/* roulang page: index */
:root {
  --bg: #F3F6FB;
  --surface: #FFFFFF;
  --ink: #1A2332;
  --muted: #5C6B80;
  --blue: #3A6FD8;
  --blue-press: #2F5FC0;
  --blue-soft: #E7F0FF;
  --line: #E1E8F2;
  --coral: #D86B5A;
  --shadow: 0 12px 32px rgba(36, 64, 112, .08);
  --shadow-hover: 0 16px 36px rgba(36, 64, 112, .14);
  --radius: 16px;
  --radius-btn: 10px;
  --max: 1120px;
  --pad: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
h1, h2, h3, h4 { font-weight: 600; line-height: 1.35; color: var(--ink); margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--blue-soft); color: var(--ink); }
.container { max-width: var(--max); }
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}
.site-nav { padding: 0; background: var(--surface); }
.nav-main { min-height: 72px; display: flex; align-items: center; gap: 16px; }
.brand {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0;
  white-space: nowrap;
}
.brand:hover { color: var(--blue); }
.navbar-toggler {
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  padding: 8px 10px;
  background: var(--surface);
}
.navbar-toggler:focus { box-shadow: none; }
.lines {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
}
.lines::before, .lines::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink);
}
.lines::before { top: -6px; }
.lines::after { top: 6px; }
.navbar-nav { align-items: center; gap: 4px; }
.navbar-nav .nav-link {
  color: var(--muted);
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-btn);
}
.navbar-nav .nav-link:hover { color: var(--ink); background: var(--blue-soft); }
.navbar-nav .nav-link.is-active {
  color: var(--ink);
  background: transparent;
  box-shadow: inset 0 -2px 0 var(--coral);
  border-radius: 0;
}
.chip-bar { border-top: 1px solid var(--line); background: var(--surface); }
.chip-scroller {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.chip {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 4px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--coral);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
}
.chip:hover { background: #FDEEEC; border-color: #F0D2CB; }
.block { padding: var(--pad) 0; }
.block-soft { background: var(--blue-soft); }
.block-white { background: var(--surface); }
.block-head { margin-bottom: 28px; }
.block-title { font-size: 30px; margin-bottom: 10px; }
.block-lead { color: var(--muted); max-width: 760px; }
.hero-grid { align-items: center; }
.hero-title { font-size: 40px; max-width: 16em; }
.hero-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin-top: 14px;
  border-radius: 99px;
  background: var(--coral);
}
.hero-sub { margin-top: 16px; font-size: 18px; color: var(--ink); }
.hero-text { margin-top: 12px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.btn-main, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 18px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-main { background: var(--blue); color: #fff; }
.btn-main:hover { background: var(--blue-press); color: #fff; }
.btn-main:active { background: var(--blue-press); transform: translateY(1px); }
.btn-ghost { background: var(--surface); color: var(--blue); border-color: var(--blue); }
.btn-ghost:hover { background: var(--blue-soft); color: var(--blue-press); }
.btn-ghost:active { transform: translateY(1px); }
.cover {
  position: relative;
  height: 280px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,.15), rgba(255,255,255,.82)),
    repeating-linear-gradient(135deg, #E7F0FF 0 14px, #F8FBFF 14px 28px);
}
.cover-kicker {
  position: absolute;
  top: 18px;
  left: 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  background: var(--surface);
  border-radius: 999px;
  padding: 2px 10px;
}
.cover-name {
  position: absolute;
  left: 18px;
  bottom: 46px;
  font-size: 22px;
  font-weight: 600;
}
.cover-meta {
  position: absolute;
  left: 18px;
  bottom: 18px;
  color: var(--muted);
  font-size: 14px;
}
.cover-coral {
  position: absolute;
  right: 18px;
  bottom: 22px;
  width: 36px;
  height: 4px;
  border-radius: 99px;
  background: var(--coral);
}
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare-col {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  border: 1px solid var(--line);
}
.compare-now { border-top: 3px solid var(--blue); }
.compare-col h3 { font-size: 20px; margin-bottom: 16px; }
