/* roulang page: index */
:root {
  --paper: #F3EFE6;
  --paper-deep: #EFE8DC;
  --sheet: #FFFCF7;
  --ink: #241C22;
  --ink-soft: #5C534C;
  --plum: #6E355F;
  --plum-deep: #4E2343;
  --sage: #3E6B62;
  --sage-deep: #2C4E47;
  --sage-bright: #A7D4C8;
  --rule: #E4D8C8;
  --line: #C9A4BE;
  --danger: #4E2343;
  --radius-btn: 4px;
  --radius-card: 2px;
  --radius-pill: 999px;
  --shadow-bar: 0 1px 0 rgba(36, 28, 34, .05);
  --font-serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --space-section: 80px;
  --content: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; }
a { color: var(--plum); text-decoration: none; }
a:hover { color: var(--plum-deep); }
p { margin: 0 0 0.8em; }
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.28;
  color: var(--ink);
  margin: 0 0 .55em;
}
h1 { font-size: clamp(30px, 4.4vw, 46px); letter-spacing: -0.01em; }
h2 { font-size: clamp(26px, 2.6vw, 32px); }
h3 { font-size: 22px; }
::selection { background: var(--plum); color: var(--paper); }
.container { max-width: var(--content); }
.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--ink);
  color: var(--paper);
  padding: 6px 10px;
  z-index: 50;
}
.skip:focus { top: 8px; color: var(--paper); }

.site-head {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--sheet);
  border-bottom: 1px solid var(--rule);
  box-shadow: var(--shadow-bar);
}
.nav-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  min-height: 72px;
  padding: 10px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  min-width: 0;
}
.brand:hover { color: var(--plum-deep); }
.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border: 1px solid var(--plum);
  border-radius: var(--radius-card);
  display: grid;
  place-items: center;
  background: var(--sheet);
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.25;
  font-weight: 700;
}
.nav-tools { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-btn);
  background: transparent;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--ink);
}
.nav-toggle:hover { border-color: var(--plum); }
.nav-toggle:active { transform: translateY(1px); }
.nav-panel {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink);
  font-size: 15px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--plum); }
.nav-links a[aria-current="page"] {
  color: var(--plum);
  border-bottom-color: var(--plum);
}
.nav-search {
  margin-left: auto;
  display: flex;
  align-items: center;
  min-width: 210px;
  max-width: 280px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius-pill);
  padding: 3px 3px 3px 14px;
}
.nav-search input {
  border: 0;
  background: transparent;
  width: 100%;
  min-width: 0;
  color: var(--ink);
  padding: 6px 0;
  outline: none;
}
.nav-search button {
  border: 0;
  background: var(--sage);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  font-size: 13px;
  white-space: nowrap;
}
.nav-search button:hover { background: var(--sage-deep); }
.nav-search button:active { transform: translateY(1px); }
.nav-search:focus-within { box-shadow: 0 0 0 2px var(--sage); }

.btn-solid, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  line-height: 1.2;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease, transform .12s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-solid { background: var(--plum); color: var(--paper); border-color: var(--plum); }
.btn-solid:hover { background: var(--plum-deep); border-color: var(--plum-deep); color: var(--paper); }
.btn-solid:active, .btn-ghost:active { transform: translateY(1px); }
.btn-solid:focus-visible, .btn-ghost:focus-visible, .nav-search button:focus-visible, .nav-toggle:focus-visible {
  outline: 2px solid var(--sage);
  outline-offset: 2px;
}
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { color: var(--plum); border-color: var(--plum); background: transparent; }
.nav-cta { padding-inline: 14px; }

.kicker {
  display: inline-block;
  margin: 0 0 10px;
  color: var(--plum);
  font-size: 12.5px;
  letter-spacing: .14em;
  font-weight: 500;
}
.section-lead {
  max-width: 46em;
  color: var(--ink-soft);
  font-size: 16.5px;
  margin-bottom: 1.4rem;
}
.rule { height: 1px; background: var(--rule); border: 0; margin: 0 0 22px; }
.rule-double { border: 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); height: 5px; margin: 0 0 22px; background: transparent; }
.band { padding: var(--space-section) 0; }
.band-sheet { background: var(--sheet); }
.band-paper { background: var(--paper); }
.band-deep { background: var(--paper-deep); }
.hero { padding: 34px 0 76px; background: var(--sheet); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 42px;
  align-items: center;
}
.pain {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 17px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.age-note { margin: 16px 0 0; color: var(--ink-soft); font-size: 14px; }

