/* roulang page: index */
:root {
  --ink: #241C22;
  --plum: #6A3148;
  --apricot: #E6A98A;
  --paper: #F7F2EC;
  --panel: #FFFCF8;
  --night: #1A1418;
  --line: #E7D9D2;
  --muted: #6E5A62;
  --soft: #F3E7E0;
  --radius: 18px;
  --shadow: 0 10px 28px rgba(36, 28, 34, .08);
  --header: 64px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 .75em; }
h1, h2, h3 {
  font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
  line-height: 1.25;
  font-weight: 700;
  margin: 0;
}
ul { margin: 0; padding: 0; }
::selection { background: var(--apricot); color: var(--ink); }
:focus-visible { outline: 2px solid var(--apricot); outline-offset: 2px; }
[hidden] { display: none !important; }
.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 80;
  background: var(--apricot);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 12px;
}
.skip:focus { top: 76px; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header);
  z-index: 50;
  background: rgba(26, 20, 24, .94);
  border-bottom: 1px solid rgba(231, 217, 210, .16);
  box-shadow: 0 8px 24px rgba(26, 20, 24, .18);
}
.nav-bar { height: var(--header); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav-left { display: flex; align-items: center; gap: 18px; min-width: 0; }
.logo {
  color: var(--paper);
  font-family: "Songti SC", "Noto Serif SC", serif;
  font-weight: 700;
  font-size: clamp(11px, 1.35vw, 15px);
  line-height: 1.25;
  white-space: nowrap;
  transition: color .2s ease;
}
.logo:hover { color: var(--apricot); }
.channels { display: flex; align-items: center; gap: 4px; }
.channel-link {
  color: var(--paper);
  font-size: 14px;
  padding: 8px 10px 10px;
  border-radius: 12px;
  transition: color .2s ease, background .2s ease;
}
.channel-link:hover { color: var(--apricot); }
.channel-link.is-active { color: var(--apricot); box-shadow: inset 0 -2px 0 var(--apricot); }
.nav-tools { display: flex; align-items: center; gap: 10px; }
.search-box { position: relative; }
.search-box input {
  width: 196px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(231, 217, 210, .35);
  background: #241C22;
  color: var(--paper);
  padding: 0 14px;
  transition: border-color .2s ease, background .2s ease;
}
.search-box input::placeholder { color: #cbb8b0; }
.search-box input:hover { border-color: var(--apricot); }
.menu-btn { display: none; min-height: 38px; padding: 0 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-solid { background: var(--plum); color: var(--panel); border-color: var(--plum); }
.btn-solid:hover { background: #55263a; border-color: #55263a; }
.btn-line { background: transparent; color: var(--plum); border-color: var(--plum); }
.btn-line:hover { background: rgba(106, 49, 72, .08); }
.btn-line.on-dark { color: var(--paper); border-color: rgba(247, 242, 236, .72); }
.btn-line.on-dark:hover { background: rgba(247, 242, 236, .08); }
.btn-night { background: var(--paper); color: var(--night); border-color: var(--paper); }
.btn-night:hover { background: #fff; }
.band { padding: 72px 0; position: relative; }
.band-paper { background: var(--paper); color: var(--ink); }
.band-night { background: var(--night); color: var(--paper); }
.hero {
  padding-top: calc(72px + var(--header));
  background:
    radial-gradient(820px 380px at 88% 12%, rgba(230, 169, 138, .18), transparent 62%),
    var(--night);
}
.hero-grid, .switch-box, .demo-wall, .case-layout, .news-layout, .entry-grid, .cta-inner, .price-grid, .compare {
  display: grid;
  gap: 22px;
}
.hero-grid { grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr); align-items: center; }
.kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(230, 169, 138, .18);
  color: var(--apricot);
  font-size: 13px;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
h1 { font-size: clamp(32px, 4vw, 50px); max-width: 11em; }
h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 12px; }
h3 { font-size: 22px; }
.subhead { color: var(--apricot); font-size: 18px; margin: 14px 0 10px; }
.lede { max-width: 40em; color: inherit; }
.band-paper .lede { color: var(--muted); }
.band-night .lede { color: var(--soft); }
.hero-actions, .switch-tabs, .mini-chips, .chip-row { display: flex; gap: 10px; }
.hero-actions { margin-top: 18px; flex-wrap: wrap; }
.hero-cover, .frame { position: relative; border-radius: var(--radius); overflow: hidden; background: #311f29; }
.hero-cover { border: 1px solid rgba(231, 217, 210, .28); box-shadow: var(--shadow); max-width: 460px; margin-left: auto; }
