/* roulang page: index */
:root {
  --bg: #F3F6FB;
  --card: #FFFFFF;
  --primary: #3A6FE0;
  --primary-deep: #1E3A8A;
  --primary-press: #2C5EC8;
  --honey: #C9842A;
  --honey-soft: #FBF3E8;
  --honey-ink: #8A5314;
  --ink: #1B2430;
  --muted: #5E6C80;
  --line: #E4EAF2;
  --soft: #EAF0F8;
  --shadow: 0 12px 32px rgba(27, 36, 48, .08);
  --shadow-hover: 0 16px 36px rgba(27, 36, 48, .12);
  --radius: 16px;
  --radius-sm: 12px;
  --header: 72px;
  --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 28px;
}
h1, h2, h3, p, ul, ol, figure, dl, dd { margin: 0; }
ul { padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
img, svg { max-width: 100%; display: block; }
a { color: var(--primary-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
::selection { background: #D9E4FA; color: var(--ink); }
.skip {
  position: absolute;
  left: 16px;
  top: -40px;
  background: var(--card);
  color: var(--primary-deep);
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 30;
}
.skip:focus { top: 12px; }
.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header);
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.site-header.is-stuck { box-shadow: 0 8px 24px rgba(27, 36, 48, .06); }
.nav {
  height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  color: var(--ink);
  font-weight: 700;
  font-size: 16px;
  line-height: 22px;
  max-width: 640px;
}
.logo:hover { color: var(--primary-deep); text-decoration: none; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1;
  transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 18px rgba(58, 111, 224, .22); }
.btn-primary:hover { background: var(--primary-press); color: #fff; box-shadow: 0 10px 24px rgba(58, 111, 224, .28); }
.btn-secondary { background: #fff; color: var(--primary-deep); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary-deep); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; box-shadow: none; }
.hero { padding: 72px 0 88px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 40px; align-items: center; }
h1 { font-size: 40px; line-height: 52px; font-weight: 700; }
.lead { margin-top: 16px; color: var(--primary-deep); font-weight: 700; }
.intro { margin-top: 12px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.metric-board { display: grid; gap: 16px; }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.metric, .card, .pane, .scene-card, .news-row, .focus-card, .poster-card, .assure, .entry, .form-card, .faq-item, .qa, .device, .heat-notes, .spec-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.metric { padding: 18px 18px 16px; }
.num {
  display: block;
  color: var(--primary);
  font-size: 36px;
  line-height: 42px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.metric .label { color: var(--muted); font-size: 14px; line-height: 22px; }
.progress-line { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; }
.progress-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; line-height: 22px; margin-bottom: 10px; }
.progress-meta strong { font-variant-numeric: tabular-nums; color: var(--honey-ink); }
.track, .mini-track { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; }
.track > span, .mini-track > span { display: block; height: 100%; width: var(--w); background: var(--honey); border-radius: inherit; }
.section { padding: 88px 0; }
.band-white { background: #fff; }
.band-soft { background: var(--soft); }
.section-head { max-width: 760px; margin-bottom: 28px; }
h2 { font-size: 28px; line-height: 36px; font-weight: 700; }
.section-head p { margin-top: 12px; color: var(--muted); }
h3 { font-size: 18px; line-height: 26px; font-weight: 700; }
.bento {
  display: grid;
  grid-template-columns: 1.35fr 1fr .78fr;
  grid-template-areas: "wide scene path" "wide update path";
  gap: 24px;
}
.span-wide { grid-area: wide; }
.span-a { grid-area: scene; }
.span-b { grid-area: update; }
.span-narrow { grid-area: path; }
.card, .pane, .scene-card, .focus-card, .entry, .form-card, .spec-card, .heat-notes { padding: 24px; }
.card p, .pane p, .scene-card p, .focus-card p, .entry p, .device p, .assure p, .qa p { color: var(--muted); margin-top: 8px; }
.points { margin-top: 14px; }
.points li { position: relative; padding-left: 16px; margin-top: 8px; color: var(--muted); font-size: 14px; line-height: 24px; }