.point + .point { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.point strong { display: block; font-weight: 600; }
.point span { display: block; color: var(--muted); }
.solution-panel {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  padding: 28px;
}
.solution-grid { display: grid; grid-template-columns: 1.5fr .8fr; gap: 24px; align-items: start; }
.side-note {
  background: var(--bg);
  border-radius: 12px;
  padding: 18px;
  color: var(--muted);
}
.side-note b { display: block; color: var(--ink); font-weight: 600; margin-bottom: 6px; }
.step-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 18px 22px;
  min-height: 180px;
}
.step-no {
  font-variant-numeric: tabular-nums;
  color: var(--coral);
  font-weight: 600;
  font-size: 20px;
  display: block;
  margin-bottom: 8px;
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--muted); }
.scene-grid { display: grid; grid-template-columns: 1.35fr 1.05fr .8fr; gap: 16px; }
.scene {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 220px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.scene:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.scene-lg { background: linear-gradient(180deg, #F7FAFF 0%, #FFFFFF 48%); min-height: 260px; }
.scene-md { min-height: 230px; }
.scene-sm { background: #F8FBFF; }
.scene em { font-style: normal; color: var(--coral); font-size: 13px; font-weight: 600; }
.scene h3 { font-size: 20px; margin: 8px 0; }
.scene p { color: var(--muted); }
.stat-band {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 28px 12px; text-align: center; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b {
  display: block;
  font-size: 36px;
  font-weight: 600;
  color: var(--coral);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat span { color: var(--muted); }
.voice-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.voice {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 24px;
}
.voice q { display: block; font-size: 18px; line-height: 1.7; }
.voice q::before, .voice q::after { content: ""; }
.voice cite { display: block; margin-top: 14px; color: var(--muted); font-style: normal; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.tag {
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-press);
  padding: 6px 14px;
  font-weight: 600;
  font-size: 14px;
}
.topic-list { display: grid; gap: 16px; }
.topic {
  display: grid;
  grid-template-columns: 168px 1fr auto;
  gap: 18px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.topic:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.topic h3 { font-size: 20px; margin-bottom: 4px; }
.topic p { color: var(--muted); }
.topic-link { color: var(--blue); font-weight: 600; white-space: nowrap; }
.topic-link:hover { color: var(--blue-press); }
.mini-cover { height: 96px; border-radius: 12px; }
.news-grid { display: grid; grid-template-columns: 1.3fr .9fr; gap: 18px; align-items: stretch; }
.news-list { display: grid; gap: 12px; }
.news-item, .news-feature {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 16px 18px;
  border: 1px solid transparent;
}
.block-white .news-item, .block-white .news-feature { background: var(--bg); }
.news-item:hover, .news-feature:hover { border-color: #C9D8F5; background: #F8FBFF; }
.news-item time, .news-feature time { color: var(--coral); font-size: 13px; font-weight: 600; }
.news-item h3, .news-feature h3 { font-size: 18px; margin: 4px 0; }
.news-item p, .news-feature p { color: var(--muted); }
.news-feature {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 22px;
  height: 100%;
}
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.metric {
  background: var(--blue-soft);
  border-radius: var(--radius);
  padding: 22px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
}
.metric b {
  font-size: 32px;
  color: var(--coral);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.metric strong { display: block; }
.metric span { color: var(--muted); display: block; }
.bento { display: grid; grid-template-columns: 1.35fr 1fr; grid-template-rows: 1fr 1fr; gap: 16px; }
.bento a {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 18px;
  min-height: 160px;
  background: var(--surface);
  transition: transform .2s ease, box-shadow .2s ease;
}
