/* roulang page: index */
:root {
  --bg: #161018;
  --bg-2: #1B1322;
  --panel: #221828;
  --slot: #2C2036;
  --ink: #F4E9D8;
  --muted: #B7A89A;
  --mag: #E23D8C;
  --copper: #3AA38A;
  --sulfur: #E2F06A;
  --amber: #E2A15A;
  --vine: #8B7CFF;
  --ink-deep: #1A1020;
  --line: #F4E9D8;
  --radius: 10px;
  --radius-btn: 8px;
  --shadow: 6px 6px 0 #0C0810;
  --header-h: 112px;
  --header-compact: 64px;
  --serif: "Songti SC", "STSong", "SimSun", "NSimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han 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(--sans);
  font-size: 16.5px;
  line-height: 1.75;
  --bs-body-bg: #161018;
  --bs-body-color: #F4E9D8;
  --bs-primary: #E23D8C;
  --bs-link-color: #E2F06A;
  --bs-link-hover-color: #F4E9D8;
  --bs-border-color: #F4E9D8;
  --bs-border-radius: 10px;
}
img { max-width: 100%; display: block; }
a { color: var(--sulfur); text-decoration: none; }
a:hover { color: var(--ink); }
button, input, select, textarea { font-family: inherit; }
::selection { background: var(--mag); color: var(--ink-deep); }
:focus-visible { outline: 2px solid var(--sulfur); outline-offset: 3px; }
.container { max-width: 1180px; }
h1, h2, h3, .brand {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: 0;
}
h1 { font-size: 44px; margin: 0 0 14px; }
h2 { font-size: 30px; margin: 0; }
h3 { font-size: 20px; margin: 0 0 8px; }
p { margin: 0 0 12px; }
.num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.muted { color: var(--muted); }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--sulfur);
  font-size: 13px;
  letter-spacing: .12em;
  margin-bottom: 10px;
}
.sub {
  color: var(--muted);
  font-size: 15px;
  margin: 8px 0 0;
}
.section-copy { max-width: 760px; margin: 14px 0 22px; color: var(--ink); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  height: var(--header-h);
  background: #161018;
  border-bottom: 2px solid var(--line);
  transition: height 240ms ease;
  overflow: hidden;
}
.head-stack {
  height: var(--header-h);
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: height 240ms ease;
}
.brand-row, .channel-row {
  display: flex;
  align-items: center;
}
.brand-row { height: 64px; justify-content: space-between; gap: 16px; }
.channel-row { height: 48px; gap: 6px 18px; flex-wrap: wrap; }
.brand {
  color: var(--ink);
  font-size: 22px;
  line-height: 1.25;
  max-width: 18em;
}
.brand:hover { color: var(--sulfur); }
.channel-row a {
  color: var(--ink);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 2px;
  border-bottom: 2px solid transparent;
  font-size: 15px;
}
.channel-row a:hover { color: var(--sulfur); border-bottom-color: var(--mag); }
.channel-row a.is-active { color: var(--sulfur); border-bottom-color: var(--mag); }
.nav-toggle {
  display: none;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  border-radius: var(--radius-btn);
  min-height: 40px;
  padding: 6px 12px;
}
.b-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  border: 2px solid var(--ink-deep);
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
  box-shadow: var(--shadow);
}
.b-btn:hover { transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); }
.b-btn:active { transform: translate(0, 1px); box-shadow: 3px 3px 0 #0C0810; }
.b-mag { background: var(--mag); color: var(--ink-deep); }
.b-mag:hover { color: var(--ink-deep); }
.b-copper { background: var(--copper); color: var(--ink); }
.b-copper:hover { color: var(--ink); }
.b-sulfur { background: var(--sulfur); color: var(--ink-deep); }
.b-sulfur:hover { color: var(--ink-deep); }
.site-header.is-compact { height: var(--header-compact); }
.site-header.is-compact .head-stack {
  height: var(--header-compact);
  flex-direction: row;
  align-items: center;
  gap: 18px;
}
.site-header.is-compact .brand-row,
.site-header.is-compact .channel-row { height: var(--header-compact); }
.site-header.is-compact .brand-row { flex: 0 1 auto; min-width: 0; }
.site-header.is-compact .channel-row { flex: 1; justify-content: flex-end; flex-wrap: nowrap; }
.site-header.is-compact .brand { font-size: 16px; white-space: nowrap; max-width: none; }
.site-header.is-compact .channel-row a { font-size: 14px; white-space: nowrap; }
main { display: block; }
.band { padding: 72px 0; }
.band:nth-child(odd) { background: var(--bg); }
.band:nth-child(even) { background: var(--bg-2); }
.panel {
  background-color: var(--panel);
  background-image: repeating-linear-gradient(-45deg, rgba(226,61,140,.07) 0 1px, transparent 1px 8px);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.slot {
  background: var(--slot);
  border-radius: var(--radius);
  border: 2px solid rgba(244,233,216,.38);
}
.zone-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
  flex: 0 0 auto;
}
.z1 { background: var(--mag); }
.z2 { background: var(--copper); }
.z3 { background: var(--amber); }
.z4 { background: var(--vine); }
.metric {
  padding: 18px 16px 16px;
