/* roulang page: index */
:root {
  --bg: #E7E1D8;
  --bg-alt: #EFE8DE;
  --ink: #241C19;
  --primary: #C45A32;
  --primary-dark: #A34826;
  --sage: #5E6B66;
  --card: #F7F4EF;
  --dark: #2A2422;
  --muted: #6E655F;
  --line: #E4DCD2;
  --soft: #C8BFB6;
  --radius: 2px;
  --header: 72px;
  --pad: 88px;
  --shadow: none;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, p, ul, ol { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; color: inherit; }
::selection { background: var(--primary); color: var(--card); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.container { --bs-gutter-x: 24px; }
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: var(--dark);
  border-bottom: 1px solid rgba(231, 225, 216, 0.14);
}
.site-nav.navbar { padding: 0; background: transparent; }
.nav-bar {
  min-height: var(--header);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 18px;
  width: 100%;
}
.brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--card);
  line-height: 1;
  white-space: nowrap;
}
.brand:hover { color: #fff; }
.nav-links { display: flex; align-items: center; gap: 22px; margin: 0; }
.nav-links a {
  color: var(--bg);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0 4px;
  position: relative;
}
.nav-links a:hover { color: #fff; }
.nav-links a.active { font-weight: 700; color: #fff; }
.nav-links a.active::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin-top: 4px;
  background: var(--primary);
}
.nav-cta { margin-left: 8px; flex: 0 0 auto; }
.nav-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(231, 225, 216, 0.28);
  background: transparent;
  border-radius: var(--radius);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--card);
}
.btn-get, .btn-line, .dock-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
  cursor: pointer;
}
.btn-get, .dock-cta { background: var(--primary); color: var(--card); }
.btn-get:hover, .dock-cta:hover { background: var(--primary-dark); color: #fff; }
.btn-get:active, .btn-line:active, .dock-cta:active { transform: translateY(1px); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-line:hover { background: var(--ink); color: var(--card); }
.arrow { display: inline-block; transition: transform 180ms ease; }
.btn-get:hover .arrow, .text-link:hover .arrow, .dock-cta:hover .arrow { transform: translateX(4px); }
.dock-cta { display: none; }
main { padding-top: var(--header); }
.block { padding: var(--pad) 0; scroll-margin-top: 84px; }
.block:nth-child(odd) { background: var(--bg); }
.block:nth-child(even) { background: var(--bg-alt); }
.block-promise, .block-contact { background: var(--dark); color: var(--card); }
h1, h2, h3, .brand, .mark, .pin-title, .faq-list .accordion-button {
  font-family: var(--serif);
}
h1 {
  font-size: 56px;
  font-weight: 560;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
h2 { font-size: 32px; font-weight: 600; line-height: 1.3; margin-bottom: 14px; }
h3 { font-size: 22px; font-weight: 600; line-height: 1.4; }
.eyebrow, .meta, .status-label, .zone-kicker {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.eyebrow { color: var(--sage); margin-bottom: 14px; }
.sub { font-size: 18px; margin: 16px 0; max-width: 640px; }
.hero-text, .block-lead { max-width: 720px; margin-bottom: 22px; }
.hero { padding-top: 72px; padding-bottom: 88px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.72fr);
  gap: 48px;
  align-items: end;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.pin, .zone, .case, .quote, .metric, .step, .news-row, .faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.pin, .zone, .case, .quote {
  transition: transform 180ms ease, border-color 180ms ease;
}
.pin:hover, .zone:hover, .case:hover, .quote:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}
.pin { display: flex; flex-direction: column; gap: 12px; padding: 28px 26px 24px; min-height: 280px; color: var(--ink); }
.pin-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.pin-title { font-size: 28px; font-weight: 600; line-height: 1.35; }
.pin-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 13px; }
.tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 8px;
  border: 1px solid var(--sage);
  color: var(--sage);
  font-size: 12px;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  white-space: nowrap;
}
.tag.solid { color: var(--primary); border-color: var(--primary); }
.status-row, .metric-row, .promise-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 28px;
}
.status-row li, .metric {
  padding: 8px 8px 8px 22px;
  border-left: 1px solid var(--sage);
}
