/* roulang page: index */
:root {
  --rose: #E23D6B;
  --vine: #7A3E9D;
  --leaf: #3FA36A;
  --gold: #F4B15A;
  --ink: #2A2230;
  --muted: #6E6274;
  --rice: #FBF6F1;
  --peach: #FFE8EC;
  --card: #FFFFFF;
  --line: rgba(42, 34, 48, 0.1);
  --radius: 26px;
  --shadow: 0 16px 40px rgba(42, 34, 48, 0.08);
  --grad: linear-gradient(135deg, #E23D6B, #7A3E9D);
  --space: 24px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, var(--rice) 0%, #fff 38%, var(--peach) 100%);
  font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; font-size: 16px; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(34px, 4vw, 44px); line-height: 1.25; letter-spacing: 0.01em; }
h2 { font-size: clamp(24px, 2.4vw, 30px); line-height: 1.35; }
h3 { font-size: 20px; line-height: 1.45; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #FBF6F1;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(42, 34, 48, 0.04);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px; }
.logo {
  display: block;
  max-width: 240px;
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  white-space: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.desktop-nav { display: flex; align-items: center; gap: 6px; }
.nav-link, .drawer a, .drawer summary, .drop-link {
  position: relative;
  border-radius: 999px;
  color: var(--ink);
  transition: color .2s ease, background .2s ease, transform .2s ease;
}
.nav-link { display: inline-flex; align-items: center; min-height: 42px; padding: 0 14px; font-weight: 600; }
.nav-link:hover, .drop-link:hover, .drawer a:hover { color: var(--rose); background: rgba(226, 61, 107, 0.08); }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 3px;
  border-radius: 999px;
  background: var(--grad);
}
.nav-item { position: relative; }
.dropdown-panel {
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  width: 320px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.nav-item:hover .dropdown-panel, .nav-item:focus-within .dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.drop-kicker { margin: 8px 0 6px; color: var(--muted); font-size: 13px; }
.drop-link { display: flex; align-items: center; min-height: 38px; padding: 4px 10px; border-radius: 12px; }
.nav-cta {
  margin-left: 8px;
  color: #fff !important;
  background: var(--grad);
  box-shadow: 0 8px 18px rgba(226, 61, 107, 0.28);
}
.nav-cta:hover { color: #fff !important; filter: brightness(1.08); transform: translateY(-2px); }
.mobile-nav { display: none; }
.mobile-nav summary {
  list-style: none;
  min-width: 72px;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-weight: 700;
  cursor: pointer;
}
.mobile-nav summary::-webkit-details-marker { display: none; }
.drawer {
  position: absolute;
  left: 0;
  right: 0;
  top: 76px;
  padding: 8px 16px 18px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.drawer a, .drawer summary {
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: 12px;
  font-weight: 650;
}
.sub-drawer { padding-left: 8px; }
section[id] { scroll-margin-top: 92px; }
.section { padding: 76px 0; }
.section-peach { background: rgba(255, 232, 236, 0.72); }
.section-rice { background: rgba(251, 246, 241, 0.92); }
.hero {
  position: relative;
  padding: 54px 0 62px;
  background: var(--grad);
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -60px;
  top: -80px;
  border-radius: 50%;
  background: rgba(244, 177, 90, 0.28);
}
.hero-grid, .feature-grid, .price-grid, .review-grid, .entry-grid, .related-grid, .case-grid, .koubei-grid, .cta-grid {
  display: grid;
  gap: 22px;
}
.hero-grid { grid-template-columns: 1.25fr 0.85fr; align-items: center; position: relative; z-index: 1; }
.eyebrow, .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 2px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}
.hero .eyebrow { background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.28); }
.lead { margin-top: 14px; font-size: 18px; line-height: 1.7; }
.hero-copy { margin-top: 14px; max-width: 640px; color: rgba(255,255,255,0.92); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-weight: 750;
  cursor: pointer;
  transition: transform .2s ease, filter .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover, button.btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn:focus, button.btn:focus, a:focus, input:focus, summary:focus {
