/* roulang page: index */
:root {
  --ink: #1a2a3a;
  --muted: #526273;
  --blue: #2c6eae;
  --blue-deep: #1e568c;
  --blue-soft: #e7f1fa;
  --paper: #f3f6f9;
  --white: #ffffff;
  --line: #d5e0ea;
  --green: #2f7d57;
  --green-soft: #e8f5ee;
  --shadow: 0 8px 24px rgba(26, 42, 58, 0.06);
  --shadow-hover: 0 16px 34px rgba(26, 42, 58, 0.12);
  --radius: 10px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --space: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.85;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 { line-height: 1.35; font-weight: 700; margin: 0; }
p { margin: 0; }
::selection { background: #d5e8f8; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.brand-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}
.logo { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo-mark {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--blue);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.logo-text { font-size: 16px; font-weight: 700; line-height: 1.35; }
.age-badge, .badge, .tag, .kicker {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--green);
  background: var(--green-soft);
  color: var(--green);
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  font-weight: 700;
  padding: 4px 8px;
  white-space: nowrap;
}
.search { margin-left: auto; display: flex; gap: 8px; width: min(360px, 100%); }
.search input {
  flex: 1;
  min-width: 0;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 0 12px;
}
.search input::placeholder { color: #8aa0b3; }
.search input:focus { border-color: var(--blue); background: var(--white); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid var(--blue);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  font-weight: 700;
  line-height: 1.2;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--blue-deep); }
.btn-primary:active { background: #184872; transform: translateY(0); }
.btn-ghost { background: var(--white); color: var(--blue); }
.btn-ghost:hover, .btn-ghost:focus-visible { background: var(--blue-soft); }
.btn-ghost:active { background: #d7e8f6; }
.channel-scroll { overflow-x: auto; border-top: 1px solid var(--line); }
.channel-row { display: flex; gap: 4px; min-width: max-content; }
.channel-row a {
  color: var(--muted);
  padding: 12px 16px;
  border-bottom: 2px solid transparent;
  font-weight: 600;
}
.channel-row a:hover { color: var(--blue); }
.channel-row a.active { color: var(--blue); border-bottom-color: var(--blue); }
.hero { padding: 48px 0 64px; background: var(--white); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 48px;
  align-items: center;
}
.eyebrow { margin-bottom: 14px; }
h1 { font-size: 40px; max-width: 14em; }
.sub { margin-top: 12px; font-size: 18px; font-weight: 700; }
.lede { margin-top: 14px; color: var(--muted); max-width: 40em; }
.hero-actions, .zone-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-actions { margin-top: 22px; }
.zone-tags { margin-top: 16px; }
.zone-tags a {
  color: var(--ink);
  border-bottom: 1px solid var(--green);
  padding-bottom: 2px;
  font-weight: 700;
}
.zone-tags a:hover { color: var(--blue); }
.poster {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--blue-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.poster::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--green);
}
.poster-card {
  position: absolute;
  left: 30%;
  right: 22px;
  bottom: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.poster-card strong { display: block; font-size: 22px; margin: 6px 0 2px; }
.poster-card span { color: var(--muted); }
.near {
  margin-top: 12px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.near a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-weight: 700;
}
.near a:first-child { border-top: 0; }
.near a span { color: var(--green); font-weight: 600; }
.near a:hover { background: var(--paper); }
.band { padding: var(--space) 0; background: var(--white); border-top: 1px solid var(--line); }
.band.is-paper { background: var(--paper); }
.section-head { max-width: 760px; margin-bottom: 28px; }
h2 { font-size: 30px; }
.desc { margin-top: 12px; color: var(--muted); }
.pain-list { list-style: none; margin: 0; padding: 0; max-width: 860px; }
.pain-list li {
  position: relative;
  padding: 16px 0 16px 18px;
  border-top: 1px solid var(--line);
}
.pain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 6px;
  height: 6px;
  background: var(--green);
}
.pain-list strong { display: block; }
.pain-list span { color: var(--muted); }
.path, .stats, .quote-grid, .meters, .entry-grid {
  display: grid;
  gap: 16px;
}
.path, .meters { grid-template-columns: repeat(3, 1fr); }