.hero-cover img, .portrait { aspect-ratio: 3 / 4; width: 100%; object-fit: cover; }
.cover-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 48px 16px 16px;
  background: linear-gradient(180deg, transparent, rgba(26, 20, 24, .92));
  color: var(--paper);
}
.badge, .chip, .tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--apricot);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}
.cover-overlay strong { display: block; margin: 8px 0; font-size: 22px; line-height: 1.25; }
.mini-chips { flex-wrap: wrap; }
.mini-chips span, .cover-overlay .badge { background: rgba(247, 242, 236, .14); color: var(--paper); border-color: rgba(247, 242, 236, .24); }
.chip-row { overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
.chip { scroll-snap-align: start; flex: 0 0 auto; background: var(--panel); }
.chip-row::-webkit-scrollbar { height: 6px; }
.chip-row::-webkit-scrollbar-thumb { background: var(--apricot); border-radius: 99px; }
.bento { display: grid; grid-template-columns: 1.45fr .8fr; grid-template-rows: auto auto; gap: 16px; }
.bento-wide { grid-row: 1 / span 2; }
.card, .quote, .voice, .price-card, .compare-col, .scene-row, .step, .news-list article, .entry-card {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card, .quote, .voice, .price-card, .compare-col, .step { padding: 22px; }
.card { transition: transform .2s ease, box-shadow .2s ease; }
.card:hover, .entry-card:hover, .quote:hover, .voice:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(36, 28, 34, .12); }
.bento-wide { border-left: 4px solid var(--apricot); }
.stat-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.stat-row b {
  min-width: 92px;
  background: var(--paper);
  border-radius: 14px;
  padding: 10px 12px;
  display: block;
  line-height: 1.3;
}
.stat-row span { display: block; color: var(--muted); font-size: 12px; font-weight: 500; }
.compare { grid-template-columns: 1fr 1fr; align-items: stretch; }
.compare-col ul { list-style: disc; padding-left: 1.15em; }
.compare-col li { margin: .55em 0; }
.compare-col:first-child h3 { color: var(--plum); }
.scene-list { display: grid; gap: 12px; }
.scene-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) 92px;
  gap: 16px;
  align-items: center;
  padding: 14px;
  background: #241C22;
  color: var(--paper);
  border-color: rgba(231, 217, 210, .16);
  box-shadow: none;
}
.scene-row b { color: var(--apricot); font-family: "Songti SC", serif; font-size: 20px; }
.scene-row p { margin: 0; color: var(--soft); }
.thumb { width: 72px; height: 96px; border-radius: 14px; object-fit: cover; }
.switch-box { grid-template-columns: minmax(0, .9fr) minmax(240px, .7fr); align-items: center; }
.switch-tabs { flex-wrap: wrap; margin: 8px 0 14px; }
.switch-btn.is-on { background: var(--plum); color: var(--panel); border-color: var(--plum); }
.switch-cover { max-width: 360px; margin-left: auto; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.demo-wall { grid-template-columns: .78fr 1.22fr; align-items: stretch; }
.demo-side { display: grid; gap: 16px; }
.banner { aspect-ratio: 16 / 8; width: 100%; object-fit: cover; }
.caption { margin-top: 8px; color: var(--soft); }
.band-paper .caption { color: var(--muted); }
.step-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.num { display: block; color: var(--plum); font-family: "Songti SC", serif; font-size: 30px; line-height: 1; margin-bottom: 8px; }
.step p { margin: 0; }
.case-layout { grid-template-columns: minmax(0, 1fr) 190px; }
.case-stack { display: grid; gap: 16px; }
.metric-rail {
  background: #241C22;
  border-radius: var(--radius);
  border: 1px solid rgba(231, 217, 210, .16);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}
.metric span { display: block; color: var(--apricot); font-size: 13px; }
.metric strong { font-family: "Songti SC", serif; font-size: 32px; line-height: 1.1; }
.price-grid { grid-template-columns: 1.15fr .85fr; align-items: stretch; }
.price-card.is-feature { background: var(--plum); color: var(--paper); border-color: transparent; }
.price-card .badge { margin-bottom: 10px; }
.price-num { font-family: "Songti SC", serif; font-size: clamp(36px, 4vw, 52px); line-height: 1; margin: 8px 0; }
.price-num small { font-size: 16px; margin-left: 4px; }
.price-card ul { list-style: disc; padding-left: 1.15em; margin-bottom: 16px; }
.quote-wall { columns: 3; column-gap: 16px; }
.quote { break-inside: avoid; margin: 0 0 16px; display: block; }
.quote:nth-child(2n) { min-height: 210px; }
.quote p { font-size: 18px; line-height: 1.7; margin: 0; }
