/* roulang page: index */
:root {
  --bg: #161217;
  --panel: #221C24;
  --paper: #F3EBE3;
  --ink: #1A1416;
  --on-dark: #F6F1EA;
  --muted: #B7A9A4;
  --muted-paper: #6A534C;
  --wine: #8E3D4F;
  --copper: #C46B5A;
  --line: #3A3036;
  --line-paper: #E4D8CF;
  --olive: #7D8F6A;
  --radius-card: 10px;
  --radius-btn: 8px;
  --shadow: 0 10px 28px rgba(0, 0, 0, .16);
  --shadow-paper: 0 8px 20px rgba(26, 20, 22, .05);
  --header-h: 72px;
  --ease: 160ms ease;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--on-dark);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
}
img { max-width: 100%; display: block; border: 0; }
button, input, textarea { font-family: inherit; font-size: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 .9em; }
h1, h2, h3 { font-family: var(--font); letter-spacing: 0; line-height: 1.35; margin: 0 0 .45em; font-weight: 650; }
h1 { font-size: 40px; }
h2 { font-size: 28px; }
h3 { font-size: 18px; }
::selection { background: var(--wine); color: var(--on-dark); }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: 12px; top: -40px; background: var(--wine); color: var(--on-dark);
  padding: 8px 12px; border-radius: var(--radius-btn); z-index: 80;
}
.skip:focus { top: 8px; }

.site-header {
  position: sticky; top: 0; z-index: 40;
  min-height: var(--header-h);
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.cmd-bar {
  min-height: var(--header-h);
  display: flex; align-items: center; gap: 16px;
  max-width: 1180px; margin: 0 auto; padding: 0 18px;
}
.logo { display: flex; flex-direction: column; justify-content: center; min-height: 44px; max-width: 240px; flex: 0 0 auto; }
.logo-main { color: var(--on-dark); font-size: 15px; line-height: 1.3; font-weight: 650; }
.logo-sub { color: var(--muted); font-size: 12px; line-height: 1.3; }
.cmd-nav { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; }
.cmd-nav a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px;
  color: var(--muted); border-radius: var(--radius-btn); transition: color var(--ease), background var(--ease);
}
.cmd-nav a:hover { color: var(--on-dark); }
.cmd-nav a.active { color: var(--on-dark); box-shadow: inset 0 -2px 0 var(--wine); border-radius: 0; }
.cmd-tools { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.search-form { margin: 0; }
.search-form input {
  width: 210px; height: 40px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel); color: var(--on-dark); padding: 0 16px; transition: border-color var(--ease), box-shadow var(--ease);
}
.search-form input::placeholder { color: var(--muted); }
.search-form input:focus { border-color: var(--copper); box-shadow: 0 0 0 1px var(--copper); outline: none; }
.quick-link {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0 12px;
  color: var(--on-dark); border-radius: 999px; border: 1px solid var(--line); transition: border-color var(--ease), color var(--ease);
}
.quick-link:hover { border-color: var(--copper); color: var(--copper); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
  padding: 0 16px; border-radius: var(--radius-btn); border: 1px solid transparent;
  cursor: pointer; transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
  line-height: 1.2; font-weight: 650;
}
.btn-primary { background: var(--wine); color: var(--on-dark); }
.btn-primary:hover { background: var(--copper); transform: translateY(-1px); color: var(--on-dark); }
.btn-primary:active { background: #7a3142; transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--on-dark); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--copper); color: var(--copper); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); }
.icon-btn {
  display: none; width: 44px; height: 44px; border-radius: var(--radius-btn);
  border: 1px solid var(--line); background: var(--panel); color: var(--on-dark);
  align-items: center; justify-content: center; cursor: pointer;
}
.icon-btn:hover { border-color: var(--copper); color: var(--copper); }
.icon-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.off-canvas { background: var(--panel); color: var(--on-dark); }
.drawer-head { padding: 22px 20px 10px; border-bottom: 1px solid var(--line); }
.drawer-link {
  display: flex; align-items: center; min-height: 48px; padding: 0 20px;
  color: var(--on-dark); border-bottom: 1px solid var(--line);
}
.drawer-link:hover, .drawer-link:focus { color: var(--copper); }
.drawer-link.active { color: var(--copper); }
.drawer-note { color: var(--muted); font-size: 13px; line-height: 1.7; padding: 16px 20px 28px; }

.section { padding: 72px 0; }
.section-loose { padding: 96px 0; }
