/* roulang page: index */
:root {
  --bg: #F6F8FB;
  --paper: #FFFFFF;
  --alt: #EEF3F8;
  --blue: #2F6FED;
  --blue-hover: #2458C7;
  --text: #172033;
  --muted: #5C6B82;
  --line: #D5DEEA;
  --green: #1F8A70;
  --danger: #9B3A3A;
  --shadow: 0 10px 28px rgba(23, 32, 51, .06);
  --shadow-hover: 0 14px 32px rgba(23, 32, 51, .10);
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1120px;
  --pad: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 28px;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; font-size: 16px; color: inherit; }
button { cursor: pointer; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
::selection { background: rgba(47, 111, 237, .16); color: var(--text); }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
h1, h2, h3, p { margin: 0; overflow-wrap: break-word; }
h1 { font-size: 40px; line-height: 48px; font-weight: 700; }
h2 { font-size: 28px; line-height: 36px; font-weight: 700; }
h3 { font-size: 18px; line-height: 28px; font-weight: 700; }
.lead { margin-top: 12px; color: var(--muted); max-width: 760px; }
.section { background: var(--paper); padding: var(--pad) 0; border-top: 1px solid var(--line); }
.section-alt { background: var(--alt); }
main > .section:first-child { border-top: 0; }
.section-head { margin-bottom: 28px; max-width: 760px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-header.is-compact { box-shadow: var(--shadow); }
.header-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "logo tools" "nav nav";
  gap: 8px 16px;
  padding: 10px 0 12px;
  align-items: center;
}
.logo { grid-area: logo; display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; min-width: 0; }
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--blue); color: #fff; display: grid; place-items: center;
  font-weight: 700; flex: 0 0 auto;
}
.logo strong { display: block; font-size: 16px; line-height: 22px; font-weight: 700; }
.logo-sub { display: block; color: var(--muted); font-size: 12px; line-height: 18px; }
.brand-tools { grid-area: tools; display: flex; align-items: center; gap: 10px; }
.update-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text); font-size: 14px; text-decoration: none;
}
.update-link i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: block;
}
.update-link:hover { color: var(--blue); }
.badge-18 {
  display: inline-flex; align-items: center; height: 24px; padding: 0 8px;
  border: 1px solid var(--line); border-radius: 999px; font-size: 12px; letter-spacing: .04em;
  color: var(--text); background: var(--paper);
}
.nav-toggle {
  display: none; width: 40px; height: 40px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--paper); padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 16px; height: 1.5px; background: var(--text); position: relative; margin: 0 auto;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }
.channel-line {
  grid-area: nav;
  display: flex; align-items: center; gap: 16px;
  border-top: 1px solid var(--line); padding-top: 8px; min-width: 0;
}
.channels { display: flex; align-items: center; gap: 18px; flex: 0 0 auto; }
.channels a {
  color: var(--text); text-decoration: none; font-size: 15px; line-height: 32px;
  box-shadow: inset 0 -2px 0 transparent; padding: 0 2px;
}
.channels a:hover { color: var(--blue); text-decoration: none; }
.channels a.active { box-shadow: inset 0 -2px 0 var(--green); font-weight: 700; }
.nav-search { flex: 1 1 auto; min-width: 160px; display: flex; }
.nav-search input, .search-row input, .field input {
  width: 100%; min-height: 40px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--paper); padding: 0 12px;
}
.nav-search input:hover, .search-row input:hover, .field input:hover { border-color: #b7c4d6; }
.trends { display: flex; flex-wrap: wrap; gap: 8px; max-height: 68px; overflow: hidden; justify-content: flex-end; }
.trend, .chip, .pill {
  display: inline-flex; align-items: center; height: 28px; padding: 0 10px;
  border-radius: 999px; border: 1px solid var(--line); background: var(--paper);
  color: var(--muted); font-size: 13px; line-height: 28px; text-decoration: none;
}
.trend:hover, .pill:hover { color: var(--blue); border-color: var(--blue); text-decoration: none; }
.site-header.is-compact .header-grid {
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas: "logo nav tools";
  padding: 8px 0;
}
.site-header.is-compact .logo-sub { display: none; }
.site-header.is-compact .channel-line { border-top: 0; padding-top: 0; }
.site-header.is-compact .trends { display: none; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px; color: var(--green);
  font-size: 13px; line-height: 20px; margin-bottom: 12px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: inline-block; }
.subtitle { margin-top: 10px; font-size: 18px; line-height: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
  padding: 0 18px; border-radius: var(--radius-sm); border: 1px solid transparent;
  text-decoration: none; font-weight: 700; transition: background .15s ease, color .15s ease, transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); color: #fff; }
