/* roulang page: index */
:root {
  --primary: #2E6BFF;
  --primary-dark: #2458E6;
  --title: #1F3A5F;
  --text: #1C2430;
  --muted: #5C6B7A;
  --bg: #F3F6FB;
  --card: #FFFFFF;
  --accent: #D97746;
  --line: rgba(31, 58, 95, 0.08);
  --shadow: 0 8px 24px rgba(31, 58, 95, 0.08);
  --shadow-hover: 0 14px 32px rgba(31, 58, 95, 0.14);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --container: 1120px;
  --section-y: 88px;
  --font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
img, svg { display: block; max-width: 100%; }
button, input { font-family: inherit; }
a { color: var(--primary); text-decoration: none; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; color: var(--title); line-height: 1.35; letter-spacing: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header { padding: 16px 0 0; background: transparent; }
.nav-panel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--title); flex: 0 0 auto; min-height: 44px; }
.brand:hover { color: var(--title); text-decoration: none; }
.brand-mark { width: 10px; height: 10px; border-radius: 3px; background: var(--primary); }
.brand-name { font-size: 18px; font-weight: 700; white-space: nowrap; }
.nav-entries { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--title);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.nav-chip svg { width: 16px; height: 16px; flex: 0 0 auto; }
.nav-chip.is-active { color: var(--primary); background: #fff; border-color: var(--primary); }
.nav-cta { flex: 0 0 auto; }
.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;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover, .btn:focus { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-ghost { background: #fff; color: var(--primary); border-color: rgba(46, 107, 255, 0.35); }
.btn-block { width: 100%; }
@media (hover: hover) {
  .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
  .btn-ghost:hover { background: #f5f8ff; color: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); }
  .nav-chip:hover { color: var(--primary-dark); transform: translateY(-1px); }
}
@media (hover: none) {
  .btn-primary:active, .nav-chip:active { background: var(--primary-dark); color: #fff; transform: translateY(1px); }
  .btn-ghost:active { transform: translateY(1px); }
}
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.section { padding: var(--section-y) 0; }
.section-white { background: #fff; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2 { font-size: 30px; margin-bottom: 10px; }
.section-head p { color: var(--muted); font-size: 15px; }
.hero { padding-top: 36px; }
.hero-grid { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 28px; align-items: center; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(217, 119, 70, 0.12);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}
.hero h1 { font-size: 40px; margin: 14px 0 12px; }
.hero-lead { color: var(--text); font-size: 16px; margin-bottom: 14px; }
.qualify { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 18px;
}
.panel-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.panel-top strong { color: var(--title); font-size: 16px; }
.chip-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.mini-chip { padding: 4px 8px; border-radius: 999px; background: var(--bg); color: var(--muted); font-size: 12px; }
.fake-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}
.fake-row b { display: block; color: var(--title); font-size: 14px; font-weight: 700; }
.fake-row span { color: var(--muted); font-size: 12px; }
.tag { font-size: 12px; color: var(--primary); font-weight: 700; }
.stat-cell { padding: 8px; }
.stat-card {
  background: var(--card);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 18px 16px;
  min-height: 118px;
}
.stat-card strong { display: block; font-size: 28px; color: var(--title); line-height: 1.2; }
.stat-card span { display: block; margin-top: 6px; color: var(--muted); font-size: 14px; }
.feature-bento {
  display: grid;
  grid-template-columns: 1.45fr 1fr 1fr;
  grid-template-areas: "search region clarity" "search sort fav";
  gap: 16px;
}
.f-search { grid-area: search; }
.f-region { grid-area: region; }
.f-clarity { grid-area: clarity; }
.f-sort { grid-area: sort; }
.f-fav { grid-area: fav; }
.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 18px;
  transition: box-shadow .2s ease;
}
.feature-card:hover { box-shadow: var(--shadow-hover); }
.feature-card .icon-box, .scene-card .icon-box {