.demo {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: 12px;
}
.demo-screen {
  background: var(--ink);
  color: var(--paper);
  min-height: 320px;
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.demo-top { display: flex; justify-content: space-between; gap: 12px; color: #E4D8C8; font-size: 12px; letter-spacing: .08em; }
.play-dot {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-top: 8px;
}
.demo-title { font-family: var(--font-serif); font-size: 28px; color: var(--paper); margin: 6px 0 0; }
.demo-sub { color: #E4D8C8; margin: 0; font-size: 14px; }
.demo-rows { margin-top: auto; display: flex; flex-direction: column; }
.demo-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid rgba(228, 216, 200, .28);
  font-size: 14px;
}
.demo-row b { font-weight: 500; }
.demo-bar { height: 3px; background: rgba(243, 239, 230, .18); margin-top: 8px; }
.demo-bar span { display: block; width: 62%; height: 100%; background: var(--line); }
.demo-caption { margin: 8px 2px 0; color: var(--ink-soft); font-size: 12.5px; }

.scene-links { display: flex; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.scene-links a {
  flex: 1;
  padding: 16px 14px;
  color: var(--ink);
  border-left: 1px solid var(--rule);
  min-width: 0;
}
.scene-links a:first-child { border-left: 0; }
.scene-links a:hover { color: var(--plum); background: rgba(110, 53, 95, .04); }
.scene-links small { display: block; color: var(--plum); font-size: 12px; letter-spacing: .08em; }
.scene-links strong { display: block; font-family: var(--font-serif); font-size: 18px; font-weight: 700; }

.entry-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .8fr);
  gap: 16px;
}
.stack { display: flex; flex-direction: column; gap: 16px; }
.sheet-card {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: 22px 22px 18px;
  color: inherit;
  height: 100%;
}
a.sheet-card { display: block; color: var(--ink); }
.sheet-card:hover { border-color: var(--plum); background: #FFF8F1; color: var(--ink); }
.sheet-card h3 { margin-bottom: 8px; }
.card-copy { color: var(--ink-soft); margin: 0; font-size: 15.5px; }
.meta-line { margin: 0 0 8px; color: var(--plum); font-size: 12.5px; letter-spacing: .08em; }
.entry-main { min-height: 100%; display: flex; flex-direction: column; justify-content: space-between; background: var(--paper); }
.entry-main .big-index { font-family: var(--font-serif); font-size: 42px; color: var(--plum); line-height: 1; margin-bottom: 12px; }

.topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.15fr) minmax(200px, .62fr);
  gap: 16px;
}
.topic-card h3 { font-size: 26px; }
.note-card { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.note-card h3, .note-card .meta-line { color: var(--paper); }
.note-card .card-copy { color: #E7DDD4; }
.note-card:hover { background: var(--plum-deep); border-color: var(--plum-deep); color: var(--paper); }

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.metric { padding: 18px 16px 16px; border-left: 1px solid var(--rule); }
.metric:first-child { border-left: 0; }
.metric b {
  display: block;
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1.1;
  color: var(--plum);
  font-weight: 700;
}
.metric span { display: block; margin-top: 6px; color: var(--ink); font-weight: 700; }
.metric small { display: block; color: var(--ink-soft); font-size: 14px; }
.fine { margin-top: 12px; color: var(--ink-soft); font-size: 13.5px; }

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.flow-step { padding: 8px 18px 0 0; border-top: 1px solid var(--ink); margin-right: 18px; }
.flow-step em {
  display: block;
  font-style: normal;
  color: var(--sage);
  font-size: 13px;
  letter-spacing: .08em;
  margin-bottom: 8px;
}
.flow-step h3 { font-size: 22px; }
.flow-step p { color: var(--ink-soft); font-size: 15px; margin: 0; }

.compare-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
}
.def-list { margin: 0; }
.def-list div { display: grid; grid-template-columns: 92px 1fr; gap: 10px; padding: 10px 0; border-top: 1px solid var(--rule); }
.def-list dt { margin: 0; color: var(--plum); font-weight: 700; }
.def-list dd { margin: 0; color: var(--ink-soft); }

.voice-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .75fr);
  gap: 18px;
}
.quote-feature {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: 28px 26px;
}
.quote-feature p {
  font-family: var(--font-serif);
  font-size: 28px;
  line-height: 1.45;
  margin: 0 0 16px;
}
.quote-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.quote-list li { padding: 14px 0; border-bottom: 1px solid var(--rule); }
.quote-list p { margin: 0 0 4px; }
.who { color: var(--ink-soft); font-size: 13px; }

.channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
}
.channel-lines { margin: 0; padding: 0; list-style: none; }
.channel-lines li { padding: 7px 0; border-top: 1px solid var(--rule); color: var(--ink-soft); }

.news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr);
  gap: 22px;
}
.news-feature { padding-bottom: 8px; }
.news-side { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.news-side li { border-bottom: 1px solid var(--rule); }
.news-side a { display: block; padding: 12px 0; color: var(--ink); }
.news-side a:hover { color: var(--plum); }
.news-side small { display: block; color: var(--ink-soft); }
.badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: var(--radius-card);
  font-size: 12px;
  line-height: 1.6;
  background: #E7F0ED;
  color: var(--sage-deep);
  border: 1px solid #D5E4DF;
}
.badge-plum { background: #F6EAF2; color: var(--plum-deep); border-color: #E7D3E0; }

.lex-layout {
  display: grid;
  grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr);
  gap: 22px;
  align-items: start;
}
.lex-box { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius-card); padding: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.field span { font-size: 13px; color: var(--ink-soft); }
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--rule);
  border-radius: var(--radius-btn);
  background: #fff;
  color: var(--ink);
  padding: 10px 12px;
  outline: none;
}
.field textarea { min-height: 88px; resize: vertical; }
.field input:focus, .field textarea:focus { box-shadow: 0 0 0 2px var(--sage); border-color: var(--sage); }
.field.is-invalid input, .field.is-invalid textarea { border-color: var(--danger); }
.term-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; }
.term {
  display: block;
  padding: 10px 0;
  border-top: 1px solid var(--rule);
  color: var(--ink);
}
.term:hover { color: var(--plum); }
.term b { display: block; font-family: var(--font-serif); font-weight: 700; }
.term small { color: var(--ink-soft); }

.partner-row {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.partner-row span {
  flex: 1 1 16%;
  text-align: center;
  padding: 18px 8px;
  font-family: var(--font-serif);
  border-left: 1px solid var(--rule);
  color: var(--ink);
}
.partner-row span:first-child { border-left: 0; }

.faq-acc .accordion-item {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  margin-bottom: 8px;
  overflow: hidden;
}
.faq-acc .accordion-button {
  background: var(--sheet);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 18px;
  box-shadow: none;
  padding: 14px 16px;
}
.faq-acc .accordion-button:not(.collapsed) { background: var(--paper); color: var(--plum-deep); }
.faq-acc .accordion-button:focus { box-shadow: inset 0 0 0 2px var(--sage); border-color: transparent; }
.faq-acc .accordion-body { background: var(--paper); color: var(--ink-soft); padding: 4px 16px 16px; }
.faq-acc .accordion-button::after { filter: grayscale(1); }

.assure-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: var(--ink);
  color: var(--paper);
}
.assure-strip article { padding: 18px 18px; border-left: 1px solid rgba(228, 216, 200, .25); }
.assure-strip article:first-child { border-left: 0; }
.assure-strip h3 { color: var(--paper); font-size: 18px; margin-bottom: 4px; }
.assure-strip p { margin: 0; color: #E7DDD4; font-size: 14.5px; }

.consult-grid {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: start;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-note { min-height: 1.5em; color: var(--sage-deep); margin: 8px 0 0; }
.form-error { color: var(--danger); margin: 0 0 8px; font-size: 14px; }

.site-foot {
  background: var(--ink);
  color: #E7DDD4;
  padding: 42px 0 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.3fr .8fr 1.1fr;
  gap: 24px;
}
.site-foot .brand-name, .site-foot h2 { color: var(--paper); font-size: 20px; }
.site-foot a { color: var(--paper); }
.site-foot a:hover { color: var(--sage-bright); }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links li { margin: 4px 0; }
.copyright { margin-top: 22px; padding-top: 12px; border-top: 1px solid rgba(228, 216, 200, .25); font-size: 13px; color: #D9D0C6; }