.stats { grid-template-columns: repeat(4, 1fr); }
.quote-grid, .entry-grid { grid-template-columns: repeat(2, 1fr); }
.path-item, .stat, .quote, .meter, .entry-card, .feature-main, .scene-card, .side-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.path-item, .stat, .meter, .entry-card, .scene-card { padding: 18px; }
.path-item:hover, .stat:hover, .quote:hover, .entry-card:hover, .scene-card:hover, .feature-main:hover, .side-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.path-no, .step-no {
  color: var(--green);
  font-weight: 700;
  font-size: 28px;
  line-height: 1;
  display: block;
  margin-bottom: 8px;
}
.path-item h3, .meter h3, .scene-card h3, .entry-card h3, .side-item strong { font-size: 18px; }
.path-item p, .entry-card p, .scene-card p, .meter p { color: var(--muted); margin-top: 8px; }
.steps { margin-left: 8px; border-left: 1px solid var(--green); }
.step {
  position: relative;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 8px 14px;
  padding: 0 0 26px 20px;
}
.step::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  position: absolute;
  left: -5px;
  top: 8px;
}
.step h3 { font-size: 18px; padding-top: 4px; }
.step p { grid-column: 2; color: var(--muted); }
.stats-note { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: var(--muted); }
.stat strong { display: block; font-size: 40px; line-height: 1; color: var(--blue); margin: 8px 0; }
.stat span, .who { color: var(--muted); }
.feature { display: grid; grid-template-columns: 1.45fr 0.75fr; gap: 18px; align-items: start; }
.feature-main { padding: 18px; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.media {
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  background: var(--blue-soft);
  border: 1px solid var(--line);
  position: relative;
  margin-bottom: 14px;
}
.media::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--green);
}
.media-label {
  position: absolute;
  left: 18px;
  bottom: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  font-weight: 700;
}
.feature-main h3 { font-size: 24px; margin: 10px 0; }
.feature-main p, .side-item p, .quote p { color: var(--muted); }
.feature-side { display: grid; gap: 10px; }
.side-item { display: block; padding: 14px; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.side-item em { display: block; color: var(--green); font-style: normal; font-size: 12px; font-weight: 700; }
.quote { padding: 18px; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.quote p { font-size: 17px; color: var(--ink); margin: 10px 0; }
.schedule { border-top: 1px solid var(--line); }
.schedule a {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.schedule a:hover { color: var(--blue); }
.when { font-weight: 700; color: var(--green); }
.schedule p { color: var(--muted); }
.meter { transition: transform 0.2s ease, box-shadow 0.2s ease; }
.meter:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.meter-bar { height: 6px; background: var(--blue-soft); border-radius: 99px; margin-top: 14px; }
.meter-bar i { display: block; height: 100%; background: var(--blue); border-radius: inherit; }
.scene-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}
.scene-card { flex: 0 0 320px; scroll-snap-align: start; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.scene-card .media { aspect-ratio: 4 / 3; }
.entry-card { display: block; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.entry-card .kicker { margin-bottom: 10px; }
.faq details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0 16px;
}
.faq details + details { margin-top: 10px; }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 4px;
  font-weight: 700;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--blue); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding: 0 4px 16px; }
.close-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.close-inner .desc { max-width: 46em; }
.site-footer { background: var(--paper); border-top: 1px solid var(--line); padding: 36px 0 48px; color: var(--muted); }
.footer-top { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.footer-brand { color: var(--ink); font-size: 18px; font-weight: 700; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { border-bottom: 1px solid var(--green); font-weight: 700; color: var(--ink); }
.footer-links a:hover { color: var(--blue); }
.copyline { margin-top: 18px; }
.path-item, .stat, .quote, .meter, .entry-card, .feature-main, .scene-card, .side-item { transition: transform 0.2s ease, box-shadow 0.2s ease; }
@media (max-width: 1200px) {
  .container { width: min(1120px, calc(100% - 32px)); }
  .hero-grid { gap: 32px; }
}
@media (max-width: 1024px) {
