-alt: #16131C;
  --card: #221C2A;
  --text: #F6F1EA;
  --muted: #B7A8B8;
  --neon: #FF4D8D;
  --warm: #F6B15A;
  --line: #3C3348;
  --ink: #1A0A12;
  --radius: 15px;
  --shadow: 0 10px 28px rgba(48, 24, 40, 0.28);
  --pad: 76px;
  --max: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.8;
  padding-top: 78px;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}
::selection { background: var(--neon); color: var(--ink); }
.container-site {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: 12px;
  padding-right: 12px;
}
.site-nav {
  background: #0E0C12;
  border-bottom: 2px solid var(--neon);
  box-shadow: 0 8px 24px rgba(48, 24, 40, 0.35);
  min-height: 74px;
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 12px;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  color: var(--text);
  font-weight: 760;
  font-size: 16px;
  line-height: 1.25;
  letter-spacing: 0.02em;
  max-width: 11em;
}
.brand span { color: var(--neon); }
.menu-btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--neon);
  border-radius: 12px;
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.menu-btn i {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--neon);
  border-radius: 2px;
}
.navbar-nav { gap: 4px; }
.navbar-nav .nav-link {
  color: var(--text);
  font-size: 16px;
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 8px 12px;
  position: relative;
  background: transparent;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--neon);
}
.navbar-nav .nav-link.active {
  color: var(--neon);
}
.navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 2px;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
  border-radius: 2px;
}
.btn-neon, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn-neon {
  background: var(--neon);
  color: var(--ink);
  border: 1px solid var(--neon);
}
.btn-neon:hover {
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 0 18px rgba(255, 77, 141, 0.48);
}
.btn-neon:active { background: #c81e62; color: var(--text); transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--warm);
  border: 1px solid var(--warm);
}
.btn-ghost:hover {
  color: var(--warm);
  transform: translateY(-1px);
  box-shadow: 0 0 16px rgba(246, 177, 90, 0.35);
}
.btn-ghost:active { background: rgba(246, 177, 90, 0.12); transform: translateY(0); }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
section { padding: var(--pad) 0; }
.sec-a { background: var(--bg); }
.sec-b { background: var(--bg-alt); }
.sec-cta { background: #1B1622; }
.sec-title {
  font-size: 28px;
  line-height: 1.35;
  font-weight: 760;
  margin: 0 0 12px;
  color: var(--text);
}
.sec-desc {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 760px;
}
.hero-title {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 780;
  margin: 0 0 12px;
}
.hero-sub {
  margin: 0 0 14px;
  color: var(--warm);
  font-size: 18px;
  line-height: 1.7;
}
.hero-copy { margin: 0; color: var(--text); font-size: 16px; }
.scoreboard {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px;
}
.score-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.score-row:last-of-type { border-bottom: 0; }
.score-num {
  font-size: 32px;
  line-height: 1;
  color: var(--neon);
  font-weight: 780;
  letter-spacing: 0.02em;
}
.score-row:nth-child(2) .score-num { color: var(--warm); }
.score-label { color: var(--muted); font-size: 15px; }
.score-note {
  margin: 0;
  padding: 8px 16px 12px;
  color: var(--muted);
  font-size: 13px;
}
.lane {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.lane:last-child { border-bottom: 1px solid var(--line); }
.lane-no {
  font-size: 28px;
  line-height: 1;
  color: var(--neon);
  font-weight: 780;
  padding-top: 4px;
}
.lane h3, .sol-block h3, .step-item h3, .people-row h3, .news-item h3, .rank-row h3, .series-bar h3, .scene-cell h3, .channel-card h3, .compare-col h3, .time-list h3 {
  margin: 0 0 6px;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 720;
}
.lane p, .sol-block p, .step-item p, .quote p, .people-row p, .news-item p, .rank-row p, .series-bar p, .scene-cell p, .channel-card p, .compare-col p, .time-list p, .board-cell p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.sol-block, .step-item, .quote, .board-cell, .channel-card, .compare-col, .scene-cell {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.sol-block, .quote, .channel-card, .compare-col, .scene-cell, .board-cell {