  outline: 2px solid #2A2230;
  outline-offset: 2px;
}
.btn-primary { color: #fff; background: var(--grad); box-shadow: 0 10px 22px rgba(42, 34, 48, 0.18); }
.hero .btn-primary { border-color: rgba(255,255,255,0.75); }
.btn-ghost { color: #fff; background: transparent; border-color: rgba(255,255,255,0.7); }
.btn-dark { color: var(--ink); background: var(--gold); }
.btn-line { color: var(--ink); background: #fff; border-color: rgba(226, 61, 107, 0.35); }
.soft-card, .price-card, .review-card, .entry-card, .info-card, .demo-stage, .koubei-bar, .cta-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.hero-card { position: relative; z-index: 1; color: var(--ink); }
.card-top, .row-between, .meta-line, .news-row, .price-head, .case-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.num {
  color: var(--rose);
  font-weight: 800;
  letter-spacing: 0.04em;
}
.muted { color: var(--muted); }
.hero-card .muted { color: #6E6274; }
.swatch-main, .swatch, .thumb {
  border-radius: 18px;
}
.swatch-main { height: 168px; margin: 16px 0 12px; background: linear-gradient(135deg, #E23D6B 0%, #7A3E9D 58%, #F4B15A 100%); }
.thumb-row, .badge-row, .tag-row, .filter-row { display: flex; flex-wrap: wrap; gap: 8px; }
.thumb { width: 72px; height: 48px; }
.t1 { background: #E23D6B; }
.t2 { background: #7A3E9D; }
.t3 { background: #3FA36A; }
.t4 { background: #F4B15A; }
.badge, .tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 750;
}
.badge-gold { background: var(--gold); color: var(--ink); }
.badge-leaf { background: var(--leaf); color: #fff; }
.badge-soft { background: var(--peach); color: var(--rose); }
.badge-grad {
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box;
  color: var(--ink);
}
.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat {
  padding: 18px 16px 16px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.stat b { display: block; font-size: 30px; line-height: 1.1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.feature-grid { grid-template-columns: 1.4fr 0.8fr; }
.side-stack { display: grid; gap: 22px; }
.feature-main { min-height: 100%; background:
  linear-gradient(#fff, #fff) padding-box,
  var(--grad) border-box;
  border: 2px solid transparent;
}
.scene-rail, .topic-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}
.scene-card, .topic-card {
  flex: 1 0 250px;
  scroll-snap-align: start;
  padding: 20px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.topic-card { min-height: 210px; }
.demo-layout { display: grid; grid-template-columns: 1.5fr 0.7fr; gap: 18px; }
.demo-main {
  min-height: 320px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.35), transparent 28%),
    linear-gradient(145deg, #E23D6B, #7A3E9D 62%, #3FA36A);
  box-shadow: var(--shadow);
}
.demo-side { display: grid; gap: 12px; }
.demo-chip { height: 72px; border-radius: 18px; }
.case-grid { grid-template-columns: 1fr 1fr; align-items: start; }
.case-card:last-child { margin-top: 42px; }
.price-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.price-card { display: flex; flex-direction: column; gap: 12px; min-height: 360px; }
.price-card strong { font-size: 36px; line-height: 1; }
.price-card ul, .point-list, .foot-links { margin: 0; padding: 0; list-style: none; }
.price-card li, .point-list li { position: relative; padding-left: 16px; margin: 8px 0; }
.price-card li::before, .point-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rose);
}
.price-featured {
  color: #fff;
  background: var(--grad);
  border-color: transparent;
  transform: translateY(-8px);
}
.price-featured .muted, .price-featured li { color: rgba(255,255,255,0.9); }
.price-featured li::before { background: var(--gold); }
.review-grid, .related-grid, .entry-grid { grid-template-columns: 1fr 1fr; }
.review-card q { display: block; font-size: 18px; line-height: 1.7; }
.koubei-grid { grid-template-columns: 1.5fr 0.8fr; }
.koubei-bar { display: flex; flex-direction: column; justify-content: center; background: #2A2230; color: #fff; }
.news-list { display: grid; gap: 12px; }
.news-row {
  padding: 16px 18px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .2s ease, box-shadow .2s ease;
}
.news-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.cta-grid { grid-template-columns: 1.1fr 0.9fr; align-items: center; }