  min-height: 148px;
  position: relative;
}
.metric .label { color: var(--muted); font-size: 14px; }
.metric strong {
  display: block;
  margin-top: 10px;
  font-family: var(--serif);
  font-size: 40px;
  line-height: 1;
  color: var(--sulfur);
}
.metric span { color: var(--muted); font-size: 13px; }
.lane { padding: 18px 16px 16px; min-height: 230px; position: relative; overflow: hidden; }
.lane::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 8px;
}
.lane-1::before { background: var(--mag); }
.lane-2::before { background: var(--copper); }
.lane-3::before { background: var(--amber); }
.lane-4::before { background: var(--vine); }
.lane:hover { transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); }
.lane, .entry-card, .news-row, .type-node, .seal { transition: transform 180ms ease, box-shadow 180ms ease; }
.zone-name { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.compare-row { overflow: hidden; }
.compare-row + .compare-row { margin-top: 12px; }
.side-bad, .side-good { padding: 16px 18px; min-height: 112px; }
.side-bad { background: #2A1C30; }
.side-good { background: #241C2A; border-left: 2px solid var(--line); }
.miss {
  display: inline-block;
  min-width: 1.2em;
  padding: 0 4px;
  margin: 0 2px;
  background: #3A2A44;
  color: var(--sulfur);
  border: 1px dashed var(--mag);
}
.side-label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 6px; }
.mile-track {
  list-style: none;
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 28px 0 0;
  position: relative;
}
.mile-track::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 46px;
  height: 2px;
  background: var(--line);
}
.mile-item { flex: 1; position: relative; padding-top: 8px; }
.mile-item .tick {
  width: 16px; height: 16px;
  border: 2px solid var(--line);
  background: var(--mag);
  display: block;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.mile-item time, .mile-item em { display: block; color: var(--muted); font-style: normal; font-size: 13px; }
.news-feature { padding: 22px; margin-bottom: 14px; }
.news-feature h3 { font-size: 26px; }
.news-row {
  display: grid;
  grid-template-columns: 92px 72px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  margin-bottom: 8px;
}
.news-row:hover { transform: translate(-1px, -2px); }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 13px;
  color: var(--ink);
}
.entry-card {
  display: block;
  color: var(--ink);
  padding: 22px 20px;
  min-height: 220px;
  height: 100%;
}
.entry-card:hover { color: var(--ink); transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); }
.zone-band { padding: 20px; }
.fact-row { display: flex; gap: 12px; flex-wrap: wrap; }
.fact {
  flex: 1 1 180px;
  padding: 14px;
}
.offset-side { margin-top: 36px; padding: 18px; }
.parallel-col { padding: 18px; height: 100%; }
.parallel-col ol, .parallel-col ul { margin: 0; padding-left: 1.1em; }
.parallel-col li { margin: 8px 0; }
.type-grid {
  display: grid;
  grid-template-columns: 1.25fr .85fr 1fr;
  grid-template-areas:
    "a b c"
    "a d e"
    "f f e";
  gap: 12px;
}
.t-a { grid-area: a; }
.t-b { grid-area: b; }
.t-c { grid-area: c; }
.t-d { grid-area: d; }
.t-e { grid-area: e; }
.t-f { grid-area: f; }
.type-node { padding: 16px; min-height: 120px; }
.type-node:hover { transform: translate(-1px, -2px); }
.seal-bar { display: flex; flex-wrap: wrap; border: 2px solid var(--line); box-shadow: var(--shadow); }
.seal {
  flex: 1 1 180px;
  padding: 16px 14px;
  background: var(--panel);
  border-right: 2px solid var(--line);
}
.seal:last-child { border-right: 0; }
.seal strong { display: block; font-family: var(--serif); margin-bottom: 6px; }
.def-list { margin: 0; }
.def-list div {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(244,233,216,.28);
}
.def-list dt { font-family: var(--serif); color: var(--sulfur); }
.def-list dd { margin: 0; }
.accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: transparent; --bs-accordion-btn-focus-box-shadow: none; }
.accordion-item {
  background: var(--panel);
  border: 2px solid var(--line) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow);
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-button {
  background: var(--slot);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  box-shadow: none;
  padding: 16px 18px;
}
.accordion-button:not(.collapsed) { background: #311C38; color: var(--sulfur); }
.accordion-button::after { filter: invert(88%) sepia(16%) saturate(394%) hue-rotate(341deg); }
.accordion-body { background: var(--panel); color: var(--ink); padding: 16px 18px 18px; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(244,233,216,.25);
}
.check-list input { width: 18px; height: 18px; margin-top: 6px; accent-color: var(--mag); }
.sample-form .form-label { color: var(--ink); font-weight: 700; }
.form-control, .form-select {
  background: var(--slot);
  color: var(--ink);
