/* roulang page: index */
:root {
  --bg: #F3F6FA;
  --surface: #FFFFFF;
  --ink: #1C2B3A;
  --primary: #1F4E79;
  --secondary: #5B7C99;
  --line: #E3E8EF;
  --mist: #E8EEF5;
  --clay: #C46B4A;
  --clay-deep: #A85638;
  --shadow: 0 10px 28px rgba(31,78,121,.08);
  --shadow-hover: 0 16px 36px rgba(31,78,121,.14);
  --radius: 16px;
  --field: 12px;
  --space: 80px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.nums { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-bar {
  min-height: 80px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; flex-direction: column; gap: 2px; min-width: 0; max-width: 420px; }
.brand-short { font-size: 12px; line-height: 1.6; color: var(--secondary); letter-spacing: .12em; }
.brand-full { font-size: 16px; line-height: 1.45; font-weight: 700; color: var(--primary); }
.header-search { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.header-search label { font-size: 13px; line-height: 1.6; color: var(--secondary); white-space: nowrap; }
.field {
  height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--field);
  padding: 0 14px;
  color: var(--ink);
  font-size: 16px;
  min-width: 220px;
  transition: border-color .2s, box-shadow .2s;
}
.field:hover { border-color: #c9d3e0; }
.field:focus { outline: 2px solid var(--primary); outline-offset: 2px; border-color: var(--primary); }
.site-nav { display: flex; align-items: center; gap: 8px; }
.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
  color: var(--primary);
  font-size: 15px;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.site-nav a:hover { color: var(--clay-deep); }
.site-nav a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.site-nav a.active { border-bottom-color: var(--primary); font-weight: 700; }
.nav-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--clay); display: inline-block; }
.menu-toggle {
  display: none;
  margin-left: auto;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--primary);
  cursor: pointer;
}
.menu-toggle:hover { background: var(--mist); }
.menu-toggle:focus-visible, .btn:focus-visible, .faq-q:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.band { padding: var(--space) 0; }
.band-white { background: var(--surface); }
.band-mist { background: var(--mist); }
.band-canvas { background: var(--bg); }
.kicker { font-size: 13px; line-height: 1.6; color: var(--clay); font-weight: 700; margin-bottom: 12px; }
h1 { font-size: 40px; line-height: 48px; color: var(--primary); font-weight: 760; letter-spacing: -.02em; }
h2 { font-size: 28px; line-height: 36px; color: var(--primary); font-weight: 720; }
h3 { font-size: 18px; line-height: 1.5; color: var(--primary); font-weight: 700; }
.lead { margin-top: 16px; max-width: 760px; color: var(--ink); }
.muted { color: var(--secondary); font-size: 13px; line-height: 1.6; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 56px; align-items: start; }
.hero-copy { padding-top: 12px; }
.hero-form { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; align-items: end; }
.hero-form .field { flex: 1 1 240px; }
.hero-side { margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.issue, .card, .quote, .entry, .wide-card, .side-item, .news-item, .compare, .metric-rail, .table-wrap, .cta-band, .chip-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.issue, .card, .quote, .entry, .wide-card, .chip-panel, .cta-band { padding: 24px; }
.issue { transition: transform .2s, box-shadow .2s; }
.issue:hover, .card:hover, .wide-card:hover, .entry:hover, .side-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.issue-k { font-size: 13px; line-height: 1.6; color: var(--clay); font-weight: 700; margin-bottom: 6px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, color .2s, transform .15s, box-shadow .2s;
}
.btn:active { transform: translateY(1px); }
.btn-clay { background: var(--clay); color: #fff; }
.btn-clay:hover { background: var(--clay-deep); }
.btn-line { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-line:hover { background: var(--mist); }
.compare { padding: 8px 24px 16px; }
.compare-row, .compare-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.compare-head { border-top: 0; color: var(--secondary); font-size: 13px; line-height: 1.6; }
.step-rail { margin-top: 32px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; position: relative; }
.step-rail::before {
  content: "";
  position: absolute;
  left: 24px; right: 24px; top: 22px;
  height: 1px;
  background: var(--line);
}
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.step-no {
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--primary); color: #fff;
  font-size: 14px; margin-bottom: 14px;
  position: relative; z-index: 1;
}