.points li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); position: absolute; left: 0; top: 9px; }
.card:hover, .scene-card:hover, .poster-card:hover, .entry:hover, .assure:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.card, .scene-card, .poster-card, .entry, .assure { transition: transform .2s ease, box-shadow .2s ease; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pane-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.pane-row { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); }
.pane-row span { color: var(--muted); }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 18px;
  font-weight: 700;
  white-space: nowrap;
}
.badge-honey { background: var(--honey-soft); color: var(--honey-ink); }
.badge-blue { background: #E7EEFC; color: var(--primary-deep); }
.badge-mute { background: var(--soft); color: var(--muted); }
.timeline { display: grid; gap: 0; margin-left: 8px; }
.t-item { position: relative; padding: 0 0 28px 28px; }
.t-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: -6px;
  width: 2px;
  background: var(--line);
}
.t-item:last-child::before { bottom: auto; height: 8px; }
.t-item::after {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px #fff;
}
.t-item.is-done::after { background: var(--honey); }
.t-top { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.t-item p { color: var(--muted); margin-top: 6px; }
.scene-grid, .entry-grid, .qa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.scene-card .text-link, .entry .text-link { display: inline-block; margin-top: 14px; font-weight: 700; }
.device-list { display: grid; gap: 16px; }
.device { display: grid; grid-template-columns: 120px 1fr; gap: 18px; padding: 20px 22px; align-items: center; }
.device strong { color: var(--primary-deep); font-size: 18px; line-height: 26px; }
.news-layout, .heat, .form-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 24px; align-items: start; }
.news-list { display: grid; gap: 12px; }
.news-row { padding: 16px 18px; }
.news-row time { color: var(--honey-ink); font-size: 13px; font-variant-numeric: tabular-nums; }
.news-row p { margin-top: 4px; }
.more { justify-self: start; min-height: 44px; display: inline-flex; align-items: center; font-weight: 700; }
.kicker { color: var(--primary); font-size: 13px; font-weight: 700; letter-spacing: 0; }
.focus-card .meta { margin-top: 12px; color: var(--ink); }
.rail-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-end; margin-bottom: 18px; }
.rail-actions { display: flex; gap: 8px; }
.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--primary-deep);
  font-size: 20px;
}
.icon-btn:hover { border-color: var(--primary); transform: translateY(-1px); }
.rail { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
.poster-card { flex: 0 0 210px; scroll-snap-align: start; padding: 12px; }
.poster {
  aspect-ratio: 3 / 4;
  border-radius: 12px;
  background: var(--soft);
  border-top: 4px solid var(--honey);
  display: flex;
  align-items: flex-end;
  padding: 12px;
  color: var(--primary-deep);
  font-weight: 700;
}
.poster.alt { border-top-color: var(--primary); }
.poster-body { padding: 12px 4px 4px; display: grid; gap: 8px; }
.poster-body h3 { font-size: 16px; line-height: 24px; }
.poster-body p { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 14px; }
.assure-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.assure { display: grid; grid-template-columns: 48px 1fr; gap: 14px; padding: 22px; }
.icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--soft);
  color: var(--primary);
  display: grid;
  place-items: center;
}
.icon svg { width: 24px; height: 24px; }
.heat-row { display: grid; grid-template-columns: 72px 1fr 48px; gap: 12px; align-items: center; margin-bottom: 14px; }
.heat-row b { font-variant-numeric: tabular-nums; text-align: right; color: var(--primary-deep); }
.heat-notes li + li { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.qa { padding: 20px 22px; }
.qa h3 { font-size: 18px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 0; overflow: hidden; border-left: 3px solid transparent; }
.faq-item.is-open { border-left-color: var(--primary); }
.faq-q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  min-height: 64px;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  font-weight: 700;
}