.voice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.voice { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 12px; align-items: start; }
.avatar {
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--plum); color: var(--paper);
  font-family: "Songti SC", serif; font-size: 22px;
}
.voice p { margin: 0 0 8px; }
.news-layout { grid-template-columns: .78fr 1.22fr; gap: 32px; align-items: start; }
.news-list { display: grid; gap: 12px; }
.news-list article { padding: 16px 18px; transition: transform .2s ease, border-color .2s ease; }
.news-list article:hover { transform: translateY(-2px); border-color: var(--apricot); }
.news-list h3 { font-size: 20px; }
.news-list p { margin: 6px 0; }
.news-list time { color: var(--apricot); font-size: 13px; }
.entry-grid { grid-template-columns: .72fr 1.28fr; }
.entry-card { display: block; overflow: hidden; color: var(--ink); transition: transform .2s ease, box-shadow .2s ease; }
.entry-card .pad { padding: 16px 18px 18px; }
.entry-card p { margin: 8px 0 0; color: var(--muted); }
.entry-wide { display: grid; grid-template-columns: 1.15fr .85fr; }
.entry-wide img { aspect-ratio: 16 / 11; height: 100%; object-fit: cover; }
.cta-inner { grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
.site-footer { background: #120e11; color: var(--paper); padding: 48px 0 22px; border-top: 1px solid rgba(230, 169, 138, .35); }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr .9fr; gap: 28px; }
.site-footer h2 { font-size: 18px; margin-bottom: 10px; }
.site-footer a { display: block; padding: 4px 0; color: var(--soft); }
.site-footer a:hover { color: var(--apricot); }
.site-footer p { color: var(--soft); }
.copy-row { margin-top: 26px; padding-top: 16px; border-top: 1px solid rgba(231, 217, 210, .16); color: #cbb8b0; font-size: 13px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
@media (max-width: 1023px) {
  .quote-wall { columns: 2; }
  .voice-grid, .step-list { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .search-box input { width: 140px; }
  .bento { grid-template-columns: 1fr 1fr; }
  .bento-wide { grid-column: 1 / -1; grid-row: auto; }
}
@media (max-width: 767px) {
  .band { padding: 40px 0; }
  .hero { padding-top: calc(40px + 76px); padding-bottom: 40px; }
  .menu-btn { display: inline-flex; }
  .search-box { display: none; }
  .channels {
    display: none;
    position: fixed;
    top: var(--header);
    left: 0; right: 0;
    background: var(--panel);
    color: var(--ink);
    flex-direction: column;
    align-items: stretch;
    padding: 10px 14px 16px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    z-index: 49;
  }
  .channels.is-open { display: flex; }
  .channels .channel-link { color: var(--ink); padding: 12px 8px; }
  .channels .channel-link.is-active { background: rgba(230, 169, 138, .38); box-shadow: none; }
  .hero-grid, .switch-box, .demo-wall, .case-layout, .news-layout, .entry-grid, .cta-inner, .price-grid, .compare, .bento, .entry-wide, .voice-grid, .step-list, .foot-grid {
    grid-template-columns: 1fr;
  }
  .scene-row { grid-template-columns: 1fr; }
  .hero-cover, .switch-cover { margin-inline: auto; }
  .hero-actions .btn, .cta-inner .btn { width: 100%; }
  .quote-wall { columns: 1; }
  .metric-rail { flex-direction: row; }
  .nav-left { width: auto; }
}
@media (max-width: 520px) {
  .container { width: min(1180px, calc(100% - 28px)); }
  h1 { font-size: 30px; }
  .price-num { font-size: 36px; }
  .metric { min-width: 0; }
  .logo { max-width: 56vw; overflow: hidden; text-overflow: ellipsis; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category2 */
:root {
 --ink: #241C22;
 --plum: #6A3148;
 --apricot: #E6A98A;
 --paper: #F7F2EC;
 --panel: #FFFCF8;
 --night: #1A1418;
 --line: #E7D9D2;
 --muted: #6E5A62;
 --soft: #F3E7E0;
 --radius: 18px;
 --shadow: 0 10px 28px rgba(36, 28, 34, .08);
 --header: 64px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--paper);
 color: var(--ink);
 font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.8;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 .75em; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .45em; font-weight: 700; }
ul { margin: 0; padding: 0; }
.sr-only {
 position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
 overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
 position: fixed;
 inset: 0 0 auto 0;
 height: var(--header);
 z-index: 50;
 background: rgba(26, 20, 24, .94);
 border-bottom: 1px solid rgba(231, 217, 210, .16);
