/* roulang page: index */
:root {
  --ink: #1E4B73;
  --ink-deep: #163A59;
  --signal: #3E6FA8;
  --paper: #F3F6FA;
  --white: #FFFFFF;
  --text: #1C2430;
  --mute: #5E6C7B;
  --line: #D5E0EC;
  --line-strong: #1E4B73;
  --radius-card: 8px;
  --radius-btn: 4px;
  --shadow: 0 12px 28px rgba(30, 75, 115, .08);
  --shadow-hover: 0 18px 34px rgba(30, 75, 115, .16);
  --space-section: 72px;
  --header-h: 118px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--ink-deep); }
:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}
.skip {
  position: absolute;
  left: 16px;
  top: -40px;
  background: var(--ink);
  color: #fff;
  padding: 6px 10px;
  z-index: 80;
}
.skip:focus { top: 8px; color: #fff; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 246, 250, .96);
  border-bottom: 0 solid transparent;
  transition: padding .2s ease, box-shadow .2s ease, background .2s ease;
}
.site-header.is-stuck {
  background: #fff;
  box-shadow: 0 8px 24px rgba(30, 75, 115, .08);
}
.mast-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding-top: 22px;
}
.site-header.is-stuck .mast-top { padding-top: 10px; }
.logo {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.25;
  font-weight: 650;
  letter-spacing: 0;
  max-width: 18em;
}
.site-header.is-stuck .logo { font-size: 26px; }
.age-mark {
  flex: none;
  color: var(--signal);
  border: 1px solid var(--signal);
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  padding: 6px 9px;
  letter-spacing: .04em;
}
.mast-rule {
  height: 1px;
  background: var(--line-strong);
  margin-top: 12px;
}
.channel-nav {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 0 2px;
}
.channel-nav::-webkit-scrollbar { display: none; }
.channel-nav a {
  color: var(--text);
  font-size: 15px;
  padding: 12px 2px 10px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.channel-nav a:hover { color: var(--ink); }
.channel-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--signal);
}
.vbar {
  width: 1px;
  height: 12px;
  background: #B7C6D6;
  margin: 0 16px;
  flex: none;
}
.section {
  padding: var(--space-section) 0;
}
.section-white { background: var(--white); }
.section-paper { background: var(--paper); }
.kicker {
  color: var(--signal);
  font-size: 13px;
  letter-spacing: .08em;
}
.h-serif, h1, h2, h3 {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  color: var(--ink);
  font-weight: 650;
  letter-spacing: 0;
}
h1 { font-size: 56px; line-height: 1.25; margin: 0; }
h2 { font-size: 32px; line-height: 1.3; margin: 0; }
h3 { font-size: 20px; line-height: 1.4; margin: 0; color: var(--text); }
.lead {
  max-width: 40em;
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
}
.subline {
  margin: 14px 0 0;
  color: var(--mute);
  font-size: 18px;
  max-width: 36em;
}
.profile {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 28px;
  flex: none;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.badge, .chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid #C5D4E4;
  color: var(--signal);
  background: #fff;
  font-size: 13px;
  line-height: 1;
  padding: 6px 10px;
}
.chip { border-radius: var(--radius-btn); background: #F4F8FC; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--radius-btn);
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  font-size: 15px;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover { background: var(--ink-deep); color: #fff; transform: translateY(-2px); }
.btn:active { transform: translateY(0); background: #102C44; }
.btn-line {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 2px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
}
.btn-line:hover { color: var(--ink-deep); border-bottom-color: var(--ink-deep); }
.wave {
  height: 28px;
  width: 100%;
  margin: 22px 0;
}
.card {
  background: #fff;
  border: 1px solid #E6EEF5;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.step-track {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x proximity;
}
.step {
  flex: 1 0 230px;
  scroll-snap-align: start;
  border-top: 1px solid var(--ink);
  padding-top: 14px;
  min-height: 180px;
}
.step-no {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  color: var(--ink);
  font-size: 40px;
  line-height: 1;
}
.metric-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.metric-band div { padding: 22px 18px; }
.metric-band div + div { border-left: 1px solid var(--line); }
.metric-num {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  color: var(--ink);
  font-size: 36px;
  line-height: 1.1;
}
.metric-label { color: var(--mute); font-size: 14px; margin-top: 6px; }
.panel {
  background: #E7EEF6;
  border-radius: var(--radius-card);