  width: 36px; height: 36px; border-radius: 10px; background: rgba(46, 107, 255, 0.08);
  color: var(--primary); display: flex; align-items: center; justify-content: center; margin-bottom: 12px;
}
.feature-card .icon-box svg, .scene-card .icon-box svg { width: 18px; height: 18px; }
.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p, .soft { color: var(--muted); font-size: 14px; }
.query-line { margin-top: 16px; background: var(--bg); border-radius: 10px; padding: 10px 12px; color: var(--title); font-size: 14px; }
.catalog-grid { display: grid; grid-template-columns: 1.35fr 0.8fr; gap: 16px; }
.catalog-main {
  display: flex; flex-direction: column; justify-content: space-between; min-height: 280px;
  background: var(--card); border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow); padding: 24px;
}
.catalog-main h3 { font-size: 26px; margin: 12px 0; }
.side-stack { display: flex; flex-direction: column; gap: 12px; }
.side-link {
  display: block; background: var(--card); border-radius: var(--radius-md); border: 1px solid var(--line);
  box-shadow: var(--shadow); padding: 16px; color: var(--title); transition: box-shadow .2s ease;
}
.side-link:hover { color: var(--title); text-decoration: none; box-shadow: var(--shadow-hover); }
.side-link b { display: block; margin-bottom: 4px; }
.side-link span { color: var(--muted); font-size: 13px; }
.scene-rail { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
.scene-card {
  flex: 0 0 270px; scroll-snap-align: start; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 18px; min-height: 210px;
}
.scene-card h3 { font-size: 18px; margin-bottom: 8px; }
.step-no { color: var(--primary); font-size: 13px; font-weight: 700; }
.demo-layout { display: grid; grid-template-columns: 1.35fr 0.75fr; gap: 20px; align-items: center; }
.stage-window { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.stage-bar { display: flex; gap: 6px; padding: 12px 14px; background: #f7f9fc; border-bottom: 1px solid var(--line); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #d5deea; }
.stage-body { padding: 16px; }
.filter-bar { display: flex; gap: 8px; margin-bottom: 8px; }
.filter-bar i { font-style: normal; background: #eef3ff; color: var(--primary); border-radius: 8px; padding: 6px 10px; font-size: 12px; font-weight: 700; }
.list-line { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.list-line b { color: var(--title); font-size: 14px; }
.list-line span { color: var(--muted); font-size: 12px; }
.play-entry { margin-top: 14px; display: flex; justify-content: space-between; align-items: center; background: var(--bg); border-radius: 12px; padding: 12px; }
.callout-list { border-left: 2px solid rgba(46, 107, 255, 0.35); padding-left: 16px; display: flex; flex-direction: column; gap: 18px; }
.callout-list li { display: grid; grid-template-columns: 36px 1fr; gap: 8px; }
.callout-list em { font-style: normal; color: var(--primary); font-weight: 700; }
.callout-list p { color: var(--muted); font-size: 14px; }
.topic-grid, .compare-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 16px; }
.compare-grid { grid-template-columns: 1fr 1fr; }
.entry-list { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.entry-item { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--line); align-items: center; }
.entry-item:last-child { border-bottom: 0; }
.entry-item a { color: var(--title); font-weight: 700; }
.entry-item a:hover { color: var(--primary); text-decoration: none; }
.entry-item small, .muted { color: var(--muted); font-size: 13px; }
.summary-card, .compare-card, .case-card, .plan-card, .review-card, .voice-card, .faq-item, .cta-card, .news-wrap, .path-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow);
}
.summary-card, .compare-card { padding: 22px; }
.summary-card h3, .compare-card h3 { font-size: 20px; margin-bottom: 10px; }
.summary-card ul li, .compare-card li { padding: 8px 0; border-top: 1px solid var(--line); color: var(--text); font-size: 14px; }
.case-grid { display: grid; grid-template-columns: 1.15fr 0.85fr 1fr; gap: 16px; align-items: start; }
.case-card { padding: 20px; transition: box-shadow .2s ease; }
.case-card:hover { box-shadow: var(--shadow-hover); }
.case-card:nth-child(2) { margin-top: 32px; }
.case-card:nth-child(3) { margin-top: 14px; }
.case-card h3 { font-size: 18px; margin: 8px 0; }
.case-card p { color: var(--muted); font-size: 14px; }
.plan-cell { padding: 8px; }