.btn-secondary { background: var(--paper); color: var(--blue); border-color: var(--blue); }
.btn-secondary:hover { background: #f3f7ff; color: var(--blue-hover); }
.metrics {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1.35fr .9fr 1.05fr 1.15fr;
  gap: 14px;
}
.metric, .card, .entry, .news-item, .side-card, .form-card, .voice-item, .faq-item, .compare-card, .assure-item, .quick-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.metric { padding: 16px 16px 14px; min-width: 0; }
.metric-num {
  display: block;
  font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", Consolas, monospace;
  font-size: 32px; line-height: 40px; color: var(--blue); font-variant-numeric: tabular-nums;
}
.metric-label { display: block; margin-top: 6px; font-weight: 700; }
.metric-note { display: block; color: var(--muted); font-size: 13px; line-height: 20px; }
.entry-list { display: flex; flex-direction: column; gap: 14px; }
.entry {
  display: grid; grid-template-columns: 88px minmax(0, 1fr) auto; gap: 16px;
  align-items: center; padding: 16px 18px; color: var(--text); text-decoration: none;
}
.entry:hover { text-decoration: none; box-shadow: var(--shadow-hover); }
.entry:hover strong { color: var(--blue); }
.entry-kicker { color: var(--blue); font-weight: 700; font-size: 14px; }
.entry strong { display: block; font-size: 18px; line-height: 28px; }
.entry em { display: block; margin-top: 4px; font-style: normal; color: var(--muted); }
.entry-go { color: var(--blue); font-weight: 700; white-space: nowrap; }
.bento {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  grid-template-areas: "play index" "play words" "update update";
  gap: 14px;
}
.b1 { grid-area: play; }
.b2 { grid-area: update; }
.b3 { grid-area: index; }
.b4 { grid-area: words; }
.bento-item { padding: 22px; }
.bento-item:hover, .topic-card:hover, .news-item:hover, .quick-item:hover { box-shadow: var(--shadow-hover); }
.bento-item:hover h3, .topic-card:hover h3, .news-item:hover h3 { color: var(--blue); }
.bento-item p, .topic-card p, .news-item p, .timeline p, .scene-row p, .assure-item p, .quality-item p, .voice-item p { color: var(--muted); margin-top: 8px; }
.tag {
  display: inline-flex; align-items: center; height: 24px; padding: 0 8px; border-radius: 999px;
  background: var(--alt); color: var(--blue); font-size: 12px; margin-bottom: 10px;
}
.compare-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 16px; }
.compare-card { padding: 20px; }
.compare-card.is-main { background: #f8fbff; }
.bar { display: grid; grid-template-columns: 72px 1fr auto; gap: 10px; align-items: center; margin-top: 12px; }
.bar-label, .bar b { font-size: 14px; line-height: 22px; font-weight: 700; }
.bar b { font-family: ui-monospace, Consolas, monospace; color: var(--blue); font-weight: 700; }
.bar-track { height: 6px; background: var(--alt); border-radius: 999px; overflow: hidden; }
.bar-fill { display: block; height: 100%; background: var(--blue); border-radius: 999px; }
.compare-card:not(.is-main) .bar-fill { background: #9aafc8; }
.scene-list { display: flex; flex-direction: column; gap: 14px; }
.scene-row {
  display: grid; grid-template-columns: 240px minmax(120px, 1fr) minmax(0, 1.2fr);
  gap: 18px; align-items: center; padding: 16px 0; border-top: 1px solid var(--line);
}
.scene-row:first-child { border-top: 0; }
.scene-label span { display: block; color: var(--green); font-size: 13px; line-height: 20px; }
.ticks { display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; height: 28px; align-items: end; }
.ticks i { display: block; background: var(--line); border-radius: 2px; }
.ticks i:nth-child(1) { height: 8px; } .ticks i:nth-child(2) { height: 14px; }
.ticks i:nth-child(3) { height: 20px; } .ticks i:nth-child(4) { height: 12px; }
.ticks i:nth-child(5) { height: 26px; } .ticks i:nth-child(6) { height: 16px; }
.ticks i:nth-child(7) { height: 10px; } .ticks i:nth-child(8) { height: 22px; }
.scene-row:nth-child(2) .ticks i:nth-child(n+3) { background: var(--blue); }
.scene-row:nth-child(1) .ticks i:nth-child(-n+3) { background: var(--blue); }
.scene-row:nth-child(3) .ticks i:nth-child(odd) { background: var(--blue); }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; list-style: none; margin: 0; padding: 0; }
.timeline li { border-top: 1px solid var(--line); padding-top: 16px; position: relative; }
.timeline li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  position: absolute; top: -4px; left: 0;
}
.node {
  font-family: ui-monospace, Consolas, monospace; color: var(--blue); font-size: 13px;
}
.topic-chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 12px; }
.chip { flex: 0 0 auto; color: var(--text); }
.topic-track { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
.topic-card { flex: 0 0 280px; scroll-snap-align: start; padding: 12px; color: var(--text); text-decoration: none; }
.topic-card.wide { flex-basis: 420px; }
.topic-card.mid { flex-basis: 330px; }
.topic-card:hover { text-decoration: none; }