  min-height: 420px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.panel::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 28px;
  top: 48%;
  height: 1px;
  background: var(--signal);
}
.entry + .entry { border-top: 1px solid var(--line); }
.entry { padding: 16px 0; }
.entry a { color: var(--text); }
.entry a:hover { color: var(--ink); }
.stagger { display: grid; gap: 18px; }
.stagger article:nth-child(2) { margin-left: 8%; }
.stagger article:nth-child(3) { margin-left: 3%; }
.stagger article:nth-child(4) { margin-left: 14%; }
.quote {
  margin: 0;
  padding: 8px 0 8px 22px;
  border-left: 1px solid var(--signal);
}
.quote p {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 24px;
  line-height: 1.55;
  color: var(--ink);
  margin: 0;
}
.quote footer { margin-top: 12px; color: var(--mute); font-size: 14px; }
.aud-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  align-items: start;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.aud-row ul { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 0; padding: 0; list-style: none; }
.aud-row a { color: var(--text); border-bottom: 1px solid transparent; }
.aud-row a:hover { border-bottom-color: var(--signal); color: var(--ink); }
.timeline { margin: 0; padding: 0; list-style: none; border-left: 1px solid var(--signal); }
.timeline li { position: relative; padding: 0 0 26px 22px; }
.timeline li::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  position: absolute;
  left: -5px;
  top: 8px;
}
.news-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  color: var(--text);
}
.news-row:hover .news-title { color: var(--ink); }
.news-title { font-size: 18px; color: var(--text); }
.date-mute { color: var(--mute); font-size: 14px; }
.channel-line {
  display: flex;
  align-items: center;
  gap: 22px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 18px 0;
  margin-top: 18px;
}
.channel-line a {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 28px;
  color: var(--ink);
}
.channel-line .hair { width: 1px; height: 28px; background: var(--signal); }
.narrow { max-width: 40em; }
.figure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.figure-grid article {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 18px 16px;
  border: 1px solid #E6EEF5;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud a {
  border: 1px solid #C5D4E4;
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--ink);
  background: #fff;
  font-size: 14px;
}
.tag-cloud a:hover { border-color: var(--signal); background: #F4F8FC; }
.faq-item { border-top: 1px solid var(--line); padding: 16px 0; }
.faq-item h3 { font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif; font-size: 17px; font-weight: 650; color: var(--ink); }
.faq-item p { margin: 8px 0 0; max-width: 40em; color: var(--text); }
.cta-band {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  border-top: 1px solid var(--ink);
  padding-top: 28px;
}
.search-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.search-bar input, .search-bar select {
  height: 42px;
  border: 1px solid #C5D4E4;
  border-radius: var(--radius-btn);
  background: #fff;
  color: var(--text);
  padding: 0 12px;
  font-size: 15px;
}
.search-bar input { min-width: min(100%, 320px); flex: 1; }
.search-bar input:focus, .search-bar select:focus {
  outline: 2px solid var(--signal);
  border-color: var(--signal);
}
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr .9fr .9fr;
  gap: 28px;
}
.foot-title {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.35;
}
.site-footer a { color: var(--text); }
.site-footer a:hover { color: var(--ink); }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links li { margin: 6px 0; }
.copyline {
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--mute);
  font-size: 13px;
}
.index-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--signal);
  display: inline-grid;
  place-items: center;
  color: var(--signal);
  font-size: 11px;
  flex: none;
}
@media (max-width: 1280px) {
  h1 { font-size: 48px; }
}
@media (max-width: 1024px) {
  .metric-band { grid-template-columns: repeat(2, 1fr); }
  .metric-band div:nth-child(3) { border-left: 0; }
  .metric-band div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .figure-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .stagger article:nth-child(n) { margin-left: 0; }
}
@media (max-width: 768px) {
  :root { --space-section: 40px; }
  .logo { font-size: 22px; max-width: calc(100% - 64px); }
  .site-header.is-stuck .logo { font-size: 20px; }
  h1 { font-size: 34px; }
  h2 { font-size: 28px; }
  .profile { gap: 12px; }
