/* roulang page: index */
:root {
  --paper: #F3EEE6;
  --card: #FBF8F3;
  --ink: #2C2622;
  --muted: #5E564F;
  --celadon: #3E6B60;
  --celadon-deep: #31574e;
  --persimmon: #D46A3A;
  --persimmon-deep: #c45e30;
  --clay: #E4D5C8;
  --ochre: #8C6239;
  --line: rgba(44, 38, 34, .08);
  --shadow: 0 8px 24px rgba(44, 38, 34, .06);
  --radius: 16px;
  --pill: 999px;
  --input: 12px;
  --serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --nav-ease: 280ms ease;
}
*, *::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: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.25; letter-spacing: -0.02em; font-weight: 650; }
ul { margin: 0; padding: 0; list-style: none; }
.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 96px 0; }
.section.is-paper { background: var(--paper); }
.section.is-clay { background: #efe6dc; }
.lede { margin-top: 14px; max-width: 68ch; color: var(--muted); font-size: 16px; }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--celadon); font-size: 13px; letter-spacing: .08em; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(243, 238, 230, .92);
  border-bottom: 1px solid transparent;
  transition: height var(--nav-ease), border-color var(--nav-ease), background-color var(--nav-ease);
  overflow: hidden;
}
.nav-stack { height: 100%; display: flex; flex-direction: column; }
.brand-row, .channels {
  display: flex; align-items: center; justify-content: space-between;
  width: min(1120px, calc(100% - 40px)); margin-inline: auto;
}
.brand-row { height: 68px; gap: 20px; }
.channels { height: 44px; gap: 8px; border-top: 1px solid var(--line); justify-content: flex-start; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo-mark {
  width: 36px; height: 36px; flex: none; border-radius: 10px;
  border: 1px solid var(--line); background:
    repeating-linear-gradient(180deg, #E4D5C8 0 4px, #FBF8F3 4px 8px);
  display: grid; place-items: center; color: var(--persimmon); font-family: var(--serif); font-size: 12px;
}
.logo-text { display: flex; flex-direction: column; min-width: 0; }
.logo-name { font-family: var(--serif); font-size: 18px; line-height: 1.25; white-space: nowrap; }
.logo-sub { font-size: 12px; color: var(--muted); line-height: 1.3; }
.tools { display: flex; align-items: center; gap: 10px; }
.search {
  display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--input); min-width: 220px;
}
.search input {
  border: 0; outline: none; background: transparent; width: 100%; font-size: 14px;
}
.search input:focus { outline: none; }
.badge-18 {
  height: 32px; padding: 0 10px; border-radius: var(--pill);
  background: var(--ink); color: var(--paper); font-size: 12px; display: inline-flex; align-items: center;
}
.top-link { font-size: 13px; color: var(--celadon); }
.channel-link {
  position: relative; padding: 8px 12px; font-size: 14px; color: var(--muted);
  background: transparent; border-radius: 0;
}
.channel-link:hover { color: var(--ink); }
.channel-link.is-active { color: var(--celadon); box-shadow: inset 0 -2px 0 var(--celadon); }
.burger {
  display: none; width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card); padding: 0; cursor: pointer;
}
.burger span { display: block; width: 18px; height: 1.5px; margin: 4px auto; background: var(--ink); transition: transform 200ms ease, opacity 200ms ease; }
.burger.is-open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.drawer { display: none; background: var(--paper); border-top: 1px solid var(--clay); }
.drawer.is-open { display: block; }
.drawer a, .drawer .search { display: flex; margin: 8px 20px; }
.drawer .search { margin-top: 12px; }
.drawer a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
@media (min-width: 1024px) {
  .site-header { height: 112px; }
  .site-header.is-compact { height: 64px; border-bottom-color: var(--clay); }
  .site-header.is-compact .nav-stack { flex-direction: row; align-items: center; width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
  .site-header.is-compact .brand-row,
  .site-header.is-compact .channels { width: auto; margin: 0; border: 0; height: 64px; }
  .site-header.is-compact .channels { margin-left: 18px; flex: 1; }
  .site-header.is-compact .logo-name { font-size: 15px; }
  .site-header.is-compact .logo-sub, .site-header.is-compact .search { display: none; }
  .site-header.is-compact .logo-mark { width: 28px; height: 28px; }
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px;
  border-radius: var(--pill); border: 1px solid transparent; cursor: pointer; font-size: 15px;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--celadon); outline-offset: 2px;
}