.open-form { display: grid; gap: 12px; }
label { display: grid; gap: 6px; font-weight: 700; }
input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}
.faq details {
  border-bottom: 1px solid var(--line);
  background: #fff;
  border-radius: 18px;
  margin-bottom: 10px;
  padding: 4px 16px;
}
.faq summary { min-height: 52px; display: flex; align-items: center; cursor: pointer; font-weight: 750; }
.faq details p { padding-bottom: 12px; }
.entry-card { min-height: 220px; }
.more-link { display: inline-flex; margin-top: 16px; font-weight: 800; color: var(--rose); }
.site-footer { background: #2A2230; color: #FBF6F1; padding: 42px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.foot-links a { color: #FFE8EC; }
.foot-links a:hover { color: var(--gold); }
.copy { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.12); color: rgba(251,246,241,0.78); }
.section-head { max-width: 760px; margin-bottom: 22px; }
.section-head p { margin-top: 10px; color: var(--muted); }
@media (max-width: 1279px) {
  .container { width: min(1100px, calc(100% - 32px)); }
}
@media (max-width: 1023px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .hero-grid, .feature-grid, .demo-layout, .price-grid, .koubei-grid, .cta-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid .feature-main { grid-column: 1 / -1; }
  .price-featured { transform: none; }
  .stat-band { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .section { padding: 52px 0; }
  .hero { padding: 36px 0 42px; }
  .hero-grid, .feature-grid, .demo-layout, .case-grid, .price-grid, .review-grid, .entry-grid, .related-grid, .koubei-grid, .cta-grid, .stat-band {
    grid-template-columns: 1fr;
  }
  .case-card:last-child { margin-top: 0; }
  .logo { max-width: 58vw; font-size: 15px; }
  .card-top, .news-row, .row-between { align-items: flex-start; flex-direction: column; }
  .btn { width: 100%; }
  .btn-row .btn { width: auto; }
}
@media (max-width: 639px) {
  .container { width: calc(100% - 24px); }
  h1 { font-size: 34px; }
  .thumb-row { gap: 6px; }
  .scene-card, .topic-card { flex-basis: 82%; }
}

/* roulang page: category2 */
:root {
  --rose: #E23D6B;
  --vine: #7A3E9D;
  --leaf: #3FA36A;
  --gold: #F4B15A;
  --ink: #2A2230;
  --muted: #6E6274;
  --rice: #FBF6F1;
  --peach: #FFE8EC;
  --card: #FFFFFF;
  --line: rgba(42, 34, 48, 0.1);
  --radius: 26px;
  --shadow: 0 16px 40px rgba(42, 34, 48, 0.08);
  --grad: linear-gradient(135deg, #E23D6B, #7A3E9D);
  --space: 24px;
}
/* roulang page: category2 */
:root {
  --rose: #E23D6B;
  --vine: #7A3E9D;
  --leaf: #3FA36A;
  --gold: #F4B15A;
  --ink: #2A2230;
  --muted: #6E6274;
  --rice: #FBF6F1;
  --peach: #FFE8EC;
  --card: #FFFFFF;
  --line: rgba(42, 34, 48, 0.1);
  --radius: 26px;
  --shadow: 0 16px 40px rgba(42, 34, 48, 0.08);
  --grad: linear-gradient(135deg, #E23D6B, #7A3E9D);
  --space: 24px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, var(--rice) 0%, #fff 38%, var(--peach) 100%);
  font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input, summary { font-family: inherit; font-size: 16px; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #FBF6F1;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(42, 34, 48, 0.04);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px; }
.logo {
  display: block;
  max-width: 240px;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  white-space: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.desktop-nav { display: flex; align-items: center; gap: 6px; }
.nav-link, .drawer a, .drawer summary, .drop-link {
  position: relative;
  border-radius: 999px;
  color: var(--ink);
  transition: color .2s ease, background .2s ease, transform .2s ease;
}
.nav-link { display: inline-flex; align-items: center; min-height: 42px; padding: 0 14px; font-weight: 600; }
.nav-link:hover, .drop-link:hover, .drawer a:hover, .drawer summary:hover { color: var(--rose); background: rgba(226, 61, 107, 0.08); }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 3px;
  border-radius: 999px;
  background: var(--grad);
}
.nav-item { position: relative; }
.drop-panel {
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  min-width: 248px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  z-index: 50;
}
.nav-item:hover .drop-panel,