.status-row li:first-child, .metric:first-child { border-left: 0; padding-left: 0; }
.num, .heat, .no, .step-no {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.num { display: block; font-size: 42px; line-height: 1; letter-spacing: -0.04em; margin-bottom: 8px; }
.zone-row { --bs-gutter-x: 14px; --bs-gutter-y: 14px; }
.zone { padding: 32px 28px; height: 100%; display: flex; flex-direction: column; gap: 14px; }
.zone-b { background: #F3EEE7; }
.zone-title { font-size: 36px; }
.zone-copy { min-height: 64px; }
.zone-list { display: flex; flex-direction: column; gap: 8px; margin: 4px 0 8px; }
.zone-list a { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.zone-list a:hover { color: var(--primary); }
.text-link {
  color: var(--primary);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  width: fit-content;
}
.rank { margin-top: 8px; border-top: 1px solid var(--line); }
.rank li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto auto;
  gap: 16px;
  align-items: center;
  min-height: 58px;
  padding: 0 12px;
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease;
}
.rank li:hover { background: var(--card); }
.rank a { font-weight: 500; }
.rank a:hover { color: var(--primary); }
.no { color: var(--sage); }
.heat { font-size: 14px; color: var(--muted); }
.metric { background: transparent; border: 0; border-radius: 0; padding-top: 12px; }
.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 28px;
}
.steps::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 4%;
  right: 4%;
  height: 1px;
  background: var(--sage);
}
.step { background: transparent; border: 0; padding-right: 12px; }
.step-no {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--bg-alt);
  border: 1px solid var(--sage);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
  font-size: 13px;
}
.step p { color: var(--ink); font-size: 15px; }
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 28px;
  border: 1px solid var(--line);
}
.compare article { padding: 36px 32px; min-height: 320px; }
.compare-a { background: var(--card); }
.compare-b { background: var(--dark); color: var(--card); }
.compare-b .meta, .compare-b .eyebrow { color: var(--soft); }
.compare ul { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.compare li { padding-left: 14px; position: relative; }
.compare li::before {
  content: "";
  width: 6px;
  height: 1px;
  background: var(--sage);
  position: absolute;
  left: 0;
  top: 0.9em;
}
.case-wall {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 1fr;
  grid-template-areas: "a a b" "c d d" "e e f";
  gap: 14px;
  margin-top: 8px;
}
.case { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding: 24px; min-height: 210px; color: var(--ink); }
.case-1 { grid-area: a; }
.case-2 { grid-area: b; }
.case-3 { grid-area: c; }
.case-4 { grid-area: d; }
.case-5 { grid-area: e; }
.case-6 { grid-area: f; }
.case p { font-size: 15px; }
.quote-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 6px;
  margin-top: 8px;
}
.quote {
  flex: 0 0 calc(33.333% - 10px);
  scroll-snap-align: start;
  padding: 28px 24px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.quote p { font-family: var(--serif); font-size: 22px; line-height: 1.6; }
.quote-name { color: var(--sage); font-size: 13px; }
.news-list { margin-top: 8px; border-top: 1px solid var(--line); }
.news-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 64px;
  padding: 8px 4px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}
.news-row:hover { color: var(--primary); }
.news-date { color: var(--muted); font-family: var(--mono); font-size: 13px; }
.more-row { font-weight: 700; color: var(--primary); }
.mark-row { display: flex; flex-wrap: wrap; gap: 18px 28px; margin-top: 20px; }
.mark {
  font-size: 24px;
  letter-spacing: 0.14em;
  border-bottom: 1px solid var(--sage);
  padding-bottom: 4px;
  line-height: 1.4;
}
.faq-list .accordion-item, .faq-item {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}
.faq-list .accordion-button {
  background: transparent;
  color: var(--ink);
  box-shadow: none;
  border-radius: 0;
  padding: 22px 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.45;
}
.faq-list .accordion-button:not(.collapsed) { color: var(--ink); background: transparent; }
.faq-list .accordion-button::after {
  background-image: none;
  content: "+";
  font-family: var(--sans);
  font-size: 22px;
  width: auto;
  height: auto;
  color: var(--sage);
  transform: none;
}
.faq-list .accordion-button:not(.collapsed)::after { content: "–"; transform: none; }
.faq-a { padding: 0 0 20px; max-width: 760px; }
.block-promise { padding: 28px 0; }