.btn-primary { background: var(--persimmon); color: var(--paper); }
.btn-primary:hover { background: var(--persimmon-deep); transform: translateY(-1px); }
.btn-primary:active { transform: none; background: #b8562c; }
.btn-ghost { background: transparent; color: var(--celadon); border-color: var(--celadon); }
.btn-ghost:hover { background: rgba(62, 107, 96, .06); transform: translateY(-1px); }
.btn-ghost:active { transform: none; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: stretch; }
h1 { font-size: clamp(34px, 4vw, 52px); max-width: 14em; }
.subline { margin-top: 12px; font-size: 16px; color: var(--ink); }
.hero-copy { margin-top: 14px; color: var(--muted); font-size: 16px; }
.sell { margin-top: 18px; display: grid; gap: 8px; }
.sell li { display: flex; gap: 8px; font-size: 14px; color: var(--ink); }
.sell i { width: 8px; height: 8px; margin-top: 8px; border-radius: 50%; background: var(--celadon); flex: none; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.trust span, .pill, .badge, .check {
  display: inline-flex; align-items: center; min-height: 30px; padding: 0 12px;
  border-radius: var(--pill); border: 1px solid var(--line); background: var(--card); font-size: 13px; color: var(--muted);
}
.metric-board {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.metric { padding: 16px; border-radius: 14px; background: var(--paper); border: 1px solid var(--line); min-height: 124px; }
.metric b { display: block; font-family: var(--serif); font-size: 36px; line-height: 1.1; color: var(--persimmon); font-weight: 650; }
.metric span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; }
.status-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.pill strong { color: var(--ink); font-weight: 600; margin-right: 6px; }
.pill.ok { color: var(--celadon-deep); border-color: rgba(62, 107, 96, .35); }
.pill.wait { color: var(--ochre); border-color: rgba(140, 98, 57, .35); }
.zone-grid { display: grid; grid-template-columns: 1.35fr .85fr; gap: 18px; margin-top: 26px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px;
  transition: border-color 160ms ease;
}
.card:hover { border-color: var(--celadon); }
.card h3 { font-size: 26px; }
.card p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.text-link { display: inline-flex; margin-top: 16px; color: var(--celadon); font-size: 15px; border-bottom: 1px solid transparent; }
.text-link:hover { border-bottom-color: var(--celadon); color: var(--celadon-deep); }
.frame {
  border-radius: 12px; border: 1px solid var(--line); aspect-ratio: 16/7; margin-bottom: 16px;
  display: flex; align-items: flex-end; padding: 12px; color: var(--ink); font-family: var(--serif);
  background:
    linear-gradient(90deg, transparent 49%, rgba(44,38,34,.08) 50%, transparent 51%),
    repeating-linear-gradient(180deg, #E4D5C8 0 10px, #FBF8F3 10px 20px);
}
.zone-grid .card:last-child .frame { aspect-ratio: 16/10; }
.matrix { display: grid; grid-template-columns: 1.45fr .8fr; gap: 18px; margin-top: 26px; }
.matrix-side { display: grid; gap: 18px; }
.matrix-main { min-height: 100%; }
.path-list { margin-top: 16px; display: grid; gap: 10px; }
.path-list li { padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: 15px; }
.scene-list { margin-top: 22px; display: grid; gap: 12px; }
.scene {
  display: grid; grid-template-columns: 160px 1fr auto; gap: 18px; align-items: center;
  padding: 18px 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.scene:nth-child(1) { min-height: 132px; }
.scene:nth-child(2) { min-height: 108px; }
.scene:nth-child(3) { min-height: 148px; }
.scene:hover { border-color: var(--celadon); }
.scene h3 { font-size: 22px; }
.scene p { color: var(--muted); font-size: 14px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
.compare-col { background: var(--card); border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); padding: 22px; }
.compare-good { border-color: rgba(62, 107, 96, .45); }
.compare-bad { border-color: rgba(140, 98, 57, .4); }
.compare dl { margin: 16px 0 0; }
.compare dl > div { display: grid; grid-template-columns: 72px 1fr; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line); }
.compare dt { color: var(--muted); font-size: 14px; }
.compare dd { margin: 0; font-size: 15px; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 28px; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 18px; right: 18px; top: 22px; height: 1px; background: var(--clay);
}
.node { position: relative; padding-top: 8px; }
.node .dot {
  width: 12px; height: 12px; border-radius: 50%; background: var(--persimmon); position: relative; z-index: 1;
  box-shadow: 0 0 0 6px var(--paper);
}
