/* roulang page: index */
:root {
  --paper: #F3EFE8;
  --paper-2: #E7E1D8;
  --card: #FBF8F4;
  --ink: #1A1614;
  --muted: #5C534C;
  --accent: #C2543A;
  --plum: #4A2C38;
  --sage: #6A726C;
  --line: #D9D1C6;
  --focus: #8C3D2E;
  --warm: #F7F1E8;
  --radius: 4px;
  --shadow: 0 12px 16px rgba(26, 22, 20, 0.06);
  --ease: 200ms ease;
  --max: 1160px;
  --h1: 52px;
  --h2: 32px;
  --h3: 21px;
  --body: 16.5px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  font-size: var(--body);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
a { color: var(--ink); text-decoration: none; transition: color var(--ease), border-color var(--ease), background var(--ease); }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
button, input, textarea { font-family: inherit; }
h1, h2, h3, h4, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.grid-container { max-width: var(--max); width: calc(100% - 40px); margin: 0 auto; padding: 0; }
.num, .time, .stat-num { font-variant-numeric: tabular-nums; font-family: "SFMono-Regular", "JetBrains Mono", ui-monospace, monospace; }
.skip {
  position: absolute; left: 12px; top: -40px; background: var(--ink); color: var(--warm); padding: 8px 12px; z-index: 80;
}
.skip:focus { top: 8px; color: var(--warm); }

.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(243, 239, 232, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(1.1);
}
.header-row { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 20px; }
.brand { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: 0.01em; color: var(--ink); line-height: 1.2; }
.brand-name:hover { color: var(--ink); }
.brand-sub { font-size: 13px; color: var(--sage); letter-spacing: 0.08em; }
.age {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 22px; padding: 0 6px; margin-left: 4px;
  border: 1px solid var(--plum); color: var(--plum); border-radius: var(--radius);
  font-size: 12px; font-weight: 700; letter-spacing: 0.04em;
}
.desk-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  position: relative; display: inline-flex; align-items: center; height: 44px; padding: 0 14px;
  font-size: 15px; color: var(--ink);
}
.nav-link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 8px; height: 2px;
  background: transparent; transition: background var(--ease);
}
.nav-link:hover::after, .nav-link.is-current::after { background: var(--accent); }
.nav-link.is-current { color: var(--accent); }
.menu-btn {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--card);
  border-radius: var(--radius); color: var(--ink); cursor: pointer;
}
.menu-btn span { display: block; width: 16px; height: 1px; background: var(--ink); margin: 4px auto; }
.off-canvas { background: var(--card); color: var(--ink); padding: 28px 22px; }
.drawer-title { font-weight: 700; margin-bottom: 18px; }
.drawer-link { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.drawer-link.is-current { color: var(--accent); }

.section { padding: 88px 0; }
.section-alt { background: var(--paper-2); }
.section-card { background: var(--paper); }
.kicker { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.kicker i {
  font-style: normal; color: var(--sage); font-size: 13px; letter-spacing: 0.14em;
  font-family: "SFMono-Regular", ui-monospace, monospace;
}
h1 { font-size: var(--h1); line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: var(--h2); line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: var(--h3); line-height: 1.35; font-weight: 700; }
.lead { margin-top: 16px; color: var(--muted); max-width: 46em; }
.subhead { margin-top: 14px; font-size: 18px; line-height: 1.6; max-width: 36em; }

.hero { padding: 72px 0 28px; background: var(--paper); }
.hero-grid { align-items: stretch; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding-right: 12px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn, .btn-line {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px;
  border-radius: var(--radius); border: 1px solid transparent; cursor: pointer; font-size: 15px; font-weight: 600;
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
}
.btn { background: var(--accent); color: #FBF8F4; }
.btn:hover, .btn:focus-visible { background: var(--ink); color: var(--warm); }
.btn:active, .btn-line:active { transform: translateY(1px); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-line:hover, .btn-line:focus-visible { background: var(--ink); color: var(--warm); }
.still {
  position: relative; min-height: 420px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--plum); box-shadow: var(--shadow);
}
.still img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.still figcaption {
  position: absolute; left: 14px; bottom: 14px; right: 14px;
  display: flex; justify-content: space-between; gap: 8px;
  color: var(--warm); font-size: 13px; background: rgba(26, 22, 20, 0.38); padding: 8px 10px; border-radius: var(--radius);
}

