/* roulang page: index */
:root {
  --bg: #F4F7FB;
  --card: #FFFFFF;
  --text: #1A2332;
  --muted: #5C6B80;
  --line: #E3E9F2;
  --primary: #2C6BED;
  --primary-hover: #1E56C9;
  --tint: #E8F0FF;
  --accent: #C4846A;
  --shadow: 0 10px 30px rgba(28, 54, 99, 0.08);
  --shadow-hover: 0 16px 36px rgba(28, 54, 99, 0.14);
  --radius-card: 16px;
  --radius-btn: 10px;
  --header-h: 72px;
  --container: 1120px;
  --space-section: 104px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 700; line-height: 1.35; color: var(--text); }
p { color: var(--muted); }
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid var(--line);
  height: var(--header-h);
}
.nav-bar {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 28px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--text);
  white-space: nowrap;
}
.logo i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--primary);
  display: block;
  flex: none;
}
.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-links a {
  position: relative;
  padding: 8px 12px 10px;
  color: var(--muted);
  font-size: 15px;
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.nav-links a:hover,
.nav-links a:focus-visible { color: var(--primary); border-bottom-color: var(--primary); }
.nav-links a:active { color: var(--primary-hover); }
.nav-links .short { display: none; }
.nav-cta { flex: none; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-btn);
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:active { background: var(--primary-hover); transform: translateY(1px); }
.btn-ghost { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-ghost:hover { background: var(--tint); }
.btn-ghost:active { background: var(--tint); transform: translateY(1px); }
.section { padding: var(--space-section) 0; }
.section-white { background: var(--card); }
.section-tint { background: var(--tint); }
.section-head { max-width: 640px; margin-bottom: 28px; }
.section-head h2 { font-size: 32px; margin-bottom: 12px; }
.section-head p { font-size: 16px; }
.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  line-height: 22px;
  color: var(--accent);
  background: #F8F1ED;
  font-weight: 700;
}
.hero { padding: 72px 0 96px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
}
.hero h1 { font-size: 40px; max-width: 16em; }
.hero h1::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin-top: 18px;
  border-radius: 99px;
  background: var(--accent);
}
.hero-kicker { margin: 18px 0 8px; color: var(--text); font-weight: 700; }
.hero-lead { margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.preview {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 24px;
}
.preview-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}
.preview-top span { color: var(--muted); font-size: 13px; }
.preview-top strong { font-size: 16px; }
.preview-mid {
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
}
.ring-wrap { position: relative; width: 148px; height: 148px; }
.ring-wrap svg { width: 148px; height: 148px; display: block; }
.ring-bg { fill: none; stroke: var(--tint); stroke-width: 8; }
.ring-val {
  fill: none;
  stroke: var(--primary);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 261 327;
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
}
.ring-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.ring-label b { font-size: 28px; line-height: 1; color: var(--primary); }
.ring-label span { font-size: 12px; color: var(--muted); margin-top: 4px; }
.tier-col { display: flex; flex-direction: column; gap: 10px; }
.tier {
  background: var(--bg);
  border-radius: 12px;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 8px;
}
.tier b { color: var(--text); font-size: 20px; line-height: 1.2; }
.tier b small { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 2px; }
.tier em { grid-column: 1 / -1; font-style: normal; color: var(--muted); font-size: 13px; }
.tier-hot { background: var(--tint); box-shadow: inset 0 0 0 1px var(--primary); }
.ui-list { display: flex; flex-direction: column; gap: 8px; }
.ui-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
  background: var(--bg);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
}
.ui-row strong { font-size: 14px; }
.ui-row span { color: var(--muted); }
.metric-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.metric {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
}
.metric:last-child { border-right: 0; }
.metric b {
  display: block;
  font-size: 36px;
  line-height: 1.1;
  color: var(--primary);
  font-weight: 700;
}
.metric span { display: block; margin-top: 6px; color: var(--muted); font-size: 14px; }
.feature-stack { display: flex; flex-direction: column; gap: 18px; }
.feature-card {
  width: min(860px, 92%);