  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .hero-grid, .feature, .quote-grid, .entry-grid { grid-template-columns: 1fr; }
  .poster-card { left: 18%; }
  .close-inner, .footer-top { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 768px) {
  .path, .meters { grid-template-columns: 1fr; }
  .schedule a { grid-template-columns: 1fr; gap: 4px; }
  .scene-card { flex-basis: 260px; }
}
@media (max-width: 720px) {
  :root { --space: 48px; }
  .brand-row { display: grid; grid-template-columns: 1fr; }
  .search, .btn-nav { width: 100%; margin-left: 0; }
  .hero { padding-top: 28px; }
  .hero-actions { display: grid; }
  .hero-actions .btn, .close-inner .btn { width: 100%; }
  .step { grid-template-columns: 56px 1fr; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 28px); }
  h1 { font-size: 28px; }
  h2 { font-size: 24px; }
  .stats { grid-template-columns: 1fr; }
  .logo-text { font-size: 15px; }
  .poster-card { left: 16px; right: 16px; }
  .stat strong { font-size: 34px; }
}

/* roulang page: category2 */
:root {
 --ink: #1a2a3a;
 --muted: #526273;
 --blue: #2c6eae;
 --blue-deep: #1e568c;
 --blue-soft: #e7f1fa;
 --paper: #f3f6f9;
 --white: #ffffff;
 --line: #d5e0ea;
 --green: #2f7d57;
 --green-soft: #e8f5ee;
 --shadow: 0 8px 24px rgba(26, 42, 58, 0.06);
 --shadow-hover: 0 16px 34px rgba(26, 42, 58, 0.12);
 --radius: 10px;
 --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 --space: 72px;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 color: var(--ink);
 background: var(--white);
 font-family: var(--font);
 font-size: 16px;
 line-height: 1.85;
 overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 20;
 background: var(--white);
 border-bottom: 1px solid var(--line);
}
.brand-row {
 display: flex;
 align-items: center;
 gap: 16px;
 padding: 14px 0;
}
.logo { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo-mark {
 width: 38px;
 height: 38px;
 flex: none;
 display: grid;
 place-items: center;
 border-radius: 8px;
 background: var(--blue);
 color: var(--white);
 font-size: 13px;
 font-weight: 700;
 letter-spacing: 0.04em;
}
.logo-text { font-size: 16px; font-weight: 700; line-height: 1.35; }
.age-badge, .badge, .tag, .kicker {
 display: inline-flex;
 align-items: center;
 border: 1px solid var(--green);
 background: var(--green-soft);
 color: var(--green);
 border-radius: 999px;
 font-size: 12px;
 line-height: 1;
 font-weight: 700;
 padding: 4px 8px;
 white-space: nowrap;
}
.search { margin-left: auto; display: flex; gap: 8px; width: min(360px, 100%); }
.search input {
 flex: 1;
 min-width: 0;
 height: 42px;
 border: 1px solid var(--line);
 border-radius: 8px;
 background: var(--paper);
 padding: 0 12px;
}
.search input::placeholder { color: #8aa0b3; }
.search input:focus { border-color: var(--blue); background: var(--white); outline: none; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 42px;
 padding: 0 16px;
 border-radius: 8px;
 border: 1px solid var(--blue);
 cursor: pointer;
 transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
 font-weight: 700;
 line-height: 1.2;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--blue-deep); }
.btn-primary:active { background: #184872; transform: translateY(0); }
.btn-ghost { background: var(--white); color: var(--blue); }
.btn-ghost:hover, .btn-ghost:focus-visible { background: var(--blue-soft); }
.btn-ghost:active { background: #d7e8f6; }
.btn:focus-visible, .channel-row a:focus-visible, .logo:focus-visible, .side-item:focus-visible, .article-list a:focus-visible, .scene-card:focus-visible {
 outline: 2px solid var(--blue);
 outline-offset: 2px;
}
.channel-scroll {
 overflow-x: auto;
 border-top: 1px solid var(--line);
}
.channel-scroll::-webkit-scrollbar { height: 0; }
.channel-row { display: flex; gap: 4px; min-width: max-content; }
.channel-row a {
 color: var(--muted);
 padding: 12px 16px;
 border-bottom: 2px solid transparent;
 font-weight: 600;
}
.channel-row a:hover { color: var(--blue); }
.channel-row a.active { color: var(--blue); border-bottom-color: var(--blue); }
.section { padding: var(--space) 0; }
.section-paper { background: var(--paper); }
.section-white { background: var(--white); border-top: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2, .cat-copy h1 { font-size: 34px; line-height: 1.3; font-weight: 800; letter-spacing: 0.01em; }
.section-head p, .cat-copy .lead, .quiet p, .criteria p, .feature-main p, .side-item p, .scene-card p, .compare p, .article-list span { color: var(--muted); }
.kicker { margin-bottom: 12px; }
.crumb { display: flex; gap: 8px; color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.crumb a { border-bottom: 1px solid var(--green); font-weight: 700; color: var(--ink); }