.faq-q span { color: var(--primary); font-variant-numeric: tabular-nums; }
.faq-a { padding: 0 20px 18px; color: var(--muted); }
.entry { display: block; color: inherit; }
.entry:hover { text-decoration: none; color: inherit; }
.form-layout { align-items: stretch; }
.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field span { font-weight: 700; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 10px 12px;
}
.field textarea { min-height: 120px; resize: vertical; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%231E3A8A' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(58, 111, 224, .2);
  outline: none;
}
.field.is-error input, .field.is-error select, .field.is-error textarea { border-color: var(--ink); border-width: 2px; }
.error-text { min-height: 20px; font-size: 13px; line-height: 20px; color: var(--ink); font-weight: 700; }
.success { margin-top: 12px; background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; color: var(--primary-deep); }
.spec-card li { padding: 12px 0; border-top: 1px solid var(--line); color: var(--muted); }
.spec-card li strong { display: block; color: var(--ink); }
.close-bar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}
.close-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.site-footer { background: var(--soft); border-top: 1px solid var(--line); padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.foot-grid h2 { font-size: 18px; line-height: 26px; }
.foot-grid p, .foot-grid a { color: var(--muted); }
.foot-grid ul { margin-top: 12px; display: grid; gap: 8px; }
.foot-grid a { min-height: 32px; display: inline-flex; align-items: center; }
.fine { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; line-height: 22px; }
@media (max-width: 1200px) {
  .container { width: min(1040px, calc(100% - 40px)); }
}
@media (max-width: 1024px) {
  .hero-grid, .bento, .news-layout, .heat, .form-layout, .foot-grid { grid-template-columns: 1fr 1fr; }
  .bento { grid-template-areas: "wide scene" "wide update" "path path"; }
}
@media (max-width: 960px) {
  .hero-grid, .compare, .scene-grid, .news-layout, .heat, .form-layout, .qa-grid, .entry-grid, .assure-grid, .foot-grid, .bento {
    grid-template-columns: 1fr;
    grid-template-areas: none;
  }
  .span-wide, .span-a, .span-b, .span-narrow { grid-area: auto; }
}
@media (max-width: 768px) {
  h1 { font-size: 32px; line-height: 42px; }
  .section, .hero { padding: 48px 0; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .device { grid-template-columns: 1fr; gap: 6px; }
  .close-bar { flex-direction: column; align-items: flex-start; }
  .logo { font-size: 14px; max-width: 58%; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 32px); }
  .hero-actions, .close-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn, .close-actions .btn, .field input, .field select, .field textarea, .form-card .btn { width: 100%; }
  .nav .btn { width: auto; }
  .progress-meta { flex-direction: column; }
}
@media (max-width: 480px) {
  .metric .num { font-size: 30px; line-height: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --bg: #F3F6FB;
  --card: #FFFFFF;
  --primary: #3A6FE0;
  --primary-deep: #1E3A8A;
  --primary-press: #2C5EC8;
  --honey: #C9842A;
  --honey-soft: #FBF3E8;
  --honey-ink: #8A5314;
  --ink: #1B2430;
  --muted: #5E6C80;
  --line: #E4EAF2;
  --soft: #EAF0F8;
  --shadow: 0 12px 32px rgba(27, 36, 48, .08);
  --shadow-hover: 0 16px 36px rgba(27, 36, 48, .12);
  --radius: 16px;
  --radius-sm: 12px;
  --header: 72px;
  --max: 1120px;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 28px;
}
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
img, svg { max-width: 100%; display: block; }
a { color: var(--primary-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header);
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.site-header.is-stuck { box-shadow: 0 8px 24px rgba(27, 36, 48, .06); }
.nav {
  height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  color: var(--ink);
  font-weight: 700;
  font-size: 16px;
  line-height: 22px;
  max-width: 640px;
}
.logo:hover { color: var(--primary-deep); text-decoration: none; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1;
  transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 18px rgba(58, 111, 224, .22); }
.btn-primary:hover { background: var(--primary-press); color: #fff; box-shadow: 0 10px 24px rgba(58, 111, 224, .28); }
