/* roulang page: index */
:root {
  --bg: #eef3f8;
  --bg-alt: #f7fafc;
  --paper: #ffffff;
  --ink: #1a2b3c;
  --muted: #5c6d7e;
  --line: #d5e1ec;
  --blue: #2f7de1;
  --blue-deep: #1d5fba;
  --blue-soft: #e7f1fb;
  --rose: #b76b84;
  --rose-soft: #f8eef1;
  --shadow: 0 16px 42px rgba(47, 111, 168, 0.12);
  --shadow-hover: 0 22px 50px rgba(47, 111, 168, 0.18);
  --radius: 14px;
  --btn-radius: 8px;
  --container: 1160px;
  --header-h: 74px;
  --focus: 0 0 0 3px rgba(47, 125, 225, 0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
}
body.appearance-en {
  --rose: #6d7c90;
  --rose-soft: #eef2f6;
  background: #e7eef5;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-deep); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
::selection { background: #d6e7fa; color: var(--ink); }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 28px rgba(47, 111, 168, 0.06);
}
.header-bar {
  height: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}
.logo {
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.logo:hover { color: var(--blue-deep); }
.site-nav { display: flex; justify-content: center; gap: 8px; }
.site-nav a {
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 15px;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
  background: var(--blue);
  color: #fff;
}
.lang-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f4f8fb;
  gap: 2px;
}
.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  line-height: 1.4;
}
.lang-switch button.is-current {
  background: #fff;
  color: var(--rose);
  box-shadow: 0 4px 12px rgba(47, 111, 168, 0.12);
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--btn-radius);
  padding: 7px 12px;
  color: var(--ink);
}
main { counter-reset: block; }
main > section { padding: 80px 0; counter-increment: block; }
main > section:nth-child(odd) { background: var(--paper); }
main > section:nth-child(even) { background: var(--bg-alt); }
main > section :is(h1, h2) {
  margin: 0 0 14px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.3;
}
main > section :is(h1, h2)::before {
  content: counter(block, decimal-leading-zero);
  display: block;
  margin-bottom: 8px;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--rose);
  font-weight: 650;
}
h1 { font-size: clamp(32px, 4vw, 46px); max-width: 16em; }
h2 { font-size: clamp(26px, 3vw, 34px); max-width: 16em; }
h3 { margin: 0 0 8px; font-size: 18px; line-height: 1.45; }
.lead { margin: 0 0 28px; max-width: 760px; color: var(--muted); font-size: 16px; }
.board {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff 0%, #f8fbfe 100%);
  box-shadow: var(--shadow);
  padding: 36px 36px 28px;
  position: relative;
}
.board::after, .corner-card::after {
  content: "";
  position: absolute;
  top: 10px;
  right: 10px;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--rose);
  border-right: 2px solid var(--rose);
}
.brand-kicker {
  display: inline-flex;
  align-items: center;
  margin: 0 0 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--rose-soft);
  color: var(--rose);
  font-size: 13px;
  font-weight: 650;
}
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 28px; }
.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  background: var(--blue);
  color: #fff;
  font-weight: 650;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn:hover { background: var(--blue-deep); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 22px rgba(31, 95, 186, 0.22); }
.btn:active { transform: translateY(0); background: #184f99; }
.btn-ghost { background: #fff; color: var(--blue); border-color: #b9d3f3; }
.btn-ghost:hover { background: var(--blue-soft); color: var(--blue-deep); }
.btn:disabled, .btn.is-disabled {
  background: #b7cbe4;
  color: #f4f8fc;
  border-color: transparent;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.score-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.score-card, .card, .lane, .scene-bar, .news-list li, .quote, .faq-item, .side-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.score-card {
  position: relative;
  padding: 18px 16px 16px 18px;
  min-height: 128px;
}
.score-card::before {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  top: 8px;
  left: 8px;
  border-top: 2px solid var(--rose);
