/* roulang page: index */
:root {
  --wine: #7A3044;
  --wine-deep: #632636;
  --clay: #C46A4A;
  --moss: #3E5C4A;
  --ink: #1A1216;
  --ink-soft: #24181D;
  --paper: #F4EFE8;
  --card: #FFFBF7;
  --line: rgba(26, 18, 22, .14);
  --line-light: rgba(244, 239, 232, .18);
  --muted: rgba(26, 18, 22, .62);
  --muted-light: rgba(244, 239, 232, .72);
  --radius: 14px;
  --shadow: 0 10px 28px rgba(26, 18, 22, .08);
  --serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  --sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
body, h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { max-width: 100%; display: block; }
a { color: var(--ink); text-decoration: none; }
button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
button { cursor: pointer; }
::selection { background: var(--wine); color: var(--paper); }
:focus { outline: none; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
}
[hidden] { display: none !important; }
.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 80;
  background: var(--wine);
  color: var(--paper);
  padding: 8px 14px;
  border-radius: 999px;
}
.skip:focus { top: 10px; }
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(26, 18, 22, .06); }
.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.logo {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.25;
  color: var(--wine);
  letter-spacing: 0;
}
.logo:hover { color: var(--wine-deep); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--ink);
  background: transparent;
}
.nav-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--clay);
  flex: none;
}
.nav-links a:hover { color: var(--wine); background: transparent; }
.nav-links a:active { color: var(--wine-deep); }
.nav-links a[aria-current="page"] {
  color: var(--wine);
  box-shadow: inset 0 -1px 0 var(--wine);
}
.band { padding: 72px 0; }
.band-paper { background: var(--paper); color: var(--ink); }
.band-ink { background: var(--ink-soft); color: var(--paper); }
.band-paper + .band-paper { box-shadow: inset 0 1px 0 var(--line); }
h1, h2, h3, .logo, .floor-no, .stat-num, .step-no {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0;
}
h1 { font-size: 52px; line-height: 1.2; }
h2 { font-size: 30px; line-height: 1.3; }
h3 { font-size: 20px; line-height: 1.45; }
.sub { margin-top: 10px; font-size: 17px; line-height: 1.7; }
.lead, .copy { max-width: 42em; }
.lead { margin-top: 16px; color: inherit; }
.band-paper .sub, .band-paper .muted { color: var(--muted); }
.band-ink .sub, .band-ink .muted { color: var(--muted-light); }
.block-head { margin-bottom: 28px; }
.hero-title { max-width: 7.2em; }
.kicker {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(196, 106, 74, .16);
  color: #F6D2C4;
  font-size: 13px;
}
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  line-height: 1;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--wine); color: var(--paper); }
.btn-primary:hover { background: var(--wine-deep); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); border-color: rgba(26, 18, 22, .45); }
.btn-ghost:hover { color: var(--wine); border-color: var(--wine); }
.band-ink .btn-ghost { color: var(--paper); border-color: rgba(244, 239, 232, .45); }
.band-ink .btn-ghost:hover { color: var(--paper); border-color: var(--clay); }
.text-link {
  color: var(--wine);
  border-bottom: 1px solid transparent;
}
.text-link:hover { border-bottom-color: var(--wine); }
.band-ink .text-link { color: var(--paper); }
.band-ink .text-link:hover { border-bottom-color: var(--clay); }
.card {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--wine); }
.card:active { transform: translateY(0); }
.band-ink .card {
  background: #2C2026;
  color: var(--paper);
  border-color: var(--line-light);
}
.badge, .chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
}
.badge { background: rgba(122, 48, 68, .1); color: var(--wine); }
.band-ink .badge { background: rgba(196, 106, 74, .18); color: #F6D2C4; }
.chip { border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.pain-link {
