/* roulang page: index */
:root {
  --primary: #3E6794;
  --primary-deep: #345780;
  --secondary: #6E8494;
  --line: #D5DEE8;
  --bg: #F3F6F9;
  --card: #FFFFFF;
  --ink: #1C2430;
  --muted: #5C6770;
  --accent: #3E8C86;
  --accent-soft: #E8F4F3;
  --primary-soft: #E8EEF5;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 28px rgba(28, 36, 48, .08);
  --shadow-hover: 0 10px 28px rgba(28, 36, 48, .12);
  --section-space: 88px;
  --container: 1140px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
}
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 700; line-height: 1.35; letter-spacing: 0; text-transform: none; }
h1 { font-size: 40px; }
h2 { font-size: 28px; }
h3 { font-size: 18px; }
::selection { background: rgba(62, 103, 148, .18); }
::placeholder { color: var(--secondary); opacity: 1; }
.container { max-width: var(--container); }
.site-header { padding: 22px 0 8px; }
.brand-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  min-height: 44px;
}
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(to bottom, transparent 0 7px, var(--primary) 7px 8px),
    #E7EEF5;
  flex: none;
}
.brand-side {
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.brand-side:hover { color: var(--primary-deep); }
.nav-shell { position: sticky; top: 10px; z-index: 30; }
.nav-panel {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px;
}
.nav-pills {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}
.nav-chip {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #F8FBFD;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transition: background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.nav-chip svg { width: 18px; height: 18px; stroke: var(--primary); fill: none; stroke-width: 1.8; flex: none; }
.nav-chip:hover { background: var(--primary-soft); border-color: #b7c7d8; transform: translateY(-2px); }
.nav-chip:active { transform: translateY(0); }
.nav-chip:focus-visible, .btn-solid:focus-visible, .btn-line:focus-visible, .text-link:focus-visible, .cate-mini:focus-visible, .scene-card:focus-visible, .pick-card:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.nav-chip.is-active {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}
.nav-cta { flex: none; }
.btn-solid, .btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  border: 1px solid var(--primary);
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-solid { background: var(--primary); color: #fff; }
.btn-solid:hover { background: var(--primary-deep); color: #fff; transform: translateY(-2px); }
.btn-solid:active, .btn-line:active { transform: translateY(1px); }
.btn-line { background: #fff; color: var(--primary); }
.btn-line:hover { background: var(--primary-soft); color: var(--primary-deep); transform: translateY(-2px); }
.section { padding: var(--section-space) 0; background: #fff; scroll-margin-top: 104px; }
.section-alt { background: var(--bg); }
.kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}
.hero-copy { max-width: 820px; }
.value-line { margin-top: 10px; color: var(--primary); font-weight: 700; font-size: 18px; }
.section-desc { max-width: 780px; margin: 12px 0 28px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.metric-board {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1.35fr 1fr 1.15fr .9fr;
  gap: 20px;
}
.metric-card, .matrix-card, .compare-col, .scene-card, .filter-panel, .news-item, .side-card, .assure-card, .quick-item, .pick-card, .stair-card, .cate-panel, .lead-card, .time-node {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.metric-card { padding: 24px; }
.metric-label { display: block; color: var(--muted); font-size: 14px; }
.metric-card strong {
  display: block;
  margin: 8px 0 10px;
  color: var(--primary);
  font-size: 36px;
  line-height: 1.1;
}
.metric-card p, .card-copy { color: var(--muted); font-size: 14px; line-height: 1.75; }
.matrix-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 22px; }
.matrix-card { padding: 28px; }
.matrix-card.large { grid-row: span 2; display: flex; flex-direction: column; }
.matrix-card.wide { grid-column: 1 / -1; }
.card-copy { margin: 8px 0 14px; }
.point-list { list-style: none; margin: 0; padding: 0; }
.point-list li {
  position: relative;
  padding: 8px 0 8px 16px;
  border-top: 1px solid var(--line);
  font-size: 15px;
}
.point-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  position: absolute;
  left: 0;
  top: 16px;
}
.media-block {
  margin-top: auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(to bottom, transparent 0 14px, rgba(62, 103, 148, .45) 14px 15px),