.btn-secondary { background: #fff; color: var(--primary-deep); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary-deep); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; box-shadow: none; }
.section { padding: 88px 0; }
.section-soft { background: var(--soft); }
.section-white { background: #fff; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2, .cat-copy h1, .side-label h2, .more-copy h2, .faq-head h2 {
  font-size: 28px;
  line-height: 36px;
  font-weight: 700;
}
.section-head p, .lead, .more-copy p, .side-label p { margin-top: 12px; color: var(--muted); }
.cat-head {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 36px 0 32px;
}
.cat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 460px);
  gap: 28px;
  align-items: end;
}
.cat-copy h1 {
  font-size: 40px;
  line-height: 52px;
  font-weight: 700;
}
.h1-key {
  display: block;
  margin-top: 8px;
  font-size: 16px;
  line-height: 28px;
  font-weight: 700;
  color: var(--primary-deep);
}
.lead { max-width: 640px; }
.filters { display: grid; gap: 14px; }
.filter-block { display: grid; gap: 8px; }
.filter-label { color: var(--muted); font-size: 13px; line-height: 20px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.chip:hover { border-color: var(--primary); transform: translateY(-1px); }
.chip:active { transform: translateY(0); }
.chip.is-on { background: var(--primary); color: #fff; border-color: var(--primary); }
.poster-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.poster-card, .tier, .note, .result-bar, .faq-item, .node-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.poster-card {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 16px;
  padding: 16px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.poster-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.cover {
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-sm);
  background: var(--soft);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 18px;
  text-align: center;
}
.cover b {
  color: var(--primary-deep);
  font-size: 18px;
  line-height: 26px;
  font-variant-numeric: tabular-nums;
}
.poster-copy { display: grid; align-content: start; gap: 8px; min-width: 0; }
.poster-copy h3, .tier h3, .note h3 { font-size: 18px; line-height: 26px; }
.poster-copy p, .tier p, .note p, .faq-panel p { color: var(--muted); }
.badge-row, .tier-top { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 18px;
  font-weight: 700;
  white-space: nowrap;
}
.badge-honey { background: var(--honey-soft); color: var(--honey-ink); }
.badge-blue { background: #E7EEFC; color: var(--primary-deep); }
.badge-mute { background: var(--soft); color: var(--muted); }
.progress-meta, .tier-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  font-size: 14px;
  line-height: 22px;
}
.progress-meta span, .tier-row span, .poster-copy time, .node-card time { color: var(--muted); }
.progress-meta strong, .tier-row strong, .node-card time {
  font-variant-numeric: tabular-nums;
  color: var(--honey-ink);
  font-weight: 700;
}
.bar {
  height: 6px;
  background: var(--soft);
  border-radius: 999px;
  overflow: hidden;
}
.bar > i {
  display: block;
  height: 100%;
  background: var(--primary);
  border-radius: inherit;
}
.bar > i.is-full { background: var(--honey); }
.result-wrap { display: grid; gap: 12px; }
.result-bar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 20px;
}
.result-bar strong { font-variant-numeric: tabular-nums; color: var(--primary-deep); }
#filter-note { color: var(--ink); }
.empty-note {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}
.tier-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.tier { padding: 24px; display: grid; gap: 14px; align-content: start; }
.tier-rows { display: grid; gap: 0; }
.tier-row { padding: 10px 0; border-top: 1px solid var(--line); }
.scene-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.side-label {
  position: sticky;
  top: 96px;
  padding-right: 8px;
}
.note-list { display: grid; gap: 12px; }
.note {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px;
  border-left: 3px solid var(--primary);
}
.note span {
  color: var(--primary-deep);
  font-weight: 700;
  line-height: 26px;
}
.node-list { display: grid; gap: 0; }
.node-card {
  position: relative;