.plan-card { padding: 22px 20px 20px; height: 100%; display: flex; flex-direction: column; gap: 8px; }
.plan-card.is-hot { border-color: var(--accent); }
.plan-card h3 { font-size: 20px; }
.price { font-size: 32px; color: var(--title); font-weight: 700; line-height: 1.1; }
.plan-card.is-hot .price { color: var(--accent); }
.price small { font-size: 14px; font-weight: 600; color: var(--muted); }
.plan-card ul { margin: 8px 0 16px; }
.plan-card li { padding: 7px 0; border-top: 1px solid var(--line); font-size: 14px; color: var(--text); }
.plan-card .btn { margin-top: auto; }
.review-wall { columns: 2; column-gap: 16px; }
.review-card { break-inside: avoid; margin: 0 0 16px; padding: 16px 18px; }
.review-card p { font-size: 15px; }
.review-card span { display: block; margin-top: 10px; color: var(--muted); font-size: 13px; }
.voice-card { padding: 28px; display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 22px; }
.voice-card blockquote { margin: 0; font-size: 22px; line-height: 1.6; color: var(--title); font-weight: 700; }
.voice-card blockquote footer { margin-top: 12px; font-size: 14px; font-weight: 500; color: var(--muted); }
.short-quotes li { padding: 12px 0; border-top: 1px solid var(--line); }
.short-quotes li:first-child { border-top: 0; padding-top: 0; }
.short-quotes p { font-size: 14px; }
.short-quotes span { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }
.news-wrap { padding: 6px 20px; }
.news-item { display: grid; grid-template-columns: 108px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.news-item:last-child { border-bottom: 0; }
.news-item time { color: var(--muted); font-size: 13px; padding-top: 2px; }
.news-item a { color: var(--title); font-weight: 700; }
.news-item a:hover { color: var(--primary); }
.news-item p { color: var(--muted); font-size: 14px; margin-top: 4px; }
.path-card { padding: 22px; }
.path-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; position: relative; }
.path-steps li { background: var(--bg); border-radius: var(--radius-md); padding: 16px; min-height: 148px; }
.path-steps strong { display: block; margin: 6px 0; color: var(--title); }
.path-steps p { color: var(--muted); font-size: 14px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { padding: 0 18px; }
.faq-item summary { cursor: pointer; min-height: 56px; display: flex; align-items: center; font-weight: 700; color: var(--title); list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; margin-left: auto; color: var(--primary); font-weight: 700; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); padding: 0 0 16px; font-size: 14px; }
.cta-card { padding: 36px 32px; display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.cta-card h2 { font-size: 30px; margin-bottom: 8px; }
.cta-card p { color: var(--muted); max-width: 640px; }
.cta-actions { display: flex; gap: 12px; flex: 0 0 auto; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 24px; }
.site-footer h3 { font-size: 16px; margin: 12px 0; }
.site-footer a { display: block; color: var(--muted); padding: 4px 0; font-size: 14px; }
.site-footer a:hover { color: var(--primary); }
.footer-brand { color: var(--title); font-weight: 700; font-size: 18px; }
.copyright { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
@media (max-width: 1024px) {
  .nav-panel { flex-wrap: wrap; }
  .nav-cta { margin-left: auto; }
  .nav-entries { order: 3; width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); }
  .hero h1 { font-size: 34px; }
  .feature-bento { grid-template-columns: 1fr 1fr; grid-template-areas: "search search" "region clarity" "sort fav"; }
  .case-grid, .demo-layout, .topic-grid, .voice-card, .cta-card { grid-template-columns: 1fr; }
  .case-card:nth-child(2), .case-card:nth-child(3) { margin-top: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .path-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --section-y: 44px; }
  .section-head h2, .cta-card h2, .hero h1 { font-size: 28px; }
  .nav-panel { flex-direction: column; align-items: stretch; }
  .nav-cta, .nav-cta .btn { width: 100%; }
  .nav-entries { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .catalog-grid, .compare-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 20px; }
  .review-wall { columns: 1; }
  .news-item { grid-template-columns: 1fr; gap: 4px; }
  .cta-card { padding: 24px 18px; }
  .cta-actions { width: 100%; flex-direction: column; }