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px 32px;
  align-items: center;
  transition: transform .2s ease, box-shadow .2s ease;
}
.feature-card:nth-child(even) { margin-left: auto; }
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.feature-card h3 { font-size: 20px; margin: 8px 0; }
.feature-card p { font-size: 15px; }
.feature-card .more { color: var(--primary); font-weight: 700; white-space: nowrap; }
.feature-card:hover .more { color: var(--primary-hover); }
.channel {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 20px;
  align-items: stretch;
}
.channel-main, .channel-side {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 32px;
}
.channel-main { border: 1px solid var(--line); }
.channel-main h3 { font-size: 24px; margin: 12px 0; }
.channel-main p { margin-bottom: 22px; }
.channel-side { display: flex; flex-direction: column; justify-content: center; gap: 0; }
.index-link {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  transition: color .2s ease;
}
.index-link:last-child { border-bottom: 0; }
.index-link strong { display: block; font-size: 16px; }
.index-link span { color: var(--muted); font-size: 14px; }
.index-link:hover strong { color: var(--primary); }
.scene-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 8px;
  scrollbar-color: #C9D4E5 transparent;
}
.scene-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 24px;
  min-height: 210px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.scene-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.scene-card h3 { font-size: 18px; margin: 12px 0 8px; }
.scene-card p { font-size: 14px; }
.demo-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
}
.demo-screen {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 22px;
  border: 1px solid var(--line);
}
.demo-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}
.demo-bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); display: block; }
.demo-bar i:first-child { background: var(--primary); }
.demo-line {
  display: grid;
  grid-template-columns: 88px 1fr 72px;
  gap: 10px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.demo-line b { font-size: 14px; }
.demo-line span { color: var(--muted); }
.steps { display: flex; flex-direction: column; gap: 14px; }
.step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  align-items: start;
}
.step em {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--tint);
  color: var(--primary);
  font-style: normal;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step h3 { font-size: 16px; }
.step p { font-size: 14px; }
.case-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
}
.timeline { border-left: 2px solid var(--line); margin-left: 8px; }
.timeline li { position: relative; padding: 0 0 28px 28px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px var(--tint);
}
.timeline time { color: var(--accent); font-weight: 700; font-size: 13px; }
.timeline h3 { font-size: 18px; margin: 4px 0; }
.price-board {
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 16px;
  align-items: stretch;
}
.price-col {
  background: var(--card);
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  overflow: hidden;
}
.price-col.is-hot { border-color: var(--primary); box-shadow: var(--shadow); }
.price-labels { background: transparent; border: 0; }
.cell { padding: 16px 20px; border-bottom: 1px solid var(--line); min-height: 58px; display: flex; align-items: center; }
.cell:last-child { border-bottom: 0; }
.price-labels .cell { color: var(--muted); padding-left: 0; }
.cell.head { min-height: 92px; align-items: flex-end; font-weight: 700; font-size: 18px; background: transparent; }
.price-col.is-hot .cell.head { color: var(--primary); }
.cell .k { display: none; }
.fee { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1; }
.fee small { font-size: 14px; font-weight: 400; color: var(--muted); }
.review-wall { columns: 3; column-gap: 16px; }
.review-card {
  break-inside: avoid;
  margin-bottom: 16px;
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 22px 22px 18px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.review-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.review-card p { color: var(--text); font-size: 15px; }
.review-card footer { margin-top: 14px; color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; }
.stars { color: var(--accent); letter-spacing: 1px; font-weight: 700; }
.quote-layout { display: grid; grid-template-columns: 220px 1fr; gap: 20px; }
.quote-stat {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.quote-stat b { font-size: 64px; line-height: 1; color: var(--primary); }
.quote-stat span { margin-top: 10px; color: var(--muted); }
.quote-list { display: flex; flex-direction: column; gap: 16px; }
.quote {