  border: 2px solid rgba(244,233,216,.7);
  border-radius: var(--radius-btn);
  min-height: 46px;
  box-shadow: none;
}
.form-control:focus, .form-select:focus {
  background: var(--slot);
  color: var(--ink);
  border-color: var(--mag);
  box-shadow: 0 0 0 3px rgba(226,61,140,.25);
}
.form-select option { background: #221828; color: var(--ink); }
textarea.form-control { min-height: 120px; }
.form-note {
  margin-top: 14px;
  padding: 12px 14px;
  border: 2px solid var(--copper);
  background: #1C2A26;
  color: var(--ink);
}
.site-footer {
  background: #120E16;
  border-top: 2px solid var(--line);
  padding: 36px 0 28px;
}
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 14px 0; }
.foot-nav a { color: var(--ink); border-bottom: 2px solid transparent; }
.foot-nav a:hover { color: var(--sulfur); border-bottom-color: var(--mag); }
.offcanvas {
  background: #161018;
  color: var(--ink);
  border-left: 2px solid var(--line);
}
.offcanvas-header { border-bottom: 2px solid rgba(244,233,216,.3); }
.offcanvas-title { font-family: var(--serif); font-size: 18px; }
.btn-close { filter: invert(1) grayscale(1); }
.drawer-nav { display: flex; flex-direction: column; gap: 6px; }
.drawer-nav a {
  color: var(--ink);
  padding: 12px 10px;
  border: 2px solid rgba(244,233,216,.3);
  border-radius: var(--radius-btn);
  background: var(--panel);
}
.drawer-nav a.is-active, .drawer-nav a:hover { border-color: var(--mag); color: var(--sulfur); }
@media (min-width: 1200px) {
  .container { max-width: 1180px; }
}
@media (min-width: 1400px) {
  .container { max-width: 1180px; }
}
@media (max-width: 1199.98px) {
  h1 { font-size: 40px; }
  .band { padding: 48px 0; }
}
@media (max-width: 991.98px) {
  .site-header, .site-header.is-compact { height: 64px; }
  .head-stack, .site-header.is-compact .head-stack {
    height: 64px;
    flex-direction: row;
    align-items: center;
  }
  .brand-row, .site-header.is-compact .brand-row { height: 64px; flex: 1; }
  .channel-row, .site-header.is-compact .channel-row { display: none; }
  .nav-toggle { display: inline-flex; }
  .brand, .site-header.is-compact .brand { font-size: 15px; white-space: normal; }
  .side-good { border-left: 0; border-top: 2px solid var(--line); }
  .news-row { grid-template-columns: 1fr; gap: 4px; }
  .def-list div { grid-template-columns: 1fr; gap: 4px; }
  .type-grid { grid-template-columns: 1fr 1fr; grid-template-areas: "a b" "c d" "e f"; }
  .offset-side { margin-top: 12px; }
}
@media (max-width: 767.98px) {
  body { font-size: 16px; }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .band { padding: 36px 0; }
  .mile-track { flex-direction: column; padding-left: 8px; }
  .mile-track::before { left: 15px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .mile-item { padding-left: 28px; }
  .mile-item .tick { margin-left: -28px; }
  .metric strong { font-size: 32px; }
  .seal { border-right: 0; border-bottom: 2px solid var(--line); }
  .type-grid { grid-template-columns: 1fr; grid-template-areas: "a" "b" "c" "d" "e" "f"; }
  .brand { font-size: 14px; }
  .b-btn { padding: 8px 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  .b-btn:hover, .lane:hover, .entry-card:hover, .news-row:hover, .type-node:hover {
    transform: none;
  }
}

/* roulang page: category2 */
:root {
 --bg: #161018;
 --bg-2: #1B1322;
 --panel: #221828;
 --slot: #2C2036;
 --ink: #F4E9D8;
 --muted: #B7A89A;
 --mag: #E23D8C;
 --copper: #3AA38A;
 --sulfur: #E2F06A;
 --amber: #E2A15A;
 --vine: #8B7CFF;
 --ink-deep: #1A1020;
 --line: #F4E9D8;
 --radius: 10px;
 --radius-btn: 8px;
 --shadow: 6px 6px 0 #0C0810;
 --header-h: 112px;
 --header-compact: 64px;
 --serif: "Songti SC", "STSong", "SimSun", "NSimSun", serif;
 --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: var(--sans);
 font-size: 16.5px;
 line-height: 1.75;
 --bs-body-bg: #161018;
 --bs-body-color: #F4E9D8;
 --bs-primary: #E23D8C;
 --bs-link-color: #E2F06A;
 --bs-link-hover-color: #F4E9D8;
 --bs-border-color: #F4E9D8;
 --bs-border-radius: 10px;
 --bs-body-font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
}
img { max-width: 100%; display: block; }
a { color: var(--sulfur); text-decoration: none; }
a:hover { color: var(--ink); }
button, input, select, textarea { font-family: inherit; font-size: 16px; }
.container { max-width: 1180px; }
h1, h2, h3, .brand {
 font-family: var(--serif);
 font-weight: 700;
 line-height: 1.28;
 letter-spacing: 0;
 margin-top: 0;
}
h1 { font-size: 46px; margin-bottom: 8px; }
h2 { font-size: 30px; margin-bottom: 0; }
h3 { font-size: 22px; margin-bottom: 8px; }
p { margin-top: 0; }
.muted { color: var(--muted); }
.num, time, .count, .band-side, .cmp td:last-child { font-variant-numeric: tabular-nums; }
.section-copy { max-width: 760px; margin: 10px 0 18px; color: var(--ink); }
.site-header {
 position: sticky;
 top: 0;
 z-index: 1020;
 height: var(--header-h);
 background: #161018;