.metric-rail { margin-top: 28px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); overflow: hidden; }
.metric { padding: 28px 24px; border-left: 1px solid var(--line); }
.metric:first-child { border-left: 0; }
.metric b { display: block; font-size: 36px; line-height: 1.1; color: var(--primary); font-weight: 740; }
.metric span { display: block; margin-top: 8px; color: var(--secondary); font-size: 13px; line-height: 1.6; }
.quote-grid { margin-top: 28px; display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px; align-items: stretch; }
.quote-main { padding: 40px 36px; }
.quote-main p { font-size: 22px; line-height: 1.7; color: var(--primary); }
.quote-sub { background: var(--mist); display: flex; flex-direction: column; justify-content: flex-end; }
.audience { margin-top: 28px; display: grid; grid-template-columns: 1.35fr .75fr; gap: 24px; }
.tag {
  display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px;
  border-radius: 999px; background: var(--mist); color: var(--primary);
  font-size: 13px; line-height: 1.6; margin-bottom: 12px;
}
.tag-clay { background: rgba(196,107,74,.12); color: var(--clay-deep); }
.news-list { margin-top: 12px; }
.news-item { padding: 22px 0; border-bottom: 1px solid var(--line); background: transparent; border-left: 0; border-right: 0; border-radius: 0; box-shadow: none; }
.news-item:first-child { border-top: 1px solid var(--line); }
.news-item a { color: var(--primary); font-weight: 700; font-size: 18px; }
.news-item a:hover { color: var(--clay-deep); text-decoration: underline; text-underline-offset: 4px; }
.table-wrap { margin-top: 28px; overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line); font-size: 15px; }
th { color: var(--secondary); font-size: 13px; font-weight: 700; background: #F8FBFD; }
tr:last-child td { border-bottom: 0; }
tr:hover td { background: #F7FAFC; }
.topic { margin-top: 28px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(240px, .7fr); gap: 28px; align-items: center; }
.chips { display: flex; flex-direction: column; gap: 12px; }
.chip {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: 52px; padding: 12px 16px; border-radius: 12px;
  background: var(--mist); color: var(--primary); font-weight: 700;
}
.chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); display: inline-block; }
.chip.wait i { background: var(--secondary); }
.chip.mute i { background: var(--clay); }
.wall { margin-top: 28px; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .7fr); gap: 22px; }
.wide-stack, .side-list { display: flex; flex-direction: column; gap: 16px; }
.wide-card { display: grid; grid-template-columns: 148px minmax(0, 1fr); gap: 18px; align-items: center; }
.film {
  height: 112px; border-radius: 12px;
  background:
    linear-gradient(#1F4E79, #1F4E79) 0 0 / 10px 100% no-repeat,
    linear-gradient(#1F4E79, #1F4E79) 100% 0 / 10px 100% no-repeat,
    linear-gradient(160deg, #E8EEF5, #fff 55%, #F6E7E1);
  border: 1px solid var(--line);
}
.side-list { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px 20px; }
.side-item { padding: 16px 0; border-bottom: 1px solid var(--line); background: transparent; border-left: 0; border-right: 0; border-radius: 0; box-shadow: none; }
.side-item:last-child { border-bottom: 0; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 8px; }
.mark { font-size: 13px; line-height: 1.6; color: var(--primary); background: var(--mist); border-radius: 999px; padding: 2px 8px; }
.mark.wait { color: #3E5870; }
.mark.mute { color: var(--clay-deep); background: rgba(196,107,74,.1); }
.timeline { margin-top: 28px; display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 8px 28px; }
.time-label { color: var(--primary); font-weight: 760; padding-top: 8px; }
.time-item { position: relative; padding: 8px 0 22px 22px; border-left: 1px solid var(--line); }
.time-item::before {
  content: ""; position: absolute; left: -5px; top: 16px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--clay);
}
.split { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.entry-grid { margin-top: 28px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: start; }
.entry-tall { min-height: 300px; display: flex; flex-direction: column; justify-content: space-between; }
.entry-short { min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; margin-top: 36px; }
.entry a { color: var(--primary); font-weight: 700; border-bottom: 1px solid var(--primary); width: fit-content; }
.entry a:hover { color: var(--clay-deep); border-color: var(--clay-deep); }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; min-height: 44px;
  padding: 18px 36px 18px 0; background: transparent; border: 0;