.section.is-paper .node .dot { box-shadow: 0 0 0 6px var(--paper); }
.node h3 { margin-top: 18px; font-size: 20px; }
.node p { margin-top: 8px; color: var(--muted); font-size: 14px; }
.news-list { margin-top: 22px; display: grid; gap: 10px; }
.news-item, .pick-row {
  display: grid; grid-template-columns: 92px 1fr; gap: 16px; align-items: start;
  padding: 16px 18px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
}
.news-item:hover, .pick-row:hover { border-color: var(--celadon); }
.news-item time, .num { font-family: var(--serif); color: var(--persimmon); font-size: 18px; }
.news-item h3, .pick-row h3 { font-size: 18px; }
.news-item p, .pick-row p { margin-top: 4px; color: var(--muted); font-size: 14px; }
.checks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.check { min-height: 64px; justify-content: flex-start; gap: 8px; padding: 12px 14px; color: var(--ink); background: var(--card); }
.check em { font-style: normal; color: var(--celadon); }
.qa { margin-top: 18px; display: grid; gap: 10px; }
.qa article { display: grid; grid-template-columns: 180px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.qa h3 { font-size: 16px; }
.qa p { color: var(--muted); font-size: 15px; }
.faq { margin-top: 18px; display: grid; gap: 10px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-item:hover { border-color: var(--celadon); }
.faq-item button {
  width: 100%; text-align: left; background: transparent; border: 0; padding: 16px 18px;
  font-family: var(--serif); font-size: 18px; cursor: pointer; display: flex; justify-content: space-between; gap: 12px;
}
.faq-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 200ms ease; }
.faq-item.is-open .faq-panel { grid-template-rows: 1fr; }
.faq-panel > div { overflow: hidden; }
.faq-panel p { padding: 0 18px 16px; color: var(--muted); font-size: 15px; }
.mark { color: var(--celadon); font-size: 13px; }
.form-grid { margin-top: 22px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; }
.slip, .aside-note { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.field.full { grid-column: 1 / -1; }
.field input, .field select, .field textarea {
  min-height: 44px; border-radius: var(--input); border: 1px solid var(--line); background: var(--paper); padding: 8px 12px; font-size: 15px;
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--celadon); box-shadow: 0 0 0 2px rgba(62,107,96,.2); outline: none; }
.field.is-error input, .field.is-error textarea { border-color: var(--ochre); box-shadow: 0 0 0 2px rgba(140,98,57,.18); }
.form-msg { min-height: 1.5em; margin-top: 10px; font-size: 14px; color: var(--celadon-deep); }
.contrast { margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contrast article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.contrast dl > div { padding: 10px 0; border-top: 1px solid var(--line); }
.contrast dt { font-size: 13px; color: var(--muted); }
.contrast dd { margin: 4px 0 0; }
.pick-row { grid-template-columns: 64px 1fr auto auto; align-items: center; margin-top: 10px; }
.more-wrap { margin-top: 16px; }
.empty-note { display: none; margin-top: 12px; color: var(--ochre); font-size: 14px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 24px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; min-height: 180px; }
.step:hover { border-color: var(--celadon); }
.step b { font-family: var(--serif); color: var(--persimmon); font-size: 22px; }
.step h3 { margin-top: 10px; font-size: 20px; }
.step p { margin-top: 8px; color: var(--muted); font-size: 14px; }
.site-footer { background: #2C2622; color: var(--paper); padding: 56px 0 24px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr; gap: 28px; }
.site-footer h2 { font-size: 22px; color: var(--paper); }
.site-footer p, .site-footer a { color: rgba(243,238,230,.82); font-size: 14px; }
.site-footer a { display: block; padding: 4px 0; }
.site-footer a:hover { color: var(--persimmon); }
.legal { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(243,238,230,.16); display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: rgba(243,238,230,.72); }
@media (max-width: 1023px) {
  .section { padding: 64px 0; }
  .hero-grid, .zone-grid, .matrix, .compare, .form-grid, .contrast, .foot-grid, .checks { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .timeline::before { left: 5px; right: auto; top: 8px; bottom: 8px; width: 1px; height: auto; }
  .node { padding-left: 24px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .channels, .tools { display: none; }
  .burger { display: inline-block; }
  .brand-row { width: min(1120px, calc(100% - 32px)); }
  .site-header { height: auto; overflow: visible; }