.crumb a:hover { color: var(--blue); }
.cat-bar { padding: 42px 0 36px; background: var(--white); }
.cat-copy { max-width: 760px; }
.cat-copy .lead { margin-top: 12px; font-size: 18px; }
.criteria {
 list-style: none;
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 border-top: 1px solid var(--line);
 border-bottom: 1px solid var(--line);
}
.criteria li {
 padding: 22px 18px 22px 0;
 margin-right: 18px;
 border-right: 1px solid var(--line);
}
.criteria li:last-child { border-right: 0; margin-right: 0; }
.criteria b {
 display: block;
 color: var(--green);
 font-size: 22px;
 line-height: 1;
 margin-bottom: 8px;
}
.criteria strong { display: block; font-size: 18px; }
.feature { display: grid; grid-template-columns: 1.45fr 0.75fr; gap: 18px; align-items: start; }
.feature-main, .side-item, .scene-card, .compare-col, .meter {
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.feature-main { padding: 18px; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.feature-main:hover, .side-item:hover, .scene-card:hover, .compare-col:hover {
 transform: translateY(-2px);
 box-shadow: var(--shadow-hover);
}
.media {
 aspect-ratio: 16 / 9;
 border-radius: 8px;
 background: var(--blue-soft);
 border: 1px solid var(--line);
 position: relative;
 margin-bottom: 14px;
 overflow: hidden;
}
.media::before {
 content: "";
 position: absolute;
 left: 0; top: 0; bottom: 0;
 width: 4px;
 background: var(--green);
}
.media-label {
 position: absolute;
 left: 18px;
 bottom: 16px;
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: 8px;
 padding: 8px 12px;
 font-weight: 700;
}
.feature-main h2 { font-size: 28px; line-height: 1.35; margin: 10px 0; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.tag { background: var(--paper); color: var(--ink); border-color: var(--line); }
.feature-side { display: grid; gap: 10px; }
.side-item { display: block; padding: 14px; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.side-item em { display: block; color: var(--green); font-style: normal; font-size: 13px; font-weight: 700; }
.side-item strong { display: block; font-size: 18px; margin: 4px 0; }
.scene-row {
 display: grid;
 grid-auto-flow: column;
 grid-auto-columns: minmax(260px, 1fr);
 gap: 14px;
 overflow-x: auto;
 padding-bottom: 6px;
 scroll-snap-type: x mandatory;
}
.scene-card { padding: 18px; scroll-snap-align: start; min-height: 180px; }
.scene-card h3 { font-size: 18px; margin: 8px 0; }
.score {
 font-size: 28px;
 font-weight: 800;
 color: var(--blue);
 line-height: 1;
 margin-top: 16px;
}
.compare {
 display: grid;
 grid-template-columns: 0.9fr 1.1fr;
 gap: 18px;
}
.compare-col { padding: 8px 22px 18px; }
.compare-col.is-focus { border-top: 4px solid var(--green); }
.compare-col h3 { font-size: 22px; padding-top: 16px; }
.compare-col li, .article-list li {
 list-style: none;
 display: flex;
 justify-content: space-between;
 gap: 16px;
 padding: 14px 0;
 border-top: 1px solid var(--line);
}
.compare-col li span, .article-list time { color: var(--muted); }
.note { margin-top: 14px; color: var(--green); font-size: 13px; font-weight: 700; }
.article-list { max-width: 860px; }
.article-list a { font-weight: 700; }
.article-list a:hover { color: var(--blue); }
.more-line {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 padding-top: 8px;
}
.more-line p { color: var(--muted); }
.quiet {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
 padding: 8px 0 0;
 border-top: 1px solid var(--green);
}
.quiet h2 { font-size: 28px; line-height: 1.35; margin-bottom: 6px; }
.quiet-actions { display: flex; gap: 10px; flex: none; }
.site-footer { background: var(--paper); border-top: 1px solid var(--line); padding: 36px 0 28px; }
.footer-top { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.footer-brand { font-size: 18px; font-weight: 800; margin-bottom: 6px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { font-weight: 700; border-bottom: 1px solid transparent; }
.footer-links a:hover { color: var(--blue); border-bottom-color: var(--blue); }
.copyline { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 1200px) {
 .section-head h2, .cat-copy h1 { font-size: 30px; }
}
@media (max-width: 1024px) {
 :root { --space: 56px; }
 .feature, .compare, .criteria { grid-template-columns: 1fr 1fr; }
 .criteria li:nth-child(2) { border-right: 0; }
 .quiet h2 { font-size: 24px; }
}
@media (max-width: 960px) {
 .brand-row { flex-wrap: wrap; }
 .search { order: 5; width: 100%; margin-left: 0; }
 .btn-nav { margin-left: auto; }
 .logo-text { font-size: 15px; }
}
@media (max-width: 768px) {