 border-bottom: 2px solid var(--line);
 transition: height 240ms ease;
 overflow: hidden;
}
.head-stack { display: flex; flex-direction: column; height: 100%; }
.brand-row, .channel-row { display: flex; align-items: center; }
.brand-row { height: 64px; justify-content: space-between; gap: 16px; }
.channel-row { height: 48px; gap: 6px 18px; flex-wrap: wrap; }
.brand {
 color: var(--ink);
 font-size: 22px;
 line-height: 1.25;
 max-width: 18em;
}
.brand:hover { color: var(--sulfur); }
.brand-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.channel-row a {
 color: var(--ink);
 min-height: 44px;
 display: inline-flex;
 align-items: center;
 padding: 0 2px;
 border-bottom: 2px solid transparent;
 font-size: 15px;
 white-space: nowrap;
}
.channel-row a:hover { color: var(--sulfur); border-bottom-color: var(--mag); }
.channel-row a.is-active { color: var(--sulfur); border-bottom-color: var(--mag); }
.nav-toggle {
 display: none;
 border: 2px solid var(--line);
 background: var(--panel);
 color: var(--ink);
 border-radius: var(--radius-btn);
 min-height: 40px;
 padding: 6px 12px;
 cursor: pointer;
}
.nav-toggle:hover { color: var(--sulfur); }
.b-btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 6px;
 min-height: 42px;
 padding: 8px 16px;
 border-radius: var(--radius-btn);
 border: 2px solid var(--ink-deep);
 font-weight: 700;
 line-height: 1.2;
 cursor: pointer;
 text-decoration: none;
 transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
 box-shadow: var(--shadow);
}
.b-btn:hover { transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); }
.b-btn:active { transform: translate(0, 1px); box-shadow: 3px 3px 0 #0C0810; }
.btn-mag { background: var(--mag); color: var(--ink-deep); }
.btn-sulfur { background: var(--sulfur); color: var(--ink-deep); }
.btn-copper { background: var(--copper); color: var(--ink); }
a.b-btn.btn-mag:hover, a.b-btn.btn-sulfur:hover, button.btn-sulfur:hover { color: var(--ink-deep); }
a.b-btn.btn-copper:hover { color: var(--ink); }
.b-btn[aria-pressed="true"] { background: var(--sulfur); color: var(--ink-deep); }
.site-header.is-compact { height: var(--header-compact); }
.site-header.is-compact .head-stack {
 height: var(--header-compact);
 flex-direction: row;
 align-items: center;
 gap: 18px;
}
.site-header.is-compact .brand-row,
.site-header.is-compact .channel-row { height: var(--header-compact); }
.site-header.is-compact .brand-row { flex: 0 1 auto; min-width: 0; }
.site-header.is-compact .channel-row { flex: 1; justify-content: flex-end; flex-wrap: nowrap; overflow-x: auto; }
.site-header.is-compact .brand { font-size: 16px; white-space: nowrap; max-width: none; }
.site-header.is-compact .channel-row a { font-size: 14px; }
main { display: block; }
.block { padding: 72px 0; background: var(--bg); }
.block-alt { background: var(--bg-2); }
.panel {
 position: relative;
 background-color: var(--panel);
 background-image: repeating-linear-gradient(-45deg, rgba(226,240,106,.05) 0 1px, transparent 1px 10px);
 border: 2px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.page-band { position: relative; }
.page-band::after {
 content: "";
 display: block;
 height: 8px;
 background: linear-gradient(90deg, var(--amber) 0 18%, var(--vine) 18% 36%, transparent 36% 100%);
}
.band-row {
 display: flex;
 justify-content: space-between;
 align-items: flex-end;
 gap: 28px;
 padding: 22px 24px 18px;
}
.crumb { margin-bottom: 10px; color: var(--muted); font-size: 14px; }
.crumb a { color: var(--sulfur); }
.zone-pills { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.pill, .zone-chip, .tag {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: 2px 8px;
 font-size: 13px;
 border: 1px solid var(--line);
 line-height: 1.4;
}
.pill-3, .zone-chip.z3 { background: var(--amber); color: var(--ink-deep); border-color: var(--ink-deep); }
.pill-4, .zone-chip.z4 { background: var(--vine); color: var(--ink-deep); border-color: var(--ink-deep); }
.sub { margin: 0; color: var(--ink); max-width: 36em; }
.band-side { margin: 0; text-align: right; color: var(--muted); min-width: 11em; }
.band-side strong { display: block; color: var(--ink); font-size: 18px; font-family: var(--serif); }
.list-head {
 display: flex;
 justify-content: space-between;
 align-items: baseline;
 gap: 12px;
 margin-bottom: 12px;
 padding-bottom: 8px;
 border-bottom: 2px solid var(--line);
}
.list-head h3 { margin: 0; }
.list-head span { color: var(--muted); font-size: 14px; }
.col-3 { border-top: 6px solid var(--amber); padding-top: 14px; }
.col-4 { border-top: 6px solid var(--vine); padding-top: 14px; }
.line {
 display: grid;
 grid-template-columns: 52px minmax(0, 1.05fr) minmax(0, 1.15fr) auto auto;
 gap: 8px 12px;
 align-items: center;
 padding: 12px;
 margin-bottom: 10px;
 background: var(--slot);
 border: 2px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 transition: transform 180ms ease, box-shadow 180ms ease;