 box-shadow: 0 8px 24px rgba(26, 20, 24, .18);
}
.nav-bar { height: var(--header); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav-left { display: flex; align-items: center; gap: 18px; min-width: 0; }
.logo {
 color: var(--paper);
 font-family: "Songti SC", "Noto Serif SC", serif;
 font-weight: 700;
 font-size: clamp(11px, 1.35vw, 15px);
 line-height: 1.25;
 white-space: nowrap;
 transition: color .2s ease;
}
.logo:hover { color: var(--apricot); }
.channels { display: flex; align-items: center; gap: 4px; min-width: 0; }
.channel-link {
 color: var(--paper);
 min-height: 36px;
 display: inline-flex;
 align-items: center;
 padding: 0 10px;
 font-size: 14px;
 border-bottom: 2px solid transparent;
 transition: color .2s ease, border-color .2s ease;
}
.channel-link:hover { color: var(--apricot); }
.channel-link.is-active { color: var(--apricot); border-bottom-color: var(--apricot); }
.nav-tools { display: flex; align-items: center; gap: 10px; }
.search-box { position: relative; }
.search-box input {
 width: 196px;
 height: 38px;
 border-radius: 999px;
 border: 1px solid rgba(231, 217, 210, .35);
 background: #241C22;
 color: var(--paper);
 padding: 0 14px;
 outline: none;
 transition: border-color .2s ease, background .2s ease;
}
.search-box input::placeholder { color: #cbb8b0; }
.search-box input:hover, .search-box input:focus { border-color: var(--apricot); }
.menu-btn { display: none; min-height: 38px; padding: 0 12px; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: var(--radius);
 border: 1px solid transparent;
 font-weight: 700;
 line-height: 1.2;
 cursor: pointer;
 transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-solid { background: var(--plum); color: var(--panel); border-color: var(--plum); }
.btn-solid:hover { background: #55263a; border-color: #55263a; }
.btn-line { background: transparent; color: var(--plum); border-color: var(--plum); }
.btn-line:hover { background: rgba(106, 49, 72, .08); }
.btn-line.on-dark { color: var(--paper); border-color: rgba(247, 242, 236, .72); }
.btn-line.on-dark:hover { background: rgba(247, 242, 236, .08); }
.btn-night { background: var(--paper); color: var(--night); border-color: var(--paper); }
.btn-night:hover { background: #fff; }
.btn:focus-visible, .channel-link:focus-visible, .logo:focus-visible, .tag-btn:focus-visible, .search-box input:focus-visible, .site-footer a:focus-visible {
 outline: 2px solid var(--apricot);
 outline-offset: 2px;
}
.section { padding: 72px 0; }
.section-night { background: var(--night); color: var(--paper); }
.section-paper { background: var(--paper); color: var(--ink); }
.section-soft { background: var(--soft); color: var(--ink); }
.section-panel { background: #fffdfb; color: var(--ink); }
.kicker {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 12px;
 border-radius: 999px;
 background: rgba(230, 169, 138, .18);
 color: var(--apricot);
 font-size: 13px;
 font-weight: 700;
 letter-spacing: .04em;
}
.section-paper .kicker, .section-soft .kicker, .section-panel .kicker {
 background: rgba(106, 49, 72, .08);
 color: var(--plum);
}
.scene-banner { padding-top: calc(72px + var(--header)); padding-bottom: 72px; }
.banner-inner { max-width: 820px; }
.banner-inner h1 { font-family: "Songti SC", "Noto Serif SC", serif; font-size: clamp(30px, 4vw, 46px); color: var(--paper); }
.banner-lead { color: #f0e4dc; font-size: 18px; max-width: 680px; }
.banner-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.banner-meta span, .badge, .chip, .tag, .tag-btn {
 display: inline-flex;
 align-items: center;
 min-height: 30px;
 padding: 0 12px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: var(--apricot);
 color: var(--ink);
 font-size: 13px;
 font-weight: 700;
}
.banner-meta span { background: rgba(247, 242, 236, .12); color: var(--paper); border-color: rgba(247, 242, 236, .24); }
.scene-stack { display: grid; gap: 18px; }
.scene-long {
 display: grid;
 grid-template-columns: 250px minmax(0, 1fr);
 gap: 0;
 background: var(--panel);
 color: var(--ink);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 overflow: hidden;
 transition: transform .2s ease, box-shadow .2s ease;
}
.scene-long:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(36, 28, 34, .12); }
.scene-long.flip { grid-template-columns: minmax(0, 1fr) 250px; }
.scene-long.flip .scene-visual { order: 2; }
.scene-visual { background: #311f29; min-height: 100%; }
.scene-visual img { width: 100%; height: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.scene-copy { padding: 22px 24px 20px; display: flex; flex-direction: column; justify-content: center; }