.pill-wrap { padding: 8px 0 36px; background: var(--paper); }
.pill-row {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 8px;
}
.pill {
  display: inline-flex; align-items: center; height: 36px; padding: 0 16px;
  border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 14px;
  white-space: nowrap;
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
.pill.is-current { background: var(--ink); color: var(--warm); border-color: var(--ink); }
.pill.is-current:hover { color: var(--warm); }

.mosaic { margin-top: 28px; }
.tile {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  height: 100%; transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.tile:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow); }
.tile-lg { min-height: 320px; display: flex; flex-direction: column; justify-content: space-between; background:
  linear-gradient(160deg, rgba(251,248,244,0.94), rgba(251,248,244,0.88)),
  url("data:image/svg+xml;charset=UTF-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 500'><rect fill='%234A2C38' width='800' height='500'/><rect fill='%23C2543A' opacity='0.45' x='40' y='40' width='260' height='420'/></svg>") center/cover; }
.stack { display: grid; gap: 16px; }
.tile p { color: var(--muted); margin-top: 8px; font-size: 15px; }
.tile-foot { margin-top: 18px; }
.rhythm {
  margin-top: 16px; display: flex; justify-content: space-between; gap: 16px; align-items: center;
  border: 1px solid var(--line); background: var(--card); border-radius: var(--radius); padding: 16px 18px;
}
.rhythm:hover { border-color: var(--accent); }
.badge {
  display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border-radius: var(--radius);
  background: #E4E6E2; color: var(--ink); font-size: 12px; letter-spacing: 0.04em;
}
.badge-plum { background: #E7D9DE; }
.meta-line { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.stat-row { margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { padding: 22px 16px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat-num { font-size: 40px; line-height: 1; font-weight: 650; letter-spacing: -0.03em; }
.stat-unit { font-size: 14px; color: var(--sage); margin-left: 4px; }
.stat b { display: block; margin-top: 10px; font-size: 14px; font-weight: 600; }
.stat span { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }

.scene-list { margin-top: 26px; display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.scene {
  display: grid; grid-template-columns: 92px 1.2fr 1.6fr auto; gap: 18px; align-items: center;
  padding: 18px 4px; border-bottom: 1px solid var(--line); color: var(--ink);
}
.scene:hover { color: var(--accent); }
.scene strong { font-size: 18px; font-weight: 700; }
.scene em { font-style: normal; color: var(--muted); font-size: 14px; }
.scene .go { font-size: 13px; color: var(--sage); }

.steps { margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.step { padding: 8px 22px 8px 0; border-top: 1px solid var(--ink); min-height: 180px; }
.step + .step { padding-left: 22px; }
.step .ord { color: var(--accent); font-size: 13px; letter-spacing: 0.12em; }
.step h3 { margin: 12px 0 8px; }
.step p { color: var(--muted); font-size: 15px; }

.compare { margin-top: 28px; align-items: stretch; }
.def {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px 8px; height: 100%;
}
.def-wide { background: var(--ink); color: var(--warm); border-color: var(--ink); }
.def-wide dt { color: #E7D9DE; }
.def-wide dd { color: var(--warm); border-color: rgba(217, 209, 198, 0.28); }
.def h3 { margin-bottom: 8px; }
.def dl { margin: 12px 0 0; }
.def dt { font-size: 13px; color: var(--sage); margin-top: 12px; }
.def dd { margin: 0; padding: 6px 0 12px; border-bottom: 1px solid var(--line); font-size: 16px; }

.masonry { margin-top: 26px; }
.case {
  display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; height: 100%;
  color: var(--ink); transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.case:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow); color: var(--ink); }
.case img { width: 100%; height: 180px; object-fit: cover; background: var(--paper-2); }
.case-lg img { height: 280px; }
.case-body { padding: 16px 16px 18px; }
.case-body h3 { font-size: 20px; }
.case-top { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 8px; font-size: 13px; color: var(--sage); }
.case-body p { color: var(--muted); font-size: 14px; margin-top: 8px; }

.note-layout { margin-top: 26px; }
.essay {
  border-left: 2px solid var(--accent); padding: 4px 0 4px 18px;
}
.essay p + p { margin-top: 12px; color: var(--muted); }
.note-list { display: flex; flex-direction: column; }
.note-item { padding: 14px 0; border-bottom: 1px solid var(--line); }
.note-item:first-child { padding-top: 0; }
.note-item a { font-weight: 700; }
.note-item p { color: var(--muted); font-size: 14px; margin-top: 4px; }