  border-left: 2px solid var(--rose);
}
.score-card span, .meta, .card p, .lane p, .scene-bar p, .news-list p, .check-list, .answer {
  color: var(--muted);
}
.score-card strong {
  display: block;
  margin: 18px 0 4px;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-variant-numeric: tabular-nums;
  font-size: 40px;
  line-height: 1;
  color: var(--rose);
  font-weight: 700;
}
.score-card em { font-style: normal; color: var(--ink); font-weight: 650; }
.lane-grid { display: grid; grid-template-columns: 1.38fr 0.82fr; gap: 18px; }
.lane, .card, .side-card { padding: 22px; position: relative; transition: box-shadow .2s ease; }
.card:hover, .lane:hover, .scene-bar:hover, .news-list li:hover, .quote:hover, .side-card:hover {
  box-shadow: var(--shadow-hover);
}
.lane-index, .badge, .pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--rose);
  background: var(--rose-soft);
}
.lane h3 { margin-top: 12px; font-size: 22px; }
.lane .num {
  font-family: ui-monospace, Consolas, monospace;
  font-variant-numeric: tabular-nums;
  color: var(--rose);
  font-size: 28px;
  font-weight: 700;
  margin-right: 6px;
}
.matrix { display: grid; grid-template-columns: 0.78fr 1.46fr 0.78fr; gap: 18px; align-items: stretch; }
.lane-main { background: linear-gradient(180deg, #fff, #f5f9fd); }
.dim-list { list-style: none; padding: 0; margin: 16px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dim-list li { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: #fff; }
.dim-list b { display: block; color: var(--ink); }
.scene-list { display: grid; gap: 14px; }
.scene-bar {
  display: grid;
  grid-template-columns: 92px 1.1fr 1.6fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  color: var(--ink);
}
.scene-bar strong { font-size: 18px; }
.scene-bar span:last-child { color: var(--blue); font-weight: 650; }
.compare {
  display: grid;
  grid-template-columns: 1fr 160px 1fr;
  gap: 16px;
  align-items: stretch;
}
.side-card .big {
  font-family: ui-monospace, Consolas, monospace;
  font-variant-numeric: tabular-nums;
  font-size: 42px;
  color: var(--rose);
  line-height: 1;
  margin: 8px 0;
}
.mid-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  border: 1px dashed #c5d5e6;
  background: #f8fbfe;
  text-align: center;
  min-height: 180px;
}
.mid-mark b {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 36px;
  color: var(--rose);
  font-variant-numeric: tabular-nums;
}
.wall {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  grid-template-areas: "a b" "a c" "d d";
  gap: 16px;
}
.wall a:nth-child(1) { grid-area: a; }
.wall a:nth-child(2) { grid-area: b; }
.wall a:nth-child(3) { grid-area: c; }
.wall a:nth-child(4) { grid-area: d; }
.wall a {
  display: block;
  color: var(--ink);
  min-height: 150px;
}
.wall a:nth-child(1) { min-height: 320px; background: linear-gradient(180deg, #fff, #f4f8fc); }
.timeline { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 18px 0 0; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 28px;
  height: 2px;
  background: #d5e3f1;
}
.timeline li { padding: 0 14px 0 0; position: relative; }
.timeline li::before {
  content: "";
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--rose);
  display: block;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.timeline time { color: var(--rose); font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.filter-bar { display: grid; gap: 14px; margin-bottom: 18px; }
.filter-line { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filter-line span { width: 64px; color: var(--muted); font-size: 14px; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 14px;
}
.chip:hover { border-color: #9ec2ee; }
.chip.is-active { background: var(--rose-soft); color: var(--rose); border-color: #e3c3cd; }
.chip:disabled { opacity: .45; cursor: not-allowed; }
.result-list { display: grid; gap: 10px; }
.result-list article {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.result-list article.is-hidden { display: none; }
.empty-note { display: none; color: var(--muted); padding: 12px 0; }
.empty-note.show { display: block; }
.news-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.news-list li { display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding: 16px 18px; }