  padding: 18px 18px 16px;
}
.sol-stack { display: grid; gap: 14px; }
.sol-block { border-left: 3px solid var(--neon); }
.sol-block:nth-child(2) { border-left-color: var(--warm); }
.step-rail, .quote-grid, .board-grid, .channel-grid, .compare, .metric-strip {
  display: grid;
  gap: 14px;
}
.step-item { padding: 18px; position: relative; }
.step-no {
  display: block;
  font-size: 34px;
  line-height: 1;
  color: var(--neon);
  font-weight: 780;
  margin-bottom: 8px;
}
.metric-strip { grid-template-columns: repeat(4, 1fr); }
.metric {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
  box-shadow: var(--shadow);
}
.metric b {
  display: block;
  font-size: 32px;
  line-height: 1.1;
  color: var(--warm);
  font-weight: 780;
}
.metric span { display: block; margin-top: 6px; color: var(--text); }
.metric small { color: var(--muted); font-size: 13px; }
.quote-grid { grid-template-columns: 1fr 1fr; }
.quote { border-top: 2px solid var(--neon); }
.quote cite { display: block; margin-top: 12px; color: var(--warm); font-style: normal; font-size: 14px; }
.people-row {
  display: grid;
  grid-template-columns: 86px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.people-row .idx { font-size: 26px; color: var(--neon); font-weight: 780; }
.news-list, .rank-list, .series-list, .time-list { list-style: none; margin: 0; padding: 0; }
.news-item, .rank-row {
  display: grid;
  gap: 8px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.news-item { grid-template-columns: 92px 1fr auto; align-items: center; }
.rank-row { grid-template-columns: 64px 1fr auto; align-items: center; }
.news-item time, .rank-no {
  color: var(--neon);
  font-weight: 760;
}
.rank-no { font-size: 26px; line-height: 1; }
.text-link { color: var(--warm); font-size: 14px; }
.text-link:hover { color: var(--neon); }
.board-grid { grid-template-columns: 1.3fr 1fr 1fr 1fr; }
.board-cell strong {
  display: block;
  font-size: 30px;
  color: var(--neon);
  line-height: 1.1;
  margin-bottom: 6px;
}
.board-cell:nth-child(2) strong, .board-cell:nth-child(4) strong { color: var(--warm); }
.series-bar {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  transition: transform .18s ease;
}
.series-bar:hover { transform: translateY(-3px); }
.series-head, .cell-top, .channel-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 6px;
}
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--neon);
  color: var(--neon);
  font-size: 12px;
  line-height: 1;
}
.chip-warm { border-color: var(--warm); color: var(--warm); }
.scene-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 14px;
}
.scene-wide { grid-column: span 2; }
.scene-cell:hover, .channel-card:hover, .quote:hover, .sol-block:hover, .metric:hover {
  transform: translateY(-3px);
  transition: transform .18s ease;
}
.channel-grid { grid-template-columns: 1.15fr 0.85fr; }
.channel-card { min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; }
.channel-card .go { color: var(--neon); font-weight: 700; }
.compare { grid-template-columns: 1fr 1fr; align-items: start; }
.meter { margin-top: 12px; }
.meter em {
  display: flex;
  justify-content: space-between;
  font-style: normal;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 4px;
}
.meter i {
  display: block;
  height: 8px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--neon), var(--warm));
  box-shadow: 0 0 10px rgba(255, 77, 141, 0.28);
}
.time-list { position: relative; }
.time-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  padding-bottom: 20px;
  position: relative;
}
.time-list li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: -4px;
  width: 1px;
  background: var(--line);
}
.time-list li:last-child::before { display: none; }
.dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
  margin-top: 6px;
  position: relative;
  z-index: 1;
}
.time-list li:nth-child(even) .dot { background: var(--warm); box-shadow: 0 0 10px var(--warm); }
.accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: var(--line); --bs-accordion-btn-focus-box-shadow: 0 0 0 2px rgba(255,77,141,.35); }
.accordion-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius) !important;
  overflow: hidden;
  margin-bottom: 12px;
}
.accordion-button {
  background: var(--card);