.bento a:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.bento-main { grid-row: 1 / span 2; min-height: 340px; background:
  linear-gradient(180deg, rgba(255,255,255,.2), #fff 62%),
  repeating-linear-gradient(90deg, #E7F0FF 0 10px, #F8FBFF 10px 20px) !important; }
.bento h3 { font-size: 22px; margin: 8px 0; }
.bento p { color: var(--muted); }
.notice-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.notice { padding: 24px; }
.notice + .notice { border-left: 1px solid var(--line); }
.notice h3 { font-size: 18px; margin-bottom: 12px; box-shadow: inset 0 -2px 0 var(--coral); display: inline-block; }
.notice li { color: var(--muted); padding-left: 14px; position: relative; }
.notice li + li { margin-top: 10px; }
.notice li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  position: absolute;
  left: 0;
  top: .7em;
}
.accordion { --bs-accordion-border-color: var(--line); --bs-accordion-btn-focus-box-shadow: none; --bs-accordion-active-bg: var(--blue-soft); --bs-accordion-active-color: var(--ink); --bs-accordion-btn-color: var(--ink); }
.accordion-item {
  border: 1px solid var(--line) !important;
  border-radius: var(--radius) !important;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.accordion-item + .accordion-item { margin-top: 12px; }
.accordion-button { font-weight: 600; font-size: 16px; padding: 18px 20px; background: var(--surface); color: var(--ink); }
.accordion-button:not(.collapsed) { background: var(--blue-soft); color: var(--ink); box-shadow: none; }
.accordion-button:focus { box-shadow: inset 0 -2px 0 var(--coral); }
.accordion-body { color: var(--muted); padding: 4px 20px 18px; }
.closing-inner {
  background: var(--blue-soft);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.closing-inner h2 { font-size: 28px; margin-bottom: 6px; }
.closing-inner p { color: var(--muted); }
.closing-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.site-footer { background: var(--surface); border-top: 1px solid var(--line); padding: 36px 0 28px; }
.foot-row { display: flex; justify-content: space-between; gap: 20px; align-items: flex-end; }
.foot-note { color: var(--muted); margin-top: 8px; max-width: 640px; }
.foot-top { color: var(--blue); font-weight: 600; }
.foot-top:hover { color: var(--blue-press); }
.copyline { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 1199.98px) {
  .hero-title { font-size: 36px; }
  .block-title { font-size: 28px; }
}
@media (max-width: 991.98px) {
  .navbar-collapse { padding: 8px 0 16px; }
  .navbar-nav { align-items: stretch; }
  .navbar-nav .nav-link.is-active { box-shadow: inset 3px 0 0 var(--coral); }
  .chip-scroller { justify-content: flex-start; }
  .scene-grid, .compare, .solution-grid, .voice-row, .news-grid, .bento, .notice-panel { grid-template-columns: 1fr; }
  .bento-main { grid-row: auto; min-height: 220px; }
  .notice + .notice { border-left: 0; border-top: 1px solid var(--line); }
  .step-row { grid-template-columns: 1fr 1fr; }
  .topic { grid-template-columns: 120px 1fr; }
  .topic-link { grid-column: 2; }
}
@media (max-width: 767.98px) {
  :root { --pad: 40px; }
  .hero-title { font-size: 30px; }
  .block-title, .closing-inner h2 { font-size: 24px; }
  .hero-grid .cover { margin-top: 8px; height: 220px; }
  .stat-row, .metric-grid { grid-template-columns: 1fr 1fr; }
  .stat + .stat { border-left: 0; }
  .stat:nth-child(odd) { border-right: 1px solid var(--line); }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .metric:last-child { grid-column: 1 / -1; }
  .closing-inner { flex-direction: column; align-items: flex-start; padding: 22px; }
  .foot-row { flex-direction: column; align-items: flex-start; }
  .scene { min-height: 0; }
}
@media (max-width: 575.98px) {
  .step-row, .topic { grid-template-columns: 1fr; }
  .topic-link { grid-column: auto; }
  .hero-actions, .closing-actions { flex-direction: column; width: 100%; }
  .hero-actions a, .closing-actions a { width: 100%; }
  .metric { grid-template-columns: 1fr; }
  .cover-name { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category2 */
:root {
  --bg: #F3F6FB;
  --surface: #FFFFFF;
  --ink: #1A2332;
  --muted: #5C6B80;
  --blue: #3A6FD8;
  --blue-press: #2F5FC0;
  --blue-soft: #E7F0FF;
  --line: #E1E8F2;
  --coral: #D86B5A;
  --shadow: 0 12px 32px rgba(36, 64, 112, .08);