    linear-gradient(180deg, #F7FAFC, #E6EEF5);
  border: 1px solid var(--line);
}
.media-block.ratio-43 { aspect-ratio: 4 / 3; margin-top: 16px; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  font-style: normal;
  border: 1px solid transparent;
}
.badge-update { color: var(--primary); background: var(--primary-soft); border-color: #c5d3e4; }
.badge-check { color: var(--accent); background: var(--accent-soft); border-color: #c5e2df; }
.badge-archive { color: var(--secondary); background: #F4F7F9; border-color: var(--line); }
.compare-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.compare-col { padding: 28px; }
.compare-col h3 { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.bar-row { margin-top: 14px; }
.bar-row span { display: flex; justify-content: space-between; font-size: 14px; }
.bar-track { height: 8px; background: #E6EDF3; border-radius: 99px; margin-top: 6px; overflow: hidden; }
.bar-fill { display: block; height: 100%; background: var(--primary); border-radius: 99px; }
.bar-fill.soft { background: #B7C6D4; }
.mark { font-weight: 700; }
.mark.ok { color: var(--accent); }
.mark.no { color: var(--secondary); }
.legend { display: flex; gap: 18px; margin-top: 18px; color: var(--muted); font-size: 13px; }
.timeline { display: flex; gap: 18px; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  top: 46px;
  height: 2px;
  background: var(--line);
}
.time-node { position: relative; flex: 1; padding: 22px; }
.time-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #D5E2F0;
  margin-bottom: 12px;
}
.time-node small { display: block; color: var(--muted); font-size: 13px; }
.scene-grid { display: grid; grid-template-columns: 1.15fr .9fr 1fr .95fr; gap: 22px; align-items: start; }
.scene-card { display: block; padding: 24px; color: inherit; min-height: 220px; transition: transform .2s ease, box-shadow .2s ease; }
.scene-card:nth-child(2) { margin-top: 28px; min-height: 260px; }
.scene-card:nth-child(3) { min-height: 230px; }
.scene-card:nth-child(4) { margin-top: 46px; min-height: 248px; }
.scene-card:hover, .pick-card:hover, .cate-mini:hover, .news-item:hover, .matrix-card:hover, .assure-card:hover, .stair-card:hover, .metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.scene-card:active, .pick-card:active, .cate-mini:active { transform: translateY(0); }
.scene-card h3, .pick-card h3, .stair-card h3, .cate-mini h3 { margin: 10px 0; }
.filter-panel { padding: 28px; }
.search-row { display: grid; grid-template-columns: 1.4fr auto; gap: 12px; }
.search-input, .field input, .field textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-sm);
  color: var(--ink);
  padding: 10px 12px;
  font-size: 16px;
}
.field textarea { min-height: 120px; resize: vertical; }
.search-input:focus, .field input:focus, .field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(62, 103, 148, .2);
  outline: none;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.chip {
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
}
.chip.is-on { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }
.chip:hover { border-color: var(--primary); }
.search-note { margin-top: 14px; color: var(--muted); font-size: 14px; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 14px;
  padding: 18px 20px;
  transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
}
.news-item:hover { background: #F8FBFD; }
.news-date { color: var(--primary); font-weight: 700; font-size: 14px; }
.news-item p { color: var(--muted); font-size: 14px; }
.side-card { padding: 24px; }
.side-card ol { margin: 12px 0 0; padding-left: 18px; color: var(--ink); }
.side-card li { margin: 8px 0; }
.text-link { color: var(--primary); font-weight: 700; display: inline-flex; min-height: 44px; align-items: center; }
.text-link:hover { color: var(--primary-deep); }
.list-more { margin-top: 8px; }
.assure-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.1fr .85fr; gap: 20px; }
.assure-card { padding: 24px; transition: transform .2s ease, box-shadow .2s ease; }
.assure-card strong { display: block; color: var(--primary); font-size: 20px; margin-bottom: 8px; }
.quick-list { display: flex; flex-direction: column; gap: 12px; }
.quick-item { padding: 18px 22px; border-left: 4px solid var(--primary); }
.quick-item h3 { font-size: 18px; }
.quick-item p { color: var(--muted); margin-top: 6px; }
.faq-acc .accordion-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