  color: var(--text);
  font-size: 17px;
  font-weight: 680;
  box-shadow: none;
  min-height: 58px;
  padding: 14px 18px;
}
.accordion-button:not(.collapsed) {
  background: #2A2234;
  color: var(--neon);
  box-shadow: none;
}
.accordion-button::after { filter: invert(1) sepia(1) saturate(4) hue-rotate(290deg); }
.accordion-body { color: var(--muted); font-size: 16px; line-height: 1.8; padding: 0 18px 16px; }
.cta-band {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 18px;
  align-items: center;
}
.site-footer {
  background: #0E0C12;
  border-top: 1px solid var(--line);
  padding: 36px 0 28px;
}
.foot-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}
.foot-brand { font-weight: 760; font-size: 18px; margin: 0 0 8px; }
.foot-brand span { color: var(--neon); }
.foot-note { margin: 0; color: var(--muted); font-size: 14px; max-width: 520px; }
.foot-links { display: flex; gap: 16px; flex-wrap: wrap; padding: 0; margin: 8px 0 0; list-style: none; }
.foot-links a { color: var(--muted); min-height: 44px; display: inline-flex; align-items: center; }
.foot-links a:hover { color: var(--neon); }
.copy { margin: 18px 0 0; color: var(--muted); font-size: 13px; }
@media (max-width: 1199.98px) {
  .board-grid { grid-template-columns: 1fr 1fr; }
  .metric-strip { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 768px) {
  .step-rail { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 992px) {
  .step-rail { grid-template-columns: repeat(4, 1fr); }
  #navPanel { display: flex !important; align-items: center; justify-content: flex-end; }
  .navbar-nav { flex-direction: row; align-items: center; margin-left: auto; }
  .btn-neon.nav-cta { margin-left: 12px; }
}
@media (max-width: 991.98px) {
  #navPanel {
    background: #16131C;
    border: 1px solid var(--line);
    border-radius: 16px;
    margin: 8px 0 12px;
    padding: 10px;
  }
  .navbar-nav .nav-link { width: 100%; }
  .btn-neon.nav-cta { width: 100%; margin-top: 8px; }
  .hero-title { font-size: 34px; }
  .cta-band, .channel-grid, .compare, .quote-grid { grid-template-columns: 1fr; }
  .news-item, .rank-row, .people-row { grid-template-columns: 1fr; align-items: start; }
  .scene-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 575.98px) {
  :root { --pad: 64px; }
  body { padding-top: 72px; font-size: 16px; }
  .container-site { padding-left: 12px; padding-right: 12px; }
  .hero-title { font-size: 32px; }
  .sec-title { font-size: 24px; }
  .brand { font-size: 14px; max-width: 9.2em; }
  .metric-strip, .board-grid, .step-rail, .scene-grid, .quote-grid { grid-template-columns: 1fr; }
  .scene-wide { grid-column: auto; }
  .lane { grid-template-columns: 48px 1fr; }
  .score-num, .metric b, .board-cell strong { font-size: 28px; }
  .foot-grid { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --bg: #0E0C12;
  --bg-alt: #16131C;
  --card: #221C2A;
  --text: #F6F1EA;
  --muted: #B7A8B8;
  --neon: #FF4D8D;
  --warm: #F6B15A;
  --line: #3C3348;
  --ink: #1A0A12;
  --radius: 15px;
  --shadow: 0 10px 28px rgba(48, 24, 40, 0.28);
  --pad: 76px;
  --max: 1140px;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.8;
  padding-top: 78px;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}
.container-site {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: 12px;
  padding-right: 12px;
}
.site-nav {
  background: #0E0C12;
  border-bottom: 2px solid var(--neon);
  box-shadow: 0 8px 24px rgba(48, 24, 40, 0.35);
  min-height: 74px;
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 12px;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  color: var(--text);
  font-weight: 760;
  font-size: 16px;
  line-height: 1.25;
  letter-spacing: 0.02em;
  max-width: 11em;
}
.brand span { color: var(--neon); }
.menu-btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--neon);
  border-radius: 12px;
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.menu-btn i {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--neon);
  border-radius: 2px;
}
.navbar-nav { gap: 4px; margin: 0; }
.navbar-nav .nav-link {
  color: var(--text);
  font-size: 16px;
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 8px 12px;
  position: relative;
  background: transparent;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus { color: var(--neon); }