.cover {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #E4EAF2;
  border-radius: var(--radius-sm);
}
.topic-meta, .news-meta { display: flex; gap: 8px; align-items: center; margin-top: 10px; color: var(--muted); font-size: 13px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 8px;
  border-radius: 999px; border: 1px solid var(--line); font-size: 12px; color: var(--blue); background: var(--paper);
}
.badge-live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.news-grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(240px, 4fr); gap: 18px; align-items: start; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item { padding: 16px 18px; }
.news-item a { color: inherit; text-decoration: none; }
.news-item a:hover h3 { color: var(--blue); }
.more-wrap { margin-top: 14px; }
.side-card { padding: 16px 18px; }
.side-list { list-style: none; margin: 12px 0 0; padding: 0; }
.side-list li { border-top: 1px solid var(--line); }
.side-list a { display: block; padding: 10px 0; color: var(--text); text-decoration: none; }
.side-list a:hover { color: var(--blue); }
.hot-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 22px; align-items: start; }
.hot-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { cursor: pointer; }
.pill.is-on { color: var(--blue); border-color: var(--blue); box-shadow: inset 0 -2px 0 var(--green); }
.hot-status { margin-top: 14px; color: var(--muted); }
.search-visual { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.search-row { display: flex; gap: 8px; margin-top: 8px; }
.search-row .btn { flex: 0 0 auto; }
.assure-list, .quality-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.quality-list { grid-template-columns: repeat(3, 1fr); }
.assure-item, .quality-item { padding: 18px; }
.scale { display: flex; gap: 4px; margin-top: 12px; }
.scale i { height: 6px; flex: 1; border-radius: 999px; background: var(--line); display: block; }
.scale i.on { background: var(--blue); }
.quick-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.quick-item { padding: 18px; }
.quick-item h3 { font-size: 16px; line-height: 26px; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { overflow: hidden; }
.faq-item button {
  width: 100%; text-align: left; background: transparent; border: 0; padding: 16px 18px;
  display: flex; align-items: center; gap: 12px; font-weight: 700; line-height: 26px;
}
.faq-item button::after { content: "+"; margin-left: auto; color: var(--blue); font-size: 20px; }
.faq-item button[aria-expanded="true"]::after { content: "–"; }
.faq-item button[aria-expanded="true"] { color: var(--blue); }
.faq-item .answer { padding: 0 18px 16px; color: var(--muted); }
.voice-list { display: grid; grid-template-columns: 1.4fr .8fr; gap: 14px; }
.voice-item { padding: 18px; }
.voice-item:first-child { grid-row: span 2; }
.voice-item span { display: block; margin-top: 10px; color: var(--green); font-size: 13px; }
.form-card { padding: 22px; max-width: 760px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-top: 14px; }
.field label, .pref-set legend { display: block; font-size: 14px; line-height: 22px; margin-bottom: 6px; font-weight: 700; }
.pref-set { border: 0; margin: 14px 0 0; padding: 0; }
.pref-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pref-row label {
  display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--paper); font-weight: 400;
}
.field.is-error input, .pref-set.is-error .pref-row label { border-color: var(--danger); }
.field-error { display: block; color: var(--danger); font-size: 13px; line-height: 20px; min-height: 20px; }
.form-actions { margin-top: 16px; }
.form-success { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: var(--bg); }
.form-success strong { display: block; margin: 8px 0; }
.site-footer { background: var(--paper); border-top: 1px solid var(--line); padding: 36px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 24px; }
.footer-brand strong { display: block; font-size: 16px; line-height: 26px; }
.footer-brand p, .footer-col a { color: var(--muted); }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col b { font-size: 14px; }
.footer-col a { text-decoration: none; }
.footer-col a:hover { color: var(--blue); text-decoration: underline; }
.footer-base { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
@media (max-width: 1023px) {
  .bento { grid-template-columns: 1fr; grid-template-areas: "play" "update" "index" "words"; }
  .news-grid, .hot-layout, .voice-list { grid-template-columns: 1fr; }
  .voice-item:first-child { grid-row: auto; }
  .metrics, .timeline, .assure-list { grid-template-columns: 1fr 1fr; }
  .quality-list, .quick-list { grid-template-columns: 1fr 1fr; }
  .scene-row { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 767px) {
  :root { --pad: 40px; }
  h1 { font-size: 30px; line-height: 38px; }
  h2 { font-size: 24px; line-height: 32px; }
  .container { width: min(var(--container), calc(100% - 24px)); }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-grid { grid-template-areas: "logo tools" "nav nav"; }
