/* roulang page: index */
:root {
  --bg: #1a1014;
  --bg-2: #241418;
  --bg-3: #2e1b22;
  --card: #3c262c;
  --card-deep: #321f25;
  --ink: #f7f1ea;
  --muted: #c9a8ae;
  --line: rgba(243, 215, 196, 0.16);
  --plum: #7a3e6d;
  --coral: #e07a6a;
  --sand: #f3d7c4;
  --bud: #e7d48a;
  --bud-ink: #3a2a14;
  --shadow: 0 18px 40px rgba(74, 24, 40, 0.28);
  --radius: 28px;
  --side: 252px;
  --pad: 76px;
}
*, *::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;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; line-height: 1.22; font-weight: 900; letter-spacing: -0.03em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: rgba(224, 122, 106, 0.45); color: #fff; }
:focus-visible { outline: 2px solid var(--bud); outline-offset: 3px; }
.app-shell { min-height: 100vh; }
.side-nav {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--side);
  background: linear-gradient(180deg, #2a171d 0%, #1c1014 100%);
  border-right: 1px solid var(--line);
  padding: 28px 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  z-index: 40;
  overflow: auto;
}
.shell-logo {
  display: block;
  color: var(--ink);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.04em;
}
.shell-logo small {
  display: block;
  margin-top: 6px;
  color: var(--bud);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.side-search input {
  width: 100%;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #241218;
  color: var(--ink);
  padding: 0 16px;
  color-scheme: dark;
}
.side-search input::placeholder { color: #b7929a; }
.shell-menu { display: flex; flex-direction: column; gap: 8px; }
.shell-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 10px 14px;
  border-radius: 16px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.shell-link span { font-weight: 700; }
.shell-link em {
  font-style: normal;
  font-size: 12px;
  color: var(--bud);
}
.shell-link:hover { color: var(--ink); background: rgba(224, 122, 106, 0.12); transform: translateX(3px); }
.shell-link.active {
  color: var(--ink);
  background: linear-gradient(90deg, rgba(122, 62, 109, 0.55), rgba(224, 122, 106, 0.28));
  border-color: rgba(243, 215, 196, 0.2);
}
.side-note {
  margin-top: auto;
  padding: 16px;
  border-radius: 22px;
  background: #321c23;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}
.app-main { margin-left: var(--side); min-height: 100vh; }
.topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 30;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(26, 16, 20, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: none;
}
.topbar .shell-logo { font-size: 16px; max-width: calc(100% - 92px); }
.menu-btn {
  height: 42px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--plum), var(--coral));
  color: #fff8f3;
  font-weight: 800;
}
.offcanvas.nav-drawer {
  background: #241418;
  color: var(--ink);
  width: min(86vw, 320px);
  border-right: 1px solid var(--line);
}
.offcanvas.nav-drawer .offcanvas-header { border-bottom: 1px solid var(--line); }
.offcanvas.nav-drawer .btn-close { filter: invert(1) grayscale(1); }
.wrap { width: min(1140px, calc(100% - 48px)); margin: 0 auto; }
main { display: block; }
.sec { padding: var(--pad) 0; position: relative; }
.sec-alt { background: linear-gradient(180deg, rgba(46, 27, 34, 0.92), rgba(26, 16, 20, 0.2)); }
.sec-lead { max-width: 760px; color: var(--muted); margin-top: 14px; font-size: 16px; }
.kicker, .brand-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--sand);
  font-weight: 800;
  font-size: 14px;
}
.badge-bud, .badge-soft {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  transition: transform .2s ease;
}
.badge-bud { background: var(--bud); color: var(--bud-ink); }
.badge-soft { background: rgba(243, 215, 196, 0.12); color: var(--sand); border: 1px solid var(--line); }
.badge-bud:hover, .hero-badges .badge-bud:hover { transform: scale(1.08); }
.btn-pill, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 0;
  font-weight: 800;
  letter-spacing: 0;
  transition: transform .2s ease, filter .2s ease, background .2s ease;
  cursor: pointer;
}
.btn-pill {
  background: linear-gradient(90deg, #8a4678 0%, #e07a6a 52%, #f3d7c4 100%);
  color: #2a1218;
  box-shadow: 0 10px 24px rgba(176, 78, 92, 0.25);
}
.btn-pill:hover, .btn-ghost:hover { transform: translateY(-3px); filter: brightness(1.08); }
.btn-pill:active, .btn-ghost:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--sand); border: 1px solid var(--line); }
.sec-hero {
  padding: 72px 0 64px;
  background:
    radial-gradient(820px 380px at 0% 0%, rgba(224, 122, 106, 0.28), transparent 62%),
    radial-gradient(680px 320px at 100% 10%, rgba(122, 62, 109, 0.42), transparent 60%),
    linear-gradient(165deg, #3a2230 0%, #241418 52%, #2a1814 100%);
}
.hero-top { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 18px; }
h1 { font-size: clamp(2.2rem, 4.4vw, 4rem); max-width: 920px; }
.pain-line {
  margin-top: 16px;
  color: #ffd7cc;
  font-size: 20px;
  font-weight: 700;
}
.hero-lead { margin-top: 16px; max-width: 860px; color: var(--sand); }
.hero-form {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 0.9fr 1.3fr auto;
  gap: 12px;
  padding: 16px;
  background: rgba(49, 28, 34, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--bud); font-weight: 700; }
.field input, .field select {
  height: 48px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #241218;
  color: var(--ink);
  padding: 0 16px;
  color-scheme: dark;
}
.hero-form .btn-pill { align-self: end; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.sec-head { max-width: 820px; }
.pain-layout, .solve-grid, .eu-grid, .entry-grid, .close-band {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.pain-layout { grid-template-columns: 0.85fr 1.15fr; align-items: stretch; }
.pain-intro, .card, .quote, .person, .news-item, .eu-feature, .eu-side article, .time-row, .metric-row, .entry-card, .day-chip {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.pain-intro, .card, .eu-feature, .entry-card { padding: 28px; }
.pain-intro { background: linear-gradient(180deg, #4a2b34, #3c262c); }
.pain-intro strong { display: block; font-size: 28px; line-height: 1.3; margin: 12px 0; }
.pain-list { display: flex; flex-direction: column; gap: 12px; }
.pain-list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  border-radius: 22px;
  background: var(--card-deep);
  border: 1px solid var(--line);
}
.pain-list b {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: var(--bud);
  color: var(--bud-ink);
  font-size: 18px;
}
.pain-list p { color: var(--muted); font-size: 15px; }
.solve-grid { grid-template-columns: 1.35fr 0.75fr; }
.solve-main h3 { font-size: 32px; margin: 12px 0; }
.solve-main p { color: var(--muted); }
.badge-cluster { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.solve-side { display: flex; flex-direction: column; gap: 12px; }
.mini-stat {
  padding: 18px 20px;
  border-radius: 24px;
  background: #432830;
  border: 1px solid var(--line);
}
.mini-stat b { display: block; font-size: 22px; }
.mini-stat span { color: var(--muted); font-size: 14px; }
.step-rail {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  position: relative;
}
.step {
  padding: 22px 18px 20px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  min-height: 220px;
  transition: transform .2s ease;
}
.step:hover { transform: translateY(-4px); }
.step i {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--plum), var(--coral));
  color: white;
  font-style: normal;
  font-weight: 900;
}
.step h3 { margin: 14px 0 8px; font-size: 22px; }
.step p { color: var(--muted); font-size: 15px; }
.stat-cluster {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 0.8fr);
  gap: 14px;
}
.stat {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
}
.stat.main-stat {
  background: linear-gradient(160deg, #6d3a62, #e07a6a 70%, #f3d7c4);
  color: #2a1218;
}
.stat b { display: block; font-size: clamp(2.4rem, 4vw, 3.6rem); line-height: 1; letter-spacing: -0.05em; }
.stat span { display: block; margin-top: 8px; font-weight: 800; }
.stat em { display: block; margin-top: 8px; font-style: normal; color: var(--muted); font-size: 14px; }
.stat.main-stat em { color: rgba(42, 18, 24, 0.75); }
.voice-grid { margin-top: 28px; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 14px; }
.quote { padding: 26px; }
.quote.featured { background: linear-gradient(180deg, #4d3038, #3c262c); }
.quote q { display: block; font-size: 22px; line-height: 1.55; font-weight: 700; quotes: none; }
.quote footer { margin-top: 16px; color: var(--bud); font-weight: 800; }
.voice-side { display: flex; flex-direction: column; gap: 14px; }
.person-list, .news-list, .time-list, .metric-list { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
.person, .news-item, .time-row, .metric-row {
  display: grid;
  gap: 8px 18px;
  padding: 18px 20px;
  align-items: center;
}
.person { grid-template-columns: 92px 180px 1fr; }
.person b, .news-item time, .time-row b { color: var(--bud); }
.person span, .news-item p, .time-row p, .metric-row span { color: var(--muted); }