  --shadow-hover: 0 16px 36px rgba(36, 64, 112, .14);
  --radius: 16px;
  --radius-btn: 10px;
  --max: 1120px;
  --pad: 72px;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
.container { max-width: var(--max); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-weight: 600; line-height: 1.35; }
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}
.site-nav { padding: 0; background: var(--surface); }
.nav-main { min-height: 72px; display: flex; align-items: center; gap: 16px; }
.brand {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0;
  white-space: nowrap;
}
.brand:hover { color: var(--blue); }
.navbar-toggler {
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  padding: 8px 10px;
  background: var(--surface);
}
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler:hover { background: var(--blue-soft); }
.lines, .lines::before, .lines::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  position: relative;
}
.lines::before, .lines::after {
  content: "";
  position: absolute;
  left: 0;
}
.lines::before { top: -6px; }
.lines::after { top: 6px; }
.navbar-nav { align-items: center; gap: 4px; }
.navbar-nav .nav-link {
  color: var(--muted);
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-btn);
}
.navbar-nav .nav-link:hover { color: var(--ink); background: var(--blue-soft); }
.navbar-nav .nav-link:active { color: var(--blue-press); }
.navbar-nav .nav-link.is-active {
  color: var(--ink);
  background: transparent;
  box-shadow: inset 0 -2px 0 var(--coral);
  border-radius: 0;
}
.chip-bar { border-top: 1px solid var(--line); background: var(--surface); }
.chip-scroller {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.chip {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 4px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--coral);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
}
.chip:hover { background: #FDEEEC; border-color: #F0D2CB; }
.chip:active { background: #F8E4DF; }
.block { padding: var(--pad) 0; }
.block-white { background: var(--surface); }
.block-title { font-size: 30px; margin-bottom: 10px; }
.block-lead { color: var(--muted); max-width: 760px; margin-bottom: 0; }
.btn-main, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 18px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-main { background: var(--blue); color: #fff; }
.btn-main:hover { background: var(--blue-press); color: #fff; }
.btn-main:active { background: var(--blue-press); transform: translateY(1px); }
.btn-ghost { background: var(--surface); color: var(--blue); border-color: var(--blue); }
.btn-ghost:hover { background: var(--blue-soft); color: var(--blue-press); }
.btn-ghost:active { transform: translateY(1px); }
.page-head { padding-top: 28px; padding-bottom: 36px; border-bottom: 1px solid var(--line); }
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 18px;
}
.crumb a { color: var(--blue); font-weight: 600; }
.crumb a:hover { color: var(--blue-press); }
.crumb [aria-current="page"] { color: var(--ink); font-weight: 600; }
.head-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 28px;
}
.page-title {
  font-size: 36px;
  margin-bottom: 0;
  max-width: 16em;
}
.page-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin-top: 14px;
  border-radius: 99px;
  background: var(--coral);
}
.freq-note {
  margin: 0;
  min-width: 168px;
  background: var(--blue-soft);
  color: var(--blue-press);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-weight: 600;
  line-height: 1.6;
}
.freq-note span {
  display: block;
  color: var(--muted);
  font-weight: 400;
  font-size: 14px;
}
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 128px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--line);
}
.tl-item {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 36px;
  position: relative;
  margin-bottom: 16px;
}
.tl-item:last-child { margin-bottom: 0; }
.tl-date {
  text-align: right;
  font-weight: 600;
  color: var(--coral);
  font-variant-numeric: tabular-nums;
  padding-top: 18px;
}
.tl-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}
.block:not(.block-white) .tl-card { background: var(--surface); }
.tl-card::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--coral);
}
.tl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.tl-card h3 { font-size: 18px; margin-bottom: 6px; }