.scene-copy h2, .scene-copy h3 { font-size: 24px; }
.scene-top { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.heat { background: var(--plum); color: var(--panel); border-color: transparent; }
.muted { color: var(--muted); }
.stat-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.stat-row b {
 min-width: 92px;
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: 14px;
 padding: 10px 12px;
 display: block;
 line-height: 1.3;
 font-size: 18px;
}
.stat-row span { display: block; color: var(--muted); font-size: 12px; font-weight: 500; }
.section-head { display: flex; justify-content: space-between; gap: 18px; align-items: end; margin-bottom: 22px; }
.section-head h2 { font-size: clamp(26px, 3vw, 34px); font-family: "Songti SC", "Noto Serif SC", serif; }
.section-head p { margin: 0; max-width: 460px; }
.section-night .section-head p { color: #eadfd8; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.tag-btn {
 cursor: pointer;
 background: var(--panel);
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.tag-btn:hover { transform: translateY(-2px); border-color: var(--apricot); }
.tag-btn:active { transform: translateY(0); }
.tag-btn.is-on { background: var(--plum); color: var(--panel); border-color: var(--plum); }
.tag-btn.lg { min-height: 42px; padding: 0 18px; font-size: 16px; }
.tag-btn.sm { min-height: 28px; font-size: 12px; }
.compare {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 18px;
}
.compare-col {
 background: rgba(247, 242, 236, .06);
 border: 1px solid rgba(231, 217, 210, .18);
 border-radius: var(--radius);
 padding: 22px;
}
.compare-col h3 { color: var(--apricot); font-size: 22px; }
.compare-col ul { list-style: disc; padding-left: 1.15em; }
.compare-col li { margin: .55em 0; color: #f3e8e2; }
.note-grid { display: grid; grid-template-columns: 1.15fr .9fr .95fr; gap: 16px; align-items: stretch; }
.quote {
 background: var(--panel);
 color: var(--ink);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.quote:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(36, 28, 34, .12); }
.quote:nth-child(2) { margin-top: 28px; }
.quote:nth-child(3) { margin-top: 10px; }
.quote q { font-family: "Songti SC", "Noto Serif SC", serif; font-size: 22px; line-height: 1.45; display: block; }
.quote span { display: block; margin-top: 12px; color: var(--muted); font-size: 13px; }
.article-list { display: grid; gap: 12px; }
.article-row {
 display: grid;
 grid-template-columns: 92px minmax(0, 1fr) auto;
 gap: 16px;
 align-items: center;
 background: var(--panel);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px 18px;
 transition: transform .2s ease, border-color .2s ease;
}
.article-row:hover { transform: translateY(-2px); border-color: var(--apricot); }
.article-row b { color: var(--plum); font-family: "Songti SC", serif; font-size: 20px; }
.article-row p { margin: 0; color: var(--muted); }
.article-row em { font-style: normal; color: var(--plum); font-weight: 700; }
.more-layout {
 display: grid;
 grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
 gap: 28px;
 align-items: start;
}
.more-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.rest-list { display: grid; gap: 12px; }
.rest-item {
 display: grid;
 grid-template-columns: 88px minmax(0, 1fr);
 gap: 14px;
 align-items: center;
 background: rgba(247, 242, 236, .06);
 border: 1px solid rgba(231, 217, 210, .18);
 border-radius: var(--radius);
 padding: 12px;
}
.rest-item img { width: 88px; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 12px; }
.rest-item h3 { font-size: 18px; margin: 0 0 4px; }
.rest-item p { margin: 0; color: #eadfd8; }
.site-footer { background: var(--night); color: var(--paper); padding: 48px 0 20px; border-top: 1px solid rgba(231, 217, 210, .12); }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1.1fr .8fr; gap: 28px; }
.site-footer h2 { font-size: 16px; color: var(--apricot); margin: 0 0 12px; }
.site-footer p, .site-footer a { color: var(--soft); display: block; margin: 0 0 .45em; }
.site-footer a:hover { color: var(--apricot); }
.copy-row { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(231, 217, 210, .16); color: #cbb8b0; font-size: 13px; }
.is-hidden { display: none !important; }
@media (max-width: 1023px) {
 .search-box input { width: 132px; }
 .channel-link { padding: 0 6px; font-size: 13px; }
 .note-grid { grid-template-columns: 1fr 1fr; }
 .quote:nth-child(2), .quote:nth-child(3) { margin-top: 0; }