.section-dark { background: var(--bg); color: var(--on-dark); }
.section-lift { background: #1C171C; color: var(--on-dark); }
.section-paper { background: var(--paper); color: var(--ink); }
.section-paper a { color: var(--wine); }
.section-paper a:hover { color: var(--copper); }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-head p:last-child { margin-bottom: 0; color: var(--muted); }
.section-paper .section-head p:last-child { color: var(--muted-paper); }
.kicker { color: var(--copper); font-size: 13px; margin-bottom: 8px; }

.panel {
  background: var(--panel); color: var(--on-dark); border: 1px solid var(--line);
  border-radius: var(--radius-card); box-shadow: var(--shadow); padding: 18px;
  height: 100%; transition: border-color var(--ease);
}
.panel:hover { border-color: var(--copper); }
.section-paper .panel {
  background: #FFFDF9; color: var(--ink); border-color: var(--line-paper); box-shadow: var(--shadow-paper);
}
.tag {
  display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px;
  border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: 12px;
}
.section-paper .tag { border-color: var(--line-paper); color: var(--muted-paper); }
.pill {
  display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px;
  border-radius: 999px; border: 1px solid var(--line); font-size: 12px; line-height: 1;
}
.pill-done { color: var(--olive); border-color: rgba(125, 143, 106, .7); }
.pill-wait { color: var(--copper); border-color: rgba(196, 107, 90, .7); }

.hero { padding: 42px 0 78px; }
.adult-line { color: var(--copper); font-size: 14px; margin: 0 0 14px; }
.hero-lead { font-size: 16px; color: var(--muted); max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.spec-board { padding: 8px 8px 4px; }
.spec-top {
  height: 92px; border-radius: 8px; margin-bottom: 14px;
  background:
    linear-gradient(115deg, rgba(142,61,79,.95), rgba(142,61,79,.2) 42%, transparent 43%),
    linear-gradient(245deg, rgba(196,107,90,.85), rgba(22,18,23,.1) 50%),
    #2A2228;
  border: 1px solid var(--line);
}
.spec-row {
  display: flex; justify-content: space-between; gap: 12px; align-items: baseline;
  padding: 12px 10px; border-top: 1px solid var(--line);
}
.spec-row span { color: var(--muted); }
.spec-row strong { font-weight: 650; color: var(--on-dark); text-align: right; }
.param { margin-top: 12px; }
.param-label { display: flex; justify-content: space-between; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.param-track { height: 6px; background: #120F12; border-radius: 999px; overflow: hidden; }
.param-fill { display: block; height: 100%; background: var(--wine); }
.param-fill.olive { background: var(--olive); }
.param-fill.copper { background: var(--copper); }

.mini-card h3 { margin-bottom: 8px; }
.mini-card p { color: var(--muted); margin: 0; font-size: 14px; }
.bento-main p { color: var(--muted); }
.bento-side .columns { margin-bottom: 14px; }

.compare { width: 100%; border-collapse: collapse; }
.compare th, .compare td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line-paper); vertical-align: top; }
.compare th { color: var(--muted-paper); font-weight: 650; font-size: 14px; }
.compare tr:last-child td { border-bottom: 0; }
.stat-item { padding: 16px 16px 14px; }
.stat-item b { display: block; font-size: 32px; line-height: 1.2; font-weight: 650; }
.stat-item span { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }
.stat-item em { font-style: normal; color: var(--olive); }
.stat-row .stat-item { border-radius: 0; }
.stat-row .columns:first-child .stat-item { border-radius: 10px 0 0 10px; }
.stat-row .columns:last-child .stat-item { border-radius: 0 10px 10px 0; }

.scene-track {
  display: flex; gap: 14px; overflow-x: auto; padding-bottom: 8px;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
}
.scene-card { flex: 0 0 272px; scroll-snap-align: start; display: flex; flex-direction: column; }
.cover {
  height: 96px; border-radius: 8px; margin-bottom: 12px; border: 1px solid var(--line);
}
.cover-a { background: linear-gradient(135deg, #8E3D4F, #221C24 70%); }
.cover-b { background: linear-gradient(160deg, #C46B5A, #161217 68%); }
.cover-c { background: linear-gradient(120deg, #3A3036, #8E3D4F 80%); }
.cover-d { background: linear-gradient(200deg, #7D8F6A, #221C24 72%); }
.cover-e { background: linear-gradient(145deg, #221C24, #C46B5A 78%); }
.scene-card p, .case-card p, .entry-card p { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.meta-line { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.step { position: relative; padding-top: 8px; }