  display: block;
  min-height: 100%;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}
.pain-link:hover { transform: translateY(-2px); border-color: var(--wine); }
.pain-link h3 { font-size: 18px; }
.pain-link p { margin-top: 8px; font-size: 15px; color: var(--muted); }
.hot-list { margin-top: 8px; }
.hot-row {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-light);
  color: var(--paper);
}
.hot-row:hover h3 { color: #F6D2C4; }
.hot-row h3 { font-size: 16px; line-height: 1.5; }
.floor-no { color: var(--wine); font-size: 28px; line-height: 1; }
.band-ink .floor-no { color: #E7B2A4; }
.heats { display: inline-flex; gap: 4px; align-items: center; }
.heats i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clay);
  display: block;
}
.heats[data-lv="2"] i:nth-child(3),
.heats[data-lv="1"] i:nth-child(n+2) { opacity: .28; }
.step-list { display: flex; flex-direction: column; }
.step-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.step-row:last-child { border-bottom: 1px solid var(--line); }
.step-no { font-size: 32px; color: var(--wine); line-height: 1; }
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 8px 18px;
  border-left: 1px solid var(--line-light);
}
.stat-item:first-child { border-left: 0; padding-left: 0; }
.stat-num { font-size: 42px; line-height: 1.1; }
.stat-item p { margin-top: 6px; font-size: 13px; color: var(--muted-light); }
.quote {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--wine);
  border-radius: 0 14px 14px 0;
  box-shadow: var(--shadow);
  padding: 20px 18px 20px 16px;
}
.who { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.swatch { width: 36px; height: 36px; border-radius: 50%; display: inline-block; }
.swatch-wine { background: var(--wine); }
.swatch-clay { background: var(--clay); }
.swatch-moss { background: var(--moss); }
.quote p { margin-top: 12px; }
.topic-link {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 18px 8px;
  border-bottom: 1px solid var(--line);
  color: inherit;
}
.topic-link:hover { background: rgba(122, 48, 68, .04); }
.topic-link:hover h3 { color: var(--wine); }
.topic-main p { margin-top: 4px; color: var(--muted); font-size: 15px; }
.topic-side { display: flex; align-items: center; gap: 10px; }
.when { font-size: 13px; color: var(--muted); }
.more-wrap { margin-top: 18px; }
.metric-num { font-family: var(--serif); font-size: 48px; line-height: 1; }
.metric-box { padding: 18px 0; border-top: 1px solid var(--line-light); }
.metric-box p { margin-top: 6px; font-size: 13px; color: var(--muted-light); }
.compare-block {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.compare-block:last-of-type { border-bottom: 1px solid var(--line); }
.idx { font-family: var(--serif); font-size: 28px; color: var(--wine); line-height: 1.2; }
.cover {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.point-list li { border-bottom: 1px solid var(--line); }
.point-list a {
  position: relative;
  display: block;
  padding: 14px 0 14px 16px;
}
.point-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clay);
}
.point-list a:hover { color: var(--wine); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 12px 8px 16px;
  text-align: left;
  background: transparent;
  border: 0;
  border-left: 4px solid var(--wine);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
}
.faq-q:hover { color: var(--wine); }
.faq-q::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--wine);
  border-bottom: 1.5px solid var(--wine);
  transform: rotate(45deg);
  flex: none;
  margin-top: -4px;
}
.faq-q[aria-expanded="true"]::after { transform: rotate(-135deg); margin-top: 4px; }
.faq-a {
  margin: 0 0 12px 0;
  padding: 4px 16px 16px 20px;
  background: var(--card);
  border-radius: 0 0 14px 14px;
  color: var(--ink);
}
.reply-box {
  margin-top: 22px;
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.field span { font-size: 13px; }
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 12px 14px;
  line-height: 1.6;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--clay); }