.news { margin-top: 18px; border-top: 1px solid var(--line); }
.news-row {
  display: grid; grid-template-columns: 110px 1fr auto; gap: 16px; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink);
}
.news-row:hover .news-title { color: var(--accent); }
.news-date { color: var(--sage); font-size: 13px; }
.news-title { font-weight: 650; }
.news-tag { color: var(--muted); font-size: 13px; }

.logo-rail {
  margin-top: 22px; display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none;
}
.logo-rail::-webkit-scrollbar { display: none; }
.logo-chip {
  flex: 0 0 auto; min-width: 148px; height: 64px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); color: var(--plum);
  letter-spacing: 0.12em; font-weight: 700;
}

.band-ink { background: var(--ink); color: var(--warm); }
.band-ink .lead, .band-ink p { color: #E7E1D8; }
.band-ink h2, .band-ink h3 { color: var(--warm); }
.quote-lg, .quote-sm {
  border-top: 1px solid rgba(217, 209, 198, 0.35); padding-top: 16px; margin-top: 16px;
}
.quote-lg p, .quote-sm p { font-size: 17px; line-height: 1.7; }
.quote-sm p { font-size: 15px; }
.who { display: block; margin-top: 10px; color: #C9B8B0; font-size: 13px; }

.faq { margin-top: 20px; border-top: 1px solid var(--line); }
.accordion { background: transparent; border: 0; margin: 0; }
.accordion-item { border-bottom: 1px solid var(--line); background: transparent; }
.accordion-title {
  display: block; padding: 16px 28px 16px 0; font-size: 17px; font-weight: 700; color: var(--ink) !important;
  border: 0; background: transparent; position: relative;
}
.accordion-title::before { content: ""; display: none; }
.accordion-title::after {
  content: "+"; position: absolute; right: 0; top: 14px; border: 0; color: var(--accent); font-weight: 500;
}
.is-active > .accordion-title::after { content: "–"; }
.accordion-content { border: 0; background: transparent; padding: 0 0 16px; color: var(--muted); }

.assure {
  display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 18px; align-items: center;
  border: 1px solid var(--line); background: var(--card); border-radius: var(--radius); padding: 18px 20px;
}
.assure h2 { font-size: 26px; }
.assure article strong { display: block; font-size: 14px; }
.assure article span { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }

.contact-grid { align-items: start; }
.form { display: grid; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-size: 13px; color: var(--sage); }
.field input, .field textarea {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line);
  border-radius: 0; padding: 10px 0; color: var(--ink); box-shadow: none; margin: 0;
}
.field input:focus, .field textarea:focus { border-bottom-color: var(--accent); background: transparent; }
.field textarea { min-height: 88px; resize: vertical; }
.err { color: var(--plum); font-size: 13px; min-height: 1.2em; }
.ok { color: var(--sage); font-size: 14px; min-height: 1.2em; }

.site-footer { background: var(--ink); color: #E7E1D8; padding: 56px 0 28px; }
.site-footer a { color: #E7E1D8; }
.site-footer a:hover { color: #F3EFE8; }
.foot-brand { font-size: 18px; font-weight: 700; color: var(--warm); }
.foot-col h3 { font-size: 13px; letter-spacing: 0.12em; color: #C9B8B0; margin-bottom: 12px; font-weight: 600; }
.foot-col p, .foot-col li { font-size: 14px; line-height: 1.7; color: #E7E1D8; }
.foot-col li + li { margin-top: 6px; }
.copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(217, 209, 198, 0.25); font-size: 13px; color: #C9B8B0; }

@media (max-width: 1023px) {
  :root { --h1: 40px; --h2: 28px; }
  .section { padding: 64px 0; }
  .hero { padding-top: 48px; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
  .scene { grid-template-columns: 72px 1fr; }
  .scene em, .scene .go { grid-column: 2; }
  .assure { grid-template-columns: 1fr 1fr; }
  .still, .still img { min-height: 300px; }
}
@media (max-width: 639px) {
  :root { --h1: 34px; --h2: 26px; --body: 16px; }
  .grid-container { width: calc(100% - 32px); }
  .section { padding: 48px 0; }
  .desk-nav { display: none; }
  .menu-btn { display: inline-block; }
  .brand-name { font-size: 15px; }
  .pill-wrap { padding-bottom: 28px; }
  .pill-row {
    justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .pill-row::-webkit-scrollbar { display: none; }
  .stat-row, .steps, .assure { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .step + .step { padding-left: 0; }
  .rhythm, .news-row, .scene { grid-template-columns: 1fr; display: flex; flex-direction: column; align-items: flex-start; }
  .case-lg img, .case img, .still, .still img { height: auto; min-height: 220px; }
  .header-row { min-height: 60px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition: none !important; animation: none !important;
  }
  .tile:hover, .case:hover, .btn:active, .btn-line:active { transform: none; }
}