@media (max-width: 1199.98px) {
  .topic-grid { grid-template-columns: 1fr 1fr; }
  .note-card { grid-column: 1 / -1; }
}
@media (max-width: 991.98px) {
  :root { --space-section: 52px; }
  .nav-row { grid-template-columns: minmax(0, 1fr) auto; min-height: 64px; }
  .nav-toggle { display: flex; }
  .nav-panel {
    grid-column: 1 / -1;
    flex-direction: column;
    align-items: stretch;
    padding: 4px 0 12px;
    gap: 12px;
  }
  .nav-panel.collapse:not(.show) { display: none; }
  .nav-panel.collapse.show { display: flex; }
  .nav-links { flex-direction: column; gap: 0; }
  .nav-links a { padding: 10px 0; border-bottom: 1px solid var(--rule); }
  .nav-search { margin-left: 0; max-width: none; width: 100%; }
  .hero-grid, .entry-grid, .compare-grid, .voice-grid, .news-grid, .lex-layout, .consult-grid, .channel, .foot-grid {
    grid-template-columns: 1fr;
  }
  .metric-row, .flow { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(odd) { border-left: 0; }
  .flow-step { margin-right: 12px; }
  .channel .btn-solid { justify-self: start; }
}
@media (min-width: 992px) {
  #navPanel.collapse { display: flex !important; height: auto !important; visibility: visible !important; }
}
@media (max-width: 767.98px) {
  body { font-size: 16px; }
  .hero { padding-top: 22px; }
  .scene-links, .partner-row, .assure-strip, .form-row { display: block; }
  .scene-links a, .partner-row span, .assure-strip article { border-left: 0; border-top: 1px solid var(--rule); }
  .assure-strip article { border-top-color: rgba(228, 216, 200, .25); }
  .partner-row span:first-child, .scene-links a:first-child, .assure-strip article:first-child { border-top: 0; }
  .topic-grid, .metric-row, .flow, .term-grid { grid-template-columns: 1fr; }
  .metric { border-left: 0; border-top: 1px solid var(--rule); }
  .metric:first-child { border-top: 0; }
  .flow-step { margin: 0 0 16px; padding-right: 0; }
  .quote-feature p { font-size: 24px; }
  .def-list div { grid-template-columns: 1fr; gap: 2px; }
  .demo-title { font-size: 24px; }
}
@media (max-width: 575.98px) {
  .brand-name { font-size: 15px; }
  .nav-cta { padding-inline: 10px; min-height: 38px; }
  .hero-actions .btn-solid, .hero-actions .btn-ghost { width: 100%; }
  h1 { font-size: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --paper: #F3EFE6;
  --paper-deep: #EFE8DC;
  --sheet: #FFFCF7;
  --ink: #241C22;
  --ink-soft: #5C534C;
  --plum: #6E355F;
  --plum-deep: #4E2343;
  --sage: #3E6B62;
  --sage-deep: #2C4E47;
  --sage-bright: #A7D4C8;
  --rule: #E4D8C8;
  --line: #C9A4BE;
  --danger: #4E2343;
  --radius-btn: 4px;
  --radius-card: 2px;
  --radius-pill: 999px;
  --shadow-bar: 0 1px 0 rgba(36, 28, 34, .05);
  --font-serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --space-section: 80px;
  --content: 1160px;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
a { color: var(--plum); text-decoration: none; }
a:hover { color: var(--plum-deep); }
.container {
  width: 100%;
  max-width: var(--content);
  margin-inline: auto;
  padding-left: 18px;
  padding-right: 18px;
}
.site-head {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--sheet);
  border-bottom: 1px solid var(--rule);
  box-shadow: var(--shadow-bar);
}
.nav-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas: "brand panel tools";
  align-items: center;
  gap: 18px;
  min-height: 72px;
  padding: 10px 0;
}
.brand {
  grid-area: brand;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  min-width: 0;
}
.brand:hover { color: var(--plum-deep); }
.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border: 1px solid var(--plum);
  border-radius: var(--radius-card);
  display: grid;
  place-items: center;
  background: var(--sheet);
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.25;
  font-weight: 700;
}
.nav-tools {
  grid-area: tools;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-btn);
  background: transparent;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--ink);
}
.nav-toggle:hover { border-color: var(--plum); }
.nav-toggle:active { transform: translateY(1px); }
.nav-panel {
  grid-area: panel;
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink);
  font-size: 15px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--plum); }
.nav-links a[aria-current="page"] {
  color: var(--plum);
  border-bottom-color: var(--plum);
}
.nav-search {
  margin-left: auto;
  display: flex;
  align-items: center;
  min-width: 210px;
  max-width: 280px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius-pill);
  padding: 3px 3px 3px 14px;
}
.nav-search input {
  border: 0;
  background: transparent;
  width: 100%;
  min-width: 0;