  .avatar { width: 48px; height: 48px; font-size: 22px; }
  .metric-band, .news-row, .aud-row, .cta-band, .foot-grid { grid-template-columns: 1fr; display: grid; }
  .metric-band div + div { border-left: 0; border-top: 1px solid var(--line); }
  .news-row { gap: 4px; }
  .aud-row { gap: 8px; }
  .cta-band { align-items: flex-start; }
  .foot-grid { gap: 22px; }
  .quote p { font-size: 20px; }
  .channel-line a { font-size: 22px; }
}
@media (max-width: 640px) {
  .mast-top { align-items: flex-start; }
  .figure-grid { grid-template-columns: 1fr; }
  .panel { min-height: 280px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .btn, .site-header { transition: none; }
}

/* roulang page: category1 */
:root {
  --ink: #1E4B73;
  --ink-deep: #163A59;
  --signal: #3E6FA8;
  --paper: #F3F6FA;
  --white: #FFFFFF;
  --text: #1C2430;
  --mute: #5E6C7B;
  --line: #D5E0EC;
  --line-strong: #1E4B73;
  --radius-card: 8px;
  --radius-btn: 4px;
  --shadow: 0 12px 28px rgba(30, 75, 115, .08);
  --shadow-hover: 0 18px 34px rgba(30, 75, 115, .16);
  --space-section: 72px;
  --header-h: 118px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--ink-deep); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.max-w-page { max-width: 1120px; }
.max-w-read, .text-mute { }
.text-mute { color: var(--mute); }
.max-w-read { max-width: 40em; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 246, 250, .96);
  border-bottom: 0 solid transparent;
  transition: padding .2s ease, box-shadow .2s ease, background .2s ease;
}
.site-header.is-stuck {
  background: #fff;
  box-shadow: 0 8px 24px rgba(30, 75, 115, .08);
}
.site-header.is-stuck .mast-top { padding-top: 10px; padding-bottom: 6px; }
.mast-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 10px;
}
.logo {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.25;
  font-weight: 650;
  letter-spacing: 0;
  max-width: 18em;
}
.logo:hover { color: var(--ink); }
.site-header.is-stuck .logo { font-size: 26px; }
.age-mark {
  flex: none;
  font-size: 12px;
  line-height: 1;
  color: var(--signal);
  border: 1px solid var(--signal);
  border-radius: 999px;
  padding: 5px 8px;
  background: #fff;
}
.mast-rule { height: 1px; background: #1E4B73; }
.channel-nav {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 0 2px;
}
.channel-nav::-webkit-scrollbar { display: none; }
.channel-nav a {
  color: var(--text);
  font-size: 15px;
  padding: 12px 2px 10px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.channel-nav a:hover { color: var(--ink); }
.channel-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--signal);
}
.vbar {
  width: 1px;
  height: 12px;
  background: #C5D4E4;
  margin: 0 14px;
  flex: none;
}
.section { padding: var(--space-section) 0; }
.section-white { background: var(--white); }
.section-paper { background: var(--paper); }
.page-h1 {
  margin: 0;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 42px;
  line-height: 1.25;
  font-weight: 650;
  color: var(--ink);
}
.h1-key {
  display: block;
  margin-top: 8px;
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--mute);
}
.dek {
  margin: 14px 0 0;
  max-width: 40em;
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
}
.cat-head {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(240px, .7fr);
  gap: 36px;
  align-items: end;
}
.meta-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
  padding-bottom: 4px;
}
.meta-line {
  margin: 0;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.meta-line span { color: var(--mute); font-size: 13px; line-height: 1.4; }
.meta-line strong {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.2;
  font-weight: 650;
}
.meta-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--signal);
  font-size: 13px;
}
.sec-title {
  margin: 0 0 18px;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 32px;
  line-height: 1.3;
  font-weight: 650;
  color: var(--ink);
}
.lead, .narrow { max-width: 40em; }
.lead { color: var(--text); font-size: 16px; line-height: 1.75; }
.long-list { display: flex; flex-direction: column; gap: 14px; }
.card {
  background: #fff;
  border: 1px solid #E6EEF5;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: #C5D4E4; }
.long-card {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 16px 18px;
  align-items: center;
  padding: 18px 20px;
}
.idx {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 28px;
  line-height: 1;
  color: var(--signal);
}
.card-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 650;
}
.entry a { color: var(--text); }
.entry a:hover { color: var(--ink); }
.excerpt {
  margin: 4px 0 0;
  color: var(--mute);
  font-size: 14px;