.news-list time { color: var(--rose); font-family: ui-monospace, Consolas, monospace; font-size: 14px; }
.news-list h3 { font-size: 18px; }
.news-list a { color: var(--ink); }
.more-row { margin: 18px 0 0; }
.text-more { font-weight: 750; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.check-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.mark {
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--rose-soft); color: var(--rose); font-size: 13px; font-weight: 700;
}
.qa-grid, .note-grid, .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.qa-item, .faq-item, .quote { padding: 18px 18px 16px; }
.qa-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.qa-item h3, .faq-item h3 { font-size: 17px; }
.quote { margin: 0; }
.quote p { margin: 0 0 10px; color: var(--ink); }
.quote a { font-size: 14px; }
.faq-item h3 { cursor: pointer; }
.faq-item p { margin: 0; }
.intent-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px; align-items: start; }
form { display: grid; gap: 14px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
label { display: grid; gap: 6px; font-size: 14px; font-weight: 650; }
input, select, textarea {
  width: 100%;
  border: 1px solid #c9d8e8;
  background: #fbfdff;
  border-radius: var(--btn-radius);
  padding: 10px 12px;
  outline: none;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible, summary:focus-visible, .chip:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-color: var(--blue);
}
.form-result { margin: 0; min-height: 1.5em; color: var(--blue-deep); font-weight: 650; }
.site-footer { background: #17324d; color: #d5e3ef; padding: 42px 0 28px; }
.site-footer .logo { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr auto; gap: 18px 32px; align-items: start; }
.footer-links { display: flex; gap: 18px; }
.site-footer a { color: #d7e7f6; }
.site-footer p { margin: 10px 0 0; color: #b7c9d8; }
.copy { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.12); padding-top: 16px; font-size: 13px; }
@media (max-width: 1024px) {
  .matrix { grid-template-columns: 1fr; }
  .scene-bar { grid-template-columns: 80px 1fr; }
  .scene-bar span:last-child { grid-column: 2; }
  .compare { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; gap: 18px; }
  .timeline::before { display: none; }
  .score-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-bar { grid-template-columns: 1fr auto auto; gap: 10px; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 10px 16px 16px;
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px; }
  main > section { padding: 48px 0; }
  .board { padding: 22px 18px; }
  .lane-grid, .wall, .qa-grid, .note-grid, .faq-list, .intent-wrap, .footer-grid, .news-list li, .result-list article {
    grid-template-columns: 1fr;
  }
  .wall { grid-template-areas: "a" "b" "c" "d"; }
  .logo { font-size: 15px; white-space: normal; }
}
@media (max-width: 480px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .score-grid, .timeline, .dim-list { grid-template-columns: 1fr; }
  h1 { font-size: 30px; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

.site-nav{display:flex !important;position:static !important;flex-direction:row !important;}

/* roulang page: category1 */
:root {
 --bg: #eef3f8;
 --bg-alt: #f7fafc;
 --paper: #ffffff;
 --ink: #1a2b3c;
 --muted: #5c6d7e;
 --line: #d5e1ec;
 --blue: #2f7de1;
 --blue-deep: #1d5fba;
 --blue-soft: #e7f1fb;
 --rose: #b76b84;
 --rose-soft: #f8eef1;
 --shadow: 0 16px 42px rgba(47, 111, 168, 0.12);
 --shadow-hover: 0 22px 50px rgba(47, 111, 168, 0.18);
 --radius: 14px;
 --btn-radius: 8px;
 --container: 1160px;
 --header-h: 74px;
 --focus: 0 0 0 3px rgba(47, 125, 225, 0.35);
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.75;
 font-size: 16px;
}
body.appearance-en {
 --rose: #6d7c90;
 --rose-soft: #eef2f6;
 background: #e7eef5;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-deep); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus { outline: none; }
:focus-visible { box-shadow: var(--focus); }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 height: var(--header-h);
 background: rgba(255,255,255,.96);
 border-bottom: 1px solid var(--line);
 box-shadow: 0 8px 28px rgba(47, 111, 168, 0.06);
}
.header-bar {