  .scene { grid-template-columns: 1fr; gap: 6px; }
  .qa article { grid-template-columns: 1fr; gap: 4px; }
  .pick-row { grid-template-columns: 48px 1fr; }
  .pick-row .badge { justify-self: start; }
}
@media (max-width: 767px) {
  body { font-size: 16px; }
  .wrap, .brand-row { width: min(1120px, calc(100% - 28px)); }
  .fields, .steps, .metric-board { grid-template-columns: 1fr; }
  .logo-name { font-size: 15px; white-space: normal; }
  h1 { font-size: 32px; }
  .legal { flex-direction: column; }
}
@media (max-width: 520px) {
  .section { padding: 48px 0; }
  .cta-row .btn { width: 100%; }
  .card, .slip, .compare-col { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .btn-primary:hover, .btn-ghost:hover { transform: none; }
}

/* roulang page: category1 */
:root {
  --paper: #F3EEE6;
  --card: #FBF8F3;
  --ink: #2C2622;
  --muted: #5E564F;
  --celadon: #3E6B60;
  --celadon-deep: #31574e;
  --persimmon: #D46A3A;
  --persimmon-deep: #c45e30;
  --clay: #E4D5C8;
  --ochre: #8C6239;
  --line: rgba(44, 38, 34, .08);
  --shadow: 0 8px 24px rgba(44, 38, 34, .06);
  --radius: 16px;
  --pill: 999px;
  --input: 12px;
  --serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --nav-ease: 280ms ease;
}
*, *::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: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.section { padding: 96px 0; }
.section.is-paper { background: var(--paper); }
.section.is-clay { background: #efe6dc; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: 112px;
  background: rgba(243, 238, 230, .92);
  border-bottom: 1px solid transparent;
  transition: height var(--nav-ease), border-color var(--nav-ease), background-color var(--nav-ease);
}
.nav-stack { height: 100%; display: flex; flex-direction: column; }
.brand-row, .channels {
  display: flex; align-items: center; justify-content: space-between;
  width: min(1120px, calc(100% - 40px)); margin-inline: auto;
}
.brand-row { height: 68px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo-mark {
  width: 36px; height: 36px; flex: none; border-radius: 10px;
  border: 1px solid var(--line);
  background: repeating-linear-gradient(180deg, #E4D5C8 0 4px, #FBF8F3 4px 8px);
  display: grid; place-items: center;
  color: var(--persimmon); font-family: var(--serif); font-size: 12px;
}
.logo-text { display: flex; flex-direction: column; min-width: 0; }
.logo-name { font-family: var(--serif); font-size: 18px; line-height: 1.25; white-space: nowrap; }
.logo-sub { font-size: 12px; color: var(--muted); line-height: 1.3; }
.brand-tools { display: flex; align-items: center; gap: 10px; }
.search {
  display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--input); min-width: 220px;
}
.search:focus-within { border-color: var(--celadon); box-shadow: 0 0 0 2px rgba(62,107,96,.2); }
.search input { border: 0; outline: none; background: transparent; width: 100%; font-size: 14px; }
.badge-18, .top-link {
  height: 32px; padding: 0 10px; border-radius: var(--pill);
  font-size: 12px; display: inline-flex; align-items: center;
}
.badge-18 { background: var(--ink); color: var(--paper); }
.top-link { border: 1px solid var(--line); background: var(--card); color: var(--muted); }
.top-link:hover { color: var(--celadon-deep); border-color: var(--celadon); }
.channels { height: 44px; gap: 4px; justify-content: flex-start; }
.channel-link {
  display: inline-flex; align-items: center; height: 44px; padding: 0 12px;
  font-size: 14px; color: var(--muted);
}
.channel-link:hover { color: var(--ink); }
.channel-link.is-active, .channel-link[aria-current="page"] {
  color: var(--celadon-deep);
  box-shadow: inset 0 -2px 0 var(--celadon);
}
.menu-btn {
  display: none; width: 44px; height: 40px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card); cursor: pointer;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.menu-btn span { display: block; width: 16px; height: 1.5px; background: var(--ink); }
.menu-btn[aria-expanded="true"] { border-color: var(--celadon); }
.drawer { display: none; background: var(--paper); border-top: 1px solid var(--clay); }
.drawer.is-open { display: block; }
.drawer a, .drawer .search { display: flex; margin: 8px 20px; }
.drawer .search { margin-top: 12px; min-width: 0; }
.drawer a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
.site-header.is-compact { height: 64px; border-bottom-color: var(--clay); }
.site-header.is-compact .nav-stack {
  flex-direction: row; align-items: center;
  width: min(1120px, calc(100% - 40px)); margin-inline: auto;
}
.site-header.is-compact .brand-row,
.site-header.is-compact .channels { width: auto; margin: 0; border: 0; height: 64px; }