.promise-row { grid-template-columns: repeat(3, 1fr); margin-top: 0; }
.promise { border-left: 1px solid rgba(94, 107, 102, 0.8); padding: 6px 18px; }
.promise:first-child { border-left: 0; padding-left: 0; }
.promise strong { display: block; font-family: var(--serif); font-size: 20px; font-weight: 600; margin-bottom: 4px; }
.promise span { color: var(--soft); font-size: 14px; }
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}
.block-contact .block-lead, .block-contact .meta { color: var(--soft); }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--soft); }
.field input, .field textarea {
  width: 100%;
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  outline: none;
}
.field input:focus, .field textarea:focus { border-color: var(--primary); }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { color: #F0D2C6; font-size: 14px; }
.site-footer { background: var(--bg); border-top: 1px solid var(--line); padding: 42px 0 48px; }
.foot-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
}
.foot-brand { font-family: var(--serif); font-size: 24px; font-weight: 600; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.foot-links a:hover { color: var(--primary); }
.copy { color: var(--muted); font-size: 13px; margin-top: 18px; }
@media (max-width: 1199.98px) {
  h1 { font-size: 48px; }
  .nav-links { gap: 16px; }
  .nav-links a, .btn-get { font-size: 14px; }
  .zone-title { font-size: 32px; }
}
@media (max-width: 991.98px) {
  h1 { font-size: 40px; }
  h2 { font-size: 28px; }
  .block { padding: 64px 0; }
  .hero { padding-top: 48px; }
  .hero-grid, .contact-grid, .compare { grid-template-columns: 1fr; }
  .nav-bar { flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .brand { order: 1; }
  .nav-cta { order: 2; margin-left: auto; }
  .nav-toggle { order: 3; }
  #navMain { order: 4; flex: 0 0 100%; width: 100%; }
  .nav-links { flex-direction: column; align-items: flex-start; gap: 0; padding: 6px 0 12px; }
  .nav-links a { width: 100%; padding: 12px 0; }
  .case-wall {
    grid-template-columns: 1fr 1fr;
    grid-template-areas: "a a" "b c" "d d" "e f";
  }
  .quote { flex-basis: calc(50% - 8px); }
}
@media (max-width: 767.98px) {
  h1 { font-size: 34px; }
  h2 { font-size: 26px; }
  body { font-size: 16px; }
  .block, .hero { padding: 48px 0; }
  .status-row, .metric-row { grid-template-columns: 1fr 1fr; gap: 18px 0; }
  .status-row li:nth-child(odd), .metric:nth-child(odd) { border-left: 0; padding-left: 0; }
  .status-row li:nth-child(3), .metric:nth-child(3) { border-top: 1px solid var(--line); padding-top: 16px; }
  .status-row li:nth-child(4), .metric:nth-child(4) { border-top: 1px solid var(--line); padding-top: 16px; }
  .num { font-size: 34px; }
  .steps { grid-template-columns: 1fr; }
  .steps::before { left: 17px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .rank li { grid-template-columns: 36px minmax(0, 1fr); gap: 8px 12px; padding: 12px 4px; }
  .rank .tag { grid-column: 2; justify-self: start; }
  .rank .heat { grid-column: 2; }
  .case-wall { grid-template-columns: 1fr; grid-template-areas: "a" "b" "c" "d" "e" "f"; }
  .quote { flex-basis: 100%; }
  .news-row { grid-template-columns: 72px minmax(0, 1fr); }
  .promise-row { grid-template-columns: 1fr; gap: 14px; }
  .promise { border-left: 0; padding: 0 0 12px; border-bottom: 1px solid rgba(94, 107, 102, 0.45); }
  .pin-title, .quote p { font-size: 22px; }
}
@media (max-width: 575.98px) {
  h1 { font-size: 32px; }
  .nav-cta { display: none !important; }
  .dock-cta {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    min-height: 56px;
    height: calc(56px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    border-radius: 0;
  }
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  .foot-grid { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .brand { font-size: 18px; }
  .hero-actions .btn-get, .hero-actions .btn-line { width: 100%; }
  .zone { padding: 22px 18px; }
  .compare article { padding: 24px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .pin:hover, .zone:hover, .case:hover, .quote:hover, .btn-get:active, .btn-line:active { transform: none; }
}

/* roulang page: category2 */
:root {
 --bg: #E7E1D8;
 --bg-alt: #EFE8DE;
 --ink: #241C19;
 --primary: #C45A32;
 --primary-dark: #A34826;
 --sage: #5E6B66;
 --card: #F7F4EF;
 --dark: #2A2422;
 --muted: #6E655F;
 --line: #E4DCD2;
 --soft: #C8BFB6;
 --radius: 2px;
 --header: 72px;
 --pad: 88px;
 --shadow: none;
 --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
 --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: var(--sans);
 font-size: 17px;