.step-no { color: var(--copper); font-size: 13px; margin-bottom: 8px; }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--muted-paper); margin: 0; font-size: 14px; }

.case-card { display: flex; flex-direction: column; min-height: 100%; }
.case-card .cover { height: 120px; }
.score-list { display: flex; flex-direction: column; gap: 14px; }
.score-row { display: grid; grid-template-columns: 140px 1fr 64px; gap: 12px; align-items: center; }
.score-row span { color: var(--muted); }
.meter { height: 8px; background: #120F12; border-radius: 999px; overflow: hidden; }
.meter i { display: block; height: 100%; background: var(--olive); }
.meter i.mid { background: var(--copper); }
.score-row b { text-align: right; font-weight: 650; }

.news-list { display: flex; flex-direction: column; }
.news-item {
  display: grid; grid-template-columns: 120px 1fr auto; gap: 16px; align-items: center;
  padding: 16px 4px; border-bottom: 1px solid var(--line-paper); color: var(--ink);
}
.news-item:hover { color: var(--wine); }
.news-item time { color: var(--muted-paper); }
.news-item small { color: var(--olive); }

.update-item {
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.update-item p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.wordmarks { display: flex; flex-wrap: wrap; gap: 12px; }
.wordmark {
  min-width: 160px; min-height: 84px; padding: 16px; border-radius: var(--radius-card);
  border: 1px solid var(--line-paper); background: #FFFDF9; display: flex; flex-direction: column; justify-content: center;
}
.wordmark strong { font-size: 18px; }
.wordmark span { color: var(--muted-paper); font-size: 13px; }
.entry-card h3 { margin: 10px 0; }
.entry-card p { margin-bottom: 16px; }
.faq-item { border-bottom: 1px solid var(--line-paper); padding: 6px 0; }
.faq-item summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; font-weight: 650; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; margin-left: auto; color: var(--copper); font-weight: 400; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted-paper); margin: 0 0 12px; }
.device-row {
  display: grid; grid-template-columns: 88px 1fr; gap: 16px; align-items: start;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.device-row strong { color: var(--on-dark); }
.device-row p { margin: 0; color: var(--muted); }
.guarantee-item {
  display: flex; justify-content: space-between; gap: 18px; align-items: center;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-card); margin-bottom: 10px; background: var(--panel);
}
.guarantee-item p { margin: 0; color: var(--muted); font-size: 14px; }
.find-panel label { display: block; margin-bottom: 6px; font-weight: 650; }
.find-panel input, .find-panel textarea {
  width: 100%; border-radius: var(--radius-btn); border: 1px solid var(--line-paper);
  background: #FFFDF9; color: var(--ink); padding: 10px 12px; min-height: 44px;
}
.find-panel textarea { min-height: 96px; resize: vertical; }
.find-panel input:focus, .find-panel textarea:focus { border-color: var(--copper); box-shadow: 0 0 0 1px var(--copper); outline: none; }
.form-note { min-height: 1.75em; color: var(--olive); margin: 10px 0 0; }
.search-empty {
  margin-top: 14px; color: var(--copper); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 12px 14px;
}
.is-dim { opacity: .35; }

.site-footer { background: #120F12; border-top: 1px solid var(--line); padding: 36px 0 28px; color: var(--muted); }
.footer-brand { margin-bottom: 8px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 14px 0; }
.footer-links a { color: var(--on-dark); min-height: 44px; display: inline-flex; align-items: center; }
.footer-links a:hover { color: var(--copper); }
.copyright { font-size: 13px; margin: 0; }

@media (max-width: 1023px) {
  .cmd-nav, .quick-link, .nav-cta, .search-form { display: none; }
  .icon-btn { display: inline-flex; }
  body.search-open .search-form {
    display: block; position: absolute; left: 0; right: 0; top: 72px;
    padding: 12px 16px 16px; background: var(--bg); border-bottom: 1px solid var(--line); z-index: 30;
  }
  body.search-open .search-form input { width: 100%; height: 44px; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .logo { max-width: 52vw; }
  .logo-main { font-size: 14px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-loose, .hero { padding: 48px 0; }
  .news-item { grid-template-columns: 1fr; gap: 4px; }
  .score-row { grid-template-columns: 1fr; gap: 6px; }
  .score-row b { text-align: left; }
  .stat-row .stat-item, .stat-row .columns:first-child .stat-item, .stat-row .columns:last-child .stat-item {