.nav-item:focus-within .drop-panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.drop-link { display: block; min-height: 40px; padding: 8px 10px; border-radius: 12px; font-weight: 650; }
.drop-kicker { margin: 8px 10px 4px; font-size: 12px; letter-spacing: 0.04em; color: var(--muted); font-weight: 700; }
.nav-cta {
  margin-left: 8px;
  color: #fff !important;
  background: var(--grad);
  box-shadow: 0 8px 18px rgba(226, 61, 107, 0.28);
}
.nav-cta:hover { color: #fff !important; filter: brightness(1.08); transform: translateY(-2px); }
.mobile-nav { display: none; }
.mobile-nav summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-weight: 700;
  cursor: pointer;
}
.mobile-nav summary::-webkit-details-marker,
.sub-drawer summary::-webkit-details-marker { display: none; }
.drawer {
  position: absolute;
  left: 0;
  right: 0;
  top: 76px;
  padding: 8px 16px 18px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.drawer a, .drawer summary {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: 12px;
  font-weight: 650;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.sub-drawer { padding-left: 8px; }
.drawer a[aria-current="page"] { color: var(--rose); background: rgba(226, 61, 107, 0.08); }
section[id] { scroll-margin-top: 92px; }
.section { padding: 76px 0; }
.section-peach { background: rgba(255, 232, 236, 0.72); }
.section-rice { background: rgba(251, 246, 241, 0.92); }
.section-tight { padding: 42px 0; }
.topic-head { padding: 34px 0 22px; border-bottom: 1px solid var(--line); }
.head-row, .band-row, .note-row, .cta-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 22px;
}
.head-copy { max-width: 760px; }
.kicker, .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 2px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  background: var(--peach);
  color: var(--rose);
}
h1 { font-size: 40px; line-height: 1.25; font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: 28px; line-height: 1.35; font-weight: 750; }
h3 { font-size: 18px; line-height: 1.45; font-weight: 750; }
.sub { margin-top: 12px; color: var(--muted); max-width: 680px; }
.stat-badge {
  min-width: 148px;
  padding: 16px 18px 14px;
  border-radius: 22px;
  background: var(--gold);
  color: var(--ink);
  box-shadow: var(--shadow);
  text-align: center;
}
.stat-badge strong { display: block; font-size: 34px; line-height: 1.1; }
.stat-badge span { font-size: 13px; font-weight: 750; }
.anchor-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.anchor-pill {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(226, 61, 107, 0.22);
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.anchor-pill:hover { transform: translateY(-2px); background: var(--grad); color: #fff; }
.timeline { position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 126px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--grad);
}
.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 26px;
  padding-bottom: 18px;
}
.tl-axis { position: relative; padding-top: 18px; text-align: right; padding-right: 28px; }
.tl-axis time { display: block; color: var(--rose); font-weight: 800; font-size: 18px; line-height: 1.2; }
.tl-axis em { display: block; color: var(--muted); font-style: normal; font-size: 13px; font-weight: 700; }
.tl-axis::after {
  content: "";
  position: absolute;
  right: -7px;
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--rose);
}
.tl-card, .note-card, .compare-card, .article-card, .cta-card, .soft-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.tl-card { transition: transform .2s ease, box-shadow .2s ease; }
.tl-card:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(42, 34, 48, 0.12); }
.row-between, .meta-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.muted { color: var(--muted); }
.card-text { margin-top: 8px; color: var(--ink); }
.tag-row, .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.badge, .tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 750;
}
.badge-gold { background: var(--gold); color: var(--ink); }
.badge-leaf { background: var(--leaf); color: #fff; }
.badge-soft { background: var(--peach); color: var(--rose); }
.badge-grad {
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box;
  color: var(--ink);
}
.tag { background: var(--rice); color: var(--vine); border: 1px solid var(--line); }