 height: 100%;
 display: grid;
 grid-template-columns: auto 1fr auto;
 align-items: center;
 gap: 24px;
}
.logo {
 color: var(--ink);
 font-weight: 700;
 font-size: 18px;
 letter-spacing: 0.01em;
 white-space: nowrap;
}
.logo:hover { color: var(--blue-deep); }
.site-nav { display: flex; justify-content: center; gap: 8px; }
.site-nav a {
 color: var(--ink);
 padding: 8px 14px;
 border-radius: 999px;
 font-size: 15px;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
 background: var(--blue);
 color: #fff;
}
.lang-switch {
 display: inline-flex;
 align-items: center;
 padding: 3px;
 border: 1px solid var(--line);
 border-radius: 999px;
 background: #f3f7fb;
}
.lang-switch button {
 border: 0;
 background: transparent;
 color: var(--muted);
 border-radius: 999px;
 padding: 5px 10px;
 font-size: 12px;
 line-height: 1.4;
}
.lang-switch button.is-current {
 background: #fff;
 color: var(--rose);
 box-shadow: 0 4px 12px rgba(47, 111, 168, 0.12);
}
.nav-toggle {
 display: none;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: var(--btn-radius);
 padding: 7px 12px;
 color: var(--ink);
}
main { counter-reset: block; }
main > section { padding: 80px 0; counter-increment: block; }
main > section:nth-child(odd) { background: var(--paper); }
main > section:nth-child(even) { background: var(--bg-alt); }
main > section :is(h1, h2) {
 margin: 0 0 14px;
 font-weight: 700;
 letter-spacing: 0;
 line-height: 1.3;
 font-size: 32px;
}
main > section :is(h1, h2)::before {
 content: counter(block, decimal-leading-zero);
 display: block;
 margin-bottom: 8px;
 font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
 font-size: 12px;
 letter-spacing: 0.14em;
 color: var(--rose);
 font-weight: 650;
}
h3 { margin: 0 0 8px; font-size: 20px; line-height: 1.4; }
.lead { margin: 0 0 28px; max-width: 760px; color: var(--muted); font-size: 16px; }
.board::after, .corner-card::after {
 content: "";
 position: absolute;
 top: 10px;
 right: 10px;
 width: 12px;
 height: 12px;
 border-top: 2px solid var(--rose);
 border-right: 2px solid var(--rose);
 pointer-events: none;
}
.brand-kicker, .badge, .pill, .lane-index {
 display: inline-flex;
 align-items: center;
 margin: 0 8px 0 0;
 padding: 2px 8px;
 border-radius: 999px;
 background: var(--rose-soft);
 color: var(--rose);
 font-size: 12px;
 font-weight: 700;
}
.brand-kicker { margin: 0 0 12px; padding: 3px 10px; font-size: 13px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 0; }
.btn, button.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 42px;
 padding: 0 18px;
 border-radius: var(--btn-radius);
 border: 1px solid transparent;
 background: var(--blue);
 color: #fff;
 font-weight: 650;
 transition: background .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover { background: var(--blue-deep); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 22px rgba(31, 95, 186, 0.22); }
.btn:active { transform: translateY(0); background: #184f99; }
.btn-ghost { background: #fff; color: var(--blue); border-color: #b9d3f3; }
.btn-ghost:hover { background: var(--blue-soft); color: var(--blue-deep); }
.btn:disabled, .btn.is-disabled, .chip:disabled {
 background: #d5e0ec;
 color: #8ea0b3;
 border-color: transparent;
 cursor: not-allowed;
 transform: none;
 box-shadow: none;
}
.score-card, .card, .lane, .scene-bar, .news-list li, .quote, .faq-item, .side-card, .entry, .node, .note, .qa-item, .stat-line {
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.card, .lane, .side-card, .entry, .note, .qa-item { padding: 22px; position: relative; transition: box-shadow .2s ease; }
.card:hover, .lane:hover, .scene-bar:hover, .news-list li:hover, .quote:hover, .side-card:hover, .entry:hover, .note:hover, .qa-item:hover {
 box-shadow: var(--shadow-hover);
}
.score-card span, .meta, .card p, .lane p, .scene-bar p, .news-list p, .check-list, .answer, .entry p, .note p, .node p, .stat-line span, .qa-item p {
 color: var(--muted);
}
.head-grid {
 display: grid;
 grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.7fr);
 gap: 28px;
 align-items: end;
}
.head-copy h1 { font-size: 40px; max-width: 16em; }
.side-panel {
 position: relative;
 padding: 18px;
 background: linear-gradient(180deg, #fff, #f4f8fc);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.side-panel h2 {