.tl-card p { margin: 0; color: var(--muted); }
.tl-card a { color: var(--ink); }
.tl-card a:hover { color: var(--blue); }
.assist-84 {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(220px, 4fr);
  gap: 18px;
  align-items: start;
}
.point-list, .scene-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.point-list li, .scene-list li, .side-panel, .quote-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.point-list li {
  padding: 16px 18px 16px 20px;
  border-left: 4px solid var(--blue);
}
.block-white .point-list li { background: var(--bg); box-shadow: none; }
.point-list strong, .scene-list strong { display: block; font-size: 17px; margin-bottom: 4px; }
.point-list p, .scene-list p { margin: 0; color: var(--muted); }
.side-panel { padding: 22px 20px; background: var(--blue-soft); border-color: transparent; box-shadow: none; }
.side-panel h3 { font-size: 18px; margin-bottom: 12px; }
.side-panel ul { margin: 0; padding-left: 18px; color: var(--ink); }
.side-panel li + li { margin-top: 8px; }
.scene-list li { padding: 18px 20px; }
.scene-list li:hover { border-color: #C9D8F5; }
.quote-card { padding: 28px 28px 22px; max-width: 860px; }
.quote-card p { font-size: 20px; line-height: 1.7; margin-bottom: 14px; }
.quote-card footer { color: var(--muted); font-weight: 600; }
.num-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.num-item {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 22px 18px;
}
.num-item b {
  display: block;
  color: var(--coral);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.num-item span { color: var(--muted); }
.more-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 18px;
}
.accordion { --bs-accordion-border-color: transparent; --bs-accordion-btn-focus-box-shadow: none; }
.accordion-item {
  border: 1px solid var(--line) !important;
  border-radius: var(--radius) !important;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.accordion-item + .accordion-item { margin-top: 12px; }
.accordion-button {
  font-weight: 600;
  font-size: 16px;
  padding: 18px 20px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: none;
}
.accordion-button:not(.collapsed) {
  background: var(--blue-soft);
  color: var(--ink);
  box-shadow: none;
}
.accordion-button:hover { background: #F7FAFF; }
.accordion-button:focus { box-shadow: none; border-color: transparent; }
.accordion-button::after { filter: none; }
.accordion-body { color: var(--muted); padding: 16px 20px 20px; background: var(--surface); }
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 36px 0 28px;
}
.foot-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}
.foot-note { color: var(--muted); max-width: 640px; margin: 10px 0 0; }
.foot-top {
  flex: 0 0 auto;
  color: var(--blue);
  font-weight: 600;
  border: 1px solid var(--blue);
  border-radius: var(--radius-btn);
  padding: 8px 14px;
  background: var(--surface);
}
.foot-top:hover { background: var(--blue-soft); color: var(--blue-press); }
.copyline { margin: 22px 0 0; color: var(--muted); font-size: 14px; }
@media (max-width: 1199.98px) {
  .page-title { font-size: 32px; }
  .block-title { font-size: 28px; }
}
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--surface);
    padding-bottom: 12px;
  }
  .navbar-nav { align-items: stretch; }
  .navbar-nav .nav-link.is-active { border-radius: var(--radius-btn); box-shadow: inset 3px 0 0 var(--coral); }
  .chip-scroller { justify-content: flex-start; }
  .timeline::before { left: 18px; }
  .tl-item { grid-template-columns: 1fr; gap: 8px; padding-left: 42px; }
  .tl-date { text-align: left; padding-top: 0; }
  .tl-card::before { left: -32px; top: 22px; }
  .assist-84 { grid-template-columns: 1fr; }
}
@media (max-width: 767.98px) {
  :root { --pad: 40px; }
  .head-row, .more-head, .foot-row { flex-direction: column; align-items: flex-start; }
  .page-title { font-size: 28px; }
  .freq-note { width: 100%; }
  .num-bar { grid-template-columns: 1fr; }
  .quote-card p { font-size: 18px; }
  .num-item b { font-size: 30px; }
}
@media (max-width: 575.98px) {
  .brand { font-size: 17px; }
  .block-title { font-size: 24px; }
  .tl-card, .quote-card, .side-panel { padding: 16px; }
  .page-head { padding-top: 20px; }
}

/* roulang page: category1 */
:root {
  --bg: #F3F6FB;
  --surface: #FFFFFF;