}
.line:hover { transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); }
.raw {
 color: var(--sulfur);
 background: #1A1322;
 border: 1px dashed var(--muted);
 padding: 2px 8px;
 min-height: 34px;
 display: inline-flex;
 align-items: center;
 gap: 4px;
}
.fixed { color: var(--ink); }
.miss {
 display: inline-block;
 width: .9em;
 height: .9em;
 background: var(--mag);
 box-shadow: 2px 0 0 var(--sulfur);
 vertical-align: -0.12em;
}
.count { color: var(--amber); font-weight: 700; }
.col-4 .count { color: var(--vine); }
.status { color: var(--muted); font-size: 14px; white-space: nowrap; }
.sort-bar {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 18px;
 padding: 16px 18px;
 flex-wrap: wrap;
}
.sort-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.sym {
 display: grid;
 grid-template-columns: 72px 1fr;
 gap: 14px;
 align-items: start;
 padding: 16px 18px;
 margin-bottom: 12px;
 background: var(--panel);
 border: 2px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 transition: transform 180ms ease, box-shadow 180ms ease;
}
.sym:hover { transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); }
.sym b {
 font-family: var(--serif);
 font-size: 28px;
 line-height: 1;
 display: block;
}
.sym .k { font-family: var(--serif); color: var(--sulfur); font-size: 20px; display: block; margin-bottom: 4px; }
.sym p { margin: 0; }
.sym-3 .sym b { color: var(--amber); }
.sym-4 {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 12px 16px;
}
.sym-4 .sym { margin: 0; grid-template-columns: 64px 1fr; }
.sym-4 .sym:nth-child(even) { margin-top: 28px; }
.sym-4 .sym b { color: var(--vine); }
.cmp { width: 100%; border-collapse: separate; border-spacing: 0 10px; }
.cmp th, .cmp td {
 text-align: left;
 vertical-align: top;
 padding: 12px 14px;
 background: var(--panel);
 border-top: 2px solid var(--line);
 border-bottom: 2px solid var(--line);
}
.cmp th:first-child, .cmp td:first-child { border-left: 2px solid var(--line); }
.cmp th:last-child, .cmp td:last-child { border-right: 2px solid var(--line); }
.cmp th {
 background: var(--slot);
 color: var(--sulfur);
 font-family: var(--serif);
 font-weight: 700;
 font-size: 16px;
}
.cmp tbody tr:hover td { background: #311C38; }
.mark-3 { color: var(--amber); font-weight: 700; }
.mark-4 { color: var(--vine); font-weight: 700; }
.news-feature { padding: 22px; margin-bottom: 14px; transition: transform 180ms ease, box-shadow 180ms ease; }
.news-feature:hover { transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); }
.news-feature h3 { font-size: 26px; }
.news-row {
 display: grid;
 grid-template-columns: 92px 72px 1fr auto;
 gap: 12px;
 align-items: center;
 padding: 12px 14px;
 margin-bottom: 8px;
 color: var(--ink);
 transition: transform 180ms ease, box-shadow 180ms ease;
}
.news-row:hover { color: var(--ink); transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); }
.tag { color: var(--ink); }
.seal {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 20px;
 padding: 22px 24px;
}
.seal .section-copy { margin-bottom: 0; }
.seal-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.site-footer {
 border-top: 2px solid var(--line);
 background: #120c16;
 padding: 36px 0 28px;
}
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 14px 0; }
.foot-nav a { color: var(--ink); min-height: 44px; display: inline-flex; align-items: center; border-bottom: 2px solid transparent; }
.foot-nav a:hover { color: var(--sulfur); border-bottom-color: var(--mag); }
.offcanvas { background: #221828; color: var(--ink); border-left: 2px solid var(--line); width: min(320px, 88vw); }
.offcanvas-header { border-bottom: 2px solid var(--line); }
.offcanvas-title { font-family: var(--serif); color: var(--ink); }
.btn-close { filter: invert(90%); opacity: 1; }
.drawer-nav { display: flex; flex-direction: column; }
.drawer-nav a {
 display: flex;
 align-items: center;
 min-height: 48px;
 color: var(--ink);
 border-bottom: 1px solid rgba(244,233,216,.28);
 padding: 0 2px;
}
.drawer-nav a:hover, .drawer-nav a.is-active { color: var(--sulfur); }
a:focus-visible, button:focus-visible, .b-btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--sulfur);
 outline-offset: 3px;
}
.lane, .entry-card, .type-node { transition: transform 180ms ease, box-shadow 180ms ease; }
.entry-card {
 display: block;
 color: var(--ink);
 padding: 22px 20px;
 min-height: 180px;
 background: var(--panel);
 border: 2px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.entry-card:hover { color: var(--ink); transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); }
.def-list { margin: 0; }
.def-list div {
 display: grid;
 grid-template-columns: 160px 1fr;
 gap: 16px;
 padding: 14px 0;
 border-bottom: 1px solid rgba(244,233,216,.28);
}
.def-list dt { font-family: var(--serif); color: var(--sulfur); }
.def-list dd { margin: 0; }
.accordion-item {