.navbar-nav .nav-link.active { color: var(--neon); }
.navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 2px;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
  border-radius: 2px;
}
.btn-neon, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn-neon {
  background: var(--neon);
  color: var(--ink);
  border: 1px solid var(--neon);
}
.btn-neon:hover {
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 0 18px rgba(255, 77, 141, 0.48);
}
.btn-neon:active { background: #c81e62; color: var(--text); transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--warm);
  border: 1px solid var(--warm);
}
.btn-ghost:hover {
  color: var(--warm);
  transform: translateY(-1px);
  box-shadow: 0 0 16px rgba(246, 177, 90, 0.35);
}
.btn-ghost:active { background: rgba(246, 177, 90, 0.12); transform: translateY(0); }
.nav-cta { margin-left: 8px; }
section { padding: var(--pad) 0; }
.sec-a { background: var(--bg); }
.sec-b { background: var(--bg-alt); }
.sec-cta { background: #1B1622; }
.sec-title {
  font-size: 28px;
  line-height: 1.35;
  font-weight: 760;
  margin: 0 0 12px;
  color: var(--text);
}
.lead-line {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 40em;
}
.cat-head-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.75fr;
  gap: 28px;
  align-items: stretch;
}
.kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  margin-bottom: 12px;
  border-radius: 999px;
  border: 1px solid var(--warm);
  color: var(--warm);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.page-h1 {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 780;
  margin: 0 0 14px;
}
.count-board {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px 8px 4px;
}
.score-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}
.score-row:last-child { border-bottom: 0; }
.score-row span { color: var(--muted); font-size: 14px; }
.score-num {
  color: var(--neon);
  font-size: 28px;
  font-weight: 780;
  line-height: 1;
}
.score-row:nth-child(2) .score-num { color: var(--warm); }
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.filter-label {
  color: var(--warm);
  font-size: 14px;
  margin-right: 6px;
}
.filter-btn {
  min-height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.filter-btn:hover {
  transform: translateY(-1px);
  border-color: var(--neon);
  box-shadow: 0 0 14px rgba(255, 77, 141, 0.28);
}
.filter-btn:active { transform: translateY(0); background: #1a1522; }
.filter-btn.is-on {
  background: var(--neon);
  color: var(--ink);
  border-color: var(--neon);
}
.series-list, .rank-list, .news-list, .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.series-row, .rank-row, .news-item {
  display: grid;
  gap: 10px 16px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  margin-bottom: 12px;
  transition: transform .18s ease, border-color .18s ease;
}
.series-row {
  grid-template-columns: 72px 1fr auto auto;
  border-left: 3px solid var(--neon);
}
.series-row:hover, .rank-row:hover, .news-item:hover, .step-item:hover, .faq-item:hover {
  transform: translateY(-2px);
  border-color: #62485c;
}
.series-row.is-hide { display: none; }
.idx, .rank-no {
  color: var(--neon);
  font-weight: 780;
  font-size: 26px;
  line-height: 1;
}
.series-row h3, .rank-row h3, .news-item h3, .step-item h3 {
  margin: 0 0 4px;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 720;
}
.series-row p, .rank-row p, .news-item p, .step-item p, .faq-item p, .more-copy {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--neon);
  color: var(--neon);
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
}
.chip-warm { border-color: var(--warm); color: var(--warm); }
.chip-line { border-color: var(--line); color: var(--text); }
.text-link {
  color: var(--warm);
  font-size: 14px;
  font-weight: 700;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.text-link:hover { color: var(--neon); }
.meta-time { color: var(--muted); font-size: 13px; }
.rank-row { grid-template-columns: 72px 1fr auto; }
.rank-row:nth-child(1) { border-left: 3px solid var(--neon); }
.rank-row:nth-child(2) { border-left: 3px solid var(--warm); }
.rank-row:nth-child(n+3) { border-left: 3px solid var(--line); }
.step-rail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.step-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  align-items: start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  transition: transform .18s ease, border-color .18s ease;