.site-header.is-compact .channels { margin-left: 18px; flex: 1; }
.site-header.is-compact .logo-name { font-size: 15px; }
.site-header.is-compact .logo-sub,
.site-header.is-compact .brand-tools { display: none; }
.site-header.is-compact .logo-mark { width: 28px; height: 28px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px;
  border-radius: var(--pill); border: 1px solid transparent; cursor: pointer; font-size: 15px;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--celadon); outline-offset: 2px;
}
.btn-primary { background: var(--persimmon); color: var(--paper); }
.btn-primary:hover { background: var(--persimmon-deep); transform: translateY(-1px); }
.btn-primary:active { transform: none; background: #b8562c; }
.btn-ghost { background: transparent; color: var(--celadon); border-color: var(--celadon); }
.btn-ghost:hover { background: rgba(62, 107, 96, .06); transform: translateY(-1px); }
.btn-ghost:active { transform: none; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px; transition: border-color 160ms ease;
}
.card:hover { border-color: var(--celadon); }
.badge, .pill, .chip {
  display: inline-flex; align-items: center; min-height: 30px; padding: 0 12px;
  border-radius: var(--pill); border: 1px solid var(--line); background: var(--card);
  font-size: 13px; color: var(--muted);
}
.pill strong { color: var(--ink); font-weight: 600; margin-right: 6px; }
.pill.ok { color: var(--celadon-deep); border-color: rgba(62, 107, 96, .35); }
.pill.wait { color: var(--ochre); border-color: rgba(140, 98, 57, .35); }
.head-grid { display: grid; grid-template-columns: 1.35fr .75fr; gap: 32px; align-items: end; }
.kicker { font-size: 13px; letter-spacing: .08em; color: var(--celadon-deep); margin-bottom: 12px; }
.lede { margin-top: 14px; color: var(--muted); font-size: 16px; max-width: 40em; }
.head-side { display: grid; gap: 10px; justify-items: start; }
.head-side .pill { min-height: 36px; }
.sec-label { font-size: 13px; color: var(--muted); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 18px 28px; }
.filter-group { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filter-name { font-size: 13px; color: var(--ink); margin-right: 4px; }
.chip { cursor: pointer; background: transparent; }
.chip:hover { border-color: var(--celadon); color: var(--ink); }
.chip.is-on, .chip[aria-pressed="true"] {
  border-color: var(--celadon); color: var(--celadon-deep); background: rgba(62,107,96,.06);
}
.entry-list, .extend-list { display: grid; gap: 14px; }
.extend-list { margin-top: 18px; }
.entry-card {
  display: grid; grid-template-columns: 92px 1fr; gap: 18px; align-items: stretch;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px; transition: border-color 160ms ease;
}
.entry-card:hover { border-color: var(--celadon); }
.entry-no {
  font-family: var(--serif); font-size: 28px; color: var(--persimmon);
  display: grid; place-items: center; border-radius: 12px; border: 1px solid var(--line);
  background: repeating-linear-gradient(135deg, rgba(228,213,200,.7) 0 2px, transparent 2px 8px);
}
.entry-top { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.entry-top h2 { font-size: 24px; margin-right: 6px; }
.entry-body p { margin-top: 8px; color: var(--muted); font-size: 15px; }
.entry-meta { font-size: 13px; color: var(--ochre); }
.point-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.point-grid ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.point-grid li {
  padding-left: 16px; position: relative; color: var(--muted); font-size: 15px;
  border-bottom: 1px solid var(--line); padding-bottom: 10px;
}
.point-grid li::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--persimmon); position: absolute; left: 0; top: .7em;
}
.note-rail {
  display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: 8px; margin-top: 18px;
}
.note-card { min-width: min(280px, 80vw); scroll-snap-align: start; }
.note-card h3 { font-size: 20px; }
.note-card p { margin-top: 8px; color: var(--muted); font-size: 14px; }
.frame {
  aspect-ratio: 16/9; border-radius: 12px; margin-bottom: 12px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(44,38,34,.04), transparent 40%),
    repeating-linear-gradient(90deg, #E4D5C8 0 8px, #FBF8F3 8px 16px);
  display: grid; place-items: center;
  font-family: var(--serif); color: var(--persimmon); font-size: 20px;
}
.more-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.week-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.week-col h2 { font-size: 22px; margin-bottom: 8px; }
.week-col ol { margin: 12px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.week-col li { display: grid; grid-template-columns: 72px 1fr; gap: 8px; font-size: 15px; }