  margin-left: 8px;
  padding: 18px 18px 18px 28px;
  border-radius: 0;
  border-left: 2px solid var(--line);
  box-shadow: none;
  background: transparent;
}
.node-card::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px #fff;
}
.node-card.is-done::before { background: var(--honey); }
.node-card h3 { font-size: 18px; line-height: 26px; }
.node-card p { margin-top: 6px; color: var(--muted); }
.node-card time { display: inline-block; margin-bottom: 6px; }
.more-band {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; }
.faq-toggle {
  width: 100%;
  min-height: 56px;
  text-align: left;
  padding: 14px 18px;
  background: transparent;
  border: 0;
  color: var(--ink);
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.faq-toggle span:last-child {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--soft);
  color: var(--primary-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.faq-item.is-open { border-left: 3px solid var(--primary); }
.faq-item.is-open .faq-toggle span:last-child { background: #E7EEFC; }
.faq-panel { padding: 0 18px 16px 21px; }
.faq-actions { margin-top: 20px; }
.site-footer {
  background: var(--soft);
  padding: 48px 0 24px;
  border-top: 1px solid var(--line);
}
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 32px; }
.site-footer h2 { font-size: 18px; line-height: 26px; margin: 0 0 12px; }
.site-footer p, .site-footer li { color: var(--muted); }
.site-footer ul { display: grid; gap: 8px; }
.fine {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 22px;
}
@media (max-width: 1200px) {
  .container { width: min(var(--max), calc(100% - 40px)); }
}
@media (max-width: 1024px) {
  .poster-card { grid-template-columns: 140px minmax(0, 1fr); }
  .scene-layout { grid-template-columns: 200px minmax(0, 1fr); }
}
@media (max-width: 960px) {
  .cat-grid, .poster-grid, .tier-grid, .scene-layout, .foot-grid { grid-template-columns: 1fr; }
  .side-label { position: static; }
  .note { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 768px) {
  .cat-copy h1 { font-size: 32px; line-height: 42px; }
  .section { padding: 48px 0; }
  .section-head h2, .side-label h2, .more-copy h2, .faq-head h2 { font-size: 24px; line-height: 32px; }
  .logo { font-size: 14px; line-height: 20px; max-width: 62%; }
  .result-bar, .more-band { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  .poster-card { grid-template-columns: 108px minmax(0, 1fr); gap: 12px; padding: 12px; }
  .cover b { font-size: 16px; }
}
@media (max-width: 480px) {
  .container { width: min(var(--max), calc(100% - 32px)); }
  .site-header { height: auto; }
  .nav { height: auto; min-height: 72px; flex-wrap: wrap; padding: 12px 0; }
  .logo { max-width: 100%; }
  .nav .btn, .more-band .btn, .faq-actions .btn { width: 100%; }
}

/* roulang page: category2 */
:root {
 --bg: #F3F6FB;
 --card: #FFFFFF;
 --primary: #3A6FE0;
 --primary-deep: #1E3A8A;
 --primary-press: #2C5EC8;
 --honey: #C9842A;
 --honey-soft: #FBF3E8;
 --honey-ink: #8A5314;
 --ink: #1B2430;
 --muted: #5E6C80;
 --line: #E4EAF2;
 --soft: #EAF0F8;
 --shadow: 0 12px 32px rgba(27, 36, 48, .08);
 --shadow-hover: 0 16px 36px rgba(27, 36, 48, .12);
 --radius: 16px;
 --radius-sm: 12px;
 --header: 72px;
 --max: 1120px;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 font-size: 16px;
 line-height: 28px;
}
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
img, svg { max-width: 100%; display: block; }
a { color: var(--primary-deep); text-decoration: none; }
a:visited { color: var(--primary-deep); }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--primary);
 outline-offset: 2px;
}
.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 20;
 min-height: var(--header);
 background: #fff;
 border-bottom: 1px solid var(--line);
}
.site-header.is-stuck { box-shadow: 0 8px 24px rgba(27, 36, 48, .06); }
.nav {
 min-height: var(--header);
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
}
.logo {
 color: var(--ink);
 font-weight: 700;
 font-size: 16px;
 line-height: 22px;
 max-width: 640px;
}
.logo:hover, .logo:visited { color: var(--primary-deep); text-decoration: none; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: 999px;
 border: 1px solid transparent;
 font-weight: 700;
 line-height: 1;
 text-decoration: none;
 transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 18px rgba(58, 111, 224, .22); }