 line-height: 1.8;
 text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; }
p { margin: 0 0 12px; }
h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.25; overflow-wrap: break-word; }
.container { --bs-gutter-x: 24px; width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
 position: fixed;
 inset: 0 0 auto 0;
 z-index: 50;
 background: var(--dark);
 border-bottom: 1px solid rgba(231, 225, 216, 0.14);
}
.site-nav.navbar { padding: 0; background: transparent; }
.nav-bar {
 min-height: var(--header);
 display: flex;
 align-items: center;
 flex-wrap: wrap;
 justify-content: flex-start;
 gap: 12px 18px;
 width: 100%;
}
.brand {
 order: 1;
 font-family: var(--serif);
 font-size: 22px;
 font-weight: 600;
 letter-spacing: 0.02em;
 color: var(--card);
 line-height: 1;
 white-space: nowrap;
}
.brand:hover { color: #fff; }
.nav-cta { order: 2; margin-left: auto; flex: 0 0 auto; }
.nav-toggle { order: 3; }
.navbar-collapse { order: 4; flex-basis: 100%; }
.nav-links { display: flex; align-items: flex-start; flex-direction: column; gap: 2px; margin: 0; list-style: none; padding: 6px 0 12px; }
.nav-links a {
 color: var(--bg);
 font-size: 15px;
 font-weight: 500;
 padding: 8px 0 4px;
 position: relative;
 display: inline-block;
}
.nav-links a:hover { color: #fff; }
.nav-links a.active { font-weight: 700; color: #fff; }
.nav-links a.active::after {
 content: "";
 display: block;
 width: 18px;
 height: 2px;
 margin-top: 4px;
 background: var(--primary);
}
.nav-toggle {
 width: 42px;
 height: 42px;
 border: 1px solid rgba(231, 225, 216, 0.28);
 background: transparent;
 border-radius: var(--radius);
 display: inline-flex;
 flex-direction: column;
 justify-content: center;
 align-items: center;
 gap: 5px;
 padding: 0;
}
.nav-toggle span { display: block; width: 18px; height: 1px; background: var(--card); }
.nav-toggle:focus-visible, .btn-get:focus-visible, .text-link:focus-visible, a:focus-visible, button:focus-visible {
 outline: 2px solid var(--primary);
 outline-offset: 3px;
}
.btn-get, .btn-line, .dock-cta {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 min-height: 44px;
 padding: 10px 16px;
 border-radius: var(--radius);
 border: 1px solid transparent;
 font-size: 15px;
 font-weight: 700;
 line-height: 1.2;
 transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
 cursor: pointer;
 white-space: nowrap;
}
.btn-get, .dock-cta { background: var(--primary); color: var(--card); }
.btn-get:hover, .dock-cta:hover { background: var(--primary-dark); color: #fff; }
.btn-get:active, .btn-line:active, .dock-cta:active { transform: translateY(1px); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-line:hover { background: var(--ink); color: var(--card); }
.arrow { display: inline-block; transition: transform 180ms ease; }
.btn-get:hover .arrow, .text-link:hover .arrow, .dock-cta:hover .arrow { transform: translateX(4px); }
.dock-cta { display: none; }
main { padding-top: var(--header); }
h1, h2, h3, .brand, .mark, .pin-title, .faq-list .accordion-button { font-family: var(--serif); }
.eyebrow, .meta, .status-label, .zone-kicker {
 font-size: 13px;
 color: var(--muted);
 letter-spacing: 0.04em;
}
.eyebrow { color: var(--sage); margin-bottom: 10px; }
.section { padding: var(--pad) 0; }
.section-alt { background: var(--bg-alt); }
.block-lead { max-width: 680px; margin: 12px 0 0; color: var(--ink); }
.tag {
 display: inline-flex;
 align-items: center;
 height: 24px;
 padding: 0 8px;
 border: 1px solid var(--sage);
 color: var(--sage);
 font-size: 12px;
 letter-spacing: 0.06em;
 border-radius: var(--radius);
 white-space: nowrap;
}
.tag.solid { color: var(--primary); border-color: var(--primary); }
.text-link {
 color: var(--primary);
 font-weight: 700;
 display: inline-flex;
 align-items: center;
 gap: 6px;
 width: fit-content;
}
.text-link:hover { color: var(--primary-dark); }
.cat-head { padding: 36px 0 28px; background: var(--bg); border-bottom: 1px solid var(--line); }
.cat-head-grid {
 display: grid;
 grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
 gap: 28px;
 align-items: end;
}
.cat-head h1 { font-size: 48px; font-weight: 560; line-height: 1.2; letter-spacing: 0.01em; }
.h1-line { display: block; }
.stat-side {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 14px 18px;
 padding: 16px 0 16px 18px;
 border-left: 1px solid var(--sage);
}
.num {
 font-family: var(--mono);
 font-variant-numeric: tabular-nums;
 font-size: 28px;
 font-weight: 700;
 line-height: 1.1;
 letter-spacing: -0.03em;
 color: var(--ink);
}
.stat-side .meta { margin: 4px 0 0; }
.topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.topic-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 18px 18px 16px;
 min-height: 168px;
 display: flex;
 flex-direction: column;
 transition: border-color 180ms ease, transform 180ms ease;
}
.topic-card:hover { transform: translateY(-2px); border-color: var(--primary); }
.topic-card h3 { font-size: 24px; margin: 10px 0 8px; }
.topic-card h3 a:hover { color: var(--primary); }
.topic-card p { margin-bottom: 0; }
.topic-card .meta { margin-top: auto; padding-top: 12px; }
.more-line { margin: 18px 0 0; }
.timeline { margin-top: 28px; margin-left: 8px; border-left: 1px solid var(--sage); }
.time-node { position: relative; padding: 0 0 26px 26px; }
.time-node:last-child { padding-bottom: 0; }
.time-node::before {
 content: "";
 width: 8px;
 height: 8px;
 background: var(--primary);
 position: absolute;
 left: -4px;
 top: 10px;
}
.time-node h3 { font-size: 22px; margin-bottom: 4px; }
.time-date { font-family: var(--mono); font-size: 13px; color: var(--sage); letter-spacing: 0.04em; }
.compare-wrap { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.compare-col { padding: 22px 22px 8px; }
.compare-a { background: var(--card); }
.compare-b { background: var(--dark); color: var(--card); }
.compare-b .eyebrow, .compare-b .meta { color: var(--soft); }
.compare-row { padding: 12px 0; border-top: 1px solid var(--line); }
.compare-b .compare-row { border-top-color: rgba(231, 225, 216, 0.18); }
.compare-row strong { display: block; font-size: 15px; font-weight: 700; }
.quote-grid { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.quote {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 20px 18px 16px;
 margin: 0;
}
.quote p { font-family: var(--serif); font-size: 20px; line-height: 1.6; margin-bottom: 14px; }
.quote footer { font-size: 13px; color: var(--muted); }
.step-row { margin-top: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.step {
 background: transparent;
 border: 0;
 border-top: 1px solid var(--sage);
 border-radius: 0;
 padding: 16px 18px 0 0;
 position: relative;
}
.step::before {
 content: "";
 position: absolute;
 left: 0;
 top: -4px;
 width: 7px;
 height: 7px;
 background: var(--primary);
}
.step b { display: block; font-family: var(--serif); font-size: 22px; font-weight: 600; line-height: 1.35; margin-bottom: 6px; }
.step span { display: block; color: var(--muted); font-size: 15px; }
.faq-list { margin-top: 8px; }
.faq-list .accordion-item {
 background: transparent;
 border: 0;
 border-bottom: 1px solid var(--line);
 border-radius: 0;
}
.faq-list .accordion-button {
 background: transparent;
 color: var(--ink);
 box-shadow: none;
 border-radius: 0;
 padding: 20px 0;
 font-size: 20px;
 font-weight: 600;
 line-height: 1.45;
}
.faq-list .accordion-button:not(.collapsed) { color: var(--ink); background: transparent; box-shadow: none; }
.faq-list .accordion-button::after {
 width: 8px;
 height: 8px;
 background-image: none;
 border-right: 1.5px solid var(--ink);
 border-bottom: 1.5px solid var(--ink);
 transform: rotate(45deg);
 margin-left: 16px;
}
.faq-list .accordion-button:not(.collapsed)::after { transform: rotate(-135deg); }
.faq-list .accordion-body { padding: 0 0 18px; color: var(--ink); font-size: 16px; }
.end-sec { background: var(--dark); color: var(--card); padding: 42px 0; }
.end-sec h2 { font-size: 32px; color: var(--card); }
.end-bar { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.end-sec p { margin: 8px 0 0; color: var(--soft); max-width: 560px; }
.site-footer { background: var(--bg); border-top: 1px solid var(--line); padding: 36px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.foot-brand { font-family: var(--serif); font-size: 22px; font-weight: 600; margin-bottom: 6px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.foot-links a { color: var(--ink); font-weight: 500; }
.foot-links a:hover { color: var(--primary); }
.copy { margin: 22px 0 0; color: var(--muted); font-size: 13px; }
@media (min-width: 992px) {
 .navbar-collapse { order: 2; flex: 1 1 auto; flex-basis: auto; }
 .nav-cta { order: 3; }
 .nav-links { flex-direction: row; align-items: center; gap: 22px; padding: 0; margin-left: 8px; }
 .nav-bar { flex-wrap: nowrap; }
}
@media (max-width: 1199.98px) {
 .cat-head h1 { font-size: 42px; }
 h2 { font-size: 30px; }
}
@media (max-width: 991.98px) {
 :root { --pad: 64px; }
 .navbar-collapse {
 background: var(--dark);
 border-top: 1px solid rgba(231, 225, 216, 0.12);
 }
 .cat-head h1 { font-size: 36px; }
 .topic-card h3, .time-node h3, .step b { font-size: 22px; }
}
@media (max-width: 767.98px) {