.faq-acc .accordion-button {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  background: #fff;
  box-shadow: none;
  padding: 18px 22px;
  min-height: 56px;
  line-height: 1.45;
}
.faq-acc .accordion-button:not(.collapsed) { background: var(--bg); color: var(--primary); }
.faq-acc .accordion-button:focus { box-shadow: 0 0 0 2px var(--primary); border-color: transparent; }
.faq-acc .accordion-button::after {
  background-image: none;
  content: "+";
  font-size: 24px;
  width: auto;
  height: auto;
  transform: none;
  color: var(--primary);
}
.faq-acc .accordion-button:not(.collapsed)::after { content: "–"; transform: none; }
.faq-acc .accordion-body { background: var(--bg); color: var(--ink); padding: 4px 22px 18px; }
.pick-grid { display: grid; grid-template-columns: 1.45fr 1fr 1fr; grid-auto-rows: 1fr; gap: 22px; }
.pick-card { display: block; padding: 24px; color: inherit; transition: transform .2s ease, box-shadow .2s ease; }
.pick-main { grid-row: span 2; }
.stair { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.stair-card { padding: 24px; transition: transform .2s ease, box-shadow .2s ease; }
.stair-card:nth-child(2) { margin-top: 36px; }
.stair-card:nth-child(3) { margin-top: 72px; }
.stair-card b { color: var(--primary); font-size: 14px; }
.cate-panel { padding: 28px; }
.cate-top { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 18px; }
.cate-grid { display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); gap: 16px; }
.cate-mini {
  display: block;
  background: #F8FBFD;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  min-height: 160px;
  color: inherit;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.cate-mini:hover { background: #fff; }
.lead-card { padding: 32px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 14px; }
.field.full { grid-column: 1 / -1; }
.field-note { color: var(--muted); font-size: 13px; margin-top: 6px; }
.form-success {
  margin-top: 16px;
  background: #F4FBFA;
  border: 1px solid rgba(62, 140, 134, .35);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.form-success.is-sent { background: var(--accent-soft); }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .9fr 1fr .9fr; gap: 24px; }
.foot-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.site-footer p, .site-footer a { color: var(--muted); font-size: 14px; }
.site-footer a { display: inline-flex; min-height: 32px; align-items: center; }
.site-footer a:hover { color: var(--primary); }
.foot-links { display: flex; flex-direction: column; }
.copyright { margin-top: 26px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--secondary); font-size: 13px; }
@media (max-width: 1024px) {
  .nav-pills { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .metric-board, .scene-grid, .assure-grid { grid-template-columns: 1fr 1fr; }
  .scene-card:nth-child(n) { margin-top: 0; }
  .pick-grid { grid-template-columns: 1fr 1fr; }
  .pick-main { grid-row: auto; grid-column: 1 / -1; }
  .cate-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .matrix-grid, .compare-wrap, .form-grid, .news-item { grid-template-columns: 1fr; }
  .matrix-card.large, .matrix-card.wide { grid-row: auto; grid-column: auto; }
  .timeline { flex-direction: column; }
  .timeline::before { left: 28px; right: auto; top: 20px; bottom: 20px; width: 2px; height: auto; }
  .stair { grid-template-columns: 1fr; }
  .stair-card:nth-child(n) { margin-top: 0; }
  .search-row, .cate-top { grid-template-columns: 1fr; display: grid; }
  .cate-grid { grid-template-columns: 1fr; }
}
@media (max-width: 575.98px) {
  body { font-size: 15px; }
  h1 { font-size: 26px; }
  .section { padding: 64px 0; }
  .container { padding-left: 16px; padding-right: 16px; }
  .nav-panel { flex-direction: column; align-items: stretch; }
  .nav-pills { grid-template-columns: 1fr; }
  .nav-cta, .btn-solid, .btn-line { width: 100%; }
  .metric-board, .assure-grid, .foot-grid { grid-template-columns: 1fr; }
  .brand-bar { align-items: flex-start; flex-direction: column; gap: 0; }
  .hero-actions { flex-direction: column; }
}
@media (max-width: 520px) {
  .metric-card strong { font-size: 30px; }
  .faq-acc .accordion-button { font-size: 16px; }
  .news-item { grid-template-columns: 1fr; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category1 */
:root {
 --primary: #3E6794;
 --primary-deep: #345780;
 --secondary: #6E8494;
 --line: #D5DEE8;
 --bg: #F3F6F9;
 --card: #FFFFFF;
 --ink: #1C2430;
 --muted: #5C6770;
 --accent: #3E8C86;