  color: var(--primary); font-size: 18px; font-weight: 700; cursor: pointer; position: relative;
}
.faq-q::after { content: "+"; position: absolute; right: 0; top: 16px; color: var(--clay); font-size: 22px; }
.faq-q[aria-expanded="true"]::after { content: "–"; }
.faq-a { display: none; padding: 0 0 18px; max-width: 820px; }
.faq-a.is-open { display: block; }
.cta-band { padding: 42px 40px; display: flex; justify-content: space-between; gap: 24px; align-items: center; background: linear-gradient(180deg, #fff, #F7FAFC); }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 28px 0 36px; }
.footer-row { display: flex; justify-content: space-between; gap: 18px; align-items: center; flex-wrap: wrap; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--primary); }
.footer-links a:hover { color: var(--clay-deep); }
.is-hidden { display: none !important; }
.empty-note { margin-top: 16px; color: var(--secondary); }
@media (max-width: 1023px) {
  .header-bar { flex-wrap: wrap; padding: 12px 0; }
  .menu-toggle { display: inline-flex; }
  .header-search { order: 3; width: 100%; margin: 0 0 8px; }
  .header-search .field { flex: 1; min-width: 0; width: 100%; }
  .site-nav { display: none; order: 4; width: 100%; flex-direction: column; align-items: stretch; border-top: 1px solid var(--line); padding-bottom: 8px; }
  .site-nav.is-open { display: flex; }
  .site-nav a { border-bottom: 1px solid var(--line); }
  .hero-grid, .quote-grid, .audience, .topic, .wall, .split, .entry-grid, .compare-row, .compare-head { grid-template-columns: 1fr; }
  .entry-short, .hero-side { margin-top: 0; }
  .step-rail { grid-template-columns: 1fr; }
  .step-rail::before { display: none; }
  .metric-rail { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(odd) { border-left: 0; }
  .metric { border-top: 1px solid var(--line); }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .timeline { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  :root { --space: 56px; }
  .container { width: min(1120px, calc(100% - 32px)); }
  h1 { font-size: 30px; line-height: 38px; }
  h2 { font-size: 24px; line-height: 32px; }
  .wide-card { grid-template-columns: 1fr; }
  .metric-rail, .quote-main { padding: 0; }
  .quote-main { padding: 24px; }
  .cta-band { padding: 24px; }
  .brand { max-width: calc(100% - 96px); }
}
@media (max-width: 520px) {
  .metric-rail { grid-template-columns: 1fr; }
  .hero-form { align-items: stretch; }
  .btn { width: 100%; }
  th, td { padding: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category2 */
:root {
 --bg: #F3F6FA;
 --surface: #FFFFFF;
 --ink: #1C2B3A;
 --primary: #1F4E79;
 --secondary: #5B7C99;
 --line: #E3E8EF;
 --mist: #E8EEF5;
 --clay: #C46B4A;
 --clay-deep: #A85638;
 --shadow: 0 10px 28px rgba(31,78,121,.08);
 --shadow-hover: 0 16px 36px rgba(31,78,121,.14);
 --radius: 16px;
 --field: 12px;
 --space: 80px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: #fff;
 border-bottom: 1px solid var(--line);
}
.header-bar {
 min-height: 80px;
 display: flex;
 align-items: center;
 gap: 28px;
}
.brand { display: flex; flex-direction: column; gap: 2px; min-width: 0; max-width: 420px; }
.brand-short { font-size: 12px; line-height: 1.6; color: var(--secondary); letter-spacing: .12em; }
.brand-full { font-size: 16px; line-height: 1.45; font-weight: 700; color: var(--primary); }
.header-search { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.header-search label { font-size: 13px; line-height: 1.6; color: var(--secondary); white-space: nowrap; }
.header-search input {
 width: 180px;
 min-height: 44px;
 padding: 0 12px;
 border: 1px solid var(--line);
 border-radius: var(--field);
 background: #fff;
 color: var(--ink);
 font-size: 14px;
}
.header-search input:focus { outline: 2px solid var(--primary); outline-offset: 2px; border-color: var(--primary); }
.site-nav { display: flex; align-items: center; gap: 8px; }
.site-nav a {
 position: relative;
 display: inline-flex;
 align-items: center;
 gap: 8px;
 min-height: 44px;
 padding: 0 12px;
 color: var(--primary);
 font-size: 15px;
 border-bottom: 2px solid transparent;
 transition: color .2s, border-color .2s;
}
.site-nav a:hover { color: var(--clay-deep); }
.site-nav a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.site-nav a.active { border-bottom-color: var(--primary); font-weight: 700; }
.nav-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--clay); display: inline-block; }
.menu-toggle {
 display: none;
 min-height: 44px;
 padding: 0 16px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--primary);
 cursor: pointer;
}
.menu-toggle:hover { background: var(--mist); }
.menu-toggle:focus-visible, .btn:focus-visible, .text-more:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.section { padding: var(--space) 0; }