.more-box { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-weight: 750;
  cursor: pointer;
  transition: transform .2s ease, filter .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover, button.btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn:focus, button.btn:focus, a:focus, input:focus, summary:focus {
  outline: 2px solid #2A2230;
  outline-offset: 2px;
}
.btn-primary { color: #fff; background: var(--grad); box-shadow: 0 10px 22px rgba(42, 34, 48, 0.18); }
.btn-line { color: var(--ink); background: #fff; border-color: rgba(226, 61, 107, 0.35); }
.btn-dark { color: var(--ink); background: var(--gold); }
.note-list { display: grid; gap: 12px; margin-top: 16px; }
.note-list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  min-height: 56px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--rice);
  border: 1px solid var(--line);
  font-weight: 700;
  transition: background .2s ease, transform .2s ease;
}
.note-list a:hover { background: #fff; transform: translateY(-2px); }
.note-list span { color: var(--rose); font-weight: 750; white-space: nowrap; }
.compare-head, .compare-row {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr 0.8fr;
  gap: 12px;
  align-items: center;
}
.compare-head { padding: 0 8px 10px; color: var(--muted); font-size: 13px; font-weight: 800; }
.compare-row {
  min-height: 64px;
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 18px;
  background: linear-gradient(90deg, rgba(255, 232, 236, 0.85), #fff 42%);
  border: 1px solid var(--line);
}
.compare-row b { font-size: 16px; }
.article-list { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 16px; margin-top: 18px; }
.article-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 148px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.article-card:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(42, 34, 48, 0.12); }
.article-card time { color: var(--muted); font-size: 13px; font-weight: 700; }
.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box;
}
.cta-card p { margin-top: 8px; color: var(--muted); max-width: 640px; }
.site-footer { background: #2A2230; color: #FBF6F1; padding: 48px 0 24px; }
.foot-grid { display: flex; justify-content: space-between; gap: 28px; align-items: flex-start; }
.foot-grid p { color: rgba(251, 246, 241, 0.82); }
.foot-links { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; }
.foot-links a { color: #FBF6F1; font-weight: 700; }
.foot-links a:hover { color: var(--gold); }
.copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, 0.12); color: rgba(251, 246, 241, 0.72); font-size: 14px; }
@media (max-width: 1280px) {
  h1 { font-size: 36px; }
}
@media (max-width: 1024px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .article-list { grid-template-columns: 1fr; }
  .timeline::before { left: 112px; }
  .tl-item { grid-template-columns: 128px minmax(0, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 52px 0; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .head-row, .more-box, .cta-card, .foot-grid, .note-list a { display: block; }
  .stat-badge { margin-top: 16px; display: inline-block; }
  .timeline::before { left: 7px; }
  .tl-item { grid-template-columns: 1fr; padding-left: 28px; gap: 8px; }
  .tl-axis { text-align: left; padding: 8px 0 0; }
  .tl-axis::after { left: -27px; right: auto; top: 12px; }
  .compare-head { display: none; }
  .compare-row { grid-template-columns: 1fr; gap: 4px; }
  .logo { max-width: 58vw; font-size: 16px; }
  .foot-links { margin-top: 16px; }
}
@media (max-width: 640px) {
  .container { width: min(1180px, calc(100% - 24px)); }
  h1 { font-size: 28px; }
  .topic-head { padding-top: 24px; }
  .tl-card, .cta-card, .article-card, .compare-card { padding: 20px; }
  .btn { width: 100%; margin-top: 12px; }
  .more-box .btn, .cta-card .btn { width: auto; }
}
@media (max-width: 520px) {
  .header-inner { min-height: 70px; }
  .drawer { top: 70px; }
  .anchor-pill { width: 100%; justify-content: center; }
}

/* roulang page: category1 */
:root {
  --rose: #E23D6B;
  --vine: #7A3E9D;
  --leaf: #3FA36A;
  --gold: #F4B15A;
  --ink: #2A2230;
  --muted: #6E6274;
  --rice: #FBF6F1;
  --peach: #FFE8EC;
  --card: #FFFFFF;
  --line: rgba(42, 34, 48, 0.1);
  --radius: 26px;