 :root { --space: 42px; }
 .criteria, .feature, .compare { grid-template-columns: 1fr; }
 .criteria li { border-right: 0; margin-right: 0; border-top: 1px solid var(--line); padding: 16px 0; }
 .criteria li:first-child { border-top: 0; }
 .quiet, .more-line, .footer-top { flex-direction: column; align-items: flex-start; }
 .section-head h2, .cat-copy h1, .feature-main h2 { font-size: 26px; }
}
@media (max-width: 720px) {
 .container { width: min(1120px, calc(100% - 28px)); }
 .btn-nav, .quiet-actions, .quiet-actions .btn, .more-line .btn { width: 100%; }
 .quiet-actions { flex-direction: column; }
}
@media (max-width: 520px) {
 .brand-row { gap: 10px; }
 .age-badge { display: none; }
 .logo-mark { width: 34px; height: 34px; }
 .cat-copy .lead { font-size: 16px; }
 .score { font-size: 24px; }
 .media-label { left: 12px; right: 12px; }
}

/* roulang page: category1 */
:root {
  --ink: #1a2a3a;
  --muted: #526273;
  --blue: #2c6eae;
  --blue-deep: #1e568c;
  --blue-soft: #e7f1fa;
  --paper: #f3f6f9;
  --white: #ffffff;
  --line: #d5e0ea;
  --green: #2f7d57;
  --green-soft: #e8f5ee;
  --shadow: 0 8px 24px rgba(26, 42, 58, 0.06);
  --shadow-hover: 0 16px 34px rgba(26, 42, 58, 0.12);
  --radius: 10px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --space: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.85;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
button { background: none; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.brand-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}
.logo { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo-mark {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--blue);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.logo-text { font-size: 16px; font-weight: 700; line-height: 1.35; }
.age-badge, .badge, .tag, .kicker {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--green);
  background: var(--green-soft);
  color: var(--green);
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  font-weight: 700;
  padding: 4px 8px;
  white-space: nowrap;
}
.search { margin-left: auto; display: flex; gap: 8px; width: min(360px, 100%); }
.search input {
  flex: 1;
  min-width: 0;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 0 12px;
}
.search input::placeholder { color: #8aa0b3; }
.search input:focus, .search input:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
  border-color: var(--blue);
  background: var(--white);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid var(--blue);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}
.btn:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--blue-deep); }
.btn-primary:active { background: #184872; transform: translateY(0); }
.btn-ghost { background: var(--white); color: var(--blue); }
.btn-ghost:hover, .btn-ghost:focus-visible { background: var(--blue-soft); }
.btn-ghost:active { background: #d7e8f6; }
.channel-scroll { overflow-x: auto; border-top: 1px solid var(--line); }
.channel-scroll::-webkit-scrollbar { height: 0; }
.channel-row { display: flex; gap: 4px; min-width: max-content; }
.channel-row a {
  color: var(--muted);
  padding: 12px 16px;
  border-bottom: 2px solid transparent;
  font-weight: 600;
}
.channel-row a:hover { color: var(--blue); }
.channel-row a.active { color: var(--blue); border-bottom-color: var(--blue); }
.band { padding: var(--space) 0; }
.band-paper { background: var(--paper); }
.band-white { background: var(--white); }
.band + .band { border-top: 1px solid var(--line); }
.page-head {
  padding: 36px 0 32px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.head-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 36px;
  align-items: end;
}
.crumb { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.crumb a { color: var(--blue); font-weight: 700; }
.crumb a:hover { color: var(--blue-deep); }
h1 { font-size: 36px; line-height: 1.3; font-weight: 800; letter-spacing: 0.01em; }
.lead { margin-top: 12px; color: var(--muted); max-width: 640px; }
.head-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.node-board {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.node-board h2 {
  font-size: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.04em;
}
.node-board ol { list-style: none; }
.node-board li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
}
.node-board li:first-child { border-top: 0; }
.node-board time { color: var(--green); font-weight: 800; font-variant-numeric: tabular-nums; }
.node-board strong { display: block; font-size: 15px; }
.node-board span { color: var(--muted); font-size: 13px; }
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}