 .scene-long, .scene-long.flip { grid-template-columns: 210px minmax(0, 1fr); }
 .scene-long.flip .scene-visual { order: 0; }
 .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
 .section, .scene-banner { padding: 40px 0; }
 .scene-banner { padding-top: calc(40px + var(--header)); }
 .menu-btn { display: inline-flex; }
 .search-box { display: none; }
 .channels {
  display: none;
  position: absolute;
  top: var(--header);
  left: 0;
  right: 0;
  background: var(--night);
  flex-direction: column;
  align-items: stretch;
  padding: 8px 16px 16px;
  border-bottom: 1px solid rgba(231, 217, 210, .16);
  box-shadow: 0 16px 28px rgba(26, 20, 24, .28);
 }
 .channels.is-open { display: flex; }
 .channel-link { min-height: 44px; border-bottom: 0; border-left: 2px solid transparent; padding-left: 12px; }
 .channel-link.is-active { border-left-color: var(--apricot); border-bottom-color: transparent; }
 .scene-long, .scene-long.flip, .compare, .note-grid, .more-layout, .foot-grid, .article-row, .section-head {
  grid-template-columns: 1fr;
  display: grid;
 }
 .scene-long.flip .scene-visual { order: 0; }
 .article-row { gap: 6px; }
 .banner-inner h1 { font-size: 30px; }
 .logo { max-width: 46vw; overflow: hidden; text-overflow: ellipsis; }
}
@media (max-width: 520px) {
 .container { width: min(1180px, calc(100% - 28px)); }
 .stat-row b { min-width: calc(50% - 8px); }
 .scene-copy { padding: 16px; }
}

/* roulang page: category1 */
:root {
 --ink: #241C22;
 --plum: #6A3148;
 --apricot: #E6A98A;
 --paper: #F7F2EC;
 --panel: #FFFCF8;
 --night: #1A1418;
 --line: #E7D9D2;
 --muted: #6E5A62;
 --soft: #F3E7E0;
 --radius: 18px;
 --shadow: 0 10px 28px rgba(36, 28, 34, .08);
 --header: 64px;
}
/* roulang page: category1 */
html { scroll-behavior: smooth; box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }
body {
 margin: 0;
 background: var(--paper);
 color: var(--ink);
 font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.8;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
button, input, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 0.75em; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 0.55em; font-weight: 700; }
ul, ol { margin: 0; padding: 0; }
::selection { background: var(--apricot); color: var(--ink); }
.sr-only {
 position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
 overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
 position: fixed; inset: 0 0 auto 0; min-height: var(--header); z-index: 50;
 background: rgba(26, 20, 24, .94);
 border-bottom: 1px solid rgba(231, 217, 210, .16);
 box-shadow: 0 8px 24px rgba(26, 20, 24, .18);
}
.nav-bar { min-height: var(--header); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav-left { display: flex; align-items: center; gap: 18px; min-width: 0; }
.logo {
 color: var(--paper);
 font-family: "Songti SC", "Noto Serif SC", serif;
 font-weight: 700;
 font-size: clamp(11px, 1.35vw, 15px);
 line-height: 1.25;
 white-space: nowrap;
 transition: color .2s ease;
}
.logo:hover { color: var(--apricot); }
.channels { display: flex; align-items: center; gap: 16px; }
.channel-link {
 color: var(--paper);
 font-size: 14px;
 font-weight: 700;
 padding: 8px 2px 6px;
 border-bottom: 2px solid transparent;
 transition: color .2s ease, border-color .2s ease;
}
.channel-link:hover { color: var(--apricot); }
.channel-link.is-active { color: var(--apricot); border-bottom-color: var(--apricot); }
.nav-tools { display: flex; align-items: center; gap: 10px; }
.search-box { position: relative; }
.search-box input {
 width: 196px; height: 38px; border-radius: 999px;
 border: 1px solid rgba(231, 217, 210, .35);
 background: #241C22; color: var(--paper); padding: 0 14px;
 transition: border-color .2s ease, background .2s ease;
}
.search-box input::placeholder { color: #cbb8b0; }
.search-box input:hover { border-color: var(--apricot); }
.menu-btn { display: none; min-height: 38px; padding: 0 12px; }
.btn {
 display: inline-flex; align-items: center; justify-content: center;
 min-height: 44px; padding: 0 18px; border-radius: var(--radius);
 border: 1px solid transparent; font-weight: 700; line-height: 1.2;
 cursor: pointer; text-decoration: none;
 transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .channel-link:focus-visible, input:focus-visible, select:focus-visible, .chip-btn:focus-visible, .article-row:focus-visible {
 outline: 2px solid var(--apricot); outline-offset: 2px;
}
.btn-solid { background: var(--plum); color: var(--panel); border-color: var(--plum); }