/* roulang page: category1 */
:root {
 --paper: #F3EFE8;
 --paper-2: #E7E1D8;
 --card: #FBF8F4;
 --ink: #1A1614;
 --muted: #5C534C;
 --accent: #C2543A;
 --plum: #4A2C38;
 --sage: #6A726C;
 --line: #D9D1C6;
 --focus: #8C3D2E;
 --warm: #F7F1E8;
 --radius: 4px;
 --shadow: 0 12px 16px rgba(26, 22, 20, 0.06);
 --ease: 200ms ease;
 --max: 1160px;
 --h1: 52px;
 --h2: 32px;
 --h3: 21px;
 --body: 16.5px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--paper);
 color: var(--ink);
 font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
 font-size: var(--body);
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
a { color: var(--ink); text-decoration: none; transition: color var(--ease), border-color var(--ease), background var(--ease); }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
 outline: 2px solid var(--focus);
 outline-offset: 3px;
}
button, input, textarea { font-family: inherit; }
h1, h2, h3, h4, h5, h6 {
 font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
 color: var(--ink);
 font-weight: 700;
 line-height: 1.2;
 margin: 0;
}
h1 { font-size: var(--h1); line-height: 1.15; }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.grid-container { max-width: var(--max); width: calc(100% - 40px); margin: 0 auto; padding: 0; }
.off-canvas-content { background: var(--paper); min-height: 100vh; }
.off-canvas { background: var(--card); color: var(--ink); padding: 28px 22px; }
.off-canvas .close-button { color: var(--ink); font-size: 28px; }
.site-header {
 position: sticky; top: 0; z-index: 40;
 background: rgba(243, 239, 232, 0.94);
 border-bottom: 1px solid var(--line);
 backdrop-filter: saturate(1.1);
}
.header-row { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 20px; }
.brand { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: 0.01em; color: var(--ink); line-height: 1.2; }
.brand-name:hover { color: var(--ink); }
.brand-sub { font-size: 13px; color: var(--sage); letter-spacing: 0.08em; }
.age {
 display: inline-flex; align-items: center; height: 20px; padding: 0 6px;
 border: 1px solid var(--accent); color: var(--accent); font-size: 12px;
 border-radius: var(--radius); font-weight: 700; letter-spacing: 0.04em; line-height: 1;
}
.desk-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
 position: relative; display: inline-flex; align-items: center; height: 44px; padding: 0 14px;
 font-size: 15px; color: var(--ink);
}
.nav-link::after {
 content: ""; position: absolute; left: 14px; right: 14px; bottom: 8px; height: 2px;
 background: transparent; transition: background var(--ease);
}
.nav-link:hover::after, .nav-link.is-current::after { background: var(--accent); }
.nav-link.is-current { color: var(--accent); }
.menu-btn {
 display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--card);
 border-radius: var(--radius); color: var(--ink); cursor: pointer; padding: 0;
}
.menu-btn span { display: block; width: 16px; height: 1px; background: var(--ink); margin: 4px auto; }
.menu-btn:hover { border-color: var(--accent); }
.drawer-title { font-weight: 700; margin: 18px 0; font-size: 18px; }
.drawer-link { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.drawer-link.is-current { color: var(--accent); }
.section { padding: 88px 0; }
.section-alt { background: var(--paper-2); }
.kicker {
 display: flex; align-items: center; gap: 10px;
 font-size: 13px; letter-spacing: 0.14em; color: var(--sage); margin-bottom: 12px;
}
.kicker span {
 font-variant-numeric: tabular-nums;
 font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 color: var(--accent);
}
.lead { margin-top: 14px; color: var(--muted); max-width: 40em; }
.page-head { padding: 56px 0 48px; }
.page-head h1 { max-width: 10em; }
.chip-row {
 display: flex; gap: 8px; margin-top: 22px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px;
}
.chip-row::-webkit-scrollbar { display: none; }
.chip {
 flex: 0 0 auto; display: inline-flex; align-items: center; height: 36px; padding: 0 16px;
 border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink);
 font-size: 14px; cursor: pointer; transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.is-on, .chip.is-on:hover { background: var(--ink); color: var(--warm); border-color: var(--ink); }
.block-head { max-width: 40em; margin-bottom: 28px; }
.block-head p { margin-top: 12px; color: var(--muted); }
.entry-list { border-top: 1px solid var(--line); }
.entry {
 display: grid; grid-template-columns: 92px minmax(0, 1fr) auto; gap: 22px; align-items: center;
 padding: 20px 0; border-bottom: 1px solid var(--line); background: transparent;
 transition: background var(--ease);
}
.entry:hover { background: rgba(251, 248, 244, 0.55); }
.entry-time {
 font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 font-variant-numeric: tabular-nums; font-size: 18px; font-weight: 700; color: var(--plum); letter-spacing: 0.02em;
}
.entry-title { font-size: 20px; font-weight: 700; line-height: 1.35; }
.entry-title a:hover { color: var(--accent); }
.entry-desc { margin-top: 6px; color: var(--muted); font-size: 15px; }
.entry-side { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.badge {
 display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border-radius: var(--radius);