.week-col time { color: var(--persimmon); font-size: 13px; }
.anchor-row { display: flex; flex-wrap: wrap; gap: 12px 22px; }
.anchor-row a {
  color: var(--celadon-deep); border-bottom: 1px solid transparent; font-size: 16px;
}
.anchor-row a:hover { border-bottom-color: var(--celadon); }
.site-footer { background: #2C2622; color: #F3EEE6; padding: 56px 0 24px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.site-footer h2 { font-size: 18px; margin-bottom: 12px; color: #FBF8F3; }
.site-footer p { color: rgba(243,238,230,.78); font-size: 14px; }
.site-footer a { display: block; color: rgba(243,238,230,.82); font-size: 14px; padding: 4px 0; }
.site-footer a:hover { color: var(--persimmon); }
.legal {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(243,238,230,.12);
  font-size: 13px; color: rgba(243,238,230,.7);
}
@media (max-width: 1023px) {
  .section { padding: 64px 0; }
  .site-header, .site-header.is-compact { height: 64px; }
  .brand-row { height: 64px; }
  .channels, .brand-tools { display: none; }
  .menu-btn { display: inline-flex; }
  .site-header.is-compact .nav-stack { width: auto; display: block; }
  .site-header.is-compact .brand-row { width: min(1120px, calc(100% - 40px)); height: 64px; }
  .head-grid, .point-grid, .week-grid, .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 48px 0; }
  .logo-name { font-size: 15px; }
  .logo-sub { display: none; }
  .entry-card { grid-template-columns: 64px 1fr; padding: 12px; }
  .entry-no { font-size: 20px; }
  .entry-top h2 { font-size: 20px; }
  .more-row { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  .wrap { width: min(1120px, calc(100% - 28px)); }
  .entry-card { grid-template-columns: 1fr; }
  .entry-no { height: 46px; }
  .week-col li { grid-template-columns: 1fr; gap: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category2 */
:root {
  --paper: #F3EEE6;
  --card: #FBF8F3;
  --ink: #2C2622;
  --muted: #5E564F;
  --celadon: #3E6B60;
  --celadon-deep: #31574e;
  --persimmon: #D46A3A;
  --persimmon-deep: #c45e30;
  --clay: #E4D5C8;
  --ochre: #8C6239;
  --line: rgba(44, 38, 34, .08);
  --shadow: 0 8px 24px rgba(44, 38, 34, .06);
  --radius: 16px;
  --pill: 999px;
  --input: 12px;
  --serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --nav-ease: 280ms ease;
}
/* roulang page: category2 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.section { padding: 96px 0; }
.section.is-paper { background: var(--paper); }
.section.is-clay { background: #efe6dc; }
.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 112px;
  background: rgba(243, 238, 230, .92);
  border-bottom: 1px solid transparent;
  transition: height var(--nav-ease), border-color var(--nav-ease), background-color var(--nav-ease);
}
.nav-stack { height: 100%; display: flex; flex-direction: column; }
.brand-row, .channels {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}
.brand-row { height: 68px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo-mark {
  width: 36px; height: 36px; flex: none; border-radius: 10px;
  border: 1px solid var(--line);
  background: repeating-linear-gradient(180deg, #E4D5C8 0 4px, #FBF8F3 4px 8px);
  display: grid; place-items: center;
  color: var(--persimmon); font-family: var(--serif); font-size: 12px;
}
.logo-text { display: flex; flex-direction: column; min-width: 0; }
.logo-name { font-family: var(--serif); font-size: 18px; line-height: 1.25; letter-spacing: -.02em; white-space: nowrap; }
.logo-sub { font-size: 12px; color: var(--muted); line-height: 1.3; }
.brand-tools { display: flex; align-items: center; gap: 10px; }
.search {
  display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--input); min-width: 220px;
}
.search:focus-within { border-color: var(--celadon); box-shadow: 0 0 0 2px rgba(62, 107, 96, .2); }
.search input { border: 0; outline: none; background: transparent; width: 100%; font-size: 14px; }
.badge-18, .top-link {
  height: 32px; padding: 0 10px; border-radius: var(--pill);
  display: inline-flex; align-items: center; font-size: 12px;
}
.badge-18 { background: var(--ink); color: var(--paper); }
.top-link { border: 1px solid var(--line); background: var(--card); color: var(--muted); }
.top-link:hover { color: var(--celadon-deep); border-color: var(--celadon); }
.channels { height: 44px; justify-content: flex-start; gap: 4px; border-top: 1px solid var(--line); }
.channel-link {
  position: relative; padding: 10px 12px; font-size: 14px; color: var(--muted);
}
.channel-link:hover { color: var(--ink); }
.channel-link.is-active { color: var(--ink); }