.btn-solid:hover { background: #55263a; border-color: #55263a; }
.btn-line { background: transparent; color: var(--plum); border-color: var(--plum); }
.btn-line:hover { background: rgba(106, 49, 72, .08); }
.btn-line.on-dark { color: var(--paper); border-color: rgba(247, 242, 236, .72); }
.btn-line.on-dark:hover { background: rgba(247, 242, 236, .08); }
.btn-night { background: var(--paper); color: var(--night); border-color: var(--paper); }
.btn-night:hover { background: #fff; }
.btn-text {
 background: transparent; color: var(--apricot); border-color: transparent;
 min-height: auto; padding: 0 0 2px; border-radius: 0;
 text-decoration: underline; text-underline-offset: 5px;
}
.btn-text:hover { color: #fff; background: transparent; }
main { padding-top: var(--header); }
.section { padding: 72px 0; }
.section.alt { background: var(--soft); }
.section.night { background: var(--night); color: var(--paper); }
.section.night p, .section.night .muted { color: var(--soft); }
.section.night h2, .section.night h3 { color: var(--paper); }
.eyebrow, .kicker {
 display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px;
 border-radius: 999px; background: var(--apricot); color: var(--ink);
 font-size: 12px; font-weight: 700; letter-spacing: .02em;
}
.catalog-top-grid, .feature-grid { display: grid; gap: 22px; align-items: center; }
.catalog-top-grid { grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr); }
.feature-grid { grid-template-columns: minmax(0, 1.35fr) minmax(260px, .75fr); }
.catalog-top h1 { font-family: "Songti SC", "Noto Serif SC", serif; font-size: clamp(28px, 4vw, 46px); max-width: 16em; }
.lead { color: var(--muted); font-size: 16px; max-width: 38em; }
.filter-panel, .feed-card, .rhythm-list li, .article-rows, .extend-list {
 background: var(--panel); color: var(--ink); border: 1px solid var(--line);
 border-radius: var(--radius); box-shadow: var(--shadow);
}
.filter-panel { padding: 18px; display: grid; gap: 12px; }
.filter-panel label { display: grid; gap: 6px; font-size: 13px; font-weight: 700; color: var(--plum); }
.filter-panel select {
 height: 42px; border-radius: 12px; border: 1px solid var(--line);
 background: var(--paper); padding: 0 12px;
}
.filter-panel select:hover { border-color: var(--plum); }
.sort-bar, .meta-line, .feature-metrics, .hero-actions, .switch-tabs, .mini-chips, .chip-row {
 display: flex; gap: 10px; flex-wrap: wrap;
}
.sort-bar { margin-top: 14px; }
.chip, .chip-btn, .badge, .tag {
 display: inline-flex; align-items: center; min-height: 34px; padding: 0 14px;
 border-radius: 999px; border: 1px solid var(--line); background: var(--panel);
 color: var(--ink); font-size: 13px; font-weight: 700;
}
.chip-btn {
 appearance: none; cursor: pointer;
 transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.chip-btn:hover { transform: translateY(-2px); border-color: var(--plum); }
.chip-btn:active { transform: translateY(0); }
.chip-btn.is-on { background: var(--plum); color: var(--panel); border-color: var(--plum); }
.badge { min-height: 30px; background: var(--apricot); }
.feed-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.feed-card { overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.feed-card:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(36, 28, 34, .12); }
.feed-card[hidden] { display: none; }
.cover-wrap { position: relative; background: #311f29; }
.cover-wrap img, .portrait { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.update-badge { position: absolute; left: 12px; top: 12px; }
.feed-body { padding: 16px 18px 18px; }
.feed-body h3 { font-size: 20px; }
.feed-body p { color: var(--muted); margin-bottom: 10px; }
.meta-line span {
 background: var(--paper); border-radius: 999px; padding: 2px 10px;
 font-size: 12px; color: var(--plum); font-weight: 700;
}
.empty-note {
 margin-top: 14px; padding: 14px 16px; border-radius: 14px;
 border: 1px dashed var(--line); background: var(--panel); color: var(--muted);
}
.wide-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(231, 217, 210, .28); background: #311f29; }
.wide-frame img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.feature-copy h2 { font-size: clamp(26px, 3vw, 36px); }
.feature-metrics { list-style: none; margin-top: 8px; }
.feature-metrics li {
 min-width: 104px; background: rgba(247, 242, 236, .08);
 border: 1px solid rgba(231, 217, 210, .22); border-radius: 14px; padding: 10px 12px;
}
.feature-metrics b { display: block; color: var(--apricot); font-size: 22px; line-height: 1.25; }