}
.step-no {
  font-size: 36px;
  line-height: 1;
  font-weight: 780;
  color: var(--neon);
}
.news-item { grid-template-columns: 92px 1fr auto; }
.news-item time {
  color: var(--neon);
  font-weight: 760;
  font-size: 14px;
}
.more-band {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--warm);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 22px;
}
.more-band h2 { margin-bottom: 6px; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 12px;
  overflow: hidden;
  transition: transform .18s ease, border-color .18s ease;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  min-height: 56px;
  padding: 14px 18px;
  font-size: 18px;
  font-weight: 720;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--neon);
  font-size: 22px;
  line-height: 1;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item[open] summary { color: var(--neon); }
.faq-item p { padding: 0 18px 16px; }
.site-footer {
  background: #0E0C12;
  border-top: 2px solid var(--neon);
  padding: 42px 0 28px;
}
.foot-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}
.foot-brand {
  font-weight: 760;
  font-size: 18px;
  margin: 0 0 8px;
  line-height: 1.35;
}
.foot-brand span { color: var(--neon); }
.foot-note {
  color: var(--muted);
  margin: 0;
  max-width: 38em;
  font-size: 14px;
  line-height: 1.75;
}
.foot-links {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.foot-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text);
}
.foot-links a:hover { color: var(--neon); }
.copy {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
@media (min-width: 992px) {
  #navPanel {
    display: flex !important;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex: 1;
  }
  .navbar-nav { flex-direction: row; }
}
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: #0E0C12;
    border-top: 1px solid var(--line);
    padding: 8px 0 16px;
    flex-basis: 100%;
  }
  .nav-shell { flex-wrap: wrap; }
  .navbar-nav { width: 100%; }
  .navbar-nav .nav-link { padding: 10px 4px; }
  .nav-cta { margin: 8px 0 0; width: 100%; }
  .cat-head-grid { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 72px 1fr; }
  .news-item .text-link { grid-column: 2; }
}
@media (max-width: 767.98px) {
  :root { --pad: 64px; }
  .step-rail { grid-template-columns: 1fr; }
  .series-row, .rank-row { grid-template-columns: 56px 1fr; }
  .series-row .chip, .series-row .text-link, .rank-row .text-link { grid-column: 2; }
  .more-band { flex-direction: column; align-items: flex-start; }
  .foot-grid { flex-direction: column; }
}
@media (max-width: 575.98px) {
  .page-h1 { font-size: 32px; }
  .sec-title { font-size: 24px; }
  .container-site { padding-left: 12px; padding-right: 12px; }
  .series-row, .rank-row, .news-item, .step-item {
    grid-template-columns: 1fr;
  }
  .series-row .chip, .series-row .text-link, .rank-row .text-link, .news-item .text-link {
    grid-column: auto;
  }
  .idx, .rank-no, .step-no { font-size: 28px; }
  .faq-item summary { font-size: 16px; }
}

/* roulang page: category2 */
:root {
  --bg: #0E0C12;
  --bg-alt: #16131C;
  --card: #221C2A;
  --text: #F6F1EA;
  --muted: #B7A8B8;
  --neon: #FF4D8D;
  --warm: #F6B15A;
  --line: #3C3348;
  --ink: #1A0A12;
  --radius: 15px;
  --shadow: 0 10px 28px rgba(48, 24, 40, 0.28);
  --pad: 76px;
  --max: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.8;
  padding-top: 78px;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}
.container-site {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}
.site-nav {
  background: #0E0C12;
  border-bottom: 2px solid var(--neon);
  box-shadow: 0 8px 24px rgba(48, 24, 40, 0.35);
  min-height: 74px;
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 12px;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  color: var(--text);
  font-weight: 760;
  font-size: 16px;
  line-height: 1.25;
  letter-spacing: 0.02em;
  max-width: 11em;
}
.brand span { color: var(--neon); }
.menu-btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--neon);
  border-radius: 12px;
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.menu-btn i {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--neon);
  border-radius: 2px;
}
.navbar-nav { gap: 4px; margin: 0; padding: 0; list-style: none; }