.channel-link.is-active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px;
  height: 2px; background: var(--celadon);
}
.burger {
  display: none; width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card); padding: 10px;
  flex-direction: column; justify-content: center; gap: 5px; cursor: pointer;
}
.burger span { display: block; height: 1.5px; background: var(--ink); transition: transform 200ms ease, opacity 200ms ease; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.drawer { display: none; background: var(--paper); border-top: 1px solid var(--clay); }
.drawer.is-open { display: block; }
.drawer a, .drawer .search { display: flex; margin: 8px 20px; }
.drawer .search { margin-top: 12px; min-width: 0; }
.drawer a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
.drawer a.is-active { color: var(--celadon-deep); }
.site-header.is-compact { height: 64px; border-bottom-color: var(--clay); }
.site-header.is-compact .nav-stack {
  flex-direction: row; align-items: center;
  width: min(1120px, calc(100% - 40px)); margin-inline: auto;
}
.site-header.is-compact .brand-row,
.site-header.is-compact .channels { width: auto; margin: 0; border: 0; height: 64px; }
.site-header.is-compact .channels { margin-left: 18px; flex: 1; }
.site-header.is-compact .logo-name { font-size: 15px; }
.site-header.is-compact .logo-sub,
.site-header.is-compact .search,
.site-header.is-compact .top-link { display: none; }
.site-header.is-compact .logo-mark { width: 28px; height: 28px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px;
  border-radius: var(--pill); border: 1px solid transparent; cursor: pointer; font-size: 15px;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--celadon); outline-offset: 2px;
}
.btn-primary { background: var(--persimmon); color: var(--paper); }
.btn-primary:hover { background: var(--persimmon-deep); transform: translateY(-1px); }
.btn-primary:active { transform: none; background: #b8562c; }
.btn-ghost { background: transparent; color: var(--celadon); border-color: var(--celadon); }
.btn-ghost:hover { background: rgba(62, 107, 96, .06); transform: translateY(-1px); }
.btn-ghost:active { transform: none; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px; transition: border-color 160ms ease;
}
.card:hover { border-color: var(--celadon); }
.text-link {
  display: inline-flex; color: var(--celadon); font-size: 15px; border-bottom: 1px solid transparent;
}
.text-link:hover { border-bottom-color: var(--celadon); color: var(--celadon-deep); }
.badge, .pill {
  display: inline-flex; align-items: center; min-height: 30px; padding: 0 12px;
  border-radius: var(--pill); border: 1px solid var(--line); background: var(--card);
  font-size: 13px; color: var(--muted);
}
.badge.ok, .pill.ok { color: var(--celadon-deep); border-color: rgba(62, 107, 96, .35); }
.badge.wait, .pill.wait { color: var(--ochre); border-color: rgba(140, 98, 57, .35); }
.field.is-error input, .field.is-error select, .field.is-error textarea { border-color: var(--ochre); }
.kicker {
  font-size: 13px; letter-spacing: .12em; color: var(--celadon-deep); margin-bottom: 14px;
}
.mag-head h1 {
  font-family: var(--serif); font-weight: 700; font-size: clamp(42px, 6vw, 72px);
  line-height: 1.15; letter-spacing: -.04em;
}
.mag-lede { max-width: 740px; margin-top: 18px; color: var(--muted); font-size: 17px; }
.mag-meta {
  display: flex; flex-wrap: wrap; gap: 18px 28px; margin-top: 28px;
  padding-top: 18px; border-top: 1px solid var(--ink);
}
.mag-meta span { font-size: 14px; color: var(--muted); }
.mag-meta b {
  display: block; font-family: var(--serif); font-size: 28px; line-height: 1.2;
  color: var(--persimmon); font-weight: 600;
}
.jump-index {
  display: flex; flex-wrap: wrap; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
}
.jump-index a {
  min-width: 72px; padding: 16px 8px; text-align: center; font-family: var(--serif);
  font-size: 20px; border-right: 1px solid var(--line); color: var(--ink);
}
.jump-index a:last-child { border-right: 0; }
.jump-index a small { display: block; font-family: var(--sans); font-size: 11px; color: var(--muted); letter-spacing: 0; }
.jump-index a:hover { color: var(--persimmon); }
.section-head { display: flex; justify-content: space-between; gap: 18px; align-items: flex-end; margin-bottom: 22px; }
.section-head h2, .rule-intro h2, .band-copy h2, .journal-copy h2, .anchor-copy h2 {
  font-family: var(--serif); font-size: clamp(28px, 3vw, 40px); line-height: 1.25; letter-spacing: -.03em;
}
.section-head p, .rule-intro p, .band-copy p, .journal-copy p { color: var(--muted); font-size: 15px; margin-top: 8px; }