  --ink: #1A2332;
  --muted: #5C6B80;
  --blue: #3A6FD8;
  --blue-press: #2F5FC0;
  --blue-soft: #E7F0FF;
  --line: #E1E8F2;
  --coral: #D86B5A;
  --shadow: 0 12px 32px rgba(36, 64, 112, .08);
  --shadow-hover: 0 16px 36px rgba(36, 64, 112, .14);
  --radius: 16px;
  --radius-btn: 10px;
  --max: 1120px;
  --pad: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
h1, h2, h3 { font-weight: 600; line-height: 1.35; margin: 0; color: var(--ink); }
p { margin: 0; }
.container { max-width: var(--max); width: 100%; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}
.site-nav { padding: 0; background: var(--surface); }
.nav-main { min-height: 72px; display: flex; align-items: center; gap: 16px; }
.brand {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0;
  white-space: nowrap;
}
.brand:hover { color: var(--blue); }
.navbar-toggler {
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  padding: 8px 10px;
  background: var(--surface);
  width: 42px;
  height: 38px;
}
.navbar-toggler:focus { box-shadow: none; }
.lines, .lines::before, .lines::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  position: relative;
}
.lines::before, .lines::after {
  content: "";
  position: absolute;
  left: 0;
}
.lines::before { top: -6px; }
.lines::after { top: 6px; }
.navbar-nav { align-items: center; gap: 4px; }
.navbar-nav .nav-link {
  color: var(--muted);
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-btn);
}
.navbar-nav .nav-link:hover { color: var(--ink); background: var(--blue-soft); }
.navbar-nav .nav-link.is-active {
  color: var(--ink);
  background: transparent;
  box-shadow: inset 0 -2px 0 var(--coral);
  border-radius: 0;
}
.chip-bar { border-top: 1px solid var(--line); background: var(--surface); }
.chip-scroller {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.chip {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 4px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--coral);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
}
.chip:hover { background: #FDEEEC; border-color: #F0D2CB; color: var(--coral); }
.block { padding: var(--pad) 0; }
.block-white { background: var(--surface); }
.block-soft { background: var(--bg); }
.page-head {
  background: var(--surface);
  padding: 28px 0 36px;
  border-bottom: 1px solid var(--line);
}
.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 18px;
}
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--blue); }
.crumb [aria-current="page"] { color: var(--ink); font-weight: 600; }
.head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
}
.page-title { font-size: 36px; max-width: 12em; }
.page-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin-top: 14px;
  border-radius: 99px;
  background: var(--coral);
}
.scope { max-width: 340px; color: var(--muted); margin: 0 0 6px; }
.block-title { font-size: 28px; margin-bottom: 18px; }
.filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.block-filter { padding: 22px 0; background: var(--bg); border-bottom: 1px solid var(--line); }
.filters { display: flex; gap: 8px; flex-wrap: nowrap; overflow-x: auto; }
.filter {
  flex: 0 0 auto;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  padding: 6px 16px;
  line-height: 1.6;
}
.filter:hover { border-color: #C9D8F5; background: #F8FBFF; color: var(--ink); }
.filter.is-on {
  color: var(--coral);
  border-color: #F0D2CB;
  background: #FDEEEC;
}
.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  scroll-margin-top: 128px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.cover {
  height: 168px;
  border-radius: 12px;
  display: flex;
  align-items: flex-end;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  background:
    linear-gradient(180deg, rgba(255,255,255,.2), #fff 68%),
    repeating-linear-gradient(90deg, #E7F0FF 0 12px, #F8FBFF 12px 24px);
}
.cover.c2 {
  background:
    linear-gradient(180deg, rgba(255,255,255,.25), #fff 70%),
    repeating-linear-gradient(135deg, #E7F0FF 0 10px, #F4F8FF 10px 20px);
}
.cover.c3 {
  background:
    linear-gradient(180deg, rgba(255,255,255,.2), #fff 72%),
    repeating-linear-gradient(0deg, #E7F0FF 0 14px, #F8FBFF 14px 28px);
}
.info-body { padding-top: 12px; }
.info-body time, .rel-item time {
  color: var(--coral);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.info-body h3 { font-size: 18px; margin: 4px 0 6px; }