    border-radius: 10px; margin-bottom: 12px;
  }
  .update-item, .guarantee-item { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 639px) {
  .bento-side .small-6 { width: 100%; max-width: 100%; flex: 0 0 100%; }
  .device-row { grid-template-columns: 1fr; gap: 4px; }
  .hero-actions .btn { width: 100%; }
}
@media (max-width: 520px) {
  .cmd-bar { padding: 0 12px; }
  h1 { font-size: 28px; }
  .scene-card { flex-basis: 84vw; }
  .spec-row { flex-direction: column; align-items: flex-start; }
  .spec-row strong { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
 --bg: #161217;
 --panel: #221C24;
 --paper: #F3EBE3;
 --ink: #1A1416;
 --on-dark: #F6F1EA;
 --muted: #B7A9A4;
 --muted-paper: #6A534C;
 --wine: #8E3D4F;
 --copper: #C46B5A;
 --line: #3A3036;
 --line-paper: #E4D8CF;
 --olive: #7D8F6A;
 --radius-card: 10px;
 --radius-btn: 8px;
 --shadow: 0 10px 28px rgba(0, 0, 0, .16);
 --shadow-paper: 0 8px 20px rgba(26, 20, 22, .05);
 --header-h: 72px;
 --ease: 160ms ease;
 --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--on-dark);
 font-family: var(--font);
 font-size: 16px;
 line-height: 1.75;
 letter-spacing: 0;
}
img { max-width: 100%; display: block; border: 0; }
button, input, textarea { font-family: inherit; font-size: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 .85em; }
h1, h2, h3 { font-family: var(--font); letter-spacing: 0; line-height: 1.35; font-weight: 650; margin: 0 0 .45em; }
h1 { font-size: 34px; }
h2 { font-size: 26px; }
h3 { font-size: 18px; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; }
.site-header {
 position: sticky; top: 0; z-index: 40;
 min-height: var(--header-h);
 background: var(--bg);
 border-bottom: 1px solid var(--line);
}
.header-inner {
 max-width: 1140px;
 margin: 0 auto;
 min-height: var(--header-h);
 padding: 0 20px;
 display: flex;
 align-items: center;
 gap: 18px;
}
.logo { display: flex; flex-direction: column; justify-content: center; min-height: 44px; max-width: 240px; flex: 0 0 auto; }
.logo-main { color: var(--on-dark); font-size: 15px; line-height: 1.3; font-weight: 650; }
.logo-sub { color: var(--muted); font-size: 12px; line-height: 1.3; }
.cmd-nav { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; }
.cmd-nav a {
 display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px;
 color: var(--muted); border-radius: var(--radius-btn); transition: color var(--ease), background var(--ease);
}
.cmd-nav a:hover { color: var(--on-dark); }
.cmd-nav a.active { color: var(--on-dark); box-shadow: inset 0 -2px 0 var(--wine); border-radius: 0; }
.header-tools { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.search-form { margin: 0; }
.search-form input {
 width: 210px; height: 40px; border-radius: 999px; border: 1px solid var(--line);
 background: var(--panel); color: var(--on-dark); padding: 0 16px; transition: border-color var(--ease), box-shadow var(--ease);
}
.search-form input::placeholder { color: var(--muted); }
.search-form input:focus { border-color: var(--copper); box-shadow: 0 0 0 1px var(--copper); outline: none; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
 padding: 0 16px; border-radius: var(--radius-btn); border: 1px solid transparent;
 cursor: pointer; transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
 line-height: 1.2; font-weight: 650; white-space: nowrap;
}
.btn-primary { background: var(--wine); color: var(--on-dark); }
.btn-primary:hover { background: var(--copper); transform: translateY(-1px); color: var(--on-dark); }
.btn-primary:active { background: #7a3142; transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--on-dark); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--copper); color: var(--copper); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); }
.icon-btn {
 display: none; width: 44px; height: 44px; border-radius: var(--radius-btn);
 border: 1px solid var(--line); background: var(--panel); color: var(--on-dark);
 align-items: center; justify-content: center; cursor: pointer; padding: 0;
}
.icon-btn:hover { border-color: var(--copper); color: var(--copper); }
.icon-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.off-canvas { background: var(--bg); color: var(--on-dark); border-right: 1px solid var(--line); }
.off-canvas .close-button { color: var(--on-dark); }
.drawer-head { padding: 22px 20px 10px; border-bottom: 1px solid var(--line); }
.drawer-link {
 display: flex; align-items: center; min-height: 48px; padding: 0 20px;
 color: var(--on-dark); border-bottom: 1px solid var(--line);
}