  .scene-rail { margin-right: -20px; padding-right: 20px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .feature-bento, .path-steps, .footer-grid, .nav-entries { grid-template-columns: 1fr; }
  .brand-name { white-space: normal; }
  .stat-card strong { font-size: 24px; }
  .demo-layout { overflow-x: auto; }
  .stage-window { min-width: 280px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --primary: #2E6BFF;
  --primary-dark: #2458E6;
  --title: #1F3A5F;
  --text: #1C2430;
  --muted: #5C6B7A;
  --bg: #F3F6FB;
  --card: #FFFFFF;
  --accent: #D97746;
  --line: rgba(31, 58, 95, 0.08);
  --shadow: 0 8px 24px rgba(31, 58, 95, 0.08);
  --shadow-hover: 0 14px 32px rgba(31, 58, 95, 0.14);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --container: 1120px;
  --section-y: 88px;
  --font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
/* roulang page: category1 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
img, svg { display: block; max-width: 100%; }
button, input { font-family: inherit; }
a { color: var(--primary); text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { color: var(--title); line-height: 1.35; font-weight: 700; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header { padding: 16px 0 0; background: transparent; }
.nav-panel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--title); flex: 0 0 auto; min-height: 44px; }
.brand:hover { color: var(--title); text-decoration: none; }
.brand-mark { width: 10px; height: 10px; border-radius: 3px; background: var(--primary); flex: 0 0 auto; }
.brand-name { font-size: 18px; font-weight: 700; white-space: nowrap; }
.nav-entries { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--title);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.nav-chip svg { width: 16px; height: 16px; flex: 0 0 auto; }
.nav-chip.is-active { color: var(--primary); background: #fff; border-color: var(--primary); }
.nav-cta { flex: 0 0 auto; }
.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;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover, .btn:focus { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-ghost { background: #fff; color: var(--primary); border-color: rgba(46, 107, 255, 0.35); }
.btn-block { width: 100%; }
.btn:focus-visible, .nav-chip:focus-visible, .filter-chip:focus-visible, a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.section { padding: var(--section-y) 0; }
.section-white { background: #fff; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2 { font-size: 30px; margin-bottom: 10px; }
.section-head p { color: var(--muted); font-size: 15px; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(217, 119, 70, 0.12);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(46, 107, 255, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}
.page-head-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 28px;
  align-items: end;
}
.page-kicker { margin-bottom: 12px; }
.page-head h1 { font-size: 40px; margin: 0 0 12px; }
.page-lead { color: var(--text); font-size: 16px; max-width: 640px; }
.result-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
}
.result-panel strong {
  display: block;
  font-size: 32px;
  line-height: 1.1;
  color: var(--title);
}
.result-panel .result-label { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.result-panel .result-sort {
  display: block;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--title);
  font-size: 14px;
  font-style: normal;
  font-weight: 700;
}
.filter-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.filter-group {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 16px;
}
.filter-group h3 { font-size: 16px; margin-bottom: 12px; }
.filter-options { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-chip {
  min-height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--title);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease, box-shadow .2s ease;
}
.filter-chip.is-selected {
  border-color: var(--primary);
  color: var(--primary);
  background: #fff;
}
.list-stack { display: flex; flex-direction: column; gap: 14px; }
.row-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  transition: box-shadow .2s ease;
}
.row-card:hover { box-shadow: var(--shadow-hover); }
.row-card h3 { font-size: 18px; margin-bottom: 6px; }
.row-card h3 a { color: var(--title); }
.row-card h3 a:hover { color: var(--primary); }
.row-card p { color: var(--muted); font-size: 14px; }
.row-status { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; min-width: 148px; }