 background: #E4E6E2; color: var(--ink); font-size: 12px; letter-spacing: 0.04em; white-space: nowrap;
}
.badge-plum { background: #E7D9DE; }
.more-row { display: flex; justify-content: flex-end; padding-top: 18px; }
.more-row a {
 display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px;
 border-bottom: 1px solid var(--accent); font-weight: 700;
}
.slice-main, .slice-side { display: flex; flex-direction: column; }
.slice {
 display: grid; grid-template-columns: 52px 1fr; gap: 12px; align-items: start;
 padding: 18px 0; border-bottom: 1px solid var(--line); color: var(--ink);
}
.slice:hover { color: var(--accent); }
.slice strong { display: block; font-size: 20px; font-weight: 700; line-height: 1.35; }
.slice em { display: block; margin-top: 4px; font-style: normal; color: var(--muted); font-size: 14px; }
.slice:hover em { color: var(--plum); }
.seq {
 font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 font-variant-numeric: tabular-nums; color: var(--sage); font-size: 13px; padding-top: 4px;
}
.slice-lead {
 padding: 8px 8px 22px 0; border-bottom: 1px solid var(--line);
}
.slice-lead strong { font-size: 28px; display: block; line-height: 1.25; }
.slice-lead span { display: block; margin-top: 10px; color: var(--muted); }
.spec {
 height: 100%; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
 padding: 22px 20px 24px; box-shadow: var(--shadow);
 transition: transform var(--ease), border-color var(--ease);
}
.spec:hover { transform: translateY(-2px); border-color: var(--accent); }
.spec .seq { display: block; margin-bottom: 10px; }
.spec h3 { font-size: 20px; }
.spec p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.note-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.note-item { display: grid; grid-template-columns: 52px 1fr; gap: 12px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.note-item a { font-weight: 700; font-size: 18px; }
.note-item p { color: var(--muted); font-size: 15px; margin-top: 6px; }
.band-ink { background: var(--ink); color: var(--warm); padding: 40px 0; }
.band-ink h2, .band-ink .kicker { color: var(--warm); }
.band-ink .kicker span { color: #E7B2A4; }
.band-row { display: flex; justify-content: space-between; gap: 28px; align-items: center; }
.band-ink p { color: #D9D1C6; margin-top: 10px; max-width: 42em; }
.backtop {
 flex: 0 0 auto; color: #FBF8F4; border-bottom: 1px solid var(--accent);
 min-height: 44px; display: inline-flex; align-items: center; font-size: 14px;
}
.backtop:hover { color: #fff; }
.qa { border-bottom: 1px solid var(--line); }
.qa summary {
 list-style: none; cursor: pointer; min-height: 56px; display: flex; align-items: center; justify-content: space-between;
 gap: 16px; font-weight: 700; font-size: 17px;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; font-family: ui-monospace, Menlo, Consolas, monospace; color: var(--accent); font-size: 20px; }
.qa[open] summary::after { content: "–"; }
.qa p { color: var(--muted); padding: 0 0 18px; max-width: 44em; }
.end-cta h2 { max-width: 8em; }
.end-cta .lead { margin-top: 12px; }
.cta-side { display: flex; align-items: center; }
.cta-side .btn { min-width: 180px; }
.btn, .btn-line {
 display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px;
 border-radius: var(--radius); border: 1px solid transparent; cursor: pointer; font-size: 15px; font-weight: 600;
 transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
}
.btn { background: var(--accent); color: #FBF8F4; }
.btn:hover, .btn:focus-visible { background: var(--ink); color: var(--warm); }
.btn:active, .btn-line:active { transform: translateY(1px); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-line:hover, .btn-line:focus-visible { background: var(--ink); color: var(--warm); }
.site-footer { background: var(--ink); color: #E7E1D8; padding: 56px 0 28px; }
.site-footer a { color: #E7E1D8; }
.site-footer a:hover { color: #fff; }
.foot-col { margin-bottom: 22px; }
.foot-brand { font-size: 18px; font-weight: 700; color: #FBF8F4; }
.site-footer h3 { color: #FBF8F4; font-size: 15px; margin-bottom: 10px; }
.site-footer p, .site-footer li { color: #C9C1B6; font-size: 14px; line-height: 1.7; }
.site-footer li + li { margin-top: 6px; }
.site-footer .age { color: #F3C2B6; border-color: #C2543A; }
.copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(217, 209, 198, 0.25); font-size: 13px; color: #A39A90; }
@media (max-width: 1023px) {
 :root { --h1: 40px; --h2: 28px; }
 .desk-nav { display: none; }
 .menu-btn { display: inline-block; }
 .section { padding: 64px 0; }
 .brand-sub { display: none; }
}
@media (max-width: 639px) {
 :root { --h1: 34px; --h2: 26px; --body: 16px; }
 .grid-container { width: calc(100% - 32px); }
 .section, .page-head { padding: 48px 0; }
 .entry { grid-template-columns: 1fr; gap: 8px; align-items: start; }
 .entry-side { justify-content: flex-start; }
 .note-item { grid-template-columns: 36px 1fr; }
 .band-row { flex-direction: column; align-items: flex-start; }
 .cta-side { margin-top: 18px; }
 .header-row { min-height: 64px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition: none !important; }
 .spec:hover { transform: none; }
}