.form-status { margin-top: 12px; color: var(--moss); font-size: 15px; }
.site-footer {
  background: var(--ink-soft);
  color: var(--paper);
  padding: 28px 0;
}
.foot-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  font-size: 14px;
}
.site-footer a { color: var(--paper); }
.site-footer a:hover { color: #F6D2C4; }
.site-footer .logo { color: var(--paper); font-size: 16px; }
.copyline { color: var(--muted-light); }
.moss-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--moss);
  display: inline-block;
  margin-right: 6px;
}
@media (max-width: 1024px) {
  h1 { font-size: 44px; }
  .stat-num { font-size: 36px; }
}
@media (max-width: 768px) {
  .band { padding: 40px 0; }
  .container { padding: 0 16px; }
  .nav-wrap {
    min-height: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding-top: 14px;
  }
  .logo { min-height: 44px; display: inline-flex; align-items: center; }
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a {
    border-top: 1px solid var(--line);
    letter-spacing: .04em;
    font-size: 15px;
  }
  h1 { font-size: 34px; }
  h2 { font-size: 24px; }
  .stat-row { grid-template-columns: 1fr 1fr; gap: 18px 0; }
  .stat-item { border-left: 0; padding: 8px 8px 8px 0; }
  .topic-link { grid-template-columns: 44px minmax(0, 1fr); }
  .topic-side { grid-column: 2; flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .step-row { grid-template-columns: 52px 1fr; gap: 10px; }
  .step-no, .floor-no { font-size: 24px; }
  .compare-block { grid-template-columns: 36px 1fr; }
  .metric-num { font-size: 40px; }
  .hot-row { grid-template-columns: 36px 1fr; }
  .hot-row .badge { display: none; }
}
@media (min-width: 768px) {
  .container { padding: 0 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

.faq-a[hidden], #reply-box[hidden] { display: block !important; }

/* roulang page: category2 */
:root {
  --wine: #7A3044;
  --wine-deep: #632636;
  --clay: #C46A4A;
  --moss: #3E5C4A;
  --ink: #1A1216;
  --ink-soft: #24181D;
  --paper: #F4EFE8;
  --card: #FFFBF7;
  --line: rgba(26, 18, 22, .14);
  --line-light: rgba(244, 239, 232, .18);
  --muted: rgba(26, 18, 22, .62);
  --muted-light: rgba(244, 239, 232, .72);
  --radius: 14px;
  --shadow: 0 10px 28px rgba(26, 18, 22, .08);
  --serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  --sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
body, h1, h2, h3, p, ul, ol, figure { margin: 0; }
img, svg { max-width: 100%; display: block; }
a { color: var(--ink); text-decoration: none; }
button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
button { cursor: pointer; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
}
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(26, 18, 22, .06); }
.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.logo {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.25;
  color: var(--wine);
  letter-spacing: 0;
}
.logo:hover { color: var(--wine-deep); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--ink);
  background: transparent;
}
.nav-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--clay);
  flex: none;
}
.nav-links a:hover { color: var(--wine); background: transparent; }
.nav-links a:active { color: var(--wine-deep); }
.nav-links a[aria-current="page"] {
  color: var(--wine);
  box-shadow: inset 0 -1px 0 var(--wine);
}
h1, h2, h3, .logo, .floor-no, .stat-num, .step-no {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0;
}
h1 { font-size: 34px; line-height: 1.2; text-align: left; }
h2 { font-size: 24px; line-height: 1.3; text-align: left; }
h3 { font-size: 18px; line-height: 1.45; text-align: left; }
.lead, .copy { max-width: 68em; }
.lead { margin-top: 16px; font-size: 17px; line-height: 1.8; }
.sub, .aux { font-size: 13px; line-height: 1.7; }
.band { padding: 40px 0; }
.band-paper { background: var(--paper); color: var(--ink); }
.band-ink { background: var(--ink-soft); color: var(--paper); }
.band-slim { padding: 28px 0; }
.band-paper .sub, .band-paper .muted { color: var(--muted); }