.section-mist { background: var(--mist); }
.section-white { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.doc-head { padding: 72px 0 36px; background: var(--surface); border-bottom: 1px solid var(--line); }
.doc-rule {
 margin-left: auto;
 max-width: 760px;
 text-align: right;
 border-left: 2px solid var(--primary);
 padding: 12px 0 8px 28px;
}
.kicker { margin: 0 0 8px; color: var(--secondary); font-size: 13px; letter-spacing: .08em; }
h1 { margin: 0; font-size: 40px; line-height: 1.2; font-weight: 700; color: var(--primary); }
h2 { margin: 0; font-size: 28px; line-height: 1.3; color: var(--primary); }
h3 { margin: 0; font-size: 18px; line-height: 1.45; color: var(--ink); }
.lead { margin: 16px 0 0; color: var(--ink); }
.muted { color: var(--secondary); font-size: 13px; line-height: 1.6; }
.section-head { margin-bottom: 28px; max-width: 640px; }
.section-head.right { margin-left: auto; text-align: right; }
.num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.axis { list-style: none; margin: 8px 0 0; padding: 0 0 0 8px; }
.time-item {
 position: relative;
 padding: 8px 0 28px 28px;
 border-left: 1px solid var(--line);
}
.time-item::before {
 content: "";
 position: absolute;
 left: -5px;
 top: 18px;
 width: 8px;
 height: 8px;
 border-radius: 50%;
 background: var(--clay);
}
.time-item time { display: block; color: var(--secondary); font-size: 13px; }
.time-item p { margin: 8px 0 0; }
.time-item.is-hidden, .band-row.is-hidden { display: none; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 10px; }
.tag {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 background: var(--mist);
 color: var(--primary);
 font-size: 13px;
 line-height: 1.6;
}
.tag-clay { background: rgba(196,107,74,.12); color: var(--clay-deep); }
.more-row { margin: 8px 0 0 28px; }
.text-more {
 display: inline-flex;
 align-items: center;
 min-height: 44px;
 color: var(--primary);
 font-weight: 700;
 border-bottom: 1px solid transparent;
}
.text-more:hover { color: var(--clay-deep); border-bottom-color: var(--clay); }
.empty-note { display: none; margin: 12px 0 0 28px; }
.empty-note.show { display: block; }
.band { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px 28px 12px; }
.band + .band { margin-top: 22px; }
.band-label {
 display: flex;
 justify-content: space-between;
 gap: 16px;
 align-items: baseline;
 padding: 18px 0 8px;
 border-bottom: 1px solid var(--line);
}
.band-row {
 display: grid;
 grid-template-columns: 92px minmax(0, 1.4fr) 120px 88px;
 gap: 12px;
 align-items: center;
 min-height: 64px;
 padding: 14px 0;
 border-bottom: 1px solid var(--line);
}
.band-row:last-child { border-bottom: 0; }
.chip-panel, .quote, .cta-band, .table-wrap {
 background: var(--surface);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.chip-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 36px; align-items: start; }
.chip-panel { padding: 24px; }
.chips { display: flex; flex-direction: column; gap: 12px; }
.chip {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 min-height: 52px;
 padding: 12px 16px;
 border-radius: 12px;
 background: var(--mist);
 color: var(--primary);
 font-weight: 700;
}
.chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); display: inline-block; flex: none; }
.chip.wait i { background: var(--secondary); }
.chip.mute i { background: var(--clay); }
.chip small { font-weight: 400; color: var(--secondary); }
.quote { margin-top: 8px; padding: 56px 48px; }
.quote p { margin: 0; font-size: 22px; line-height: 1.7; color: var(--primary); }
.quote .meta-row { margin-top: 28px; }
.news-list { margin-top: 8px; }
.news-item { padding: 22px 0; border-bottom: 1px solid var(--line); }
.news-item:first-child { border-top: 1px solid var(--line); }
.news-item a { color: var(--primary); font-weight: 700; font-size: 18px; }
.news-item a:hover { color: var(--clay-deep); text-decoration: underline; text-underline-offset: 4px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line); font-size: 15px; }
th { color: var(--secondary); font-weight: 700; font-size: 13px; background: #F8FAFC; }
tr:last-child td { border-bottom: 0; }
tr:hover td { background: #F7FAFD; }
.cta-band { padding: 36px 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 22px;
 border-radius: 999px;
 border: 1px solid transparent;
 font-size: 15px;
 font-weight: 700;
 cursor: pointer;
 transition: background .2s, color .2s, transform .15s, box-shadow .2s;
}
.btn:active { transform: translateY(1px); }
.btn-clay { background: var(--clay); color: #fff; }
.btn-clay:hover { background: var(--clay-deep); }