 background: var(--panel);
 border: 2px solid var(--line) !important;
 border-radius: var(--radius) !important;
 box-shadow: var(--shadow);
 margin-bottom: 12px;
 overflow: hidden;
}
.accordion-button {
 background: var(--slot);
 color: var(--ink);
 font-family: var(--serif);
 font-size: 18px;
 box-shadow: none !important;
 padding: 16px 18px;
}
.accordion-button:not(.collapsed) { background: #311C38; color: var(--sulfur); }
.accordion-button::after { filter: invert(88%) sepia(16%) saturate(394%) hue-rotate(341deg); }
.accordion-body { background: var(--panel); color: var(--ink); padding: 16px 18px 18px; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
 display: grid;
 grid-template-columns: 28px 1fr;
 gap: 10px;
 padding: 12px 0;
 border-bottom: 1px solid rgba(244,233,216,.25);
}
.check-list input { width: 18px; height: 18px; accent-color: var(--mag); margin-top: 6px; }
@media (max-width: 1024px) {
 .block { padding: 48px 0; }
 h1 { font-size: 40px; }
}
@media (max-width: 991.98px) {
 .site-header, .site-header.is-compact { height: 64px; }
 .head-stack { height: 64px; }
 .brand-row { height: 64px; }
 .channel-row { display: none; }
 .nav-toggle { display: inline-flex; }
 .brand { font-size: 16px; }
 .site-header.is-compact .head-stack { flex-direction: row; height: 64px; }
}
@media (max-width: 768px) {
 .block { padding: 36px 0; }
 h1 { font-size: 32px; }
 h2 { font-size: 26px; }
 body { font-size: 16px; }
 .band-row, .seal, .sort-bar { display: block; }
 .band-side { text-align: left; margin-top: 12px; }
 .line { grid-template-columns: 52px 1fr; }
 .line .fixed, .line .count, .line .status { grid-column: 2; }
 .sym { grid-template-columns: 56px 1fr; }
 .sym-4 { grid-template-columns: 1fr; }
 .sym-4 .sym:nth-child(even) { margin-top: 0; }
 .news-row { grid-template-columns: 1fr; gap: 4px; }
 .cmp, .cmp tbody, .cmp tr, .cmp td { display: block; width: 100%; }
 .cmp thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
 .cmp { border-spacing: 0; }
 .cmp tr {
 margin-bottom: 12px;
 box-shadow: var(--shadow);
 border-radius: var(--radius);
 overflow: hidden;
 }
 .cmp td { border: 2px solid var(--line); border-bottom: 0; background: var(--panel); }
 .cmp td:last-child { border-bottom: 2px solid var(--line); }
 .cmp td::before {
 content: attr(data-label);
 display: block;
 color: var(--sulfur);
 font-size: 13px;
 font-family: var(--serif);
 }
 .seal-actions { margin-top: 14px; }
 .def-list div { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 520px) {
 h1 { font-size: 28px; }
 .brand { font-size: 13px; line-height: 1.25; max-width: 11em; }
 .nav-cta { font-size: 12px; padding: 6px 8px; min-height: 36px; }
 .band-row, .news-feature, .seal { padding: 16px; }
 .sym b { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after {
 animation: none !important;
 transition: none !important;
 }
 .b-btn:hover, .line:hover, .news-row:hover, .news-feature:hover, .sym:hover, .entry-card:hover {
 transform: none;
 }
}

/* roulang page: category1 */
:root {
  --bg: #161018;
  --bg-2: #1B1322;
  --panel: #221828;
  --slot: #2C2036;
  --ink: #F4E9D8;
  --muted: #B7A89A;
  --mag: #E23D8C;
  --copper: #3AA38A;
  --sulfur: #E2F06A;
  --amber: #E2A15A;
  --vine: #8B7CFF;
  --ink-deep: #1A1020;
  --line: #F4E9D8;
  --radius: 10px;
  --radius-btn: 8px;
  --shadow: 6px 6px 0 #0C0810;
  --header-h: 112px;
  --header-compact: 64px;
  --serif: "Songti SC", "STSong", "SimSun", "NSimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
}
/* roulang page: category1 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.75;
  background-image: linear-gradient(180deg, rgba(226,61,140,.06), transparent 240px);
  --bs-body-bg: #161018;
  --bs-body-color: #F4E9D8;
  --bs-primary: #E23D8C;
  --bs-link-color: #E2F06A;
  --bs-link-hover-color: #F4E9D8;
  --bs-border-color: #F4E9D8;
  --bs-border-radius: 10px;
}
img { max-width: 100%; display: block; }
a { color: var(--sulfur); text-decoration: none; }
a:hover { color: var(--ink); }
button, input, select, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--sulfur); outline-offset: 3px; }
::selection { background: var(--mag); color: var(--ink-deep); }
.container { max-width: 1180px; width: 100%; }
h1, h2, h3, .brand, .side-label {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: 0;
}
h1 { font-size: 44px; margin: 0 0 10px; }
h2 { font-size: 30px; margin: 0 0 8px; }
h3 { font-size: 22px; margin: 0 0 8px; }
p { margin: 0 0 10px; }
.muted { color: var(--muted); }
.num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.section-copy { max-width: 760px; margin: 8px 0 22px; color: var(--ink); font-size: 16.5px; }
section, article, [id] { scroll-margin-top: 124px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  height: var(--header-h);
  background: #161018;
  border-bottom: 2px solid var(--line);
  transition: height 240ms ease;
  overflow: hidden;
}