.band-ink .sub, .band-ink .muted, .band-ink .lead { color: var(--muted-light); }
.band-ink h1, .band-ink h2, .band-ink h3 { color: var(--paper); }
.block-title { max-width: 16em; }
.mast {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
}
.mast-copy { max-width: 760px; border-left: 1px solid var(--clay); padding-left: 18px; }
.heat-badge {
  height: 36px;
  padding: 0 16px;
  background: var(--clay);
  color: var(--paper);
  font-size: 15px;
  flex: none;
}
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  line-height: 1;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--wine); color: var(--paper); }
.btn-primary:hover { background: var(--wine-deep); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); border-color: rgba(26, 18, 22, .45); }
.btn-ghost:hover { color: var(--wine); border-color: var(--wine); }
.band-ink .btn-ghost { color: var(--paper); border-color: rgba(244, 239, 232, .45); }
.band-ink .btn-ghost:hover { color: var(--paper); border-color: var(--clay); }
.text-link { color: var(--wine); border-bottom: 1px solid transparent; }
.text-link:hover { border-bottom-color: var(--wine); }
.band-ink .text-link { color: var(--paper); }
.band-ink .text-link:hover { border-bottom-color: var(--clay); }
.card {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--wine); }
.card:active { transform: translateY(0); }
.band-ink .card {
  background: #2C2026;
  color: var(--paper);
  border-color: var(--line-light);
}
.band-ink .card h3 { color: var(--paper); }
.badge, .chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
}
.badge { background: rgba(122, 48, 68, .1); color: var(--wine); }
.band-ink .badge { background: rgba(196, 106, 74, .18); color: #F6D2C4; }
.chip { border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.band-ink .chip { background: transparent; color: var(--paper); border-color: var(--line-light); }
.scene-tile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 210px;
  padding: 24px;
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}
.scene-tile:hover { transform: translateY(-2px); border-color: var(--wine); color: var(--ink); }
.scene-tile:active { transform: translateY(0); }
.scene-tile p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.tile-mark {
  width: 100%;
  height: 72px;
  border-radius: 14px;
  border: 1px solid var(--line);
}
.floor-no { font-size: 28px; line-height: 1; color: var(--wine); }
.band-ink .floor-no { color: #F6D2C4; }
.meta-row, .card-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.card p + p { margin-top: 8px; }
.card .muted, .scene-tile .muted { color: var(--muted); }
.band-ink .card .muted { color: var(--muted-light); }
.mag-main h3 { font-size: 28px; line-height: 1.35; margin-top: 12px; }
.cover {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
}
.band-ink .cover { border-color: var(--line-light); }
.heats { display: inline-flex; gap: 4px; align-items: center; }
.heats i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clay);
  display: block;
}
.heats[data-lv="2"] i:nth-child(3),
.heats[data-lv="1"] i:nth-child(n+2) { opacity: .28; }
.contrast-col {
  padding: 8px 0 8px 16px;
  border-left: 1px solid var(--clay);
}
.contrast-col li {
  position: relative;
  padding: 12px 0 12px 16px;
  border-bottom: 1px solid var(--line);
  list-style: none;
}
.contrast-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clay);
}
.point-list { list-style: none; padding: 0; }
.point-list li { border-bottom: 1px solid var(--line); }
.point-list a {
  position: relative;
  display: block;
  padding: 14px 0 14px 16px;
}
.point-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clay);
}
.point-list a:hover { color: var(--wine); }
.tag-row .badge { height: 32px; padding: 0 14px; }
.excerpt h3 { margin: 10px 0; }
.excerpt p { color: var(--muted); font-size: 15px; }
.faq-item { border-bottom: 1px solid var(--line-light); }
.faq-q {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 12px 8px 16px;
  text-align: left;
  background: transparent;