.btn-primary:visited { color: #fff; }
.btn-primary:hover { background: var(--primary-press); color: #fff; box-shadow: 0 10px 24px rgba(58, 111, 224, .28); }
.btn-primary:active { background: var(--primary-deep); }
.btn-secondary { background: #fff; color: var(--primary-deep); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary-deep); }
.section { padding: 88px 0; }
.section.white { background: #fff; }
.section.soft { background: var(--soft); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2, .cta-copy h2, .page-head h1 {
 color: var(--ink);
 font-weight: 700;
}
.section-head h2, .cta-copy h2 { font-size: 28px; line-height: 36px; }
.section-head p, .scope, .cta-copy p { margin-top: 12px; color: var(--muted); }
.page-head { padding: 56px 0 32px; background: #fff; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: 40px; line-height: 52px; max-width: 920px; }
.scope { max-width: 760px; }
.tag-bar {
 margin-top: 22px;
 display: flex;
 align-items: flex-end;
 justify-content: space-between;
 gap: 16px;
}
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
 min-height: 44px;
 padding: 0 16px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--primary-deep);
 font-weight: 700;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.tag:hover { border-color: var(--primary); transform: translateY(-1px); }
.tag:active { transform: translateY(0); }
.tag.is-active { background: var(--primary); color: #fff; border-color: transparent; }
.count {
 color: var(--muted);
 font-size: 14px;
 line-height: 44px;
 white-space: nowrap;
 font-variant-numeric: tabular-nums;
}
.count strong { color: var(--primary); font-size: 22px; font-weight: 700; }
.pick-list { display: grid; gap: 16px; }
.pick-row, .rule-list li, .spec-bar, .scene-line, .faq-item, .more-panel, .cta-bar {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.pick-row {
 display: grid;
 grid-template-columns: 132px minmax(0, 1fr);
 gap: 20px;
 padding: 16px;
 align-items: center;
 transition: transform .2s ease, box-shadow .2s ease;
}
.pick-row:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.pick-row[hidden], .faq-a[hidden], .empty-note[hidden] { display: none !important; }
.cover {
 position: relative;
 aspect-ratio: 3 / 4;
 border-radius: 12px;
 border: 1px solid var(--line);
 overflow: hidden;
 display: flex;
 align-items: flex-end;
 padding: 10px;
}
.c-a { background: linear-gradient(165deg, #E7EEFC, #F8FAFD 58%, #FBF3E8); }
.c-b { background: linear-gradient(180deg, #EAF0F8, #fff); }
.c-c { background: linear-gradient(190deg, #FBF3E8, #E7EEFC); }
.c-d { background: linear-gradient(165deg, #F7F9FC, #EAF0F8 70%, #FBF3E8); }
.cover-label { color: var(--primary-deep); font-weight: 700; font-size: 14px; line-height: 20px; }
.badge {
 display: inline-flex;
 align-items: center;
 min-height: 26px;
 padding: 0 10px;
 border-radius: 999px;
 font-size: 12px;
 line-height: 18px;
 font-weight: 700;
 white-space: nowrap;
}
.cover .badge { position: absolute; top: 8px; left: 8px; }
.badge-honey { background: var(--honey-soft); color: var(--honey-ink); }
.badge-blue { background: #E7EEFC; color: var(--primary-deep); }
.badge-mute { background: var(--soft); color: var(--muted); }
.pick-copy { min-width: 0; display: grid; gap: 8px; }
.pick-copy h3 { font-size: 18px; line-height: 26px; }
.pick-copy p { color: var(--muted); }
.meta-line {
 display: flex;
 flex-wrap: wrap;
 gap: 8px 16px;
 color: var(--ink);
 font-size: 14px;
 line-height: 22px;
 font-variant-numeric: tabular-nums;
}
.meta-line span { color: var(--muted); }
.bar {
 height: 8px;
 border-radius: 999px;
 background: var(--soft);
 overflow: hidden;
}
.bar > span {
 display: block;
 height: 100%;
 background: var(--primary);
 border-radius: inherit;
}
.pick-row.is-full .bar > span { background: var(--honey); }
.empty-note {
 margin-top: 16px;
 padding: 18px 20px;
 border: 1px dashed var(--line);
 border-radius: var(--radius);
 color: var(--muted);
 background: #fff;
}
.rule-list { display: grid; gap: 14px; }
.rule-list li {
 display: grid;
 grid-template-columns: 72px minmax(0, 1fr);
 gap: 8px;
 align-items: center;
 padding: 18px 22px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.rule-list li:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.num {