  margin: 0;
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 28px 32px;
  border-left: 3px solid var(--accent);
}
.quote p { color: var(--text); font-size: 17px; }
.quote footer { margin-top: 12px; color: var(--muted); font-size: 14px; }
.news-grid { display: grid; grid-template-columns: 280px 1fr; gap: 36px; }
.news-list a {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 8px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: color .2s ease;
}
.news-list li:first-child a { border-top: 1px solid var(--line); }
.news-list time { color: var(--accent); font-weight: 700; font-size: 14px; }
.news-list strong { display: block; font-size: 16px; }
.news-list span { grid-column: 2; color: var(--muted); font-size: 14px; }
.news-list a:hover strong { color: var(--primary); }
.log-list { display: flex; flex-direction: column; }
.log-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.log-item time { font-weight: 700; color: var(--primary); }
.log-item p { color: var(--text); }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-list details {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 6px 22px;
}
.faq-list summary {
  list-style: none;
  cursor: pointer;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 700;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  color: var(--primary);
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
}
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { padding: 0 0 16px; }
.cta-band {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  background: #fff;
  border-radius: var(--radius-card);
  padding: 36px 40px;
  box-shadow: var(--shadow);
}
.cta-band h2 { font-size: 30px; margin-bottom: 8px; }
.cta-actions { display: flex; gap: 12px; flex: none; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 28px; }
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.foot-brand { font-weight: 700; font-size: 18px; margin-bottom: 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 18px; align-content: center; justify-content: flex-end; }
.foot-links a { color: var(--muted); padding-bottom: 4px; border-bottom: 2px solid transparent; }
.foot-links a:hover { color: var(--primary); border-bottom-color: var(--primary); }
.fineprint { padding-top: 16px; color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
@media (max-width: 1200px) {
  .hero h1 { font-size: 36px; }
  .section-head h2 { font-size: 30px; }
}
@media (max-width: 1024px) {
  .hero-grid, .demo-layout, .case-grid, .news-grid, .quote-layout, .channel { gap: 24px; }
  .feature-card { width: 100%; }
}
@media (max-width: 960px) {
  .hero-grid, .demo-layout, .case-grid, .news-grid, .quote-layout, .channel { grid-template-columns: 1fr; }
  .review-wall { columns: 2; }
  .price-board { grid-template-columns: 140px 1fr 1fr; }
  .foot-links { justify-content: flex-start; }
}
@media (max-width: 768px) {
  :root { --space-section: 56px; --header-h: auto; }
  .container { width: min(var(--container), calc(100% - 32px)); }
  .site-header { height: auto; }
  .nav-bar { min-height: 64px; height: auto; flex-wrap: wrap; gap: 8px 12px; padding: 10px 0; }
  .logo { font-size: 14px; order: 1; }
  .nav-cta { order: 2; margin-left: auto; }
  .nav-links { order: 3; width: 100%; margin-left: 0; justify-content: space-between; }
  .nav-links .full { display: none; }
  .nav-links .short { display: inline; }
  .nav-links a { padding: 6px 4px 8px; font-size: 14px; }
  .hero { padding: 36px 0 48px; }
  .hero h1 { font-size: 28px; }
  .section-head h2, .cta-band h2 { font-size: 24px; }
  .metric-bar { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(1), .metric:nth-child(2) { border-bottom: 1px solid var(--line); }
  .feature-card, .channel-main, .channel-side, .cta-band { padding: 22px; }
  .feature-card { grid-template-columns: 1fr; }
  .preview-mid { grid-template-columns: 1fr; justify-items: center; }
  .review-wall { columns: 1; }
  .price-board { grid-template-columns: 1fr; }
  .price-labels { display: none; }
  .cell { display: block; min-height: 0; }
  .cell .k { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
  .cell.head { min-height: 0; display: flex; }
  .log-item, .news-list a { grid-template-columns: 1fr; }
  .news-list span { grid-column: auto; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .quote-stat b { font-size: 48px; }
  .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .metric-bar { grid-template-columns: 1fr; }
  .metric { border-right: 0 !important; border-bottom: 1px solid var(--line); }
  .metric:last-child { border-bottom: 0; }
  .hero-actions, .cta-actions { width: 100%; flex-direction: column; }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .scene-card { flex-basis: 86%; }