  color: var(--ink);
  padding: 6px 0;
  outline: none;
}
.nav-search button {
  border: 0;
  background: var(--sage);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  font-size: 13px;
  white-space: nowrap;
}
.nav-search button:hover { background: var(--sage-deep); }
.nav-search button:active { transform: translateY(1px); }
.nav-search:focus-within { box-shadow: 0 0 0 2px var(--sage); }
.btn-solid, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  line-height: 1.2;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease, transform .12s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-solid { background: var(--plum); color: var(--paper); border-color: var(--plum); }
.btn-solid:hover { background: var(--plum-deep); border-color: var(--plum-deep); color: var(--paper); }
.btn-solid:active, .btn-ghost:active { transform: translateY(1px); }
.btn-solid:focus-visible, .btn-ghost:focus-visible, .nav-search button:focus-visible, .nav-toggle:focus-visible, .more-btn:focus-visible {
  outline: 2px solid var(--sage);
  outline-offset: 2px;
}
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { color: var(--plum); border-color: var(--plum); background: transparent; }
.nav-cta { padding-inline: 14px; }
.block { padding: var(--space-section) 0; }
.block-paper { background: var(--paper); }
.block-sheet { background: var(--sheet); }
.block-deep { background: var(--paper-deep); }
.kicker {
  margin: 0;
  color: var(--plum);
  font-size: 12.5px;
  letter-spacing: .12em;
  font-weight: 500;
}
.mast h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.28;
  margin: 10px 0 14px;
  max-width: 16em;
}
.scope {
  max-width: 40em;
  margin: 0;
  color: var(--ink-soft);
}
.scope + .scope { margin-top: 4px; }
.double-rule {
  height: 5px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  margin-top: 22px;
}
.crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--ink-soft);
  font-size: 13px;
  margin: 0 0 18px;
}
.crumb a { color: var(--ink-soft); border-bottom: 1px solid transparent; }
.crumb a:hover { color: var(--plum); border-bottom-color: var(--plum); }
.block h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.32;
  font-weight: 700;
  margin: 0 0 8px;
}
.rule-under {
  width: 72px;
  height: 1px;
  background: var(--rule);
  border-bottom: 1px solid var(--ink);
  margin: 0 0 22px;
}
.lead {
  max-width: 42em;
  color: var(--ink-soft);
  margin: 0 0 22px;
}
.filter-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 16px;
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
}
.filter-field label {
  display: block;
  margin-bottom: 6px;
  color: var(--plum);
  font-size: 12.5px;
  letter-spacing: .08em;
}
.filter-field select {
  width: 100%;
  min-height: 42px;
  padding: 8px 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius-btn);
}
.filter-field select:hover { border-color: var(--plum); }
.filter-field select:focus {
  outline: 2px solid var(--sage);
  outline-offset: 1px;
  border-color: var(--sage);
}
.play-list { display: flex; flex-direction: column; gap: 10px; }
.play-wide, .play-row {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  transition: border-color .15s ease, background .15s ease;
}
.play-wide:hover, .play-row:hover {
  border-color: var(--plum);
  background: #FFF8F1;
}
.play-wide {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(180px, .55fr);
  min-height: 168px;
}
.play-main { padding: 22px 22px 18px; }
.play-main h3, .play-row h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  line-height: 1.35;
  margin: 6px 0 8px;
}
.play-main p, .note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15.5px;
}
.play-side {
  padding: 22px 18px;
  border-left: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  background: var(--paper);
}
.play-side p { margin: 0; font-size: 14px; color: var(--ink-soft); }
.play-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto minmax(180px, .8fr);
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
}
.play-row h3 { font-size: 20px; margin: 0; }
.badge-res {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 2px 8px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sage-deep);
  background: #E7F2EE;
  border-radius: var(--radius-card);
  border: 1px solid rgba(62, 107, 98, .25);
}
.badge-plum {
  color: var(--plum-deep);
  background: #F6EAF2;
  border-color: var(--line);
}
.more-wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.more-wrap p { margin: 0; color: var(--ink-soft); max-width: 36em; }
.more-btn { min-width: 128px; }
.scene-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(230px, .62fr);
  gap: 28px;
  align-items: start;
}
.prose p { margin: 0 0 14px; }