  border: 0;
  border-left: 3px solid var(--clay);
  color: var(--paper);
}
.faq-q span { font-family: var(--serif); font-size: 18px; line-height: 1.45; }
.faq-q i {
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--clay);
  border-bottom: 1.5px solid var(--clay);
  transform: rotate(45deg);
  transition: transform .2s ease;
  flex: none;
}
.faq-q[aria-expanded="true"] i { transform: rotate(-135deg); }
.faq-q:hover { color: #F6D2C4; }
.faq-q:active { color: var(--paper); }
.faq-a { padding: 4px 16px 18px 20px; color: var(--muted-light); }
.faq-a[hidden] { display: none; }
.more-row { margin-top: 22px; }
.back-row { margin-top: 28px; }
.site-footer {
  background: var(--ink-soft);
  color: var(--paper);
  padding: 28px 0;
  border-top: 1px solid var(--line-light);
}
.foot-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
  font-size: 13px;
}
.site-footer a { color: var(--paper); }
.site-footer a:hover { color: #F6D2C4; }
.site-footer .logo { color: var(--paper); font-size: 16px; }
.site-footer .logo:hover { color: #F6D2C4; }
.copyline { color: var(--muted-light); }
@media (min-width: 768px) {
  .container { padding: 0 24px; }
  h1 { font-size: 44px; }
}
@media (min-width: 1024px) {
  h1 { font-size: 52px; }
  h2 { font-size: 30px; }
  .band { padding: 64px 0; }
  .band-slim { padding: 36px 0; }
  .mag-main h3 { font-size: 32px; }
}
@media (max-width: 768px) {
  .nav-wrap {
    min-height: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding-top: 8px;
    padding-bottom: 4px;
  }
  .logo { min-height: 44px; display: inline-flex; align-items: center; }
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a {
    border-top: 1px solid var(--line);
    letter-spacing: .04em;
  }
}
@media (max-width: 640px) {
  .mast { flex-direction: column; align-items: flex-start; }
  .mag-main h3 { font-size: 22px; }
  .faq-q span { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --wine: #7A3044;
  --wine-deep: #632636;
  --clay: #C46A4A;
  --moss: #3E5C4A;
  --ink: #1A1216;
  --ink-soft: #24181D;
  --paper: #F4EFE8;
  --card: #FFFBF7;
  --line: rgba(26, 18, 22, .14);
  --line-light: rgba(244, 239, 232, .18);
  --muted: rgba(26, 18, 22, .62);
  --muted-light: rgba(244, 239, 232, .72);
  --radius: 14px;
  --shadow: 0 10px 28px rgba(26, 18, 22, .08);
  --serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  --sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
/* roulang page: category-update */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
body, h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { max-width: 100%; display: block; }
a { color: var(--ink); text-decoration: none; }
button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  background: transparent;
  border: 0;
  padding: 0;
}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
}
::selection { background: rgba(122, 48, 68, .18); }
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(26, 18, 22, .06); }
.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.logo {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.25;
  color: var(--wine);
  letter-spacing: 0;
}
.logo:hover { color: var(--wine-deep); }
.logo:active { color: var(--wine-deep); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--ink);
  background: transparent;
}
.nav-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--clay);
  flex: none;
}
.nav-links a:hover { color: var(--wine); background: transparent; }
.nav-links a:active { color: var(--wine-deep); }
.nav-links a[aria-current="page"] {
  color: var(--wine);
  box-shadow: inset 0 -1px 0 var(--wine);
}
h1, h2, h3, .logo, .floor-no, .stat-num, .step-no {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0;
}
h1 { font-size: 52px; line-height: 1.2; }
h2 { font-size: 30px; line-height: 1.3; margin-bottom: 22px; }
h3 { font-size: 18px; line-height: 1.5; }
.lead, .copy, .mast-note, .floor-main p, .faq-a p, .method-card p, .excerpt-copy p {
  max-width: 68ch;
}
.lead { margin-top: 12px; color: var(--muted); }