  --shadow: 0 16px 40px rgba(42, 34, 48, 0.08);
  --grad: linear-gradient(135deg, #E23D6B, #7A3E9D);
  --space: 24px;
}
/* roulang page: category1 */
html { scroll-behavior: smooth; box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, var(--rice) 0%, #fff 38%, var(--peach) 100%);
  font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, summary { font-family: inherit; font-size: 16px; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 12px; }
h1, h2, h3 { line-height: 1.3; font-weight: 760; }
h1 { font-size: clamp(34px, 4vw, 44px); margin: 8px 0 12px; }
h2 { font-size: clamp(24px, 3vw, 30px); margin: 0 0 14px; }
h3 { font-size: 20px; margin: 12px 0 8px; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #FBF6F1;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(42, 34, 48, 0.04);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px; }
.logo {
  display: block;
  max-width: 280px;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  white-space: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.desktop-nav { display: flex; align-items: center; gap: 6px; }
.nav-link, .drawer a, .drawer summary, .drop-link {
  position: relative;
  border-radius: 999px;
  color: var(--ink);
  transition: color .2s ease, background .2s ease, transform .2s ease;
}
.nav-link { display: inline-flex; align-items: center; min-height: 42px; padding: 0 14px; font-weight: 600; }
.nav-link:hover, .drop-link:hover, .drawer a:hover, .drawer summary:hover { color: var(--rose); background: rgba(226, 61, 107, 0.08); }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 3px;
  border-radius: 999px;
  background: var(--grad);
}
.nav-item { position: relative; }
.drop-panel {
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  min-width: 248px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 50;
}
.nav-item:nth-last-child(2) .drop-panel { left: auto; right: 0; }
.nav-item:hover .drop-panel,
.nav-item:focus-within .drop-panel,
.group:hover .drop-panel,
.group:focus-within .drop-panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.drop-kicker {
  margin: 8px 6px 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}
.drop-link { display: block; padding: 8px 10px; border-radius: 12px; font-weight: 650; }
.nav-cta {
  margin-left: 8px;
  color: #fff !important;
  background: var(--grad);
  box-shadow: 0 8px 18px rgba(226, 61, 107, 0.28);
}
.nav-cta:hover { color: #fff !important; filter: brightness(1.08); transform: translateY(-2px); }
.mobile-nav { display: none; }
.mobile-nav > summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-weight: 700;
  cursor: pointer;
}
.mobile-nav summary::-webkit-details-marker { display: none; }
.drawer {
  position: absolute;
  left: 0;
  right: 0;
  top: 76px;
  padding: 8px 16px 18px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.drawer a, .drawer summary {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: 12px;
  font-weight: 650;
}
.drawer a[href="#kaitong"] {
  margin-top: 8px;
  justify-content: center;
  color: #fff;
  background: var(--grad);
}
.sub-drawer { padding-left: 8px; }
section[id] { scroll-margin-top: 92px; }
.section { padding: 68px 0; }
.section-peach { background: rgba(255, 232, 236, 0.72); }
.section-rice { background: rgba(251, 246, 241, 0.92); }
.section-plain { background: rgba(255, 255, 255, 0.66); }
.kicker, .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 2px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  background: var(--peach);
  color: var(--rose);
}
.subhead { max-width: 680px; color: var(--muted); margin: 0; }
.muted { color: var(--muted); }
.catalog-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.sort-row, .filter-row, .tag-row, .badge-row, .thumb-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag, .badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 2px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 750;
}
.tag { background: #fff; color: var(--ink); border: 1px solid rgba(226, 61, 107, 0.28); }
.tag.is-on {
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box;
}
.badge-gold { background: var(--gold); color: var(--ink); }
.badge-leaf { background: var(--leaf); color: #fff; }
.badge-soft { background: var(--peach); color: var(--rose); }
.badge-grad {
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box;