.drawer-link:hover, .drawer-link:focus { color: var(--copper); }
.drawer-link.active { color: var(--copper); }
.drawer-note { color: var(--muted); font-size: 13px; line-height: 1.7; padding: 16px 20px 28px; }
.section { padding: 72px 0; }
.section-loose { padding: 96px 0; }
.section-dark { background: var(--bg); color: var(--on-dark); }
.section-lift { background: #1C171C; color: var(--on-dark); }
.section-paper { background: var(--paper); color: var(--ink); }
.section-paper a { color: var(--wine); }
.section-paper a:hover { color: var(--copper); }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-head p:last-child { margin-bottom: 0; color: var(--muted); }
.section-paper .section-head p:last-child { color: var(--muted-paper); }
.panel {
 background: var(--panel);
 border: 1px solid var(--line);
 border-radius: var(--radius-card);
 box-shadow: var(--shadow);
}
.section-paper .panel {
 background: #FFFDF9; color: var(--ink); border-color: var(--line-paper); box-shadow: var(--shadow-paper);
}
.tag {
 display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px;
 border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: 12px;
}
.section-paper .tag { border-color: var(--line-paper); color: var(--muted-paper); }
.pill {
 display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px;
 border-radius: 999px; border: 1px solid var(--line); font-size: 12px; line-height: 1;
}
.pill-done { color: var(--olive); border-color: rgba(125, 143, 106, .7); }
.pill-wait { color: var(--copper); border-color: rgba(196, 107, 90, .7); }
.adult-line { margin: 14px 0 0; color: var(--muted); font-size: 13px; }
.dir-layout { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; }
.dir-copy { max-width: 640px; }
.dir-kicker { color: var(--copper); font-size: 13px; margin-bottom: 8px; }
.summary-bar { display: grid; grid-template-columns: repeat(4, minmax(88px, 1fr)); min-width: 420px; }
.summary-item { padding: 14px 14px 12px; border-left: 1px solid var(--line); }
.summary-item:first-child { border-left: 0; }
.summary-item b { display: block; font-size: 26px; line-height: 1.2; font-weight: 650; color: var(--on-dark); }
.summary-item span { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.entry-card { height: 100%; border: 1px solid var(--line-paper); border-radius: var(--radius-card); background: #FFFDF9; overflow: hidden; box-shadow: var(--shadow-paper); transition: border-color var(--ease); margin-bottom: 18px; }
.entry-card:hover { border-color: var(--copper); }
.entry-card a { color: inherit; display: flex; flex-direction: column; height: 100%; }
.entry-card a:hover { color: inherit; }
.cover { width: 100%; height: 168px; object-fit: cover; background: var(--panel); }
.entry-wide .cover { height: 280px; }
.entry-body { padding: 16px 16px 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.entry-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.entry-body h3 { margin: 0; }
.entry-body p { margin: 0; color: var(--muted-paper); font-size: 14px; }
.spec-mini { list-style: none; margin: 8px 0 0; padding: 0; }
.spec-mini li { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-top: 1px solid var(--line-paper); font-size: 13px; }
.spec-mini span { color: var(--muted-paper); }
.spec-mini strong { font-weight: 650; color: var(--ink); }
.stack-gap { display: flex; flex-direction: column; }
.list-more { display: flex; justify-content: flex-end; margin-top: 6px; }
.sort-board { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 18px; }
.sort-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.sort-btn { min-height: 44px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; transition: border-color var(--ease), color var(--ease); }
.sort-btn[aria-pressed="true"] { color: var(--on-dark); border-color: var(--wine); background: rgba(142, 61, 79, .35); }
.sort-btn:hover { border-color: var(--copper); color: var(--on-dark); }
.sort-note { margin: 0; color: var(--muted); max-width: 520px; }
.version-board { border: 1px solid var(--line-paper); border-radius: var(--radius-card); overflow: hidden; background: #FFFDF9; box-shadow: var(--shadow-paper); }
.version-row { display: grid; grid-template-columns: 1.1fr 1fr .9fr 1fr .8fr; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--line-paper); align-items: center; }
.version-row:first-child { border-top: 0; }
.version-head { background: #EADF D6; background: #E9DDD4; color: var(--muted-paper); font-size: 13px; }
.version-row strong { font-weight: 650; }
.article-list, .update-list, .faq-list { display: flex; flex-direction: column; gap: 10px; }