.navbar-nav .nav-link {
  color: var(--text);
  font-size: 16px;
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 8px 12px;
  position: relative;
  background: transparent;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus { color: var(--neon); }
.navbar-nav .nav-link.active { color: var(--neon); }
.navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 2px;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
  border-radius: 2px;
}
.btn-neon, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn-neon {
  background: var(--neon);
  color: var(--ink);
  border: 1px solid var(--neon);
}
.btn-neon:hover {
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 0 18px rgba(255, 77, 141, 0.48);
}
.btn-neon:active { background: #c81e62; color: var(--text); transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--warm);
  border: 1px solid var(--warm);
}
.btn-ghost:hover {
  color: var(--warm);
  transform: translateY(-1px);
  box-shadow: 0 0 16px rgba(246, 177, 90, 0.35);
}
.btn-ghost:active { background: rgba(246, 177, 90, 0.12); transform: translateY(0); }
section { padding: var(--pad) 0; }
.sec-a { background: var(--bg); }
.sec-b { background: var(--bg-alt); }
.sec-end { background: #1B1622; }
.sec-title {
  font-size: 28px;
  line-height: 1.35;
  font-weight: 760;
  margin: 0 0 12px;
  color: var(--text);
}
.sec-lead {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 16px;
  max-width: 46em;
}
.kicker {
  margin: 0 0 8px;
  color: var(--warm);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.head-split {
  display: grid;
  grid-template-columns: 1.45fr 0.75fr;
  gap: 28px;
  align-items: end;
}
.page-title {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 780;
  margin: 0 0 12px;
}
.page-range {
  margin: 0;
  color: var(--text);
  font-size: 17px;
}
.count-board { display: grid; gap: 10px; }
.count-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
}
.count-item b {
  color: var(--neon);
  font-size: 28px;
  line-height: 1;
  font-weight: 780;
}
.count-item:nth-child(2) b { color: var(--warm); }
.count-item span { color: var(--muted); font-size: 14px; }
.group-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 14px;
}
.g-a { grid-column: 1 / 2; grid-row: 1 / 3; }
.g-b { grid-column: 2 / 4; }
.g-e { grid-column: 1 / 4; }
.scene-cell {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 168px;
  transition: transform .18s ease;
}
.scene-cell:hover { transform: translateY(-3px); }
.scene-cell h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 720;
}
.scene-cell p, .compare-col p, .order-item p, .doc-item p, .time-rail p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.cell-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  align-items: center;
}
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--neon);
  color: var(--neon);
  font-size: 12px;
  line-height: 1;
}
.chip-warm { border-color: var(--warm); color: var(--warm); }
.text-link { color: var(--warm); font-size: 14px; }
.text-link:hover { color: var(--neon); }
.more-row { margin-top: 18px; }
.time-wrap { max-width: 820px; }
.time-rail {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 8px;
  border-left: 2px solid var(--neon);
}
.time-rail li {
  position: relative;
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  padding: 0 0 22px 22px;
}
.time-rail li::before {
  content: "";
  position: absolute;
  left: -13px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
}
.time-rail time {
  color: var(--neon);
  font-weight: 760;
  font-size: 15px;
}
.time-rail h3 {
  margin: 0 0 4px;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 720;
}
.rank-list, .doc-list { list-style: none; margin: 0; padding: 0; }
.rank-row, .doc-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 8px 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.rank-no {
  color: var(--neon);
  font-weight: 780;
  font-size: 22px;
}
.rank-row h3, .doc-item h3 {
  margin: 0 0 4px;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 720;
}
.rank-row p, .doc-item p { margin: 0; color: var(--muted); font-size: 15px; }
.doc-item { grid-template-columns: 92px 1fr auto; }
.doc-item time { color: var(--warm); font-weight: 700; font-size: 14px; }
.doc-item h3 a:hover { color: var(--neon); }