  .ui-row { grid-template-columns: 1fr; gap: 2px; }
  .demo-line { grid-template-columns: 1fr; gap: 2px; }
  .fineprint { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category1 */
:root {
 --bg: #F4F7FB;
 --card: #FFFFFF;
 --text: #1A2332;
 --muted: #5C6B80;
 --line: #E3E9F2;
 --primary: #2C6BED;
 --primary-hover: #1E56C9;
 --tint: #E8F0FF;
 --accent: #C4846A;
 --shadow: 0 10px 30px rgba(28, 54, 99, 0.08);
 --shadow-hover: 0 16px 36px rgba(28, 54, 99, 0.14);
 --radius-card: 16px;
 --radius-btn: 10px;
 --header-h: 72px;
 --container: 1120px;
 --space-section: 104px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--text);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 font-weight: 400;
 line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 700; line-height: 1.35; }
button { background: none; border: 0; padding: 0; }
.container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: #fff;
 border-bottom: 1px solid var(--line);
 height: var(--header-h);
}
.nav-bar {
 height: var(--header-h);
 display: flex;
 align-items: center;
 gap: 28px;
}
.logo {
 display: inline-flex;
 align-items: center;
 gap: 10px;
 font-weight: 700;
 font-size: 16px;
 letter-spacing: 0.01em;
 color: var(--text);
 white-space: nowrap;
}
.logo i {
 width: 10px;
 height: 10px;
 border-radius: 3px;
 background: var(--primary);
 display: block;
 flex: none;
}
.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-links a {
 position: relative;
 padding: 8px 12px 10px;
 color: var(--muted);
 font-size: 15px;
 border-bottom: 2px solid transparent;
 transition: color .2s ease, border-color .2s ease;
}
.nav-links a:hover,
.nav-links a:focus-visible { color: var(--primary); border-bottom-color: var(--primary); }
.nav-links a:active { color: var(--primary-hover); }
.nav-links .short { display: none; }
.nav-cta { flex: none; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 22px;
 border-radius: var(--radius-btn);
 font-weight: 700;
 font-size: 15px;
 border: 1px solid transparent;
 cursor: pointer;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:active { background: var(--primary-hover); transform: translateY(1px); }
.btn-ghost { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-ghost:hover { background: var(--tint); }
.btn-ghost:active { background: var(--tint); transform: translateY(1px); }
.btn:focus-visible, .text-link:focus-visible, .chip:focus-visible, summary:focus-visible, .related-item:focus-visible {
 outline: 2px solid var(--primary);
 outline-offset: 2px;
}
.section { padding: var(--space-section) 0; }
.section-white { background: var(--card); }
.section-tint { background: var(--tint); }
.section-head { max-width: 640px; margin-bottom: 28px; }
.section-head h2 { font-size: 32px; margin-bottom: 12px; }
.section-head p { font-size: 16px; color: var(--muted); }
.tag {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: 2px 10px;
 font-size: 12px;
 line-height: 22px;
 color: var(--accent);
 background: #F8F1ED;
 font-weight: 700;
}
.cat-head { padding-top: 88px; padding-bottom: 72px; }
.cat-head .tag { margin-bottom: 16px; }
.cat-head h1 { font-size: 40px; max-width: 16em; }
.cat-head h1::after {
 content: "";
 display: block;
 width: 48px;
 height: 3px;
 margin-top: 18px;
 border-radius: 99px;
 background: var(--accent);
}
.cat-head .lead { margin-top: 18px; max-width: 36em; color: var(--muted); font-size: 16px; }
.filter-bar {
 display: flex;
 flex-wrap: wrap;
 gap: 18px 28px;
 background: #fff;
 border-radius: var(--radius-card);
 box-shadow: var(--shadow);
 padding: 22px 28px;
}
.filter-group { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; min-width: 0; }
.filter-group span { color: var(--muted); font-size: 13px; margin-right: 4px; }
.chip {
 min-height: 36px;
 padding: 0 14px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: var(--bg);
 color: var(--text);
 font-size: 14px;
 cursor: pointer;
 transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip[aria-pressed="true"] { background: var(--primary); border-color: var(--primary); color: #fff; }
.entry-list { display: flex; flex-direction: column; gap: 16px; }
.entry-card {
 background: var(--card);
 border-radius: var(--radius-card);
 box-shadow: var(--shadow);
 padding: 28px 32px;
 display: grid;
 grid-template-columns: 1fr auto;
 gap: 8px 24px;
 align-items: center;
 transition: transform .2s ease, box-shadow .2s ease;
}
.entry-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.entry-card.is-hidden { display: none; }
.entry-main { min-width: 0; }
.entry-top { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.entry-top time { color: var(--muted); font-size: 13px; }
.entry-card h3 { font-size: 20px; margin-bottom: 8px; }
.entry-card h3 a { transition: color .2s ease; }