.head-stack {
  display: flex;
  flex-direction: column;
  height: var(--header-h);
}
.brand-row, .channel-row { display: flex; align-items: center; }
.brand-row { height: 64px; justify-content: space-between; gap: 16px; }
.channel-row { height: 48px; gap: 6px 18px; flex-wrap: wrap; }
.brand {
  color: var(--ink);
  font-size: 22px;
  line-height: 1.25;
}
.site-header .brand { max-width: 18em; }
.brand:hover { color: var(--sulfur); }
.channel-row a {
  color: var(--ink);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 2px;
  border-bottom: 2px solid transparent;
  font-size: 15px;
}
.channel-row a:hover { color: var(--sulfur); border-bottom-color: var(--mag); }
.channel-row a.is-active { color: var(--sulfur); border-bottom-color: var(--mag); }
.nav-toggle {
  display: none;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  border-radius: var(--radius-btn);
  min-height: 40px;
  padding: 6px 12px;
  cursor: pointer;
}
.nav-toggle:hover { color: var(--sulfur); }
.b-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  border: 2px solid var(--ink-deep);
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
  box-shadow: var(--shadow);
}
.b-btn:hover { transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); color: var(--ink-deep); }
.b-btn:active { transform: translate(0, 1px); box-shadow: 3px 3px 0 #0C0810; }
.btn-sulfur { background: var(--sulfur); color: var(--ink-deep); }
.btn-mag { background: var(--mag); color: var(--ink-deep); }
.btn-mag:hover { color: var(--ink-deep); }
.btn-copper { background: var(--copper); color: var(--ink); }
.btn-copper:hover { color: var(--ink); }
.site-header.is-compact { height: var(--header-compact); }
.site-header.is-compact .head-stack {
  height: var(--header-compact);
  flex-direction: row;
  align-items: center;
  gap: 18px;
}
.site-header.is-compact .brand-row,
.site-header.is-compact .channel-row { height: var(--header-compact); }
.site-header.is-compact .brand-row { flex: 0 1 auto; min-width: 0; }
.site-header.is-compact .channel-row { flex: 1; justify-content: flex-end; flex-wrap: nowrap; }
.site-header.is-compact .brand { font-size: 16px; white-space: nowrap; max-width: none; }
.site-header.is-compact .channel-row a { font-size: 14px; white-space: nowrap; }
.site-header.is-compact .head-cta { min-height: 36px; padding: 6px 10px; box-shadow: 3px 3px 0 #0C0810; }
main { display: block; }
.band { padding: 72px 0; background: var(--bg); }
.band-alt { background: var(--bg-2); }
.panel {
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
}
.panel::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(226,240,106,.35);
  border-radius: 7px;
  pointer-events: none;
}
.mast {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(240px, .82fr);
  gap: 14px;
  align-items: stretch;
}
.mast > * { min-width: 0; position: relative; z-index: 1; }
.mast-main, .mast-side { padding: 22px 22px 18px; }
.crumb { color: var(--muted); font-size: 16px; margin-bottom: 12px; }
.crumb a { color: var(--sulfur); }
.lead { color: var(--ink); font-size: 17px; margin-bottom: 16px; }
.legend { display: flex; gap: 16px; margin: 0 0 16px; color: var(--muted); font-size: 16px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.chip {
  background: var(--slot);
  color: var(--ink);
  border: 2px solid var(--line);
  border-radius: var(--radius-btn);
  min-height: 40px;
  padding: 6px 12px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}
.chip:hover { transform: translate(-1px, -2px); color: var(--sulfur); }
.chip.is-on { background: var(--sulfur); color: var(--ink-deep); border-color: var(--ink-deep); }
.chip.is-on:hover { color: var(--ink-deep); }
.countline { margin: 0; color: var(--muted); }
.side-label { font-size: 24px; margin: 0 0 8px; }
.side-list { list-style: none; margin: 0; padding: 0; }
.side-list li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(244,233,216,.28);
}
.side-list time { color: var(--sulfur); }
.z {
  width: 10px;
  height: 10px;
  display: inline-block;
  margin-right: 6px;
  vertical-align: 0;
}
.z1 { background: var(--mag); }
.z2 { background: var(--copper); }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 13px;
  color: var(--ink);
  background: var(--slot);
}
.stagger {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}
.w7 { grid-column: span 7; }
.w5 { grid-column: span 5; }
.entry {
  padding: 18px 18px 14px;
  height: 100%;
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.entry:hover { transform: translate(-1px, -2px); box-shadow: 7px 8px 0 #0C0810, 1px 0 0 var(--mag); }
.entry > * { position: relative; z-index: 1; }
.entry-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}
.broken {
  display: inline-block;
  letter-spacing: .08em;
  background: var(--slot);
  border: 1px dashed var(--mag);
  padding: 0 6px;
  color: var(--sulfur);
  line-height: 1.6;
}
.swatch {
  display: inline-block;
  width: 2.4em;