  .site-header.is-compact .header-grid { grid-template-columns: 1fr auto; grid-template-areas: "logo tools" "nav nav"; }
  .channel-line { display: none; flex-direction: column; align-items: stretch; border-top: 0; padding-top: 0; }
  .channel-line.is-open { display: flex; padding-bottom: 8px; }
  .site-header.is-compact .trends { display: flex; }
  .channels { flex-direction: column; align-items: flex-start; gap: 0; }
  .channels a { line-height: 40px; }
  .trends { justify-content: flex-start; max-height: 68px; }
  .compare-grid, .metrics, .timeline, .assure-list, .quality-list, .quick-list, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .entry { grid-template-columns: 1fr; gap: 6px; }
  .entry-go { justify-self: start; }
  .search-row, .hero-actions { flex-direction: column; }
  .search-row .btn, .hero-actions .btn { width: 100%; }
  .logo strong { font-size: 14px; line-height: 20px; }
  .timeline { border-left: 1px solid var(--line); margin-left: 3px; }
  .timeline li { border-top: 0; padding: 0 0 16px 16px; }
  .timeline li::before { top: 6px; left: -5px; }
}
@media (max-width: 520px) {
  .metric-num { font-size: 28px; line-height: 36px; }
  .topic-card, .topic-card.wide, .topic-card.mid { flex-basis: 84%; }
}

/* roulang page: category2 */
:root {
 --bg: #F6F8FB;
 --paper: #FFFFFF;
 --alt: #EEF3F8;
 --blue: #2F6FED;
 --blue-hover: #2458C7;
 --text: #172033;
 --muted: #5C6B82;
 --line: #D5DEEA;
 --green: #1F8A70;
 --danger: #9B3A3A;
 --shadow: 0 10px 28px rgba(23, 32, 51, .06);
 --shadow-hover: 0 14px 32px rgba(23, 32, 51, .10);
 --radius: 14px;
 --radius-sm: 10px;
 --container: 1120px;
 --pad: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--text);
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 font-size: 16px;
 line-height: 28px;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; font-size: 16px; color: inherit; }
button { cursor: pointer; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
 outline: 2px solid var(--blue);
 outline-offset: 2px;
}
h1, h2, h3, p { margin: 0; }
h1 { font-size: 40px; line-height: 48px; font-weight: 700; letter-spacing: 0; }
h2 { font-size: 28px; line-height: 36px; font-weight: 700; }
h3 { font-size: 18px; line-height: 28px; font-weight: 700; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.lead { margin-top: 12px; color: var(--muted); max-width: 760px; }
.section { background: var(--paper); padding: var(--pad) 0; border-top: 1px solid var(--line); }
.section-alt { background: var(--alt); }
main > .section:first-child { border-top: 0; }
.section-head { margin-bottom: 28px; max-width: 760px; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: var(--paper);
 border-bottom: 1px solid var(--line);
}
.site-header.is-compact { box-shadow: var(--shadow); }
.header-grid {
 display: grid;
 grid-template-columns: 1fr auto;
 grid-template-areas: "logo tools" "nav nav";
 gap: 8px 16px;
 padding: 10px 0 12px;
 align-items: center;
}
.logo { grid-area: logo; display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; min-width: 0; }
.logo:hover { text-decoration: none; }
.logo-mark {
 width: 36px; height: 36px; border-radius: var(--radius-sm);
 background: var(--blue); color: #fff; display: grid; place-items: center;
 font-weight: 700; flex: 0 0 auto;
}
.logo strong { display: block; font-size: 16px; line-height: 22px; font-weight: 700; }
.logo-sub { display: block; color: var(--muted); font-size: 12px; line-height: 18px; }
.brand-tools { grid-area: tools; display: flex; align-items: center; gap: 10px; }
.update-link {
 display: inline-flex; align-items: center; gap: 6px;
 color: var(--text); text-decoration: none; font-size: 14px; line-height: 24px;
}
.update-link:hover { color: var(--blue); text-decoration: none; }
.update-link i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); display: block; }
.badge-18 {
 display: inline-flex; align-items: center; height: 24px; padding: 0 8px;
 border: 1px solid var(--line); border-radius: 999px; font-size: 12px; letter-spacing: .04em;
 color: var(--text); background: var(--paper);
}
.nav-toggle {
 display: none; width: 40px; height: 40px; border-radius: var(--radius-sm);
 border: 1px solid var(--line); background: var(--paper); padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
 display: block; width: 16px; height: 1.5px; background: var(--text); position: relative; margin: 0 auto;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }
.nav-toggle:hover { border-color: var(--blue); }
.nav-toggle:active { background: var(--alt); }
.channel-line {
 grid-area: nav;
 display: flex;
 align-items: center;
 gap: 16px;
 border-top: 1px solid var(--line);
 padding-top: 8px;
 min-width: 0;
}
.channels { display: flex; gap: 18px; flex: 0 0 auto; }
.channels a {
 color: var(--text); text-decoration: none; font-size: 15px; line-height: 32px;
 box-shadow: inset 0 -2px 0 transparent; padding: 0 2px;
}
.channels a:hover { color: var(--blue); text-decoration: none; }
.channels a.active { box-shadow: inset 0 -2px 0 var(--green); font-weight: 700; color: var(--text); }