 margin: 0 0 12px;
 font-size: 14px;
 color: var(--muted);
 font-weight: 650;
}
.side-panel h2::before { content: none; }
.stat-line {
 display: flex;
 justify-content: space-between;
 align-items: baseline;
 padding: 12px 14px;
 margin-top: 10px;
 box-shadow: none;
}
.stat-line strong {
 font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
 font-variant-numeric: tabular-nums;
 font-size: 28px;
 line-height: 1;
 color: var(--rose);
}
.filter-bar {
 display: grid;
 gap: 14px;
 padding: 18px;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 background: #fff;
 box-shadow: var(--shadow);
}
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filter-row b { min-width: 52px; font-size: 14px; }
.chip {
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
 border-radius: 999px;
 padding: 6px 12px;
 font-size: 14px;
 transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.chip:hover { border-color: #b9d3f3; background: var(--blue-soft); }
.chip[aria-pressed="true"] { background: var(--blue); color: #fff; border-color: var(--blue); }
.sheet {
 display: grid;
 grid-template-columns: minmax(0, 1.48fr) minmax(240px, 0.72fr);
 gap: 18px;
 align-items: start;
}
.stack, .side-stack { display: grid; gap: 16px; }
.entry-top, .note-top, .meta-row {
 display: flex;
 flex-wrap: wrap;
 gap: 8px 12px;
 align-items: center;
 margin-bottom: 10px;
}
.meta-row { list-style: none; padding: 0; margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.meta-row li { padding: 4px 8px; border-radius: 8px; background: var(--bg-alt); border: 1px solid var(--line); }
.entry p, .note p, .qa-item p { margin: 0; }
.text-link { display: inline-flex; margin-top: 14px; font-weight: 650; }
.entry.is-hidden { display: none; }
.empty-note {
 display: none;
 margin: 16px 0 0;
 padding: 14px 16px;
 border-radius: 10px;
 background: var(--rose-soft);
 color: var(--ink);
}
.empty-note.show { display: block; }
.timeline {
 position: relative;
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 16px;
}
.timeline::before {
 content: "";
 position: absolute;
 left: 24px;
 right: 24px;
 top: 28px;
 height: 2px;
 background: #c9d9ea;
}
.node { position: relative; padding: 18px 16px 16px; }
.node strong {
 display: block;
 margin-bottom: 8px;
 font-family: ui-monospace, Consolas, monospace;
 font-variant-numeric: tabular-nums;
 color: var(--rose);
}
.node::before {
 content: "";
 position: absolute;
 top: -7px;
 left: 22px;
 width: 12px;
 height: 12px;
 border-radius: 50%;
 background: var(--rose);
 border: 2px solid #fff;
 box-shadow: 0 0 0 2px var(--rose-soft);
}
.cmp-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.cmp-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.cmp-table th, .cmp-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp-table th { background: #f4f8fc; color: var(--ink); font-weight: 700; }
.cmp-table tr:last-child td { border-bottom: 0; }
.cmp-table td:first-child { font-weight: 650; width: 22%; }
.cmp-table td:nth-child(3) { color: var(--blue-deep); background: #f8fbfe; }
.note-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 16px; }
.note-grid .note:first-child { grid-row: span 2; }
.qa-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.qa-item h3 { font-size: 18px; }
.return-bar {
 display: flex;
 justify-content: space-between;
 gap: 18px;
 align-items: center;
 padding: 22px;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 background: #fff;
 box-shadow: var(--shadow);
}
.return-bar p { margin: 0; color: var(--muted); }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 36px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr auto; gap: 12px 32px; align-items: start; }
.footer-grid p { color: var(--muted); margin: 10px 0 0; }
.footer-links { display: flex; gap: 16px; align-items: center; }
.copy { grid-column: 1 / -1; color: var(--muted); font-size: 13px; margin: 8px 0 0; }
@media (max-width: 1024px) {
 main > section :is(h1, h2), .head-copy h1 { font-size: 30px; }
 .note-grid, .qa-list { grid-template-columns: 1fr 1fr; }
 .timeline { grid-template-columns: 1fr 1fr; }
 .timeline::before { display: none; }
 .node::before { top: 18px; left: -4px; }
}
@media (max-width: 768px) {