  line-height: 1.7;
  max-width: 40em;
}
.card-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  min-width: 92px;
}
.card-meta time { color: var(--mute); font-size: 13px; }
.chip, .badge {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-btn);
  border: 1px solid #C5D4E4;
  color: var(--signal);
  background: #F4F8FC;
  font-size: 13px;
  line-height: 1;
  padding: 6px 10px;
}
.more-wrap {
  margin-top: 22px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--radius-btn);
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  font-size: 15px;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover { background: var(--ink-deep); color: #fff; transform: translateY(-2px); }
.btn:active { transform: translateY(0); background: #102C44; }
.btn-line {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 2px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  font-size: 15px;
}
.btn-line:hover { color: var(--ink-deep); border-bottom-color: var(--ink-deep); }
.scope-copy p { margin: 0; max-width: 40em; }
.week-list { display: flex; flex-direction: column; }
.week-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 64px;
  gap: 14px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.week-row:last-child { border-bottom: 1px solid var(--line); }
.day { color: var(--ink); font-size: 15px; }
.track {
  height: 4px;
  background: #E6EEF5;
  border-radius: 999px;
  overflow: hidden;
}
.track i {
  display: block;
  height: 100%;
  background: var(--signal);
  border-radius: inherit;
}
.count { text-align: right; color: var(--mute); font-size: 14px; }
.scene-split {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, .9fr);
  gap: 28px;
  align-items: start;
}
.scene-block { padding-top: 8px; }
.scene-kicker {
  margin: 0 0 8px;
  color: var(--signal);
  font-size: 13px;
  letter-spacing: 0;
}
.scene-block h3 {
  margin: 0 0 12px;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 26px;
  line-height: 1.35;
  color: var(--ink);
  font-weight: 650;
}
.scene-list { list-style: none; margin: 0; padding: 0; }
.scene-list li { border-top: 1px solid var(--line); }
.scene-list a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  color: var(--text);
}
.scene-list a:hover { color: var(--ink); }
.scene-list time { flex: none; color: var(--mute); font-size: 13px; }
.pull {
  margin: 0;
  max-width: 40em;
  padding-left: 18px;
  border-left: 2px solid var(--signal);
}
.pull p {
  margin: 0;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 26px;
  line-height: 1.55;
  color: var(--ink);
}
.pull footer { margin-top: 14px; color: var(--mute); font-size: 14px; font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif; }
.news-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  color: var(--text);
}
.news-row:last-child { border-bottom: 1px solid var(--line); }
.news-row time { color: var(--mute); font-size: 14px; }
.news-title { margin: 0; font-size: 18px; line-height: 1.5; font-weight: 650; }
.news-row:hover .news-title { color: var(--ink); }
.news-row p { margin: 4px 0 0; color: var(--mute); font-size: 14px; max-width: 40em; }
.faq-item { border-top: 1px solid var(--line); padding: 16px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item h3 {
  margin: 0;
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  font-size: 17px;
  font-weight: 650;
  color: var(--ink);
  line-height: 1.5;
}
.faq-item p { margin: 8px 0 0; max-width: 40em; color: var(--text); }
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr .9fr .9fr;
  gap: 28px;
}
.foot-title {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.35;
}
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links li + li { margin-top: 8px; }
.site-footer a { color: var(--text); }
.site-footer a:hover { color: var(--ink); }
.copyline {
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--mute);
  font-size: 13px;
}
.signal-rule {
  width: 72px;
  height: 2px;
  background: var(--signal);
  margin: 16px 0 0;
}
@media (max-width: 1280px) {
  .page-h1 { font-size: 40px; }
}
@media (max-width: 1024px) {
  .cat-head { grid-template-columns: 1fr; gap: 22px; }
  .scene-split { grid-template-columns: 1fr; gap: 8px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  :root { --space-section: 40px; --header-h: 96px; }
  .logo { font-size: 22px; line-height: 1.3; max-width: 16em; }
  .site-header.is-stuck .logo { font-size: 20px; }
  .page-h1 { font-size: 32px; }
  .sec-title { font-size: 26px; }
  .long-card { grid-template-columns: 48px minmax(0, 1fr); }
  .card-meta { grid-column: 2; flex-direction: row; align-items: center; justify-content: flex-start; }