/* roulang page: category2 */
:root {
 --paper: #F3EFE8;
 --paper-2: #E7E1D8;
 --card: #FBF8F4;
 --ink: #1A1614;
 --muted: #5C534C;
 --accent: #C2543A;
 --plum: #4A2C38;
 --sage: #6A726C;
 --line: #D9D1C6;
 --focus: #8C3D2E;
 --warm: #F7F1E8;
 --radius: 4px;
 --shadow: 0 12px 16px rgba(26, 22, 20, 0.06);
 --ease: 200ms ease;
 --max: 1160px;
 --h1: 52px;
 --h2: 32px;
 --h3: 21px;
 --body: 16.5px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--paper);
 color: var(--ink);
 font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
 font-size: var(--body);
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
a { color: var(--ink); text-decoration: none; transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease); }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
 outline: 2px solid var(--focus);
 outline-offset: 3px;
}
button, input, textarea { font-family: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 {
 font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
 color: var(--ink);
 font-weight: 700;
 letter-spacing: 0;
 margin: 0;
}
h1 { font-size: var(--h1); line-height: 1.15; }
h2 { font-size: var(--h2); line-height: 1.25; }
h3 { font-size: var(--h3); line-height: 1.4; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.grid-container { max-width: var(--max); width: calc(100% - 40px); margin: 0 auto; padding: 0; }
.site-header {
 position: sticky; top: 0; z-index: 40;
 background: rgba(243, 239, 232, 0.94);
 border-bottom: 1px solid var(--line);
}
.header-row { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 20px; }
.brand { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: 0.01em; color: var(--ink); line-height: 1.2; }
.brand-name:hover { color: var(--ink); }
.brand-sub { font-size: 13px; color: var(--sage); letter-spacing: 0.08em; }
.age {
 display: inline-flex; align-items: center; height: 20px; padding: 0 6px;
 border: 1px solid var(--accent); color: var(--accent); border-radius: var(--radius);
 font-size: 12px; font-weight: 700; letter-spacing: 0.04em; line-height: 1;
}
.desk-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
 position: relative; display: inline-flex; align-items: center; height: 44px; padding: 0 14px;
 font-size: 15px; color: var(--ink);
}
.nav-link::after {
 content: ""; position: absolute; left: 14px; right: 14px; bottom: 8px; height: 2px;
 background: transparent; transition: background var(--ease);
}
.nav-link:hover::after, .nav-link.is-current::after { background: var(--accent); }
.nav-link.is-current { color: var(--accent); }
.nav-link:active { color: var(--plum); }
.menu-btn {
 display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--card);
 border-radius: var(--radius); cursor: pointer; padding: 0;
}
.menu-btn span { display: block; width: 16px; height: 1px; background: var(--ink); margin: 4px auto; }
.menu-btn:hover { border-color: var(--accent); }
.menu-btn:active { transform: translateY(1px); }
.off-canvas { background: var(--paper); color: var(--ink); padding: 28px 22px; }
.drawer-title { font-weight: 700; margin: 28px 0 18px; font-size: 18px; }
.drawer-link { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.drawer-link.is-current { color: var(--accent); }
.drawer-link:active { color: var(--plum); }
.close-button { color: var(--ink); }
.section { padding: 88px 0; }
.section-alt { background: var(--paper-2); }
.section-card { background: var(--paper); }
.kicker { color: var(--sage); font-size: 13px; letter-spacing: 0.08em; margin-bottom: 12px; }