.nav-search { flex: 1 1 auto; min-width: 160px; display: flex; }
.nav-search input, .field input {
 width: 100%; min-height: 40px; border: 1px solid var(--line); border-radius: var(--radius-sm);
 background: var(--paper); padding: 0 12px;
}
.nav-search input:hover, .field input:hover { border-color: #b7c4d6; }
.trends { display: flex; gap: 8px; flex-wrap: wrap; }
.trend, .chip, .pill {
 display: inline-flex; align-items: center; height: 28px; padding: 0 10px;
 border-radius: 999px; border: 1px solid var(--line); background: var(--paper);
 color: var(--muted); font-size: 13px; line-height: 28px; text-decoration: none;
}
.trend:hover, .pill:hover { color: var(--blue); border-color: var(--blue); text-decoration: none; }
.trend:focus-visible, .pill:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.site-header.is-compact .header-grid {
 grid-template-columns: auto minmax(0, 1fr) auto;
 grid-template-areas: "logo nav tools";
 padding: 8px 0;
}
.site-header.is-compact .logo-sub { display: none; }
.site-header.is-compact .channel-line { border-top: 0; padding-top: 0; }
.site-header.is-compact .trends { display: none; }
.site-header.is-compact .logo strong { font-size: 15px; white-space: nowrap; }
.crumb { display: flex; flex-wrap: wrap; gap: 6px; color: var(--muted); font-size: 13px; line-height: 22px; margin-bottom: 14px; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--blue); }
.cat-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: end; }
.view-switch {
 display: inline-flex; border: 1px solid var(--line); border-radius: 999px;
 padding: 4px; background: var(--paper); box-shadow: var(--shadow);
}
.view-switch button {
 border: 0; background: transparent; color: var(--muted);
 min-height: 36px; padding: 0 16px; border-radius: 999px; font-weight: 700;
}
.view-switch button.is-on { background: var(--blue); color: #fff; }
.view-switch button:hover { color: var(--blue-hover); }
.view-switch button.is-on:hover { color: #fff; background: var(--blue-hover); }
.view-switch button:active { transform: none; }
.rank-row, .topic-board { display: grid; gap: 16px; }
.rank-row { grid-template-columns: repeat(3, 1fr); }
.rank-card, .media-card, .topic-block, .time-node, .article-link, .note, .more-panel {
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.rank-card { padding: 18px 18px 16px; }
.rank-card:hover, .media-card:hover, .topic-block:hover, .article-link:hover, .note:hover {
 box-shadow: var(--shadow-hover);
}
.rank-card:hover h3, .media-card:hover h3, .note:hover h3 { color: var(--blue); }
.rank-no {
 font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 font-size: 32px; line-height: 40px; color: var(--blue); font-weight: 700;
 font-variant-numeric: tabular-nums;
}
.rank-card p, .media-card p, .topic-block p, .time-node p, .note p, .device-row p { color: var(--muted); margin-top: 8px; }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag, .badge-live, .badge-hd {
 display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 8px;
 border-radius: 999px; font-size: 12px; line-height: 24px;
}
.tag, .badge-hd { background: var(--alt); color: var(--blue); }
.badge-live { background: #e8f6f2; color: var(--green); }
.badge-live i, .dot {
 width: 6px; height: 6px; border-radius: 50%; background: var(--green); display: inline-block;
}
.card-board {
 display: grid;
 grid-template-columns: 1.15fr .85fr;
 gap: 16px;
 align-items: start;
}
.media-card { padding: 14px; }
.span-card { grid-column: 1 / -1; display: grid; grid-template-columns: 1.35fr .9fr; gap: 18px; align-items: center; }
.cover {
 aspect-ratio: 16 / 9;
 border-radius: var(--radius-sm);
 background:
  linear-gradient(180deg, rgba(23, 32, 51, .04), rgba(23, 32, 51, 0)),
  #E7EEF6;
 border: 1px solid var(--line);
 position: relative;
 overflow: hidden;
}
.cover::after {
 content: "";
 position: absolute;
 left: 16px; right: 16px; bottom: 14px;
 height: 8px; border-radius: 999px; background: #d5deea;
}
.cover::before {
 content: "";
 position: absolute;
 width: 42%; height: 10px; left: 16px; top: 16px;
 border-radius: 999px; background: #d5deea;
}
.meta-line { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 22px; }
.topic-board { grid-template-columns: 1.15fr .85fr 1fr; }
.topic-block { padding: 20px; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.pill { color: var(--text); }
.timeline { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; }
.time-node { padding: 14px 12px 16px; border-top: 2px solid var(--green); }
.time-node b {
 display: block; color: var(--blue);
 font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 font-size: 13px; line-height: 20px; font-weight: 700;
}
.time-node strong { display: block; margin-top: 8px; font-size: 15px; line-height: 24px; }
.device-list { display: flex; flex-direction: column; }
.device-row {
 display: grid; grid-template-columns: 120px minmax(0, 1fr) auto;
 gap: 16px; align-items: center;
 padding: 18px 0; border-bottom: 1px solid var(--line);
}
.device-row:first-child { padding-top: 0; }
.device-row:last-child { border-bottom: 0; padding-bottom: 0; }