  .pull p { font-size: 22px; }
  .foot-grid { grid-template-columns: 1fr; }
  .news-row { grid-template-columns: 88px minmax(0, 1fr); gap: 12px; }
}
@media (max-width: 640px) {
  .meta-line strong { font-size: 24px; }
  .week-row { grid-template-columns: 56px minmax(0, 1fr) 52px; gap: 8px; }
}
@media (max-width: 520px) {
  .long-card { grid-template-columns: 1fr; }
  .card-meta { grid-column: auto; }
  .idx { font-size: 22px; }
  .scene-list a { flex-direction: column; gap: 2px; }
  .news-row { grid-template-columns: 1fr; gap: 4px; }
}

/* roulang page: category2 */
:root {
  --ink: #1E4B73;
  --ink-deep: #163A59;
  --signal: #3E6FA8;
  --paper: #F3F6FA;
  --white: #FFFFFF;
  --text: #1C2430;
  --mute: #5E6C7B;
  --line: #D5E0EC;
  --line-strong: #1E4B73;
  --radius-card: 8px;
  --radius-btn: 4px;
  --shadow: 0 12px 28px rgba(30, 75, 115, .08);
  --shadow-hover: 0 18px 34px rgba(30, 75, 115, .16);
  --space-section: 72px;
  --header-h: 118px;
}
/* roulang page: av */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--ink-deep); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
::selection { background: #D5E4F2; color: var(--ink-deep); }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 650; color: var(--ink); }
h1, h2, .logo, .foot-title, .idx, .head-meta dd, .stat-line strong {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
}
h1 { font-size: 40px; line-height: 1.25; max-width: 12em; }
h2 { font-size: 32px; line-height: 1.3; }
h3 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif; font-size: 20px; line-height: 1.45; }
.max-w-page { max-width: 1120px; }
.max-w-read, .lead, .faq-item p, .guide-copy { max-width: 40em; }
.text-mute { color: var(--mute); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 246, 250, .96);
  border-bottom: 0 solid transparent;
  transition: padding .2s ease, box-shadow .2s ease, background .2s ease;
}
.site-header.is-stuck {
  background: #fff;
  box-shadow: 0 8px 24px rgba(30, 75, 115, .08);
}
.site-header.is-stuck .mast-top { padding-top: 10px; padding-bottom: 6px; }
.mast-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 10px;
}
.logo {
  color: var(--ink);
  font-size: 34px;
  line-height: 1.25;
  font-weight: 650;
  letter-spacing: 0;
  max-width: 18em;
}
.logo:hover { color: var(--ink); }
.site-header.is-stuck .logo { font-size: 26px; }
.age-mark {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--signal);
  border: 1px solid var(--signal);
  border-radius: 999px;
  padding: 2px 8px;
  line-height: 1.5;
}
.mast-rule { height: 1px; background: var(--line-strong); }
.channel-nav {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 0 2px;
}
.channel-nav::-webkit-scrollbar { display: none; }
.channel-nav a {
  color: var(--text);
  font-size: 15px;
  padding: 12px 2px 10px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.channel-nav a:hover { color: var(--ink); }
.channel-nav a.active { color: var(--ink); border-bottom-color: var(--signal); }
.vbar {
  width: 1px;
  height: 12px;
  background: #C5D4E4;
  margin: 0 14px;
  flex: 0 0 auto;
}
.section { padding: var(--space-section) 0; }
.section-white { background: var(--white); }
.section-paper { background: var(--paper); }
.cat-intro { padding: 28px 0 36px; }
.cat-rule { height: 1px; background: var(--ink); }
.cat-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  padding-top: 18px;
}
.kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--signal);
  font-size: 13px;
  margin-bottom: 8px;
}
.deco-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--signal);
  position: relative;
  flex: 0 0 auto;
}
.deco-dot::before {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  top: 13px;
  height: 1px;
  background: var(--signal);
}
.lead { color: var(--text); font-size: 16px; line-height: 1.75; margin-top: 12px; }
.head-meta { display: flex; gap: 22px; margin: 0; }
.head-meta div { min-width: 72px; }
.head-meta dt { font-size: 12px; color: var(--mute); }
.head-meta dd { margin: 2px 0 0; font-size: 22px; color: var(--ink); line-height: 1.2; }
.wave { display: block; width: min(100%, 280px); height: 18px; margin-top: 14px; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.section-note { color: var(--mute); font-size: 14px; }
.duo {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  column-gap: 22px;
  row-gap: 16px;
  align-items: start;
}
.duo .card:nth-child(2n) { margin-top: 34px; }
.card {
  background: #fff;
  border: 1px solid #E6EEF5;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.entry a { color: var(--ink); }
.entry a:hover { color: var(--ink-deep); }
.idx { color: var(--signal); font-size: 18px; line-height: 1; }