.article-item, .update-item, .faq-item { border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--panel); padding: 16px 18px; transition: border-color var(--ease); }
.section-paper .article-item, .section-paper .update-item, .section-paper .faq-item { border-color: var(--line-paper); background: #FFFDF9; box-shadow: var(--shadow-paper); }
.article-item:hover, .update-item:hover { border-color: var(--copper); }
.article-item a { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; color: inherit; min-height: 44px; }
.section-paper .article-item a { color: var(--ink); }
.article-item small, .update-meta { color: var(--muted); font-size: 13px; }
.section-paper .article-item small, .section-paper .update-meta { color: var(--muted-paper); }
.update-item { display: grid; grid-template-columns: 120px 1fr auto; gap: 12px; align-items: center; }
.update-item h3 { margin: 0; font-size: 17px; }
.update-item p { margin: 0; color: var(--muted-paper); font-size: 14px; }
.faq-item h3 { margin-bottom: 6px; font-size: 17px; }
.faq-item p { margin: 0; color: var(--muted); }
.section-paper .faq-item p { color: var(--muted-paper); }
.back-panel { display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 28px; }
.back-panel p { margin: 0; color: var(--muted); max-width: 640px; }
.site-footer { background: #120e12; border-top: 1px solid var(--line); padding: 42px 0 32px; color: var(--muted); }
.site-footer .row { max-width: 1140px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 14px 0; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--on-dark); }
.footer-links a:hover { color: var(--copper); }
.copyright { color: var(--muted); font-size: 13px; margin: 0; }
@media (max-width: 1023px) {
 .cmd-nav, .tool-desktop, .header-tools .search-form { display: none; }
 .icon-btn { display: inline-flex; }
 .header-inner { gap: 10px; }
 .site-header.search-open .header-tools .search-form {
  display: block; position: absolute; left: 0; right: 0; top: 100%;
  padding: 10px 16px 12px; background: var(--bg); border-bottom: 1px solid var(--line);
 }
 .site-header.search-open .search-form input { width: 100%; }
 .dir-layout { flex-direction: column; align-items: stretch; }
 .summary-bar { min-width: 0; width: 100%; }
 h1 { font-size: 30px; }
 .update-item { grid-template-columns: 1fr; }
 .back-panel { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 767px) {
 .section { padding: 52px 0; }
 .summary-bar { grid-template-columns: repeat(2, 1fr); }
 .summary-item { border-left: 0; border-top: 1px solid var(--line); }
 .summary-item:nth-child(-n+2) { border-top: 0; }
 .version-row { grid-template-columns: 1fr 1fr; }
 .version-head { display: none; }
 .entry-wide .cover, .cover { height: 180px; }
 .article-item a { flex-direction: column; gap: 4px; }
 h1 { font-size: 26px; }
 h2 { font-size: 22px; }
}
@media (max-width: 519px) {
 .header-inner { padding: 0 12px; }
 .logo-main { font-size: 13px; }
 .summary-item b { font-size: 22px; }
}

/* roulang page: category2 */
:root {
 --bg: #161217;
 --panel: #221C24;
 --paper: #F3EBE3;
 --ink: #1A1416;
 --on-dark: #F6F1EA;
 --muted: #B7A9A4;
 --muted-paper: #6A534C;
 --wine: #8E3D4F;
 --copper: #C46B5A;
 --line: #3A3036;
 --line-paper: #E4D8CF;
 --olive: #7D8F6A;
 --radius-card: 10px;
 --radius-btn: 8px;
 --shadow: 0 10px 28px rgba(0, 0, 0, .16);
 --shadow-paper: 0 8px 20px rgba(26, 20, 22, .05);
 --header-h: 72px;
 --ease: 160ms ease;
 --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--on-dark);
 font-family: var(--font);
 font-size: 16px;
 line-height: 1.75;
 letter-spacing: 0;
}
img { max-width: 100%; display: block; border: 0; }
button, input, textarea { font-family: inherit; font-size: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 .85em; }
h1, h2, h3 { font-family: inherit; font-weight: 650; letter-spacing: 0; line-height: 1.35; margin: 0 0 .45em; }
h1 { font-size: 36px; }
h2 { font-size: 26px; }
h3 { font-size: 18px; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; }
.site-header {
 position: sticky; top: 0; z-index: 40;
 min-height: var(--header-h);
 background: var(--bg);
 border-bottom: 1px solid var(--line);
}
.header-row {
 min-height: var(--header-h);
 display: flex;
 align-items: center;
 gap: 12px;
 width: 100%;
 max-width: 75rem;
 margin: 0 auto;
 padding: 0 16px;
}
.nav-slot { flex: 1; min-width: 0; }
.logo { display: flex; flex-direction: column; justify-content: center; min-height: 44px; max-width: 240px; flex: 0 0 auto; }
.logo-main { color: var(--on-dark); font-size: 15px; line-height: 1.3; font-weight: 650; }