.device-row h3 { font-size: 18px; }
.spec {
 font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 color: var(--blue); font-size: 14px; line-height: 22px; white-space: nowrap;
}
.article-list { display: grid; gap: 12px; }
.article-link {
 display: block; padding: 16px 18px; color: var(--text);
}
.article-link:hover { text-decoration: none; color: var(--blue); }
.article-link small { display: block; color: var(--muted); font-size: 13px; line-height: 22px; margin-top: 4px; }
.note-list { display: grid; gap: 12px; margin-top: 16px; }
.note { padding: 16px 18px; }
.more-panel { padding: 22px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
 padding: 0 18px; border-radius: var(--radius-sm); border: 1px solid transparent;
 text-decoration: none; font-weight: 700;
 transition: background .15s ease, color .15s ease, transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); color: #fff; }
.btn-secondary { background: var(--paper); color: var(--blue); border-color: var(--blue); }
.btn-secondary:hover { background: #f3f7ff; color: var(--blue-hover); }
.site-footer { background: var(--paper); border-top: 1px solid var(--line); padding-top: 36px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.footer-brand strong { display: block; font-size: 16px; line-height: 26px; }
.footer-brand p, .footer-col a { color: var(--muted); }
.footer-brand p { margin-top: 8px; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col b { color: var(--text); font-size: 14px; }
.footer-col a { text-decoration: none; }
.footer-col a:hover { color: var(--blue); text-decoration: underline; }
.footer-base {
 margin-top: 28px; padding: 14px 0 18px; border-top: 1px solid var(--line);
 color: var(--muted); font-size: 13px; line-height: 22px;
}
@media (max-width: 1023px) {
 .card-board, .rank-row, .topic-board, .timeline { grid-template-columns: 1fr 1fr; }
 .span-card { grid-column: 1 / -1; grid-template-columns: 1fr; }
 .device-row { grid-template-columns: 96px minmax(0, 1fr); }
 .spec { grid-column: 2; white-space: normal; }
 .site-header.is-compact .header-grid {
  grid-template-columns: 1fr auto;
  grid-template-areas: "logo tools" "nav nav";
 }
 .site-header.is-compact .trends { display: flex; }
 .site-header.is-compact .logo-sub { display: block; }
}
@media (max-width: 767px) {
 :root { --pad: 40px; }
 h1 { font-size: 30px; line-height: 38px; }
 h2 { font-size: 24px; line-height: 34px; }
 .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
 .channel-line {
  display: none;
  position: absolute;
  left: 0; right: 0; top: 100%;
  background: var(--paper);
  border-top: 0;
  border-bottom: 1px solid var(--line);
  padding: 12px 16px 16px;
  flex-direction: column;
  align-items: stretch;
  box-shadow: var(--shadow);
 }
 .site-header.is-open .channel-line { display: flex; }
 .channels { flex-direction: column; gap: 0; }
 .trends { max-height: 64px; overflow: hidden; }
 .cat-top, .more-panel, .footer-grid, .card-board, .rank-row, .topic-board, .timeline, .span-card {
  grid-template-columns: 1fr;
 }
 .span-card { grid-column: auto; }
 .device-row { grid-template-columns: 1fr; gap: 4px; }
 .spec { grid-column: auto; }
 .more-panel { align-items: flex-start; }
 .footer-grid { gap: 22px; }
}
@media (max-width: 520px) {
 .container { width: min(var(--container), calc(100% - 24px)); }
 .logo strong { font-size: 14px; line-height: 20px; }
 .rank-no { font-size: 28px; line-height: 36px; }
 .btn { width: 100%; }
 .view-switch { width: 100%; }
 .view-switch button { flex: 1; }
}

/* roulang page: category1 */
:root {
  --bg: #F6F8FB;
  --paper: #FFFFFF;
  --alt: #EEF3F8;
  --blue: #2F6FED;
  --blue-hover: #2458C7;
  --text: #172033;
  --muted: #5C6B82;
  --line: #D5DEEA;
  --green: #1F8A70;
  --danger: #9B3A3A;
  --shadow: 0 10px 28px rgba(23, 32, 51, .06);
  --shadow-hover: 0 14px 32px rgba(23, 32, 51, .10);
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1120px;
  --pad: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 28px;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; font-size: 16px; color: inherit; }
button { cursor: pointer; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
p { margin: 0; }
h1, h2, h3 { font-weight: 700; color: var(--text); }
h1 { margin: 0; font-size: 40px; line-height: 48px; }
h2 { margin: 0 0 16px; font-size: 28px; line-height: 36px; }
h3 { margin: 0; font-size: 18px; line-height: 28px; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.lead { margin-top: 12px; color: var(--muted); max-width: 760px; }
.section { background: var(--paper); padding: var(--pad) 0; border-top: 1px solid var(--line); }
.section-alt { background: var(--alt); }
main > .section:first-child { border-top: 0; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-header.is-compact { box-shadow: var(--shadow); }
.header-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "logo tools" "nav nav";
  gap: 8px 16px;
  padding: 10px 0 12px;
  align-items: center;
}
.logo { grid-area: logo; display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; min-width: 0; }