 --accent-soft: #E8F4F3;
 --primary-soft: #E8EEF5;
 --radius: 14px;
 --radius-sm: 10px;
 --shadow: 0 10px 28px rgba(28, 36, 48, .08);
 --shadow-hover: 0 10px 28px rgba(28, 36, 48, .12);
 --section-space: 88px;
 --container: 1140px;
 --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
/* 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(--font);
 font-size: 16px;
 line-height: 1.75;
 font-weight: 400;
 overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 10px; }
h1, h2, h3, h4 { margin: 0; color: var(--ink); font-weight: 700; line-height: 1.35; text-align: left; }
h1 { font-size: 38px; }
h2 { font-size: 26px; }
h3 { font-size: 18px; }
.container { max-width: var(--container); margin: 0 auto; padding-left: 16px; padding-right: 16px; width: 100%; }
.site-header { padding: 22px 0 8px; }
.brand-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--ink); min-height: 44px; }
.logo-mark {
 width: 36px; height: 36px; border-radius: var(--radius-sm); border: 1px solid var(--line); flex: none;
 background: repeating-linear-gradient(to bottom, transparent 0 7px, var(--primary) 7px 8px), #E7EEF5;
}
.brand-side { color: var(--primary); font-size: 14px; font-weight: 700; min-height: 44px; display: inline-flex; align-items: center; }
.brand-side:hover { color: var(--primary-deep); }
.nav-shell { position: sticky; top: 10px; z-index: 30; }
.nav-panel {
 display: flex; align-items: center; gap: 14px; background: var(--card); border: 1px solid var(--line);
 border-radius: var(--radius); box-shadow: var(--shadow); padding: 12px;
}
.nav-pills { flex: 1; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.nav-chip {
 min-height: 44px; display: flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 10px;
 border-radius: var(--radius-sm); border: 1px solid var(--line); background: #F8FBFD; color: var(--ink);
 font-size: 14px; font-weight: 700; transition: background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.nav-chip svg { width: 18px; height: 18px; stroke: var(--primary); fill: none; stroke-width: 1.8; flex: none; }
.nav-chip:hover { background: var(--primary-soft); border-color: #b7c7d8; transform: translateY(-2px); }
.nav-chip:active { transform: translateY(0); }
.nav-chip:focus-visible, .btn-solid:focus-visible, .btn-line:focus-visible, .text-link:focus-visible, .entry-link:focus-visible, .chip:focus-visible, .faq-q:focus-visible, input:focus-visible {
 outline: 2px solid var(--primary); outline-offset: 2px;
}
.nav-chip.is-active { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }
.nav-cta { flex: none; }
.btn-solid, .btn-line {
 display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px;
 border-radius: var(--radius-sm); font-size: 15px; font-weight: 700; border: 1px solid var(--primary); cursor: pointer;
 transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-solid { background: var(--primary); color: #fff; }
.btn-solid:hover { background: var(--primary-deep); color: #fff; transform: translateY(-2px); }
.btn-solid:active, .btn-line:active { transform: translateY(1px); }
.btn-line { background: #fff; color: var(--primary); }
.btn-line:hover { background: var(--primary-soft); color: var(--primary-deep); transform: translateY(-2px); }
.section { padding: var(--section-space) 0; background: #fff; scroll-margin-top: 104px; }
.section-alt { background: var(--bg); }
.section-kicker { display: inline-flex; align-items: center; min-height: 26px; margin-bottom: 10px; color: var(--primary); font-size: 13px; font-weight: 700; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 18px; margin-bottom: 22px; }
.section-desc { max-width: 760px; margin: 10px 0 0; color: var(--muted); font-size: 16px; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; color: var(--secondary); font-size: 13px; }
.crumb a { color: var(--primary); font-weight: 700; min-height: 44px; display: inline-flex; align-items: center; }
.crumb a:hover { color: var(--primary-deep); }
.cate-head-grid { display: grid; grid-template-columns: 1.35fr .9fr; gap: 28px; align-items: start; }
.lead-line { margin-top: 14px; color: var(--muted); font-size: 16px; max-width: 640px; }
.node-line { display: flex; gap: 8px; list-style: none; margin: 18px 0 0; padding: 0; flex-wrap: wrap; }
.node-line li { min-height: 32px; padding: 4px 10px; border-radius: var(--radius-sm); background: var(--primary-soft); color: var(--primary); font-size: 13px; font-weight: 700; }
.filter-card, .entry, .side-card, .scope-row, .spec-panel, .article-item, .order-card, .time-node, .quick-bar, .faq-item, .action-card {