.logo-sub { color: var(--muted); font-size: 12px; line-height: 1.3; }
.cmd-nav { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; }
.cmd-nav a {
 display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px;
 color: var(--muted); border-radius: var(--radius-btn); transition: color var(--ease), background var(--ease);
}
.cmd-nav a:hover { color: var(--on-dark); }
.cmd-nav a.active { color: var(--on-dark); box-shadow: inset 0 -2px 0 var(--wine); border-radius: 0; }
.header-tools { display: flex; align-items: center; gap: 8px; margin-left: auto; flex: 0 0 auto; }
.search-form { margin: 0; }
.search-form input {
 width: 210px; height: 40px; border-radius: 999px; border: 1px solid var(--line);
 background: var(--panel); color: var(--on-dark); padding: 0 16px; transition: border-color var(--ease), box-shadow var(--ease);
}
.search-form input::placeholder { color: var(--muted); }
.search-form input:focus { border-color: var(--copper); box-shadow: 0 0 0 1px var(--copper); outline: none; }
.mobile-search { display: none; max-width: 75rem; margin: 0 auto; padding: 0 16px 12px; }
.mobile-search.is-open { display: block; }
.mobile-search input { width: 100%; height: 44px; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
 padding: 0 16px; border-radius: var(--radius-btn); border: 1px solid transparent;
 cursor: pointer; transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
 line-height: 1.2; font-weight: 650;
}
.btn-primary { background: var(--wine); color: var(--on-dark); }
.btn-primary:hover { background: var(--copper); transform: translateY(-1px); color: var(--on-dark); }
.btn-primary:active { background: #7a3142; transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--on-dark); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--copper); color: var(--copper); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); }
.icon-btn {
 display: none; width: 44px; height: 44px; border-radius: var(--radius-btn);
 border: 1px solid var(--line); background: var(--panel); color: var(--on-dark);
 align-items: center; justify-content: center; cursor: pointer;
}
.icon-btn:hover { border-color: var(--copper); color: var(--copper); }
.icon-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.off-canvas { background: var(--bg); color: var(--on-dark); }
.off-canvas .close-button, .drawer-close { color: var(--on-dark); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 22px 20px 10px; border-bottom: 1px solid var(--line); }
.drawer-link {
 display: flex; align-items: center; min-height: 48px; padding: 0 20px;
 color: var(--on-dark); border-bottom: 1px solid var(--line);
}
.drawer-link:hover, .drawer-link:focus { color: var(--copper); }
.drawer-link.active { color: var(--copper); }
.drawer-note { color: var(--muted); font-size: 13px; line-height: 1.7; padding: 16px 20px 28px; }
.section { padding: 72px 0; }
.section-dark { background: var(--bg); color: var(--on-dark); }
.section-lift { background: #1C171C; color: var(--on-dark); }
.section-paper { background: var(--paper); color: var(--ink); }
.section-paper a { color: var(--wine); }
.section-paper a:hover { color: var(--copper); }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-head p:last-child { margin-bottom: 0; color: var(--muted); }
.section-paper .section-head p:last-child { color: var(--muted-paper); }
.kicker { margin: 0 0 8px; color: var(--copper); font-size: 13px; line-height: 1.4; }
.lead { color: var(--muted); max-width: 640px; }
.adult-line { color: var(--muted); font-size: 13px; margin-bottom: 0; }
.tag {
 display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px;
 border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: 12px;
}
.section-paper .tag { border-color: var(--line-paper); color: var(--muted-paper); }
.pill {
 display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px;
 border-radius: 999px; border: 1px solid var(--line); font-size: 12px; line-height: 1; white-space: nowrap;
}
.pill-done { color: var(--olive); border-color: rgba(125, 143, 106, .7); }
.pill-wait { color: var(--copper); border-color: rgba(196, 107, 90, .7); }
.summary-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.axis-mini { list-style: none; margin: 8px 0 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--panel); box-shadow: var(--shadow); }
.axis-mini li { display: flex; justify-content: space-between; gap: 12px; padding: 12px 14px; border-top: 1px solid var(--line); }
.axis-mini li:first-child { border-top: 0; }
.axis-mini span { color: var(--muted); }
.axis-mini strong { font-weight: 650; color: var(--on-dark); }