 .nav-toggle { display: inline-flex; }
 .header-bar { grid-template-columns: 1fr auto auto; gap: 10px; }
 .site-nav {
 display: none;
 position: absolute;
 top: var(--header-h);
 left: 0;
 right: 0;
 flex-direction: column;
 padding: 12px 20px 16px;
 background: #fff;
 border-bottom: 1px solid var(--line);
 box-shadow: var(--shadow);
 }
 .site-nav.is-open { display: flex; }
 .site-nav a { padding: 12px 14px; }
 .head-grid, .sheet, .note-grid, .qa-list, .return-bar, .footer-grid { grid-template-columns: 1fr; display: grid; }
 .return-bar { align-items: flex-start; }
 main > section { padding: 56px 0; }
 .timeline { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
 .container { width: min(var(--container), calc(100% - 28px)); }
 .logo { font-size: 15px; }
 .head-copy h1, main > section :is(h1, h2) { font-size: 26px; }
 .stat-line strong { font-size: 24px; }
 .lang-switch button { padding: 5px 8px; }
 .btn, button.btn { width: 100%; }
 .return-bar .btn-row, .footer-links { width: 100%; }
}

/* roulang page: category2 */
:root {
 --bg: #eef3f8;
 --bg-alt: #f7fafc;
 --paper: #ffffff;
 --ink: #1a2b3c;
 --muted: #5c6d7e;
 --line: #d5e1ec;
 --blue: #2f7de1;
 --blue-deep: #1d5fba;
 --blue-soft: #e7f1fb;
 --rose: #b76b84;
 --rose-soft: #f8eef1;
 --shadow: 0 16px 42px rgba(47, 111, 168, 0.12);
 --shadow-hover: 0 22px 50px rgba(47, 111, 168, 0.18);
 --radius: 14px;
 --btn-radius: 8px;
 --container: 1160px;
 --header-h: 74px;
 --focus: 0 0 0 3px rgba(47, 125, 225, 0.35);
}
/* roulang page: category2 */
:root {
 --bg: #eef3f8;
 --bg-alt: #f7fafc;
 --paper: #ffffff;
 --ink: #1a2b3c;
 --muted: #5c6d7e;
 --line: #d5e1ec;
 --blue: #2f7de1;
 --blue-deep: #1d5fba;
 --blue-soft: #e7f1fb;
 --rose: #b76b84;
 --rose-soft: #f8eef1;
 --shadow: 0 16px 42px rgba(47, 111, 168, 0.12);
 --shadow-hover: 0 22px 50px rgba(47, 111, 168, 0.18);
 --radius: 14px;
 --btn-radius: 8px;
 --container: 1160px;
 --header-h: 74px;
 --focus: 0 0 0 3px rgba(47, 125, 225, 0.35);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.75;
 font-size: 16px;
}
body.appearance-en {
 --rose: #6d7c90;
 --rose-soft: #eef2f6;
 background: #e7eef5;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-deep); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 height: var(--header-h);
 background: rgba(255,255,255,.96);
 border-bottom: 1px solid var(--line);
 box-shadow: 0 8px 28px rgba(47, 111, 168, 0.06);
}
.header-bar {
 height: 100%;
 display: flex;
 align-items: center;
 gap: 24px;
}
.logo {
 color: var(--ink);
 font-weight: 700;
 font-size: 18px;
 letter-spacing: 0.01em;
 white-space: nowrap;
}
.logo:hover { color: var(--blue-deep); }
.site-nav { display: flex; justify-content: center; gap: 8px; flex: 1; }
.site-nav a {
 color: var(--ink);
 padding: 8px 14px;
 border-radius: 999px;
 font-size: 15px;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
 background: var(--blue);
 color: #fff;
}
.lang-switch {
 display: inline-flex;
 align-items: center;
 padding: 3px;
 border: 1px solid var(--line);
 border-radius: 999px;
 background: #f3f7fb;
 gap: 2px;
}
.lang-switch button {
 border: 0;
 background: transparent;
 color: var(--muted);
 border-radius: 999px;
 padding: 5px 10px;
 font-size: 12px;
 line-height: 1.4;
}
.lang-switch button.is-current {
 background: #fff;
 color: var(--rose);
 box-shadow: 0 4px 12px rgba(47, 111, 168, 0.12);
}
.nav-toggle {
 display: none;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: var(--btn-radius);
 padding: 7px 12px;
 color: var(--ink);
}
main { counter-reset: block; }
main > section { padding: 80px 0; counter-increment: block; }
main > section:nth-child(odd) { background: var(--paper); }
main > section:nth-child(even) { background: var(--bg-alt); }
main > section :is(h1, h2) {
 margin: 0 0 14px;
 font-weight: 700;
 letter-spacing: 0;
 line-height: 1.3;
 font-size: 32px;
}
main > section :is(h1, h2)::before {
 content: counter(block, decimal-leading-zero);
 display: block;
 margin-bottom: 8px;
 font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
 font-size: 12px;
 letter-spacing: 0.14em;
 color: var(--rose);
 font-weight: 650;
}
.lead { margin: 0 0 28px; max-width: 760px; color: var(--muted); font-size: 16px; }