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--blue); color: #fff; display: grid; place-items: center;
  font-weight: 700; flex: 0 0 auto;
}
.logo-text { min-width: 0; }
.logo strong { display: block; font-size: 16px; line-height: 22px; font-weight: 700; }
.logo-sub { display: block; color: var(--muted); font-size: 12px; line-height: 18px; }
.brand-tools { grid-area: tools; display: flex; align-items: center; gap: 10px; }
.badge-18 {
  display: inline-flex; align-items: center; height: 24px; padding: 0 8px;
  border: 1px solid var(--line); border-radius: 999px; font-size: 12px; letter-spacing: .04em;
  color: var(--text); background: var(--paper);
}
.update-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text); font-size: 14px; line-height: 24px; text-decoration: none;
}
.update-link:hover { color: var(--blue); text-decoration: none; }
.update-link i, .badge-live i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--green); display: inline-block;
}
.nav-toggle {
  display: none; width: 40px; height: 40px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--paper); padding: 0;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 16px; height: 1.5px; background: var(--text); position: relative; margin: 0 auto;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }
.channel-line {
  grid-area: nav;
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
  min-width: 0;
}
.channels { display: flex; gap: 16px; flex: 0 0 auto; }
.channels a {
  color: var(--text); text-decoration: none; font-size: 15px; line-height: 32px;
  box-shadow: inset 0 -2px 0 transparent; padding: 0 2px;
}
.channels a:hover { color: var(--blue); text-decoration: none; }
.channels a.active { box-shadow: inset 0 -2px 0 var(--green); font-weight: 700; }
.nav-search { flex: 1 1 180px; min-width: 160px; display: flex; }
.nav-search input, .field input {
  width: 100%; min-height: 40px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--paper); padding: 0 12px;
}
.nav-search input:hover, .field input:hover { border-color: #b7c4d6; }
.trends { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.trend, .chip, .pill {
  display: inline-flex; align-items: center; height: 28px; padding: 0 10px;
  border-radius: 999px; border: 1px solid var(--line); background: var(--paper);
  color: var(--muted); font-size: 13px; line-height: 28px; text-decoration: none;
}
.trend:hover, .pill:hover { color: var(--blue); border-color: var(--blue); text-decoration: none; }
.pill { cursor: pointer; transition: color .15s ease, border-color .15s ease, background .15s ease; }
.pill.is-on { color: var(--blue); border-color: var(--blue); background: #f3f7ff; font-weight: 700; }
.pill:active { transform: translateY(1px); }
.site-header.is-compact .header-grid {
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas: "logo nav tools";
  padding: 8px 0;
}
.site-header.is-compact .logo-sub { display: none; }
.site-header.is-compact .channel-line { border-top: 0; padding-top: 0; }
.site-header.is-compact .trends { display: none; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
  padding: 0 18px; border-radius: var(--radius-sm); border: 1px solid transparent;
  text-decoration: none; font-weight: 700;
  transition: background .15s ease, color .15s ease, transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); color: #fff; }
.btn-secondary { background: var(--paper); color: var(--blue); border-color: var(--blue); }
.btn-secondary:hover { background: #f3f7ff; color: var(--blue-hover); }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; line-height: 22px; margin-bottom: 14px; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--blue); }
.crumb [aria-current="page"] { color: var(--text); }
.head-row { display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; }
.result-count {
  margin: 0; min-width: 148px; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 12px 16px; text-align: right; flex: 0 0 auto;
}
.result-count span {
  display: block;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 32px; line-height: 40px; color: var(--blue); font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.result-count small { color: var(--muted); font-size: 13px; }
.catalog-layout { display: grid; grid-template-columns: 268px minmax(0, 1fr); gap: 20px; align-items: start; }
.filter-rail, .wide-card, .today-note, .step-line li, .article-link, .faq-item, .note-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.filter-rail { padding: 18px; position: sticky; top: 86px; }
.filter-toggle {
  display: none; width: 100%; min-height: 44px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--paper); font-weight: 700;
  justify-content: space-between; align-items: center; padding: 0 14px;
}
.filter-group { margin-top: 16px; }
.filter-group h3 { font-size: 14px; line-height: 22px; margin-bottom: 8px; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.stream-title { margin-bottom: 16px; }
.card-list { display: flex; flex-direction: column; gap: 14px; }
.wide-card {