.site-footer { background: var(--bg); border-top: 1px solid var(--line); padding: 28px 0 36px; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--primary); }
.footer-links a:hover { color: var(--clay-deep); }
@media (max-width: 1023px) {
 .header-bar { flex-wrap: wrap; padding: 12px 0; }
 .menu-toggle { display: inline-flex; margin-left: auto; }
 .header-search { order: 3; width: 100%; margin-left: 0; }
 .header-search input { flex: 1; width: auto; }
 .site-nav {
 display: none;
 order: 4;
 width: 100%;
 flex-direction: column;
 align-items: stretch;
 gap: 0;
 border-top: 1px solid var(--line);
 }
 .site-nav.is-open { display: flex; }
 .site-nav a { border-bottom: 1px solid var(--line); }
 .site-nav a.active { border-bottom-color: var(--line); box-shadow: inset 0 -2px 0 var(--primary); }
 .hero-grid, .chip-layout, .quote-grid { grid-template-columns: 1fr; }
 .band-row { grid-template-columns: 88px minmax(0, 1fr); }
 .band-row span:nth-child(3), .band-row span:nth-child(4) { justify-self: start; }
}
@media (max-width: 767px) {
 :root { --space: 48px; }
 .container { width: min(1120px, calc(100% - 32px)); }
 h1 { font-size: 32px; }
 h2 { font-size: 24px; }
 .doc-rule { text-align: left; }
 .quote { padding: 28px 20px; }
 .quote p { font-size: 18px; }
 .cta-band, .footer-row { flex-direction: column; align-items: flex-start; }
 .band { padding: 8px 16px 12px; }
 .section-head.right { text-align: left; }
}

/* roulang page: category1 */
:root {
  --bg: #F3F6FA;
  --surface: #FFFFFF;
  --ink: #1C2B3A;
  --primary: #1F4E79;
  --secondary: #5B7C99;
  --line: #E3E8EF;
  --mist: #E8EEF5;
  --clay: #C46B4A;
  --clay-deep: #A85638;
  --shadow: 0 10px 28px rgba(31,78,121,.08);
  --shadow-hover: 0 16px 36px rgba(31,78,121,.14);
  --radius: 16px;
  --field: 12px;
  --space: 80px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-bar {
  min-height: 80px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; flex-direction: column; gap: 2px; min-width: 0; max-width: 420px; }
.brand-short { font-size: 12px; line-height: 1.6; color: var(--secondary); letter-spacing: .12em; }
.brand-full { font-size: 16px; line-height: 1.45; font-weight: 700; color: var(--primary); }
.header-search { margin-left: 18px; display: flex; align-items: center; gap: 8px; }
.header-search label { font-size: 13px; line-height: 1.6; color: var(--secondary); white-space: nowrap; }
.header-search input {
  width: 220px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--field);
  background: #fff;
  color: var(--ink);
  font-size: 15px;
}
.header-search input:focus { outline: 2px solid var(--primary); outline-offset: 2px; }
.site-nav { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
  color: var(--primary);
  font-size: 15px;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.site-nav a:hover { color: var(--clay-deep); }
.site-nav a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.site-nav a.active { border-bottom-color: var(--primary); font-weight: 700; }
.nav-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--clay); display: inline-block; }
.menu-toggle {
  display: none;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--primary);
  cursor: pointer;
}
.menu-toggle:hover { background: var(--mist); }
.menu-toggle:focus-visible, .btn:focus-visible, .faq-q:focus-visible, .filter-btn:focus-visible, .more-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.muted { color: var(--secondary); font-size: 13px; line-height: 1.6; }
.band { padding: var(--space) 0; }
.band-white { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band-mist { background: var(--mist); }
h1 { margin: 0; font-size: 40px; line-height: 1.2; font-weight: 700; color: var(--primary); }
h2 { margin: 0; font-size: 28px; line-height: 1.3; font-weight: 700; color: var(--primary); }
h3 { margin: 0; font-size: 18px; line-height: 1.5; font-weight: 700; color: var(--primary); }
.doc-band { padding-bottom: 0; }
.doc-head { text-align: left; border-bottom: 1px solid var(--line); padding-bottom: 28px; }
.doc-range { margin: 12px 0 0; max-width: 640px; }
.control-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 20px;
}
.control-label { font-size: 13px; line-height: 1.6; color: var(--secondary); min-width: 72px; }
.filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--mist);
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, border-color .2s, transform .15s, box-shadow .2s;
}
.filter-btn:hover { background: #fff; border-color: var(--primary); }
.filter-btn:active { transform: translateY(1px); }
.filter-btn.is-on {
  background: #fff;
  border-color: var(--primary);
  box-shadow: inset 0 -2px 0 var(--primary);
}
.filter-btn.is-on::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clay);
  margin-right: 8px;