 :root { --pad: 52px; --header: 64px; }
 .cat-head-grid, .topic-grid, .compare-wrap, .quote-grid, .step-row, .end-bar, .foot-grid { grid-template-columns: 1fr; display: grid; }
 .end-bar, .foot-grid { display: grid; }
 .stat-side { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 16px; }
 .cat-head h1 { font-size: 32px; }
 h2, .end-sec h2 { font-size: 28px; }
 .compare-b { border-top: 1px solid rgba(231, 225, 216, 0.18); }
 .step { border-top: 0; border-left: 1px solid var(--sage); padding: 0 0 22px 16px; }
 .step::before { left: -4px; top: 8px; }
 .quote p { font-size: 18px; }
}
@media (max-width: 575.98px) {
 :root { --pad: 48px; }
 .nav-cta { display: none; }
 .dock-cta {
 display: flex;
 position: fixed;
 left: 0;
 right: 0;
 bottom: 0;
 z-index: 60;
 border-radius: 0;
 min-height: 52px;
 }
 body { padding-bottom: 52px; }
 .container { width: calc(100% - 28px); }
 .cat-head h1 { font-size: 30px; }
 .num { font-size: 24px; }
 .topic-card { min-height: 0; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after {
 animation: none !important;
 transition: none !important;
 }
 .topic-card:hover, .btn-get:active { transform: none; }
}

/* roulang page: category1 */
:root {
 --bg: #E7E1D8;
 --bg-alt: #EFE8DE;
 --ink: #241C19;
 --primary: #C45A32;
 --primary-dark: #A34826;
 --sage: #5E6B66;
 --card: #F7F4EF;
 --dark: #2A2422;
 --muted: #6E655F;
 --line: #E4DCD2;
 --soft: #C8BFB6;
 --radius: 2px;
 --header: 72px;
 --pad: 88px;
 --shadow: none;
 --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
 --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 color-scheme: light;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: var(--sans);
 font-size: 17px;
 line-height: 1.8;
 text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3 { margin: 0; font-weight: 600; }
::selection { background: var(--primary); color: var(--card); }
a:focus-visible, button:focus-visible, select:focus-visible {
 outline: 2px solid var(--primary);
 outline-offset: 3px;
}
.container { --bs-gutter-x: 24px; }
.site-header {
 position: fixed;
 inset: 0 0 auto 0;
 z-index: 50;
 background: var(--dark);
 border-bottom: 1px solid rgba(231, 225, 216, 0.14);
}
.site-nav.navbar { padding: 0; background: transparent; }
.nav-bar {
 min-height: var(--header);
 display: flex;
 align-items: center;
 justify-content: flex-start;
 gap: 18px;
 width: 100%;
}
.brand {
 font-family: var(--serif);
 font-size: 22px;
 font-weight: 600;
 letter-spacing: 0.02em;
 color: var(--card);
 line-height: 1;
 white-space: nowrap;
}
.brand:hover { color: #fff; }
.nav-links { display: flex; align-items: center; gap: 22px; margin: 0; list-style: none; padding: 0; }
.nav-links a {
 color: var(--bg);
 font-size: 15px;
 font-weight: 500;
 padding: 8px 0 4px;
 position: relative;
}
.nav-links a:hover { color: #fff; }
.nav-links a.active { font-weight: 700; color: #fff; }
.nav-links a.active::after {
 content: "";
 display: block;
 width: 18px;
 height: 2px;
 margin-top: 4px;
 background: var(--primary);
}
.nav-cta { margin-left: 8px; flex: 0 0 auto; }
.nav-toggle {
 width: 42px;
 height: 42px;
 border: 1px solid rgba(231, 225, 216, 0.28);
 background: transparent;
 border-radius: var(--radius);
 display: inline-flex;
 flex-direction: column;
 justify-content: center;
 align-items: center;
 gap: 5px;
 padding: 0;
}
.nav-toggle span { display: block; width: 18px; height: 1px; background: var(--card); }
.nav-toggle:hover { border-color: var(--primary); }
.btn-get, .btn-line, .dock-cta {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 min-height: 44px;
 padding: 10px 16px;
 border-radius: var(--radius);
 border: 1px solid transparent;
 font-size: 15px;
 font-weight: 700;
 line-height: 1.2;
 transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
 cursor: pointer;
 text-decoration: none;
}
.btn-get, .dock-cta { background: var(--primary); color: var(--card); }
.btn-get:hover, .dock-cta:hover { background: var(--primary-dark); color: #fff; }
.btn-get:active, .btn-line:active, .dock-cta:active { transform: translateY(1px); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-line:hover { background: var(--ink); color: var(--card); }
.arrow { display: inline-block; transition: transform 180ms ease; }
.btn-get:hover .arrow, .text-link:hover .arrow, .dock-cta:hover .arrow, .more-row:hover .arrow { transform: translateX(4px); }
.dock-cta { display: none; }
main { padding-top: var(--header); }
h1, h2, h3, .brand, .mark, .pin-title, .faq-list .accordion-button, .dir-title, .rel-title {
 font-family: var(--serif);
}