  display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 16px;
  padding: 14px; transition: box-shadow .15s ease;
}
.wide-card:hover { box-shadow: var(--shadow-hover); }
.wide-card:hover h3 { color: var(--blue); }
.cover {
  aspect-ratio: 16 / 9; border-radius: var(--radius-sm);
  background: #E6EDF5; border: 1px solid var(--line);
}
.meta-line { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 22px; }
.tag {
  display: inline-flex; align-items: center; height: 24px; padding: 0 8px; border-radius: 999px;
  background: var(--alt); color: var(--blue); font-size: 12px;
}
.tag-green { color: var(--green); background: #e8f6f2; }
.info-duo { list-style: none; margin: 8px 0 0; padding: 0; color: var(--muted); }
.info-duo li + li { margin-top: 2px; }
.today-note { margin: 14px 0; padding: 14px 16px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px 12px; align-items: center; }
.today-note h2 { grid-column: 1 / -1; font-size: 18px; line-height: 28px; margin: 0; display: flex; align-items: center; gap: 8px; }
.badge-live {
  display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 8px;
  border-radius: 999px; background: #e8f6f2; color: var(--green); font-size: 12px; font-weight: 700;
}
.today-note p { color: var(--muted); }
.more-band { margin-top: 16px; }
.step-line { list-style: none; margin: 8px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.step-line li { padding: 18px 18px 16px; position: relative; }
.step-num {
  display: block; font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color: var(--blue); font-size: 20px; line-height: 28px; font-weight: 700; margin-bottom: 8px;
}
.step-line p { color: var(--muted); margin-top: 8px; }
.article-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 20px; align-items: start; }
.article-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.article-link { padding: 14px 16px; color: var(--text); display: block; transition: box-shadow .15s ease, color .15s ease; }
.article-link:hover { color: var(--blue); text-decoration: none; box-shadow: var(--shadow-hover); }
.note-stack { display: flex; flex-direction: column; gap: 12px; }
.note-card { padding: 16px 18px; }
.note-card p { color: var(--muted); margin-top: 6px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 860px; }
.faq-item button {
  width: 100%; text-align: left; background: transparent; border: 0;
  padding: 16px 18px; font-weight: 700; display: flex; justify-content: space-between; gap: 12px;
  border-radius: var(--radius);
}
.faq-item button:focus-visible { outline: 2px solid var(--blue); outline-offset: -2px; }
.faq-item button::after { content: "+"; color: var(--blue); font-weight: 700; flex: 0 0 auto; }
.faq-item button[aria-expanded="true"]::after { content: "–"; }
.faq-panel { padding: 0 18px 16px; color: var(--muted); }
.site-footer { background: var(--paper); border-top: 1px solid var(--line); padding: 36px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.footer-brand strong { display: block; font-size: 16px; line-height: 24px; }
.footer-brand p { color: var(--muted); margin-top: 8px; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col b { font-size: 14px; line-height: 24px; }
.footer-col a { color: var(--text); text-decoration: none; }
.footer-col a:hover { color: var(--blue); text-decoration: underline; }
.footer-base { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; line-height: 22px; }
@media (max-width: 1023px) {
  .catalog-layout, .article-layout { grid-template-columns: 1fr; }
  .filter-rail { position: static; }
  .site-header.is-compact .header-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "logo tools" "nav nav";
  }
  .site-header.is-compact .trends { display: flex; }
}
@media (max-width: 767px) {
  :root { --pad: 40px; }
  h1 { font-size: 30px; line-height: 38px; }
  h2 { font-size: 24px; line-height: 32px; }
  .logo-sub { display: none; }
  .logo strong { font-size: 14px; line-height: 20px; }
  .nav-toggle { display: inline-flex; }
  .channel-line {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--paper); border-top: 0; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; padding: 12px 16px 16px; gap: 10px;
    box-shadow: var(--shadow);
  }
  .site-header.is-open .channel-line { display: flex; }
  .channels { flex-direction: column; gap: 2px; }
  .trends { justify-content: flex-start; max-height: 72px; overflow: hidden; }
  .site-header.is-compact .channel-line { border-top: 0; }
  .head-row { flex-direction: column; align-items: flex-start; }
  .result-count { text-align: left; }
  .wide-card, .today-note { grid-template-columns: 1fr; }
  .step-line { grid-template-columns: 1fr; }
  .filter-toggle { display: flex; }
  .filter-body { display: none; margin-top: 12px; }
  .filter-rail.is-open .filter-body { display: block; }
  .filter-rail { padding: 12px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 24px)); }
  .logo strong { font-size: 13px; }
  .result-count, .more-band .btn { width: 100%; }
  .brand-tools { gap: 6px; }
  .wide-card { padding: 12px; }
}