.entry-card h3 a:hover { color: var(--primary); }
.entry-card p { color: var(--muted); font-size: 15px; }
.text-link { color: var(--primary); font-weight: 700; white-space: nowrap; }
.entry-card:hover .text-link { color: var(--primary-hover); }
.empty-note {
 display: none;
 margin-top: 16px;
 color: var(--muted);
 background: var(--card);
 border-radius: var(--radius-card);
 padding: 24px 28px;
 box-shadow: var(--shadow);
}
.empty-note.is-on { display: block; }
.note-band {
 background: var(--card);
 border-radius: var(--radius-card);
 border-left: 3px solid var(--accent);
 box-shadow: var(--shadow);
 padding: 28px 32px;
 max-width: 820px;
}
.note-band h2 { font-size: 28px; margin-bottom: 10px; }
.note-band p { color: var(--muted); }
.guide-grid {
 display: grid;
 grid-template-columns: 1.15fr 0.85fr;
 gap: 20px;
 align-items: stretch;
}
.guide-col {
 background: var(--card);
 border-radius: var(--radius-card);
 box-shadow: var(--shadow);
 padding: 28px 32px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.guide-col:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.guide-col .step {
 display: inline-block;
 color: var(--accent);
 font-weight: 700;
 font-size: 13px;
 margin-bottom: 10px;
}
.guide-col h3 { font-size: 22px; margin-bottom: 10px; }
.guide-col p { color: var(--muted); margin-bottom: 18px; }
.related-list { display: flex; flex-direction: column; gap: 12px; }
.related-item {
 display: grid;
 grid-template-columns: auto 1fr auto;
 gap: 16px;
 align-items: center;
 background: var(--card);
 border-radius: var(--radius-card);
 box-shadow: var(--shadow);
 padding: 20px 24px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.related-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.related-item strong { font-size: 17px; }
.related-item time { color: var(--muted); font-size: 13px; white-space: nowrap; }
.more-band { display: flex; }
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 860px; }
.faq-list details {
 background: var(--card);
 border-radius: var(--radius-card);
 box-shadow: var(--shadow);
 padding: 6px 24px;
}
.faq-list summary {
 cursor: pointer;
 list-style: none;
 font-weight: 700;
 font-size: 17px;
 padding: 16px 0;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
 content: "";
 float: right;
 width: 8px;
 height: 8px;
 margin-top: 8px;
 border-right: 2px solid var(--primary);
 border-bottom: 2px solid var(--primary);
 transform: rotate(45deg);
 transition: transform .2s ease;
}
.faq-list details[open] summary::after { transform: rotate(225deg); margin-top: 12px; }
.faq-list details p { color: var(--muted); padding-bottom: 16px; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 28px; }
.foot-grid {
 display: flex;
 justify-content: space-between;
 gap: 32px;
 align-items: flex-start;
 padding-bottom: 24px;
}
.foot-brand { font-weight: 700; font-size: 18px; margin-bottom: 8px; }
.foot-grid p { color: var(--muted); margin: 0; max-width: 28em; }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot-links a { color: var(--muted); border-bottom: 2px solid transparent; padding-bottom: 4px; }
.foot-links a:hover, .foot-links a:focus-visible { color: var(--primary); border-bottom-color: var(--primary); }
.fineprint {
 display: flex;
 justify-content: space-between;
 gap: 16px;
 flex-wrap: wrap;
 border-top: 1px solid var(--line);
 padding-top: 16px;
 color: var(--muted);
 font-size: 13px;
}
@media (max-width: 1200px) {
 .entry-card, .guide-col, .note-band { padding: 24px; }
}
@media (max-width: 960px) {
 .guide-grid { grid-template-columns: 1fr; }
 .related-item { grid-template-columns: auto 1fr; }
 .related-item time { grid-column: 2; }
 .cat-head h1, .section-head h2, .note-band h2 { font-size: 28px; }
}
@media (max-width: 768px) {
 :root { --space-section: 56px; }
 .container { width: min(var(--container), calc(100% - 32px)); }
 .nav-links .full { display: none; }
 .nav-links .short { display: inline; }
 .nav-bar { gap: 10px; }
 .nav-links a { padding: 8px 6px 10px; font-size: 14px; }
 .logo { font-size: 14px; }
 .cat-head { padding-top: 56px; padding-bottom: 40px; }
 .cat-head h1 { font-size: 28px; }
 .entry-card { grid-template-columns: 1fr; padding: 22px; }
 .text-link { justify-self: start; }
 .foot-grid, .fineprint { flex-direction: column; }
}
@media (max-width: 520px) {
 .container { width: min(var(--container), calc(100% - 24px)); }
 .logo { font-size: 12px; gap: 6px; }
 .nav-links { gap: 0; }
 .nav-links a { padding: 8px 4px; font-size: 12px; }
 .nav-cta { padding: 0 12px; font-size: 14px; }
 .filter-bar { padding: 16px; }
 .section-head h2, .note-band h2 { font-size: 24px; }
 .related-item { grid-template-columns: 1fr; }
 .related-item time { grid-column: auto; }
}