.lead { margin-top: 16px; color: var(--muted); max-width: 40em; }
.sec-head { display: flex; gap: 14px; align-items: baseline; margin-bottom: 28px; }
.sec-no {
 font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 color: var(--sage); font-size: 13px; letter-spacing: 0.08em; font-variant-numeric: tabular-nums;
}
.mono, .count-num, .tl-date, .dur {
 font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 font-variant-numeric: tabular-nums;
}
.count-panel {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px 20px 18px;
}
.count-num { font-size: 56px; line-height: 0.95; font-weight: 700; color: var(--ink); }
.count-label { margin-top: 8px; font-size: 15px; font-weight: 700; }
.count-sub { margin-top: 6px; color: var(--muted); font-size: 13px; }
.entry-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 overflow: hidden;
 height: 100%;
 transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.entry-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.entry-wide { margin-bottom: 8px; }
.wide-layout { display: grid; grid-template-columns: 1.15fr 0.85fr; min-height: 280px; }
.still { background: var(--paper-2); }
.still img { width: 100%; height: 188px; object-fit: cover; }
.entry-wide .still img { height: 100%; min-height: 280px; }
.entry-body { padding: 18px 18px 20px; display: flex; flex-direction: column; }
.entry-body h3 { font-size: 22px; }
.entry-wide .entry-body h3 { font-size: 28px; line-height: 1.3; }
.entry-text { color: var(--muted); margin-top: 10px; font-size: 15px; }
.meta-line { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; align-items: center; }
.dur { color: var(--plum); font-size: 13px; letter-spacing: 0.04em; }
.badge {
 display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border-radius: var(--radius);
 background: #E4E6E2; color: var(--ink); font-size: 12px; letter-spacing: 0.04em;
}
.badge-plum { background: #E7D9DE; }
.badge-sage { background: #E3E4DF; color: var(--ink); }
.text-link { margin-top: auto; padding-top: 16px; font-weight: 700; font-size: 15px; }
.text-link:hover { color: var(--accent); }
.text-link:active { color: var(--plum); }
.more-row { margin-top: 22px; display: flex; justify-content: flex-start; }
.btn, .btn-line {
 display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px;
 border-radius: var(--radius); border: 1px solid transparent; cursor: pointer; font-size: 15px; font-weight: 700;
 transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
}
.btn { background: var(--accent); color: #FBF8F4; }
.btn:hover, .btn:focus-visible { background: var(--ink); color: var(--warm); }
.btn:active, .btn-line:active { transform: translateY(1px); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-line:hover, .btn-line:focus-visible { background: var(--ink); color: var(--warm); }
.style-item { padding: 8px 8px 4px 0; border-top: 1px solid var(--ink); }
.style-item h3 { font-size: 20px; margin: 12px 0 8px; }
.style-item p { color: var(--muted); font-size: 14px; min-height: 3.2em; }
.style-links { margin-top: 12px; }
.style-links a { display: block; padding: 7px 0; border-top: 1px solid var(--line); font-size: 15px; }
.style-links a:hover { color: var(--accent); }
.style-links a:active { color: var(--plum); }
.timeline { margin-left: 6px; border-left: 1px solid var(--line); }
.tl-item { position: relative; padding: 0 0 26px 24px; }
.tl-item::before {
 content: ""; position: absolute; left: -5px; top: 8px; width: 9px; height: 9px;