 background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.filter-card { padding: 24px; }
.filter-card h2 { font-size: 18px; margin-bottom: 12px; }
.field { margin-bottom: 12px; }
.field label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 700; }
.field input {
 width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff;
 color: var(--ink); padding: 8px 12px; font-size: 15px; transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(62, 103, 148, .18); }
.hint { color: var(--muted); font-size: 13px; margin-top: 6px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.chip {
 min-height: 36px; padding: 0 12px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: #F8FBFD;
 color: var(--ink); font-size: 13px; font-weight: 700; cursor: pointer; transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.chip:hover { background: var(--primary-soft); transform: translateY(-1px); }
.chip:active { transform: translateY(0); }
.chip.is-on { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }
.summary-list { list-style: none; margin: 8px 0 0; padding: 0; }
.summary-list li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-top: 1px solid var(--line); font-size: 14px; }
.summary-list span { color: var(--muted); }
.board { display: grid; grid-template-columns: 1.45fr .78fr; gap: 22px; align-items: start; min-height: 78vh; }
.entry-col { display: flex; flex-direction: column; gap: 14px; }
.entry {
 display: grid; grid-template-columns: 108px 1fr auto; gap: 14px; align-items: center; padding: 18px 20px;
 border-left: 3px solid var(--primary); transition: background .2s ease, box-shadow .2s ease;
}
.entry:hover { background: #F8FBFD; box-shadow: var(--shadow-hover); }
.entry time { color: var(--secondary); font-size: 13px; font-weight: 700; }
.entry h3 { font-size: 18px; margin-bottom: 4px; }
.entry p, .muted { color: var(--muted); font-size: 14px; margin: 0; }
.entry-link { color: var(--ink); }
.entry-link:hover { color: var(--primary); }
.spec-side { position: sticky; top: 118px; display: flex; flex-direction: column; gap: 16px; }
.side-card { padding: 22px; transition: transform .2s ease, box-shadow .2s ease; }
.side-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.side-card h3 { margin-bottom: 8px; }
.badge {
 display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px; border-radius: var(--radius-sm);
 font-size: 13px; font-weight: 700; border: 1px solid transparent; line-height: 1.2;
}
.badge-update { color: var(--primary); background: var(--primary-soft); border-color: #c5d3e4; }
.badge-check { color: var(--accent); background: var(--accent-soft); border-color: #c5e2df; }
.badge-archive { color: var(--secondary); background: #F4F7F9; border-color: var(--line); }
.point-list { list-style: none; margin: 0; padding: 0; }
.point-list li { position: relative; padding: 8px 0 8px 16px; border-top: 1px solid var(--line); font-size: 15px; }
.point-list li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); position: absolute; left: 0; top: 16px; }
.media-block {
 aspect-ratio: 16 / 9; border-radius: var(--radius); border: 1px solid var(--line); margin-top: 14px;
 background: repeating-linear-gradient(to bottom, transparent 0 14px, rgba(62, 103, 148, .45) 14px 15px), linear-gradient(180deg, #F7FAFC, #E6EEF5);
}
.scope-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 22px; align-items: start; }
.scope-stack { display: flex; flex-direction: column; gap: 14px; }
.scope-row { display: grid; grid-template-columns: 72px 1fr; gap: 12px; padding: 22px 24px; transition: transform .2s ease, box-shadow .2s ease; }
.scope-row:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.scope-no { color: var(--primary); font-size: 22px; font-weight: 700; line-height: 1.2; }
.scope-row p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.spec-panel { padding: 28px; }
.bar-row { margin-top: 18px; }
.bar-row header { display: flex; justify-content: space-between; gap: 12px; font-size: 15px; font-weight: 700; }
.bar-row p { margin: 4px 0 0; }
.bar { height: 8px; margin-top: 8px; background: #E6EEF5; border-radius: var(--radius-sm); overflow: hidden; }
.bar span { display: block; height: 100%; border-radius: inherit; }
.bar .full { width: 64%; background: var(--primary); }
.bar .check { width: 23%; background: var(--accent); }
.bar .archive { width: 13%; background: var(--secondary); }
.legend { display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); font-size: 13px; }