  height: .95em;
  margin-right: 6px;
  vertical-align: -1px;
  background: var(--copper);
  border: 1px solid var(--line);
  box-shadow: 2px 0 0 var(--mag);
}
.list-action { margin-top: 16px; }
.empty {
  margin-top: 12px;
  padding: 16px;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
}
.pattern-list { display: flex; flex-direction: column; gap: 12px; }
.pattern {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) minmax(160px, 220px);
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
}
.pattern > * { position: relative; z-index: 1; min-width: 0; }
.pattern-name { font-family: var(--serif); font-size: 20px; margin: 0; }
.pattern-fix { color: var(--sulfur); margin: 0; }
.offset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 22px;
}
.offset-grid > * { min-width: 0; }
.shift { margin-top: 42px; }
.diff-card { padding: 18px 18px 8px; height: 100%; }
.diff-card > * { position: relative; z-index: 1; }
.diff-card ul { margin: 0 0 12px; padding-left: 1.15em; }
.diff-card li { margin: 8px 0; }
.full-note {
  margin-top: 16px;
  padding: 16px 18px;
}
.full-note > * { position: relative; z-index: 1; }
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  margin-bottom: 12px;
}
.compare-row > * { position: relative; z-index: 1; padding: 16px 18px; min-width: 0; }
.compare-bad { background: var(--slot); }
.compare-good { border-left: 2px solid var(--line); }
.col-label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 4px;
}
.fix-name { font-family: var(--serif); font-size: 22px; margin: 0; }
.def-list { margin: 8px 0 0; }
.def-list div {
  display: grid;
  grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(244,233,216,.28);
}
.def-list dt { font-family: var(--serif); color: var(--sulfur); font-size: 18px; }
.def-list dd { margin: 0; }
.rel-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(244,233,216,.28);
}
.rel-row a { font-family: var(--serif); font-size: 20px; color: var(--ink); }
.rel-row a:hover { color: var(--sulfur); }
.seal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 22px;
}
.seal > * { position: relative; z-index: 1; }
.site-footer {
  border-top: 2px solid var(--line);
  background: #120c16;
  padding: 36px 0 42px;
}
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 14px 0; }
.foot-nav a {
  color: var(--ink);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-bottom: 2px solid transparent;
}
.foot-nav a:hover { color: var(--sulfur); border-bottom-color: var(--mag); }
.offcanvas {
  background: #161018;
  color: var(--ink);
  border-left: 2px solid var(--line);
  width: min(340px, 88vw);
}
.offcanvas-header { border-bottom: 2px solid var(--line); }
.offcanvas-title {
  font-family: var(--serif);
  font-size: 18px;
  margin: 0;
  line-height: 1.35;
}
.drawer-nav { display: flex; flex-direction: column; padding-top: 6px; }
.drawer-nav a {
  display: flex;
  align-items: center;
  min-height: 48px;
  color: var(--ink);
  border-bottom: 1px solid rgba(244,233,216,.25);
  font-size: 16px;
}
.drawer-nav a:hover, .drawer-nav a.is-active { color: var(--sulfur); }
@media (max-width: 1024px) {
  .band { padding: 48px 0; }
  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  .pattern { grid-template-columns: 120px minmax(0, 1fr); }
  .pattern-fix { grid-column: 1 / -1; }
}
@media (max-width: 991.98px) {
  .site-header, .site-header.is-compact { height: 64px; }
  .head-stack, .site-header.is-compact .head-stack {
    height: 64px;
    flex-direction: row;
    align-items: center;
  }
  .brand-row, .site-header.is-compact .brand-row { height: 64px; flex: 1; }
  .channel-row { display: none !important; }
  .nav-toggle { display: inline-flex; align-items: center; }
  .site-header .brand, .site-header.is-compact .brand {
    font-size: 15px;
    white-space: normal;
    max-width: 11em;
  }
  .head-cta { min-height: 36px; padding: 6px 10px; box-shadow: 3px 3px 0 #0C0810; }
}
@media (max-width: 768px) {
  .band { padding: 36px 0; }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .mast, .offset-grid, .compare-row, .def-list div { grid-template-columns: 1fr; }
  .w7, .w5 { grid-column: span 12; }
  .shift { margin-top: 0; }
  .compare-good { border-left: 0; border-top: 2px solid var(--line); }
  .seal { align-items: flex-start; }
  body { font-size: 16px; }
}
@media (max-width: 520px) {
  h1 { font-size: 28px; }
  .pattern, .rel-row { grid-template-columns: 1fr; }
  .filters { display: grid; grid-template-columns: 1fr 1fr; }
  .chip { width: 100%; }
  .seal { flex-direction: column; }
  .seal .b-btn { width: 100%; }
  .site-header .brand { font-size: 13px; max-width: 8.6em; }
  .head-cta { font-size: 13px; padding: 6px 8px; }
  .side-list li { grid-template-columns: 64px 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  .b-btn:hover, .entry:hover, .chip:hover { transform: none; }
}

/* 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}