.prose p:last-child { margin-bottom: 0; }
.side-note {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: 18px 18px 14px;
}
.side-note h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin: 0 0 10px;
}
.side-note ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.side-note li {
  padding: 8px 0;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 15px;
}
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--rule);
  background: var(--sheet);
  border-radius: var(--radius-card);
}
.compare-col { padding: 26px 24px 18px; }
.compare-col + .compare-col { border-left: 1px solid var(--rule); }
.compare-col h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}
.compare-col dl { margin: 0; }
.compare-col dt {
  font-family: var(--font-serif);
  font-size: 17px;
  margin-top: 12px;
}
.compare-col dd {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 15.5px;
}
.faq-acc {
  --bs-accordion-bg: var(--sheet);
  --bs-accordion-active-bg: var(--paper);
  --bs-accordion-active-color: var(--plum);
  --bs-accordion-btn-color: var(--ink);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 2px var(--sage);
  --bs-accordion-border-color: var(--rule);
  --bs-accordion-border-radius: 2px;
  --bs-accordion-inner-border-radius: 2px;
  --bs-accordion-btn-icon-width: 1rem;
}
.faq-acc .accordion-item {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  margin-bottom: 8px;
  overflow: hidden;
}
.faq-acc .accordion-button {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.45;
  padding: 16px 18px;
  box-shadow: none;
}
.faq-acc .accordion-button:not(.collapsed) {
  color: var(--plum);
  background: var(--paper);
  box-shadow: none;
}
.faq-acc .accordion-button:focus {
  box-shadow: inset 0 0 0 2px var(--sage);
}
.faq-acc .accordion-body {
  color: var(--ink-soft);
  padding: 4px 18px 16px;
  background: var(--paper);
}
.consult-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-card);
  padding: 26px 28px;
}
.consult-bar h2 { color: var(--paper); margin-bottom: 6px; }
.consult-bar p { margin: 0; color: rgba(243, 239, 230, .82); max-width: 36em; }
.consult-bar .btn-solid { background: var(--plum); }
.site-foot {
  background: var(--ink);
  color: var(--paper);
  padding: 52px 0 28px;
}
.site-foot a { color: var(--paper); }
.site-foot a:hover { color: var(--sage-bright); }
.site-foot .brand-name { color: var(--paper); }
.site-foot .brand-mark {
  background: transparent;
  border-color: var(--paper);
}
.foot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(140px, .7fr) minmax(0, 1fr);
  gap: 32px;
}
.site-foot h2 {
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: .08em;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 12px;
}
.site-foot p { margin: 12px 0 0; color: rgba(243, 239, 230, .82); font-size: 15px; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links li { margin: 0 0 6px; }
.foot-links a { border-bottom: 1px solid transparent; }
.foot-links a:hover { border-bottom-color: var(--sage-bright); }
.copyright {
  border-top: 1px solid rgba(243, 239, 230, .2);
  margin: 28px 0 0;
  padding-top: 16px;
  font-size: 14px;
  color: rgba(243, 239, 230, .78);
}
@media (max-width: 1199.98px) {
  .mast h1 { font-size: 40px; }
  .nav-search { min-width: 168px; }
}
@media (max-width: 991.98px) {
  .nav-toggle { display: flex; }
  .nav-row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "brand tools" "panel panel";
    gap: 8px 12px;
  }
  .nav-panel {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding-bottom: 12px;
  }
  #navPanel.collapse:not(.show) { display: none; }
  #navPanel.collapse.show { display: flex; }
  .nav-links { flex-direction: column; gap: 2px; }
  .nav-search { margin-left: 0; max-width: none; width: 100%; }
  .play-wide, .scene-layout, .compare-grid, .foot-grid { grid-template-columns: 1fr; }
  .compare-col + .compare-col { border-left: 0; border-top: 1px solid var(--rule); }
  .play-side { border-left: 0; border-top: 1px solid var(--rule); }
}
@media (max-width: 767.98px) {
  :root { --space-section: 48px; }
  .block h2 { font-size: 26px; }
  .filter-bar, .play-row, .more-wrap, .consult-bar { grid-template-columns: 1fr; display: grid; }
  .play-row { gap: 6px; }
  .more-wrap, .consult-bar { display: flex; flex-direction: column; align-items: flex-start; }
  .mast h1 { font-size: 32px; }
}
@media (max-width: 575.98px) {
  .brand-name { font-size: 15px; }
  .brand-mark { width: 30px; height: 30px; flex-basis: 30px; }
  .nav-cta { min-height: 38px; padding: 6px 10px; font-size: 14px; }
  .container { padding-left: 14px; padding-right: 14px; }
  .play-main h3 { font-size: 22px; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}