.mast-note { font-size: 17px; line-height: 1.8; }
.sub, .muted { color: var(--muted); font-size: 15px; }
.band { padding: 64px 0; }
.band-paper { background: var(--paper); color: var(--ink); }
.band-ink { background: var(--ink-soft); color: var(--paper); }
.band-paper + .band-paper { box-shadow: inset 0 1px 0 var(--line); }
.band-ink h2, .band-ink .mast-note { color: var(--paper); }
.band-paper .sub, .band-paper .muted { color: var(--muted); }
.band-ink .sub, .band-ink .muted { color: var(--muted-light); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  line-height: 1;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--wine); color: var(--paper); }
.btn-primary:hover { background: var(--wine-deep); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); border-color: rgba(26, 18, 22, .45); }
.btn-ghost:hover { color: var(--wine); border-color: var(--wine); }
.band-ink .btn-ghost { color: var(--paper); border-color: rgba(244, 239, 232, .45); }
.band-ink .btn-ghost:hover { color: var(--paper); border-color: var(--clay); }
.text-link { color: var(--wine); border-bottom: 1px solid transparent; }
.text-link:hover { border-bottom-color: var(--wine); }
.text-link:active { color: var(--wine-deep); }
.band-ink .text-link { color: var(--paper); }
.band-ink .text-link:hover { border-bottom-color: var(--clay); }
.card {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--wine); }
.card:active { transform: translateY(0); }
.band-ink .card {
  background: #2C2026;
  color: var(--paper);
  border-color: var(--line-light);
}
.band-ink .card a { color: var(--paper); }
.band-ink .card a:hover { color: #F6D2C4; }
.badge, .chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
}
.badge { background: rgba(122, 48, 68, .1); color: var(--wine); }
.band-ink .badge { background: rgba(196, 106, 74, .18); color: #F6D2C4; }
.chip { border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.mini-stats li {
  padding: 8px 0 8px 14px;
  border-left: 1px solid var(--line);
}
.stat-num {
  display: block;
  font-size: 32px;
  line-height: 1.1;
  color: var(--wine);
}
.mini-stats span:last-child {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}
.filter-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-pills button {
  min-height: 36px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-size: 14px;
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.filter-pills button:hover { color: var(--wine); border-color: var(--wine); }
.filter-pills button:active { transform: translateY(1px); }
.filter-pills button.is-on,
.filter-pills button[aria-pressed="true"] {
  color: var(--wine);
  border-color: var(--wine);
  box-shadow: inset 0 0 0 1px var(--wine);
}
.stream-list { margin-top: 4px; }
.floor-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 8px 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: opacity .2s ease, box-shadow .2s ease;
}
.floor-row.is-dim { opacity: .38; }
.floor-row.is-hit { box-shadow: inset 2px 0 0 var(--wine); }
.floor-no {
  font-size: 22px;
  line-height: 1.4;
  color: var(--wine);
}
.floor-main h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 18px;
}
.floor-main a:hover { color: var(--wine); }
.floor-main a:active { color: var(--wine-deep); }
.floor-main p {
  margin-top: 2px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.floor-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  padding-top: 4px;
}
.heats { display: inline-flex; gap: 4px; align-items: center; }
.heats i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clay);
  display: block;
}
.heats[data-lv="2"] i:nth-child(3),
.heats[data-lv="1"] i:nth-child(n+2) { opacity: .28; }
.more-wrap { margin-top: 18px; }
.step-no {
  display: block;
  font-size: 28px;
  line-height: 1;
  color: var(--clay);
  margin-bottom: 12px;
}
.method-card h3 { margin-bottom: 8px; }
.method-card p { font-size: 15px; line-height: 1.7; color: var(--muted-light); }
.metric-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.metric-item { padding: 20px 8px 20px 0; }