 border-radius: 50%; background: var(--paper); border: 1px solid var(--accent);
}
.tl-date { color: var(--sage); font-size: 13px; }
.tl-item a { display: inline-block; margin-top: 4px; font-weight: 700; font-size: 18px; }
.tl-item p { color: var(--muted); font-size: 14px; margin-top: 4px; }
.quote-block {
 font-size: 26px; line-height: 1.55; color: var(--plum); font-weight: 700;
 border-left: 2px solid var(--accent); padding: 4px 0 4px 18px;
}
.quote-from { margin-top: 16px; color: var(--sage); font-size: 13px; letter-spacing: 0.06em; }
.point-list { display: flex; flex-direction: column; gap: 16px; }
.point {
 background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
 padding: 16px 16px 14px; box-shadow: var(--shadow);
}
.point strong { display: block; margin-bottom: 6px; }
.point p { color: var(--muted); font-size: 14px; }
.point a { font-weight: 700; }
.related-link {
 display: flex; justify-content: space-between; gap: 18px; align-items: baseline;
 padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--ink);
}
.related-link:hover { color: var(--accent); }
.related-link:active { color: var(--plum); }
.related-link span { color: var(--sage); font-size: 13px; white-space: nowrap; }
.rhythm-dl {
 display: grid; grid-template-columns: 112px 1fr; gap: 14px 18px;
 border-top: 1px solid var(--line); padding-top: 8px;
}
.rhythm-dl dt {
 color: var(--sage); font-size: 13px; letter-spacing: 0.06em; padding-top: 12px;
 border-top: 1px solid var(--line);
}
.rhythm-dl dd {
 margin: 0; padding-top: 12px; border-top: 1px solid var(--line); color: var(--ink);
}
.back-row {
 display: flex; justify-content: space-between; align-items: flex-end; gap: 24px;
}
.back-row p { color: var(--muted); margin-top: 12px; max-width: 36em; }
.site-footer { background: var(--ink); color: #F3EFE8; padding: 64px 0 28px; }
.site-footer a { color: #F3EFE8; }
.site-footer a:hover { color: #E7C4B8; }
.site-footer a:active { color: #C2543A; }
.foot-brand { font-size: 18px; font-weight: 700; margin: 0; color: #FBF8F4; }
.foot-col h3 { font-size: 15px; margin: 0 0 12px; color: #FBF8F4; }
.foot-col p, .foot-col li { color: #D9D1C6; font-size: 14px; line-height: 1.7; }
.foot-col ul { margin: 0; padding: 0; }
.foot-col li { margin: 8px 0; }
.foot-col .age { color: #F3EFE8; border-color: #C2543A; }
.copy {
 margin-top: 28px; padding-top: 16px;
 border-top: 1px solid rgba(217, 209, 198, 0.25);
 color: #D9D1C6; font-size: 13px;
}
@media (max-width: 1023px) {
 :root { --h1: 40px; --h2: 28px; }
 .desk-nav { display: none; }
 .menu-btn { display: inline-block; }
 .section { padding: 64px 0; }
 .wide-layout { grid-template-columns: 1fr; }
 .entry-wide .still img { height: 220px; min-height: 0; }
 .quote-block { font-size: 22px; }
}
@media (max-width: 639px) {
 :root { --h1: 34px; --h2: 26px; --body: 16px; }
 .grid-container { width: calc(100% - 32px); }
 .section { padding: 48px 0; }
 .brand-sub { display: none; }
 .header-row { min-height: 64px; }
 .count-num { font-size: 44px; }
 .count-panel { margin-top: 22px; }
 .back-row { display: block; }
 .back-row .btn { margin-top: 18px; }
 .related-link { flex-direction: column; gap: 4px; }
 .rhythm-dl { grid-template-columns: 1fr; gap: 0; }
 .rhythm-dl dd { padding-top: 0; border-top: 0; margin-bottom: 12px; }
 .entry-wide .entry-body h3 { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after {
 animation: none !important;
 transition: none !important;
 }
 .entry-card:hover { transform: none; }
}