h1 { font-size: 56px; font-weight: 560; line-height: 1.2; letter-spacing: 0; }
h2 { font-size: 32px; line-height: 1.35; }
h3 { font-size: 22px; line-height: 1.4; }
.eyebrow, .meta, .status-label, .zone-kicker {
 font-size: 13px;
 color: var(--muted);
 letter-spacing: 0.04em;
}
.eyebrow { color: var(--sage); margin-bottom: 10px; }
.block { padding: var(--pad) 0; background: var(--bg); }
.block.alt { background: var(--bg-alt); }
.block-lead { max-width: 720px; margin-top: 10px; color: var(--ink); }
.tag {
 display: inline-flex;
 align-items: center;
 height: 24px;
 padding: 0 8px;
 border: 1px solid var(--sage);
 color: var(--sage);
 font-size: 12px;
 letter-spacing: 0.06em;
 border-radius: var(--radius);
 white-space: nowrap;
 background: transparent;
}
.tag.solid { color: var(--primary); border-color: var(--primary); }
.text-link {
 color: var(--primary);
 font-weight: 700;
 display: inline-flex;
 align-items: center;
 gap: 6px;
 width: fit-content;
}
.cat-head { padding: 36px 0 28px; background: var(--bg); border-bottom: 1px solid var(--line); }
.cat-head-grid {
 display: grid;
 grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.72fr);
 gap: 32px;
 align-items: end;
}
.cat-lead { max-width: 640px; margin-top: 12px; color: var(--ink); }
.head-tools {
 display: flex;
 flex-direction: column;
 align-items: flex-end;
 gap: 12px;
}
.sort-label {
 display: flex;
 align-items: center;
 gap: 10px;
 color: var(--muted);
 font-size: 13px;
 letter-spacing: 0.04em;
}
.sort-select {
 height: 36px;
 min-width: 132px;
 padding: 0 28px 0 10px;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 background: var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235E6B66' d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 10px center;
 appearance: none;
}
.sort-select:hover { border-color: var(--primary); }
.chip-row { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.chip {
 height: 28px;
 padding: 0 10px;
 border-radius: var(--radius);
 border: 1px solid var(--sage);
 background: transparent;
 color: var(--sage);
 font-size: 13px;
 letter-spacing: 0.04em;
 transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}
.chip:hover { color: var(--primary); border-color: var(--primary); }
.chip[aria-pressed="true"] { color: var(--card); background: var(--primary); border-color: var(--primary); }
.dir-sheet { border-top: 1px solid var(--line); }
.dir-head, .dir-row {
 display: grid;
 grid-template-columns: minmax(0, 1fr) 168px;
 gap: 18px;
 align-items: center;
}
.dir-head {
 padding: 0 8px 10px;
 color: var(--muted);
 font-size: 13px;
 letter-spacing: 0.06em;
}
.dir-head span:last-child, .dir-side { text-align: right; }
.dir-row {
 min-height: 92px;
 padding: 16px 8px;
 border-bottom: 1px solid var(--line);
 background: transparent;
 border-radius: 0;
 transition: background 180ms ease;
}
.dir-row:hover { background: rgba(196, 90, 50, 0.07); }
.dir-title { display: inline-block; font-size: 22px; font-weight: 600; line-height: 1.4; }
.dir-row:hover .dir-title { color: var(--primary); }
.dir-row p { margin-top: 4px; font-size: 15px; line-height: 1.7; color: var(--ink); }
.dir-side {
 font-family: var(--mono);
 font-size: 13px;
 color: var(--muted);
 font-variant-numeric: tabular-nums;
}
.dir-side time, .dir-side span { display: block; line-height: 1.6; }
.more-row {
 display: flex;
 align-items: center;
 justify-content: flex-end;
 gap: 8px;
 min-height: 56px;
 padding: 8px;
 font-weight: 700;
 color: var(--primary);
 border-bottom: 1px solid var(--line);
}
.more-row:hover { background: rgba(196, 90, 50, 0.07); }
.note-block { padding: 22px 0; background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.note-line { display: flex; align-items: flex-start; gap: 12px; }
.note-line span:last-child { color: var(--ink); }
.rhythm-row, .order-row { list-style: none; display: grid; gap: 0; }
.rhythm-row { grid-template-columns: repeat(4, 1fr); margin-top: 8px; }
.rhythm-row li, .order-row li {
 padding: 16px 18px 0 0;
 border-top: 1px solid var(--sage);
}
.rhythm-row strong, .order-row strong { display: block; margin: 8px 0 4px; font-size: 20px; font-family: var(--serif); font-weight: 600; }
.rhythm-row p, .order-row p { color: var(--ink); font-size: 15px; }
.tick-num {
 font-family: var(--mono);
 font-size: 13px;
 color: var(--sage);
 letter-spacing: 0.08em;
 font-variant-numeric: tabular-nums;
}
.tick-num.tick { animation: tick 180ms ease; }
@keyframes tick {
 from { transform: translateY(4px); opacity: 0.35; }
 to { transform: none; opacity: 1; }
}
.order-row { grid-template-columns: repeat(3, 1fr); margin-top: 8px; }