.filter-label { font-weight: 800; margin-right: 6px; }
.chip {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.is-on, .chip[aria-pressed="true"] {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}
.section-title { font-size: 28px; line-height: 1.35; font-weight: 800; margin-bottom: 8px; }
.section-note { color: var(--muted); margin-bottom: 22px; max-width: 720px; }
.update-list { display: grid; gap: 12px; }
.update-row {
  display: grid;
  grid-template-columns: 168px 1fr auto auto;
  gap: 16px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.update-row:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.thumb {
  aspect-ratio: 16 / 10;
  border-radius: 8px;
  background: var(--blue-soft);
  border: 1px solid var(--line);
  position: relative;
  display: grid;
  place-items: end start;
  padding: 10px;
  font-weight: 800;
  color: var(--blue-deep);
  overflow: hidden;
}
.thumb::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--green);
}
.row-title { font-size: 20px; font-weight: 800; line-height: 1.4; }
.row-copy { color: var(--muted); margin-top: 4px; }
.row-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.tag-plain {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  padding: 4px 8px;
}
.week-line {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.week-line li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px 18px 20px;
  border-left: 4px solid var(--green);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.week-line li:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.week-line time { color: var(--green); font-weight: 800; font-variant-numeric: tabular-nums; }
.week-line strong { display: block; margin: 8px 0 6px; font-size: 18px; }
.week-line p { color: var(--muted); }
.note-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
}
.note-main, .note-side {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.note-main h3, .note-side h3 { font-size: 18px; margin-bottom: 8px; }
.note-main p, .note-side p { color: var(--muted); }
.note-side { display: grid; gap: 14px; align-content: start; }
.score {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-weight: 800;
}
.score span { color: var(--green); }
.article-list { list-style: none; border-top: 1px solid var(--line); }
.article-list a {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}
.article-list a:hover { color: var(--blue); }
.article-list time { color: var(--green); font-variant-numeric: tabular-nums; }
.article-list em { font-style: normal; color: var(--muted); font-weight: 600; }
.more-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.more-line p { color: var(--muted); max-width: 640px; }
.faq-list { display: grid; gap: 10px; }
.faq-list details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0 16px;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 800;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(45deg);
  flex: none;
}
.faq-list details[open] summary::after { transform: rotate(225deg); margin-top: 6px; }
.faq-list details p { color: var(--muted); padding: 0 0 16px; }
.site-footer {
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 36px 0 28px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.footer-brand { font-size: 18px; font-weight: 800; }
.footer-top p { color: var(--muted); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { font-weight: 700; color: var(--blue); }
.footer-links a:hover { color: var(--blue-deep); }
.copyline { margin-top: 16px; color: var(--muted); font-size: 14px; }
@media (max-width: 1200px) {
  h1 { font-size: 32px; }
  .update-row { grid-template-columns: 140px 1fr; }
  .update-row .btn, .update-row .badge { justify-self: start; }
}
@media (max-width: 1024px) {
  .head-grid, .note-grid { grid-template-columns: 1fr; }
  .week-line { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  :root { --space: 56px; }
  .brand-row { flex-wrap: wrap; }
  .search { margin-left: 0; width: 100%; order: 5; }
  .btn-nav { margin-left: auto; }
  .article-list a { grid-template-columns: 78px 1fr; }
  .article-list em { display: none; }
}
@media (max-width: 768px) {
  h1 { font-size: 28px; }
  .section-title { font-size: 24px; }
  .more-line, .footer-top { flex-direction: column; align-items: stretch; }
  .update-row { grid-template-columns: 1fr; }
  .thumb { aspect-ratio: 16 / 8; }
}
@media (max-width: 720px) {
  .btn-nav, .head-actions .btn, .more-line .btn, .update-row .btn { width: 100%; }
  .logo-text { font-size: 15px; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 28px); }
  .brand-row { gap: 10px; }
  .age-badge { order: 4; }
  .node-board li { grid-template-columns: 64px 1fr; }
}