.legend i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: 6px; }
.dot-full { background: var(--primary); }
.dot-check { background: var(--accent); }
.dot-archive { background: var(--secondary); }
.related-grid { display: grid; grid-template-columns: 1.4fr .72fr; gap: 22px; }
.article-col { display: flex; flex-direction: column; gap: 12px; }
.article-item {
 display: grid; grid-template-columns: 42px 1fr auto; gap: 12px; align-items: center; padding: 16px 18px;
 border-left: 3px solid var(--primary); transition: background .2s ease;
}
.article-item:hover { background: #F8FBFD; }
.idx { width: 42px; height: 42px; border-radius: var(--radius-sm); background: var(--primary-soft); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; }
.order-card { padding: 24px; }
.stair { list-style: none; margin: 12px 0 0; padding: 0; }
.stair li { padding: 12px 0 12px 14px; border-left: 2px solid var(--line); margin-left: 6px; }
.stair strong { display: block; color: var(--ink); }
.timeline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.time-node { padding: 22px; min-height: 180px; transition: transform .2s ease, box-shadow .2s ease; }
.time-node:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.time-node em { display: inline-flex; margin-bottom: 8px; color: var(--primary); font-style: normal; font-size: 13px; font-weight: 700; }
.quick-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.quick-bar { display: grid; grid-template-columns: 300px 1fr; gap: 18px; padding: 16px 20px; align-items: center; }
.quick-bar h3 { font-size: 16px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { overflow: hidden; }
.faq-item h3 { margin: 0; font-size: 16px; }
.faq-q {
 width: 100%; text-align: left; background: #fff; border: 0; min-height: 52px; display: flex; justify-content: space-between;
 align-items: center; gap: 12px; padding: 14px 18px; font-weight: 700; font-size: 16px; color: var(--ink); cursor: pointer;
}
.faq-q:hover { background: #F8FBFD; }
.faq-mark { width: 18px; height: 18px; position: relative; flex: none; }
.faq-mark::before, .faq-mark::after { content: ""; position: absolute; background: var(--primary); border-radius: 1px; }
.faq-mark::before { width: 12px; height: 2px; left: 3px; top: 8px; }
.faq-mark::after { width: 2px; height: 12px; left: 8px; top: 3px; transition: transform .2s ease; }
.faq-q[aria-expanded="true"] .faq-mark::after { transform: scaleY(0); }
.faq-a { padding: 0 18px 16px; background: #F3F6F9; color: var(--muted); font-size: 15px; }
.action-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; }
.action-card { padding: 28px; }
.action-card.emphasis { border-top: 3px solid var(--primary); }
.action-card p { color: var(--muted); }
.action-card .btn-solid, .action-card .btn-line { margin-top: 8px; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 28px; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1.1fr .9fr; gap: 24px; }
.foot-name { color: var(--ink); font-weight: 700; font-size: 16px; margin-bottom: 10px; }
.foot-links { display: flex; flex-direction: column; gap: 4px; }
.foot-links a { color: var(--secondary); min-height: 44px; display: inline-flex; align-items: center; font-size: 14px; }
.foot-links a:hover { color: var(--primary); }
.copyright { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; color: var(--secondary); }
@media (max-width: 1024px) {
 .cate-head-grid, .board, .scope-layout, .related-grid, .action-grid { grid-template-columns: 1fr; }
 .spec-side { position: static; }
 .nav-panel { flex-wrap: wrap; }
 .nav-pills { grid-template-columns: repeat(3, minmax(0, 1fr)); }
 .timeline { grid-template-columns: 1fr 1fr; }
 .board { min-height: 0; }
}
@media (max-width: 768px) {
 .nav-pills { grid-template-columns: repeat(2, minmax(0, 1fr)); }
 .entry, .article-item, .quick-bar, .scope-row { grid-template-columns: 1fr; }
 .section-head, .foot-grid { display: grid; grid-template-columns: 1fr 1fr; }
 .section { padding: 72px 0; }
 h1 { font-size: 30px; }
 h2 { font-size: 24px; }
}
@media (max-width: 520px) {
 .nav-panel { flex-direction: column; align-items: stretch; }
 .nav-pills, .timeline, .foot-grid, .section-head { grid-template-columns: 1fr; }
 .nav-cta, .action-card .btn-solid, .action-card .btn-line { width: 100%; }
 h1 { font-size: 26px; }
 body { font-size: 15px; }
 .section { padding: 56px 0; }
 .brand-logo { font-size: 16px; }
}

/* 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}