.feature-metrics span { color: var(--soft); font-size: 12px; }
.section-head { max-width: 760px; margin-bottom: 8px; }
.rhythm-list { list-style: none; display: grid; gap: 12px; margin-top: 16px; }
.rhythm-list li {
 display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 16px; align-items: center;
 padding: 16px 18px;
}
.rhythm-list b { color: var(--plum); font-family: "Songti SC", "Noto Serif SC", serif; font-size: 20px; }
.rhythm-list span { color: var(--muted); }
.article-rows { padding: 6px 18px; }
.article-row {
 display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 6px 16px;
 padding: 16px 0; border-bottom: 1px solid var(--line); align-items: baseline;
}
.article-row:last-child { border-bottom: 0; }
.article-row .kicker { background: var(--soft); }
.article-row strong { font-size: 18px; grid-column: 2; grid-row: 1; }
.article-row em { grid-column: 2; font-style: normal; color: var(--muted); }
.article-row:hover strong { color: var(--plum); }
.more-head, .back-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.extend-list { margin-top: 16px; padding: 6px 16px 8px; }
.extend-item {
 display: grid; grid-template-columns: 84px minmax(0, 1fr) auto; gap: 14px;
 align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line);
}
.extend-item:last-child { border-bottom: 0; }
.extend-item img { width: 84px; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 12px; background: #311f29; }
.extend-item h3 { margin: 0 0 4px; font-size: 18px; }
.extend-item p { margin: 0; color: var(--muted); }
.back-row h2 { margin: 0; }
.site-footer { background: var(--night); color: var(--soft); }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1.2fr .8fr; gap: 28px; padding: 48px 0 12px; }
.site-footer h2 { font-size: 18px; color: var(--apricot); margin: 0 0 12px; }
.site-footer p, .site-footer a { color: var(--soft); display: block; margin: 0 0 .75em; }
.site-footer a:hover { color: var(--apricot); }
.copy-row { border-top: 1px solid rgba(231, 217, 210, .16); padding: 16px 0 28px; color: #cbb8b0; font-size: 14px; }
.hero { padding-top: calc(72px + var(--header)); background: radial-gradient(820px 380px at 88% 12%, rgba(230, 169, 138, .18), transparent 62%), var(--night); }
.hero-grid, .switch-box, .demo-wall, .case-layout, .news-layout, .entry-grid, .cta-inner, .price-grid, .compare { display: grid; gap: 22px; }
.hero-grid { grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr); align-items: center; }
.card, .quote, .voice, .price-card, .compare-col, .step, .news-list article, .entry-card {
 background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.card, .quote, .voice, .price-card, .compare-col, .step { padding: 22px; }
.card, .entry-card, .quote, .voice { transition: transform .2s ease, box-shadow .2s ease; }
.card:hover, .entry-card:hover, .quote:hover, .voice:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(36, 28, 34, .12); }
.news-list { display: grid; gap: 12px; }
.news-list article { padding: 16px 18px; transition: transform .2s ease, border-color .2s ease; }
.news-list article:hover { transform: translateY(-2px); border-color: var(--apricot); }
@media (max-width: 1023px) {
 .catalog-top-grid, .feature-grid, .foot-grid { grid-template-columns: 1fr 1fr; }
 .feature-grid { grid-template-columns: 1fr; }
 .search-box input { width: 140px; }
}
@media (max-width: 767px) {
 .section { padding: 40px 0; }
 .menu-btn { display: inline-flex; }
 .channels {
  display: none; position: fixed; top: var(--header); left: 0; right: 0; z-index: 49;
  flex-direction: column; align-items: flex-start; gap: 4px;
  padding: 10px 20px 16px; background: var(--night);
  border-bottom: 1px solid rgba(231, 217, 210, .16);
 }
 .channels.is-open { display: flex; }
 .channel-link { width: 100%; padding: 10px 0; }
 .search-box { display: none; }
 .catalog-top-grid, .feed-grid, .foot-grid, .rhythm-list li, .extend-item, .article-row { grid-template-columns: 1fr; }
 .more-head, .back-row { align-items: flex-start; flex-direction: column; }
 .extend-item img { width: 120px; }
 .article-row strong, .article-row em { grid-column: 1; }
}
@media (max-width: 520px) {
 .container { width: min(1180px, calc(100% - 28px)); }
 .logo { white-space: normal; font-size: 12px; line-height: 1.25; max-width: 48vw; }
 .nav-bar { padding: 8px 0; }
 main { padding-top: 86px; }
 .feature-metrics li { min-width: calc(50% - 10px); }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition: none !important; }
}