.info-body p, .rel-item span { color: var(--muted); }
.mark {
  display: inline-block;
  margin-left: 8px;
  padding: 0 8px;
  border-radius: 999px;
  background: #FDEEEC;
  color: var(--coral);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.7;
  vertical-align: 1px;
}
.more-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.more-list { display: none; }
.more-list.is-open { display: grid; }
.btn-main, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 18px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-main { background: var(--blue); color: #fff; }
.btn-main:hover { background: var(--blue-press); color: #fff; }
.btn-main:active { background: var(--blue-press); transform: translateY(1px); }
.btn-ghost { background: var(--surface); color: var(--blue); border-color: var(--blue); }
.btn-ghost:hover { background: var(--blue-soft); color: var(--blue-press); }
.path-bar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
}
.path-bar h2 { font-size: 22px; margin-bottom: 8px; }
.path-bar p { color: var(--muted); }
.rel-list { display: grid; gap: 12px; }
.rel-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 8px 18px;
  align-items: baseline;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.rel-item strong { font-weight: 600; display: block; }
.rel-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #C9D8F5;
  color: var(--ink);
}
.mini-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.mini-cell {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
}
.mini-num {
  display: block;
  font-size: 40px;
  font-weight: 600;
  color: var(--coral);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.mini-cell span { color: var(--muted); }
.accordion { --bs-accordion-bg: #fff; --bs-accordion-border-color: #E1E8F2; --bs-accordion-btn-color: #1A2332; --bs-accordion-active-bg: #E7F0FF; --bs-accordion-active-color: #1A2332; --bs-accordion-btn-focus-box-shadow: 0 0 0 2px rgba(58,111,216,.25); --bs-accordion-border-radius: 16px; }
.accordion-item {
  border: 1px solid var(--line) !important;
  border-radius: var(--radius) !important;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.accordion-item + .accordion-item { margin-top: 12px; }
.accordion-button {
  font-weight: 600;
  font-size: 16px;
  padding: 18px 20px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: none;
}
.accordion-button:not(.collapsed) {
  background: var(--blue-soft);
  color: var(--ink);
  box-shadow: none;
}
.accordion-button:focus { box-shadow: none; }
.accordion-body { color: var(--muted); padding: 4px 20px 18px; background: var(--surface); }
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 36px 0 28px;
}
.foot-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}
.foot-note { color: var(--muted); max-width: 640px; margin: 8px 0 0; }
.foot-top {
  color: var(--blue);
  font-weight: 600;
  border: 1px solid var(--blue);
  border-radius: var(--radius-btn);
  padding: 8px 14px;
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.foot-top:hover { background: var(--blue-soft); color: var(--blue-press); }
.copyline { color: var(--muted); font-size: 14px; margin: 18px 0 0; }
.anchor { scroll-margin-top: 128px; }
@media (max-width: 1024px) {
  .page-title { font-size: 32px; }
  .block-title { font-size: 26px; }
}
@media (max-width: 991.98px) {
  .navbar-collapse { padding: 4px 0 14px; }
  .navbar-nav { align-items: flex-start; }
  .chip-scroller { justify-content: flex-start; }
  .head-row { flex-direction: column; align-items: flex-start; }
  .scope { max-width: none; }
  .filter-row { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 768px) {
  :root { --pad: 40px; }
  .page-title { font-size: 28px; }
  .block-title { font-size: 22px; }
  .card-grid, .more-list.is-open { grid-template-columns: 1fr; }
  .cover { height: 148px; }
  .mini-num { font-size: 32px; }
  .foot-row { flex-direction: column; }
}
@media (max-width: 520px) {
  .brand { font-size: 17px; }
  .page-title { font-size: 26px; }
  .rel-item { grid-template-columns: 1fr; }
  .more-head { flex-direction: column; align-items: flex-start; }
  .mini-cell { padding: 16px; }
  .info-body h3 { font-size: 17px; }
}

.more-list{display:grid}

/* 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}