  color: var(--ink);
}
.soft-card, .cta-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  min-width: 0;
  transition: transform .2s ease, box-shadow .2s ease;
}
.soft-card:hover { transform: translateY(-2px); box-shadow: 0 20px 44px rgba(42, 34, 48, 0.12); }
.entry-main {
  display: grid;
  grid-template-columns: 1.35fr 0.75fr;
  gap: 22px;
  align-items: center;
}
.sub-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.swatch-main, .swatch, .thumb { border-radius: 18px; }
.swatch-main { min-height: 220px; background: linear-gradient(135deg, #E23D6B 0%, #7A3E9D 58%, #F4B15A 100%); }
.swatch { height: 92px; margin-bottom: 8px; }
.swatch-a { background: linear-gradient(160deg, #F4B15A, #E23D6B); }
.swatch-b { background: linear-gradient(160deg, #3FA36A, #7A3E9D); }
.swatch-c { background: linear-gradient(160deg, #FFE8EC, #E23D6B); }
.swatch-d { background: linear-gradient(160deg, #7A3E9D, #F4B15A); }
.card-top, .row-between, .meta-line { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-weight: 750;
  cursor: pointer;
  transition: transform .2s ease, filter .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover, button.btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn:active { transform: translateY(0); filter: brightness(0.98); }
.btn:focus, a:focus, input:focus, summary:focus, button:focus {
  outline: 2px solid #2A2230;
  outline-offset: 2px;
}
.btn-primary { color: #fff; background: var(--grad); box-shadow: 0 10px 22px rgba(42, 34, 48, 0.16); }
.btn-line { color: var(--ink); background: #fff; border-color: rgba(226, 61, 107, 0.35); }
.btn-dark { color: var(--ink); background: var(--gold); }
.more-bar, .scene-card, .cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.batch-list, .update-list, .relate-list { list-style: none; padding: 0; margin: 16px 0 0; }
.batch-list li, .update-list li, .relate-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.batch-list li:last-child, .update-list li:last-child, .relate-list li:last-child { border-bottom: 0; }
.update-list a, .relate-list a { font-weight: 700; }
.update-list a:hover, .relate-list a:hover, .scene-card a:hover { color: var(--rose); }
.date-chip { color: var(--muted); font-size: 14px; white-space: nowrap; }
.scene-list { display: grid; gap: 16px; }
.scene-card { padding: 0; overflow: hidden; }
.scene-mark {
  width: 148px;
  min-height: 132px;
  flex: none;
}
.scene-copy { padding: 20px 8px 20px 0; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 4px 18px;
  margin-bottom: 12px;
  box-shadow: 0 8px 24px rgba(42, 34, 48, 0.04);
}
.faq-item summary {
  min-height: 54px;
  display: flex;
  align-items: center;
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { color: var(--muted); margin: 0 0 14px; }
.cta-card { margin-top: 22px; }
.cta-card h3 {
  font-size: clamp(24px, 3vw, 30px);
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.site-footer { background: #2A2230; color: #FBF6F1; padding: 48px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 18px; list-style: none; padding: 0; margin: 18px 0 0; }
.foot-links a { color: #FBF6F1; font-weight: 650; }
.foot-links a:hover { color: var(--gold); }
.copy { margin: 28px 0 0; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.12); color: rgba(251,246,241,0.72); font-size: 14px; }
@media (max-width: 1280px) {
  .container { width: min(1100px, calc(100% - 32px)); }
}
@media (max-width: 1024px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .entry-main { grid-template-columns: 1fr; }
  .scene-mark { width: 112px; }
}
@media (max-width: 768px) {
  .section { padding: 52px 0; }
  .catalog-head, .more-bar, .cta-band, .scene-card { align-items: stretch; flex-direction: column; }
  .sub-grid { grid-template-columns: 1fr; }
  .scene-mark { width: 100%; min-height: 96px; }
  .scene-copy { padding: 4px 20px 20px; }
  .update-list li, .relate-list li, .batch-list li { flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .logo { font-size: 15px; max-width: 62vw; }
  h1 { font-size: 32px; }
  .header-inner { min-height: 68px; }
  .drawer { top: 68px; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 24px); }
  .btn, .nav-cta { width: 100%; }
  .card-top { align-items: flex-start; flex-direction: column; }
  .soft-card, .cta-card { padding: 20px; }
}