.row-status time { color: var(--muted); font-size: 13px; }
.row-link { font-size: 14px; font-weight: 700; }
.list-more { margin-top: 18px; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.spec-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 22px;
  min-height: 180px;
}
.spec-card h3 { font-size: 20px; margin: 12px 0 8px; }
.spec-card p { color: var(--muted); font-size: 15px; }
.icon-box {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(46, 107, 255, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-box svg { width: 18px; height: 18px; }
.extend-list { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.extend-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border-top: 1px solid var(--line);
  color: inherit;
}
.extend-item:first-child { border-top: 0; }
.extend-item time { color: var(--muted); font-size: 13px; }
.extend-item strong { display: block; color: var(--title); font-size: 16px; }
.extend-item span { display: block; color: var(--muted); font-size: 14px; margin-top: 4px; }
.extend-item em { font-style: normal; color: var(--primary); font-weight: 700; font-size: 14px; }
.extend-item:hover strong { color: var(--primary); }
.scene-rows {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.scene-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  padding: 20px 22px;
  border-top: 1px solid var(--line);
}
.scene-row:first-child { border-top: 0; }
.scene-row b { color: var(--title); font-size: 16px; }
.scene-row p { color: var(--muted); font-size: 15px; }
.quote-list { display: flex; flex-direction: column; gap: 12px; max-width: 760px; }
.quote-item {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.quote-item b { display: block; color: var(--title); font-size: 14px; margin-bottom: 6px; }
.quote-item p { color: var(--text); font-size: 15px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 0 18px;
}
.faq-item summary {
  min-height: 56px;
  display: flex;
  align-items: center;
  cursor: pointer;
  color: var(--title);
  font-weight: 700;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: rotate(45deg);
}
.faq-item[open] summary::after { transform: rotate(225deg); margin-top: 6px; }
.faq-item p { color: var(--muted); font-size: 15px; padding: 0 0 16px; max-width: 720px; }
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 28px;
}
.footer-brand { color: var(--title); font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.site-footer h3 { font-size: 15px; margin-bottom: 10px; }
.site-footer a { display: block; color: var(--muted); font-size: 14px; padding: 4px 0; }
.site-footer a:hover { color: var(--primary); }
.copyright {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
@media (hover: hover) and (min-width: 769px) {
  .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
  .btn-ghost:hover { background: #f5f8ff; color: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); }
  .nav-chip:hover { color: var(--primary-dark); transform: translateY(-1px); }
  .filter-chip:hover { border-color: var(--primary); color: var(--primary-dark); }
}
.btn-primary:active, .nav-chip:active { background: var(--primary-dark); color: #fff; transform: translateY(1px); }
.btn-ghost:active, .filter-chip:active { transform: translateY(1px); }
@media (max-width: 1024px) {
  .page-head h1, .section-head h2 { font-size: 32px; }
  .nav-panel { flex-wrap: wrap; }
  .nav-entries { order: 3; flex: 1 1 100%; overflow-x: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 22px; }
  .extend-item { grid-template-columns: 96px 1fr; }
  .extend-item em { display: none; }
}
@media (max-width: 768px) {
  :root { --section-y: 44px; }
  .nav-panel { flex-direction: column; align-items: stretch; }
  .brand { width: 100%; }
  .nav-entries {
    display: grid;
    grid-template-columns: 1fr 1fr;
    order: 0;
    width: 100%;
    overflow: visible;
  }
  .nav-cta { width: 100%; }
  .nav-cta .btn { width: 100%; }
  .page-head-grid, .filter-bar, .spec-grid, .scene-row, .row-card, .footer-grid {
    grid-template-columns: 1fr;
  }
  .row-status { align-items: flex-start; min-width: 0; flex-direction: row; flex-wrap: wrap; }
  .page-head h1 { font-size: 30px; }
  .section-head h2 { font-size: 26px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 32px)); }
  .brand-name { white-space: normal; font-size: 16px; }
  .page-head h1 { font-size: 26px; }
  .extend-item { grid-template-columns: 1fr; gap: 6px; }
  .filter-chip, .nav-chip, .btn { min-height: 44px; }
}