.board { position: relative; }
.board::after, .corner-card::after {
 content: "";
 position: absolute;
 top: 10px;
 right: 10px;
 width: 12px;
 height: 12px;
 border-top: 2px solid var(--rose);
 border-right: 2px solid var(--rose);
}
.brand-kicker {
 display: inline-flex;
 align-items: center;
 margin: 0 0 12px;
 padding: 3px 10px;
 border-radius: 999px;
 background: var(--rose-soft);
 color: var(--rose);
 font-size: 13px;
 font-weight: 650;
}
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 0; }
.btn, button.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 42px;
 padding: 0 18px;
 border-radius: var(--btn-radius);
 border: 1px solid transparent;
 background: var(--blue);
 color: #fff;
 font-weight: 650;
 transition: background .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn:hover { background: var(--blue-deep); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 22px rgba(31, 95, 186, 0.22); }
.btn:active { transform: translateY(0); background: #184f99; }
.btn-ghost { background: #fff; color: var(--blue); border-color: #b9d3f3; }
.btn-ghost:hover { background: var(--blue-soft); color: var(--blue-deep); }
.btn:disabled, .btn.is-disabled {
 background: #b7cbe4;
 color: #f4f8fc;
 border-color: transparent;
 cursor: not-allowed;
 transform: none;
 box-shadow: none;
}
.card, .lane, .scene-bar, .news-list li, .quote, .faq-item, .side-card, .cluster-card, .step, .note, .mini-stat {
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.card, .lane, .side-card, .cluster-card, .step, .note { padding: 22px; position: relative; transition: box-shadow .2s ease; }
.card:hover, .lane:hover, .scene-bar:hover, .news-list li:hover, .quote:hover, .side-card:hover, .cluster-card:hover, .step:hover, .note:hover, .rep-list li:hover {
 box-shadow: var(--shadow-hover);
}
.lane-index, .badge, .pill {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: 2px 8px;
 font-size: 12px;
 font-weight: 700;
 color: var(--rose);
 background: var(--rose-soft);
}
.score-card span, .meta, .card p, .lane p, .scene-bar p, .news-list p, .check-list, .answer, .cluster-card p, .step p, .note p, .rep-list p {
 color: var(--muted);
}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: none;
 box-shadow: var(--focus);
}
.head-band {
 display: grid;
 grid-template-columns: minmax(0, 1fr) 280px;
 gap: 20px;
 align-items: stretch;
}
.head-copy {
 position: relative;
 background: linear-gradient(180deg, #fff, #f5f9fd);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 28px 28px 24px;
}
.head-copy h1 { font-size: 36px; max-width: 16em; }
.crumb { margin: 0 0 10px; color: var(--muted); font-size: 13px; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--blue-deep); }
.stat-side { display: grid; gap: 10px; }
.mini-stat {
 position: relative;
 padding: 14px 16px 12px 18px;
 min-height: 0;
 display: grid;
 grid-template-columns: auto 1fr;
 gap: 12px;
 align-items: center;
}
.mini-stat::before {
 content: "";
 position: absolute;
 width: 10px;
 height: 10px;
 top: 8px;
 left: 8px;
 border-top: 2px solid var(--rose);
 border-left: 2px solid var(--rose);
}
.mini-stat strong {
 font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
 font-variant-numeric: tabular-nums;
 font-size: 28px;
 line-height: 1;
 color: var(--rose);
 font-weight: 700;
}
.mini-stat span { color: var(--ink); font-weight: 650; font-size: 14px; }
.cluster-grid {
 display: grid;
 grid-template-columns: 1.15fr 0.85fr;
 gap: 18px;
 align-items: start;
}
.cluster-col { display: grid; gap: 18px; }
.cluster-col.offset { margin-top: 46px; }
.cluster-card h3 { margin: 10px 0 8px; font-size: 22px; line-height: 1.35; }
.cluster-card .meta-row {
 display: flex;
 flex-wrap: wrap;
 gap: 8px;
 margin-bottom: 8px;
}
.cluster-card .meta-row em {
 font-style: normal;
 font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
 font-variant-numeric: tabular-nums;
 font-size: 13px;
 color: var(--ink);
 background: var(--bg-alt);
 border-radius: 999px;
 padding: 2px 8px;
}
.text-link { font-weight: 650; }
.step-track {
 display: grid;
 grid-template-columns: 1.25fr 0.9fr 1.05fr;
 gap: 16px;
}
.step .num {
 display: block;
 font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
 font-variant-numeric: tabular-nums;