.batch-timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.batch-timeline::before { content: ""; position: absolute; left: 15px; top: 8px; bottom: 8px; width: 1px; background: var(--line-paper); }
.batch-item { position: relative; padding: 0 0 18px 44px; }
.batch-no {
 position: absolute; left: 0; top: 16px; width: 32px; height: 32px; border-radius: 50%;
 background: var(--wine); color: var(--on-dark); font-size: 12px; display: flex; align-items: center; justify-content: center; z-index: 1;
}
.batch-body {
 background: #FFFDF9; color: var(--ink); border: 1px solid var(--line-paper); border-radius: var(--radius-card);
 box-shadow: var(--shadow-paper); padding: 16px 16px 8px; transition: border-color var(--ease);
}
.batch-body:hover { border-color: var(--copper); }
.batch-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.batch-top h3 { margin: 0; }
.batch-body p { color: var(--muted-paper); font-size: 15px; }
.meta-line { display: flex; flex-wrap: wrap; gap: 8px 14px; padding-top: 8px; border-top: 1px solid var(--line-paper); margin-bottom: 8px; }
.meta-line span { color: var(--ink); font-size: 13px; line-height: 1.5; }
.meta-line em { font-style: normal; color: var(--muted-paper); margin-right: 4px; }
.more-row { margin: 8px 0 0 44px; }
.year-switch { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.year-switch button {
 flex: 0 0 auto; min-height: 44px; border-radius: 999px; border: 1px solid var(--line);
 background: transparent; color: var(--on-dark); padding: 0 16px; cursor: pointer;
 transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.year-switch button:hover { border-color: var(--copper); color: var(--copper); }
.year-switch button.is-active { background: var(--wine); border-color: var(--wine); color: var(--on-dark); }
.year-switch button.is-active:hover { background: var(--copper); border-color: var(--copper); color: var(--on-dark); }
.proof-copy p:last-child { margin-bottom: 0; }
.spec-board { border: 1px solid var(--line-paper); border-radius: var(--radius-card); background: #FFFDF9; box-shadow: var(--shadow-paper); }
.spec-row { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; padding: 12px 14px; border-top: 1px solid var(--line-paper); }
.spec-row:first-child { border-top: 0; }
.spec-row span { color: var(--muted-paper); }
.spec-row strong { font-weight: 650; color: var(--ink); text-align: right; }
.article-line { display: flex; gap: 18px; align-items: baseline; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.article-line time { color: var(--muted); flex: 0 0 auto; }
.article-line h3 { margin: 0 0 4px; }
.article-line a { color: var(--on-dark); }
.article-line a:hover { color: var(--copper); }
.article-line p { color: var(--muted); margin: 0; }
.faq-item { padding: 16px 0; border-top: 1px solid var(--line-paper); }
.faq-item:first-child { border-top: 0; padding-top: 0; }
.faq-item h3 { font-size: 18px; }
.faq-item p { margin: 0; color: var(--muted-paper); }
.back-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.back-row p { margin: 0; color: var(--muted); max-width: 640px; }
.site-footer { background: #100d11; border-top: 1px solid var(--line); padding: 48px 0 36px; color: var(--muted); }
.footer-brand { margin-bottom: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 16px 0; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--on-dark); }
.footer-links a:hover { color: var(--copper); }
.copyright { color: var(--muted); font-size: 13px; margin: 0; }
.row { max-width: 75rem; margin-left: auto; margin-right: auto; }
.row::after { content: ""; display: table; clear: both; }
.columns { width: 100%; float: left; padding-left: .75rem; padding-right: .75rem; }
.small-12 { width: 100%; }
@media (min-width: 640px) {
 .medium-7 { width: 58.3333%; }
 .medium-5 { width: 41.6667%; }
}
@media (min-width: 1024px) {
 .large-7 { width: 58.3333%; }
 .large-5 { width: 41.6667%; }
 .show-for-large { display: block; }
 .hide-for-large { display: none !important; }
}
@media (max-width: 1023px) {
 .show-for-large { display: none !important; }
 .icon-btn { display: inline-flex; }
 .cmd-nav { display: none; }
 h1 { font-size: 30px; }
 .section { padding: 56px 0; }
}
@media (max-width: 639px) {
 h1 { font-size: 26px; }
 h2 { font-size: 22px; }
 .logo { max-width: 56vw; }
 .logo-main { font-size: 14px; }
 .batch-timeline::before { left: 12px; }
 .batch-item { padding-left: 36px; }
 .batch-no { width: 26px; height: 26px; font-size: 11px; }
 .more-row { margin-left: 36px; }
 .article-line { flex-direction: column; gap: 4px; }
 .batch-top { flex-direction: column; }
}