.chip, .badge {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-btn);
  border: 1px solid #C5D4E4;
  color: var(--signal);
  background: #F4F8FC;
  font-size: 13px;
  line-height: 1;
  padding: 6px 10px;
}
.badge { border-radius: 999px; background: #fff; }
.meta-date { color: var(--mute); font-size: 13px; margin-top: 8px; }
.excerpt { color: var(--text); font-size: 15px; margin-top: 8px; }
.more-line { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--radius-btn);
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  font-size: 15px;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover { background: var(--ink-deep); color: #fff; transform: translateY(-2px); }
.btn:active { transform: translateY(0); background: #102C44; }
.btn-line {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 2px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
}
.btn-line:hover { color: var(--ink-deep); border-bottom-color: var(--ink-deep); }
.scene-nav {
  display: flex;
  margin: 8px 0 8px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}
.scene-nav::-webkit-scrollbar { display: none; }
.scene-nav a {
  padding: 12px 18px;
  border-right: 1px solid var(--line);
  color: var(--ink);
  white-space: nowrap;
  font-size: 15px;
}
.scene-nav a:hover { background: #F4F8FC; color: var(--ink-deep); }
.scene-block {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.scene-block:last-child { border-bottom: 1px solid var(--line); }
.scene-label { color: var(--signal); font-size: 14px; padding-top: 4px; }
.scene-copy p { margin-top: 8px; max-width: 38em; }
.scene-block:nth-of-type(3) .scene-copy { margin-left: 6%; }
.stat-line {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.stat-line div { padding: 18px 16px; border-left: 1px solid var(--line); }
.stat-line div:first-child { border-left: 0; }
.stat-line span { display: block; color: var(--mute); font-size: 13px; }
.stat-line strong { display: block; margin-top: 4px; font-size: 32px; color: var(--ink); line-height: 1.15; font-weight: 650; }
.guide-copy { font-size: 17px; line-height: 1.85; }
.guide-copy p + p { margin-top: 12px; }
.news-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  color: var(--text);
}
.news-row:last-child { border-bottom: 1px solid var(--line); }
.news-row:hover .news-title { color: var(--ink); }
.news-title { font-size: 18px; color: var(--text); }
.news-row time { color: var(--mute); font-size: 14px; }
.faq-item { border-top: 1px solid var(--line); padding: 16px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item h3 {
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  font-size: 17px;
  font-weight: 650;
  color: var(--ink);
}
.faq-item p { margin-top: 8px; color: var(--text); }
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr .9fr .9fr;
  gap: 28px;
}
.foot-title { color: var(--ink); font-size: 22px; line-height: 1.35; }
.site-footer h2 {
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
}
.site-footer a { color: var(--text); }
.site-footer a:hover { color: var(--ink); }
.foot-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.copyline {
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--mute);
  font-size: 13px;
}
@media (max-width: 1280px) {
  .max-w-page { max-width: 1040px; }
}
@media (max-width: 1024px) {
  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  .scene-block { grid-template-columns: 112px minmax(0, 1fr); }
  .stat-line strong { font-size: 28px; }
  .duo { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (max-width: 768px) {
  :root { --space-section: 40px; --header-h: 96px; }
  .logo { font-size: 24px; max-width: 9em; }
  .site-header.is-stuck .logo { font-size: 20px; }
  .cat-head, .section-head, .foot-grid { display: block; }
  .head-meta { margin-top: 16px; }
  .duo { grid-template-columns: 1fr; }
  .duo .card:nth-child(2n) { margin-top: 0; }
  .scene-block:nth-of-type(3) .scene-copy { margin-left: 0; }
  .stat-line { grid-template-columns: 1fr 1fr; }
  .stat-line div:nth-child(odd) { border-left: 0; }
  .stat-line div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .news-row { grid-template-columns: 88px minmax(0, 1fr); gap: 12px; }
  .foot-grid > div + div { margin-top: 22px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  h1 { font-size: 28px; }
  .logo { font-size: 22px; max-width: 8.2em; }
  .vbar { margin: 0 10px; }
}
@media (max-width: 520px) {
  h1 { font-size: 26px; }
  h2 { font-size: 24px; }
  .scene-block, .news-row { grid-template-columns: 1fr; gap: 6px; }
  .head-meta { flex-wrap: wrap; gap: 12px 18px; }
  .cat-intro { padding: 22px 0 28px; }
}