 color: var(--rose);
 font-size: 28px;
 line-height: 1;
 margin-bottom: 8px;
}
.step h3 { margin: 0 0 8px; font-size: 18px; }
.rep-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.rep-list li {
 display: grid;
 grid-template-columns: 118px minmax(0, 1fr) auto;
 gap: 16px;
 align-items: center;
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px 18px;
 transition: box-shadow .2s ease;
}
.rep-list time {
 font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
 font-variant-numeric: tabular-nums;
 color: var(--rose);
 font-weight: 700;
 font-size: 13px;
}
.rep-list h3 { margin: 0 0 4px; font-size: 18px; line-height: 1.4; }
.rep-list h3 a { color: var(--ink); }
.rep-list h3 a:hover { color: var(--blue-deep); }
.rep-list p { margin: 0; font-size: 14px; }
.more-row { display: flex; justify-content: flex-end; margin-top: 16px; }
.cmp { display: grid; gap: 10px; }
.cmp-row {
 display: grid;
 grid-template-columns: 1.3fr 0.6fr 0.7fr 0.9fr;
 gap: 8px;
 align-items: center;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 14px 16px;
 box-shadow: var(--shadow);
}
.cmp-row.is-label {
 background: transparent;
 box-shadow: none;
 border-style: dashed;
 color: var(--muted);
 font-size: 13px;
 font-weight: 650;
}
.cmp-row b {
 font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
 font-variant-numeric: tabular-nums;
 font-weight: 700;
 color: var(--rose);
}
.note-grid { display: grid; grid-template-columns: 1.15fr 0.9fr 1fr; gap: 16px; }
.note { border-left: 3px solid var(--rose); }
.note h3 { margin: 0 0 8px; font-size: 18px; }
.form-panel {
 display: grid;
 grid-template-columns: 0.82fr 1.18fr;
 gap: 22px;
 align-items: start;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field span { font-size: 14px; font-weight: 650; }
.field input, .field select, .field textarea {
 width: 100%;
 border: 1px solid var(--line);
 border-radius: var(--btn-radius);
 background: #fff;
 padding: 10px 12px;
 transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #b9d3f3; }
.form-note { margin: 14px 0 0; color: var(--rose); font-weight: 650; }
.form-note[hidden] { display: none; }
.site-footer {
 background: #fff;
 border-top: 1px solid var(--line);
 padding: 36px 0 28px;
}
.footer-grid {
 display: grid;
 grid-template-columns: 1.4fr auto;
 gap: 12px 24px;
 align-items: start;
}
.footer-grid p { color: var(--muted); margin: 8px 0 0; }
.footer-links { display: flex; gap: 16px; align-items: center; }
.copy { grid-column: 1 / -1; color: var(--muted); margin: 8px 0 0; font-size: 13px; }
@media (max-width: 1024px) {
 .head-band { grid-template-columns: 1fr 240px; }
 .step-track, .note-grid { grid-template-columns: 1fr 1fr; }
 .note-grid .note:last-child { grid-column: 1 / -1; }
 .form-panel { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
 .nav-toggle { display: inline-flex; margin-left: auto; }
 .site-header { height: auto; min-height: var(--header-h); }
 .header-bar { min-height: var(--header-h); position: relative; flex-wrap: wrap; }
 .site-nav {
 display: none;
 position: absolute;
 top: 100%;
 left: 0;
 right: 0;
 flex: none;
 flex-direction: column;
 background: #fff;
 border-bottom: 1px solid var(--line);
 padding: 10px 12px 14px;
 box-shadow: var(--shadow);
 z-index: 30;
 }
 .site-nav.is-open { display: flex; }
 .site-nav a { border-radius: 10px; }
 .lang-switch { margin-left: 8px; }
 main > section { padding: 56px 0; }
 main > section :is(h1, h2), .head-copy h1 { font-size: 28px; }
 .head-band, .cluster-grid, .step-track, .note-grid, .form-grid { grid-template-columns: 1fr; }
 .cluster-col.offset { margin-top: 0; }
 .note-grid .note:last-child { grid-column: auto; }
 .rep-list li { grid-template-columns: 1fr; gap: 6px; }
 .cmp-row { grid-template-columns: 1fr 1fr; }
 .cmp-row span:nth-child(1) { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
 .container { width: min(var(--container), calc(100% - 28px)); }
 .logo { font-size: 14px; }
 .lang-switch button { padding: 4px 7px; }
 .head-copy, .cluster-card, .step, .note { padding: 16px; }
 .mini-stat strong { font-size: 24px; }
 .stat-side { grid-template-columns: 1fr; }
 .btn, button.btn { width: 100%; }
 .more-row .btn { width: auto; }
 .footer-grid { grid-template-columns: 1fr; }
}