 font-size: 28px;
 line-height: 1;
 font-weight: 700;
 color: var(--primary);
 font-variant-numeric: tabular-nums;
}
.rule-list h3 { font-size: 18px; line-height: 26px; }
.rule-list p { color: var(--muted); margin-top: 4px; }
.spec-bar {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 overflow: hidden;
}
.spec-cell { padding: 28px 24px; }
.spec-cell + .spec-cell { border-left: 1px solid var(--line); }
.spec-cell span {
 display: inline-flex;
 min-height: 26px;
 padding: 0 10px;
 border-radius: 999px;
 background: var(--honey-soft);
 color: var(--honey-ink);
 font-size: 12px;
 font-weight: 700;
}
.spec-cell strong {
 display: block;
 margin-top: 14px;
 font-size: 32px;
 line-height: 40px;
 color: var(--primary);
 font-variant-numeric: tabular-nums;
}
.spec-cell em {
 display: block;
 margin-top: 6px;
 font-style: normal;
 color: var(--muted);
}
.scene-list { display: grid; gap: 14px; }
.scene-line {
 display: flex;
 justify-content: space-between;
 gap: 24px;
 align-items: center;
 padding: 22px 24px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.scene-line:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.scene-line h3 { font-size: 18px; line-height: 26px; }
.scene-line p { color: var(--muted); margin-top: 4px; }
.text-link { font-weight: 700; white-space: nowrap; }
.more-panel {
 padding: 28px 24px;
 display: flex;
 justify-content: space-between;
 gap: 24px;
 align-items: center;
}
.more-panel h2 { font-size: 28px; line-height: 36px; }
.more-panel p { color: var(--muted); margin-top: 8px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; border-left: 3px solid transparent; }
.faq-item.is-open { border-left-color: var(--primary); }
.faq-q {
 width: 100%;
 min-height: 56px;
 padding: 14px 18px;
 display: flex;
 align-items: center;
 gap: 16px;
 text-align: left;
 background: transparent;
 border: 0;
 font-weight: 700;
 font-size: 16px;
 line-height: 26px;
}
.faq-q::after {
 content: "+";
 margin-left: auto;
 color: var(--primary);
 font-size: 22px;
 line-height: 1;
}
.faq-item.is-open .faq-q::after { content: "–"; }
.faq-a { padding: 0 18px 16px; color: var(--muted); }
.cta-bar {
 padding: 28px 24px;
 display: flex;
 justify-content: space-between;
 gap: 24px;
 align-items: center;
}
.site-footer {
 background: var(--soft);
 padding: 48px 0 24px;
 border-top: 1px solid var(--line);
}
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 32px; }
.site-footer h2 { font-size: 16px; line-height: 24px; margin: 0 0 12px; }
.site-footer p, .site-footer li { color: var(--muted); font-size: 14px; line-height: 24px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer a { font-weight: 700; }
.fine {
 margin-top: 28px;
 padding-top: 16px;
 border-top: 1px solid var(--line);
 color: var(--muted);
 font-size: 13px;
 line-height: 22px;
}
@media (max-width: 1200px) {
 .container { width: min(var(--max), calc(100% - 40px)); }
}
@media (max-width: 1024px) {
 .page-head h1 { font-size: 36px; line-height: 46px; }
 .spec-cell strong { font-size: 28px; }
}
@media (max-width: 960px) {
 .foot-grid, .spec-bar { grid-template-columns: 1fr; }
 .spec-cell + .spec-cell { border-left: 0; border-top: 1px solid var(--line); }
 .scene-line, .more-panel, .cta-bar { align-items: flex-start; }
}
@media (max-width: 768px) {
 .page-head { padding: 36px 0 28px; }
 .page-head h1 { font-size: 32px; line-height: 42px; }
 .section { padding: 48px 0; }
 .section-head h2, .more-panel h2, .cta-copy h2 { font-size: 24px; line-height: 32px; }
 .logo { white-space: normal; font-size: 13px; line-height: 18px; max-width: 58%; }
 .tag-bar, .scene-line, .more-panel, .cta-bar { flex-direction: column; align-items: stretch; }
 .count { line-height: 28px; }
 .rule-list li { grid-template-columns: 56px minmax(0, 1fr); padding: 16px; }
 .foot-grid { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 520px) {
 .container { width: calc(100% - 32px); }
 .pick-row { grid-template-columns: 92px minmax(0, 1fr); gap: 12px; padding: 12px; }
 .pick-copy h3 { font-size: 16px; line-height: 24px; }
}
@media (max-width: 480px) {
 .btn, .tag { width: auto; }
 .cta-bar .btn, .more-panel .text-link { width: 100%; }
 .nav .btn { padding: 0 12px; font-size: 14px; }
 .meta-line { gap: 4px 10px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition: none !important; }
}