.compare {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 14px;
}
.compare-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.compare-col h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 720;
}
.attr {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 8px 12px;
  align-items: center;
  margin-top: 12px;
}
.attr span { color: var(--text); font-size: 14px; }
.bar {
  height: 8px;
  border-radius: 999px;
  background: #120f16;
  border: 1px solid var(--line);
  overflow: hidden;
}
.bar i {
  display: block;
  height: 100%;
  background: var(--neon);
  border-radius: 999px;
}
.bar i.warm { background: var(--warm); }
.w78 { width: 78%; }
.w64 { width: 64%; }
.w52 { width: 52%; }
.w86 { width: 86%; }
.w41 { width: 41%; }
.order-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.order-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  min-height: 180px;
}
.order-no {
  display: block;
  color: var(--neon);
  font-size: 32px;
  font-weight: 780;
  line-height: 1;
  margin-bottom: 10px;
}
.order-item h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 720;
}
.site-faq .accordion-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius) !important;
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.site-faq .accordion-button {
  background: var(--card);
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
  min-height: 56px;
  box-shadow: none;
  gap: 12px;
}
.site-faq .accordion-button:not(.collapsed) {
  background: #2A2233;
  color: var(--neon);
  box-shadow: none;
}
.site-faq .accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}
.site-faq .accordion-button::after {
  background-image: none;
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--warm);
  border-bottom: 2px solid var(--warm);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.site-faq .accordion-button:not(.collapsed)::after {
  transform: rotate(225deg);
  border-color: var(--neon);
}
.site-faq .accordion-body {
  background: #1b1622;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  padding: 4px 18px 16px;
}
.site-footer {
  background: #0E0C12;
  border-top: 2px solid var(--neon);
  padding: 36px 0 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 24px;
  align-items: start;
}
.foot-brand { font-weight: 760; font-size: 18px; margin: 0 0 8px; }
.foot-brand span { color: var(--neon); }
.foot-note { color: var(--muted); margin: 0; font-size: 15px; }
.foot-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  justify-content: flex-end;
}
.foot-links a { min-height: 44px; display: inline-flex; align-items: center; }
.foot-links a:hover { color: var(--neon); }
.copy {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
@media (min-width: 992px) {
  .site-nav .navbar-collapse {
    display: flex !important;
    flex-basis: auto;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
  }
  .site-nav .navbar-nav {
    flex-direction: row;
    margin-left: auto;
  }
}
@media (max-width: 1199.98px) {
  :root { --pad: 68px; }
}
@media (max-width: 991.98px) {
  .nav-shell { flex-wrap: wrap; }
  #navPanel.navbar-collapse {
    flex: 0 0 100%;
    background: #0E0C12;
    border-top: 1px solid var(--line);
    padding-bottom: 12px;
  }
  .navbar-nav .nav-link { padding: 12px 4px; }
  .nav-cta { margin-top: 8px; }
  .head-split, .compare { grid-template-columns: 1fr; }
  .group-grid { grid-template-columns: 1fr 1fr; }
  .g-a, .g-b, .g-c, .g-d, .g-e { grid-column: auto; grid-row: auto; }
  .g-e { grid-column: 1 / -1; }
  .order-rail { grid-template-columns: 1fr 1fr; }
  .page-title { font-size: 34px; }
}
@media (max-width: 767.98px) {
  :root { --pad: 56px; }
  .sec-title { font-size: 24px; }
  .order-rail, .foot-grid { grid-template-columns: 1fr; }
  .foot-links { justify-content: flex-start; }
  .time-rail li, .doc-item, .rank-row { grid-template-columns: 72px 1fr; }
  .rank-row .text-link, .doc-item .text-link { grid-column: 2; }
}
@media (max-width: 575.98px) {
  body { font-size: 16px; }
  .container-site { padding-left: 12px; padding-right: 12px; }
  .page-title { font-size: 32px; }
  .group-grid { grid-template-columns: 1fr; }
  .g-e { grid-column: auto; }
  .brand { font-size: 15px; }
  .count-item b { font-size: 24px; }
  .time-rail li { grid-template-columns: 1fr; gap: 2px; }
}

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