.order-row a { color: inherit; }
.order-row a:hover strong { color: var(--primary); }
.rel-grid {
 display: grid;
 grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
 grid-template-rows: auto auto;
 gap: 14px;
}
.rel-card {
 display: flex;
 flex-direction: column;
 gap: 10px;
 min-height: 180px;
 padding: 22px 22px 18px;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 transition: border-color 180ms ease, transform 180ms ease;
}
.rel-grid .rel-card:first-child { grid-row: span 2; min-height: 100%; }
.rel-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.rel-title { font-size: 26px; line-height: 1.35; }
.rel-card:first-child .rel-title { font-size: 32px; }
.rel-card p { color: var(--ink); }
.rel-card .meta { margin-top: auto; }
.faq-list .accordion-item {
 background: transparent;
 border: 0;
 border-bottom: 1px solid var(--line);
 border-radius: 0;
}
.faq-list .accordion-button {
 background: transparent;
 color: var(--ink);
 box-shadow: none;
 border-radius: 0;
 padding: 22px 0;
 font-size: 20px;
 font-weight: 600;
 line-height: 1.45;
}
.faq-list .accordion-button:not(.collapsed) { color: var(--primary); background: transparent; box-shadow: none; }
.faq-list .accordion-button:focus { box-shadow: none; border-color: transparent; }
.faq-list .accordion-button::after { width: 12px; height: 12px; background-size: 12px; }
.faq-list .accordion-body { padding: 0 0 18px; color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.8; }
.get-bar { background: var(--dark); color: var(--card); padding: 48px 0; }
.get-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.get-bar h2, .get-bar p { color: var(--card); }
.get-bar p { margin-top: 8px; color: var(--soft); max-width: 640px; }
.site-footer { background: var(--dark); color: var(--bg); padding: 42px 0 28px; border-top: 1px solid rgba(231, 225, 216, 0.14); }
.foot-grid {
 display: flex;
 justify-content: space-between;
 gap: 24px;
 padding-bottom: 18px;
 border-bottom: 1px solid rgba(231, 225, 216, 0.14);
}
.foot-brand { font-family: var(--serif); font-size: 22px; margin: 0 0 6px; color: var(--card); }
.site-footer .meta { color: var(--soft); margin: 0; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.foot-links a { color: var(--bg); font-size: 14px; }
.foot-links a:hover { color: #fff; }
.copy { color: var(--soft); font-size: 13px; margin: 16px 0 0; }
[hidden] { display: none !important; }
@media (max-width: 1199.98px) {
 h1 { font-size: 48px; }
 h2 { font-size: 28px; }
 .rel-card:first-child .rel-title { font-size: 28px; }
 .rhythm-row { grid-template-columns: repeat(2, 1fr); gap: 8px 22px; }
}
@media (min-width: 992px) {
 .navbar-expand-lg .navbar-collapse { display: flex !important; flex: 1 1 auto; }
 .nav-links { margin-left: 12px; }
 .nav-cta { margin-left: auto; }
}
@media (max-width: 991.98px) {
 :root { --header: 64px; }
 .nav-bar { flex-wrap: wrap; gap: 10px; padding-top: 10px; padding-bottom: 10px; }
 #navMain.navbar-collapse { flex: 1 1 100%; }
 .nav-links { flex-direction: column; align-items: flex-start; gap: 0; padding: 6px 0 14px; }
 .nav-links a { display: block; width: 100%; padding: 10px 0; border-bottom: 1px solid rgba(231, 225, 216, 0.12); }
 .nav-cta { margin-left: auto; }
 .cat-head-grid { grid-template-columns: 1fr; gap: 18px; }
 .head-tools, .chip-row { align-items: flex-start; justify-content: flex-start; }
 .rel-grid { grid-template-columns: 1fr; }
 .rel-grid .rel-card:first-child { grid-row: auto; }
}
@media (max-width: 767.98px) {
 :root { --pad: 48px; }
 h1 { font-size: 36px; }
 h2 { font-size: 26px; }
 body { font-size: 16px; }
 .dir-head { display: none; }
 .dir-row { grid-template-columns: 1fr; gap: 8px; }
 .dir-side, .dir-head span:last-child { text-align: left; }
 .dir-side { display: flex; gap: 16px; }
 .rhythm-row, .order-row { grid-template-columns: 1fr; }
 .rhythm-row li, .order-row li { border-top: 0; border-left: 1px solid var(--sage); padding: 4px 0 16px 14px; }
 .get-inner, .foot-grid { flex-direction: column; align-items: flex-start; }
 .rel-title, .rel-card:first-child .rel-title { font-size: 24px; }
}
@media (max-width: 575.98px) {
 h1 { font-size: 32px; }
 .nav-cta { display: none; }
 .dock-cta {
  display: flex;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  border-radius: 0;
  min-height: 52px;
 }
 body { padding-bottom: 64px; }
 .chip-row { gap: 6px; }
 .cat-head { padding-top: 24px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after {
  animation: none !important;
  transition: none !important;
 }
}

/* 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}