}
.section-head { margin-bottom: 8px; max-width: 720px; }
.section-head p { margin: 10px 0 0; }
.catalog { margin-top: 8px; }
.catalog-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 112px 128px;
  gap: 8px 24px;
  align-items: center;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: background .2s, box-shadow .2s;
}
.catalog-row:hover { background: rgba(255,255,255,.72); }
.catalog-row p { margin: 6px 0 0; color: var(--ink); }
.status-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--mist);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  justify-self: start;
}
.status-tag i { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); display: inline-block; }
.status-tag.wait { color: var(--secondary); }
.status-tag.wait i { background: var(--secondary); }
.status-tag.mute { color: var(--clay-deep); background: rgba(196,107,74,.12); }
.status-tag.mute i { background: var(--clay); }
.catalog-row time { color: var(--secondary); font-size: 13px; font-variant-numeric: tabular-nums; }
.more-row { display: flex; justify-content: flex-end; margin-top: 18px; }
.more-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--primary);
  font-weight: 700;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.more-link:hover { color: var(--clay-deep); border-bottom-color: var(--clay); }
.empty { margin-top: 18px; }
.note-col { max-width: 680px; }
.note-list { margin: 22px 0 0; padding: 0; list-style: none; }
.note-list li {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.note-list li:last-child { border-bottom: 1px solid var(--line); }
.note-list strong { display: block; color: var(--primary); margin-bottom: 4px; }
.news-list { margin-top: 12px; }
.news-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
}
.news-item:first-child { border-top: 1px solid var(--line); }
.news-item a { color: var(--primary); font-weight: 700; font-size: 18px; }
.news-item a:hover { color: var(--clay-deep); text-decoration: underline; text-underline-offset: 4px; }
.news-item p { margin: 6px 0 0; }
.metric-row {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.metric {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  min-height: 148px;
}
.metric strong {
  display: block;
  font-size: 40px;
  line-height: 1.1;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}
.metric span { display: block; margin-top: 8px; font-weight: 700; color: var(--ink); }
.metric em { display: block; margin-top: 6px; font-style: normal; color: var(--secondary); font-size: 13px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border: 0;
  background: transparent;
  color: var(--primary);
  font-size: 17px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}
.faq-q:hover { color: var(--clay-deep); }
.faq-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  font-size: 18px;
  line-height: 1;
}
.faq-a { display: none; padding: 0 36px 16px 0; color: var(--ink); }
.faq-item.open .faq-a { display: block; }
.faq-item.open .faq-mark { color: var(--clay-deep); }
.cta-band {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cta-band p { margin: 10px 0 0; max-width: 640px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, color .2s, transform .15s, box-shadow .2s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-clay { background: var(--clay); color: #fff; }
.btn-clay:hover { background: var(--clay-deep); }
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 28px 0 36px;
}
.footer-row { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--primary); }
.footer-links a:hover { color: var(--clay-deep); text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 1023px) {
  .header-bar { flex-wrap: wrap; min-height: 72px; padding: 10px 0; gap: 12px 16px; }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .site-nav { display: none; order: 4; width: 100%; margin-left: 0; flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav.is-open { display: flex; }
  .site-nav a { border-bottom: 1px solid var(--line); padding: 0 4px; }
  .header-search { order: 5; width: 100%; margin-left: 0; }
  .header-search input { flex: 1; width: auto; }
  .cta-band { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 768px) {
  .container { width: min(1120px, calc(100% - 32px)); }
  .catalog-row { grid-template-columns: 1fr; gap: 8px; }
  .metric-row { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; align-items: flex-start; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
}
@media (max-width: 520px) {
  .band { padding: 56px 0; }
  .brand-full { font-size: 14px; }
  .filter-btn { flex: 1 1 calc(50% - 12px); }
  .cta-band, .metric { padding: 20px; }
  .header-search { flex-wrap: wrap; }
  .header-search input { width: 100%; }
}