.cover-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cover-card h3 { font-family: var(--serif); font-size: 22px; line-height: 1.35; margin-top: 2px; }
.cover-card p { margin-top: 8px; color: var(--muted); font-size: 14px; }
.frame {
  aspect-ratio: 16/10; border-radius: 12px; margin-bottom: 14px; border: 1px solid var(--line);
  display: grid; place-items: center;
  background:
    linear-gradient(180deg, rgba(44,38,34,.03), rgba(44,38,34,0)),
    repeating-linear-gradient(90deg, rgba(228,213,200,.9) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(180deg, rgba(228,213,200,.9) 0 1px, transparent 1px 26px),
    #F7F1E8;
}
.frame span { font-family: var(--serif); font-size: 40px; color: var(--persimmon); letter-spacing: .06em; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.ledger { display: grid; gap: 10px; margin-top: 22px; }
.ledger li, .journal li {
  display: grid; grid-template-columns: 72px 1fr auto; gap: 16px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 18px; scroll-margin-top: 88px;
  transition: border-color 160ms ease;
}
.ledger li:hover, .journal li:hover { border-color: var(--celadon); }
.ledger-no, .journal time {
  font-family: var(--serif); font-size: 22px; color: var(--persimmon); line-height: 1;
}
.ledger strong, .journal strong { display: block; font-size: 16px; font-weight: 600; }
.ledger em, .journal p { font-style: normal; color: var(--muted); font-size: 14px; }
.more-band { padding: 28px 0 36px; }
.more-band .wrap {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  border-top: 1px solid var(--clay); padding-top: 22px;
}
.more-band p { color: var(--muted); font-size: 14px; }
.rule-layout, .band-layout, .journal-layout, .anchor-layout {
  display: grid; grid-template-columns: .78fr 1.22fr; gap: 36px; align-items: start;
}
.rule-steps { display: grid; gap: 12px; }
.rule-steps li {
  display: grid; grid-template-columns: 52px 1fr; gap: 12px; align-items: start;
  padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.step-no { font-family: var(--serif); font-size: 24px; color: var(--persimmon); line-height: 1.2; }
.rule-steps h3 { font-size: 17px; font-weight: 600; }
.rule-steps p { color: var(--muted); font-size: 14px; }
.band-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.band-row a {
  min-height: 42px; padding: 0 16px; border-radius: var(--pill); border: 1px solid var(--celadon);
  color: var(--celadon-deep); display: inline-flex; align-items: center; background: var(--card);
}
.band-row a:hover { background: rgba(62, 107, 96, .08); }
.band-list { display: grid; gap: 12px; }
.band-list div {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 18px; scroll-margin-top: 88px;
}
.band-list dt { font-family: var(--serif); font-size: 20px; }
.band-list dd { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.journal { display: grid; gap: 10px; }
.journal li { grid-template-columns: 64px 1fr; }
.anchor-row { display: flex; flex-wrap: wrap; gap: 14px 22px; }
.site-footer { background: #2C2622; color: #F3EEE6; padding: 64px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.site-footer h2 { font-family: var(--serif); font-size: 20px; line-height: 1.3; margin-bottom: 10px; }
.site-footer p { color: rgba(243, 238, 230, .78); font-size: 14px; }
.site-footer a { display: block; color: #F3EEE6; padding: 4px 0; font-size: 14px; }
.site-footer a:hover { color: var(--persimmon); }
.legal {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(243, 238, 230, .15);
  font-size: 13px; color: rgba(243, 238, 230, .72);
}
.section, .mag-head { scroll-margin-top: 80px; }
@media (max-width: 1023px) {
  .site-header { height: 64px; border-bottom-color: var(--clay); }
  .brand-row { height: 64px; }
  .channels, .logo-sub, .search, .top-link, .badge-18 { display: none; }
  .burger { display: inline-flex; }
  .site-header.is-compact { height: 64px; }
  .site-header.is-compact .nav-stack { display: block; width: auto; }
  .cover-grid, .rule-layout, .band-layout, .journal-layout, .anchor-layout, .foot-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .ledger li { grid-template-columns: 56px 1fr; }
  .ledger li .badge { grid-column: 2; justify-self: start; }
  .jump-index a { min-width: 25%; }
}
@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .cover-grid { grid-template-columns: 1fr; }
  .logo-name { font-size: 14px; }
  .mag-meta b { font-size: 22px; }
  .more-band .wrap, .section-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .wrap, .brand-row { width: min(1120px, calc(100% - 32px)); }
  .journal li, .rule-steps li { grid-template-columns: 1fr; gap: 4px; }
  .frame span { font-size: 32px; }
}