.metric-item + .metric-item {
  border-left: 1px solid var(--line);
  padding-left: 28px;
}
.metric-item .stat-num { font-size: 48px; }
.metric-item p { margin-top: 6px; font-size: 13px; color: var(--muted); }
.quote-card {
  border-left: 3px solid var(--wine);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.quote-card p { font-size: 17px; line-height: 1.8; }
.quote-card .who {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}
.excerpt-row {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-light);
  color: var(--paper);
}
.excerpt-row h3 { color: var(--paper); font-size: 18px; }
.excerpt-row:hover h3 { color: #F6D2C4; }
.excerpt-row:active h3 { color: var(--paper); }
.excerpt-copy p {
  margin-top: 4px;
  color: var(--muted-light);
  font-size: 15px;
  line-height: 1.7;
}
.swatch {
  width: 120px;
  height: 80px;
  border-radius: 14px;
  flex: none;
}
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 12px 8px 16px;
  text-align: left;
  background: transparent;
  border: 0;
  border-left: 2px solid var(--wine);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.5;
}
.faq-q:hover { color: var(--wine); }
.faq-q:active { color: var(--wine-deep); }
.mark {
  width: 12px;
  height: 12px;
  position: relative;
  flex: none;
}
.mark::before, .mark::after {
  content: "";
  position: absolute;
  background: var(--wine);
  left: 0;
  right: 0;
  top: 5px;
  height: 1px;
}
.mark::after { transform: rotate(90deg); }
.faq-q[aria-expanded="true"] .mark::after { opacity: 0; }
.faq-a:not([hidden]) {
  display: block;
  margin: 0 0 12px;
  padding: 4px 16px 16px 18px;
  background: var(--card);
  border-radius: 0 0 var(--radius) var(--radius);
}
.faq-a p { color: var(--muted); font-size: 16px; }
.backline { margin-top: 22px; }
.site-footer {
  background: var(--ink-soft);
  color: var(--paper);
  padding: 22px 0;
}
.site-footer, .site-footer a { color: var(--paper); }
.site-footer a:hover { color: #F6D2C4; }
.site-footer .logo { color: var(--paper); font-size: 16px; }
.site-footer .logo:hover { color: #F6D2C4; }
.foot-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  min-height: 48px;
  font-size: 13px;
}
.copyline { color: var(--muted-light); }
.hot-list { margin-top: 8px; }
.hot-row {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-light);
}
.step-list { display: flex; flex-direction: column; }
.step-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.step-row:last-child { border-bottom: 1px solid var(--line); }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); }
.point-list a {
  position: relative;
  display: block;
  padding: 14px 0 14px 16px;
}
.point-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clay);
}
@media (min-width: 768px) {
  .container { padding: 0 24px; }
}
@media (max-width: 1023px) {
  .mini-stats li { border-left: 0; padding-left: 0; }
}
@media (max-width: 768px) {
  h1 { font-size: 34px; }
  h2 { font-size: 24px; margin-bottom: 16px; }
  .band { padding: 32px 0; }
  .nav-wrap {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    min-height: 0;
    padding-top: 10px;
    padding-bottom: 6px;
  }
  .logo { display: inline-flex; align-items: center; min-height: 44px; }
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a {
    border-top: 1px solid var(--line);
    letter-spacing: .04em;
  }
  .metric-item .stat-num { font-size: 36px; }
}
@media (max-width: 640px) {
  .floor-row { grid-template-columns: 44px minmax(0, 1fr); }
  .floor-side {
    grid-column: 2;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
  }
  .excerpt-row { align-items: flex-start; }
  .swatch { width: 84px; height: 64px; }
  .stat-num { font-size: 26px; }
}
@media (max-width: 520px) {
  .metric-bar { grid-template-columns: 1fr; }
  .metric-item + .metric-item {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .btn, .floor-row, .filter-pills button, .site-header { transition: none; }
}

.faq-a[hidden]{display:block !important;padding:4px 16px 16px 18px;background:#FFFBF7;border-radius:0 0 14px 14px}