.news-item { grid-template-columns: 120px 1fr auto; }
.news-item h3 { font-size: 20px; }
.text-link { color: var(--sand); font-weight: 800; border-bottom: 1px solid rgba(243, 215, 196, 0.4); }
.eu-grid { grid-template-columns: 1.35fr 0.75fr; }
.eu-feature h3 { font-size: 34px; margin: 10px 0 12px; }
.eu-feature p, .eu-side p, .entry-card p { color: var(--muted); }
.eu-side { display: flex; flex-direction: column; gap: 12px; }
.eu-side article { padding: 20px; border-radius: 24px; }
.time-row { grid-template-columns: 120px 1fr auto; }
.table-scroll { margin-top: 28px; overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); }
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 680px; background: #321f25; }
.compare-table th, .compare-table td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare-table th { color: var(--sand); font-size: 18px; background: #3c262c; }
.compare-table td:first-child, .compare-table th:first-child { color: var(--bud); font-weight: 800; }
.compare-table .is-rec { background: linear-gradient(180deg, rgba(224, 122, 106, 0.2), rgba(122, 62, 109, 0.16)); }
.compare-table tr:last-child td { border-bottom: 0; }
.metric-row { grid-template-columns: 180px 120px 1fr; }
.metric-row b { font-size: 28px; letter-spacing: -0.04em; }
.entry-grid { grid-template-columns: 1.25fr 0.85fr; }
.entry-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  min-height: 280px;
  position: relative;
  overflow: hidden;
  transition: transform .2s ease;
}
.entry-card::before {
  content: "";
  width: 120px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--plum), var(--coral), var(--sand));
}
.entry-card:hover { transform: translateY(-4px); }
.entry-card h3 { font-size: 32px; }
.entry-card .btn-pill { margin-top: auto; }
.day-rail { margin-top: 26px; display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.day-chip { padding: 16px 12px; border-radius: 22px; min-height: 148px; }
.day-chip b { display: block; color: var(--bud); }
.day-chip strong { display: block; margin: 8px 0; font-size: 16px; }
.day-chip span { color: var(--muted); font-size: 13px; }
.accordion { margin-top: 26px; }
.accordion-item { background: transparent; border: 0; margin-bottom: 10px; }
.accordion-button {
  border-radius: 20px !important;
  background: var(--card);
  color: var(--ink);
  font-weight: 800;
  box-shadow: none;
  min-height: 64px;
}
.accordion-button:not(.collapsed) { background: #4a2d35; color: var(--ink); }
.accordion-button::after { filter: invert(1) grayscale(1) brightness(2); }
.accordion-button:focus { box-shadow: none; }
.accordion-body { color: var(--muted); background: #2c1b21; border-radius: 0 0 20px 20px; }
.close-band {
  grid-template-columns: 1.4fr auto;
  align-items: center;
  padding: 28px;
  border-radius: 32px;
  background: linear-gradient(100deg, #5d3454 0%, #c86b62 55%, #f0d3bf 100%);
  color: #2a1218;
}
.close-band .sec-lead, .close-band h2 { color: #2a1218; }
.close-band .btn-pill { background: #2a1218; color: #f7f1ea; }
.site-footer { padding: 36px 0 48px; border-top: 1px solid var(--line); background: #140d10; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.foot-brand { font-size: 22px; font-weight: 900; line-height: 1.3; }
.foot-brand p { margin-top: 8px; color: var(--muted); max-width: 460px; font-weight: 400; font-size: 14px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px 18px; }
.foot-links a { color: var(--sand); font-weight: 700; }
.copyright { margin-top: 22px; color: #a88890; font-size: 13px; }
.noscript-nav { display: flex; gap: 12px; padding: 10px 16px; background: #2a171d; }
@media (max-width: 1024px) {
  .side-nav { display: none; }
  .app-main { margin-left: 0; }
  .topbar { display: flex; }
  .pain-layout, .solve-grid, .voice-grid, .eu-grid, .entry-grid, .stat-cluster { grid-template-columns: 1fr 1fr; }
  .stat-cluster { grid-template-columns: 1fr 1fr; }
  .step-rail { grid-template-columns: 1fr 1fr; }
  .day-rail { grid-template-columns: repeat(4, 1fr); }
  .person, .news-item, .time-row, .metric-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --pad: 52px; }
  .wrap { width: min(100% - 32px, 1140px); }
  .hero-form, .pain-layout, .solve-grid, .voice-grid, .eu-grid, .entry-grid, .stat-cluster, .close-band, .step-rail, .day-rail { grid-template-columns: 1fr; }
  .foot-grid { flex-direction: column; }
  .news-item a, .time-row .badge-bud { justify-self: start; }
}
@media (max-width: 520px) {
  h1 { font-size: 1.9rem; }
  .sec-hero { padding: 42px 0 36px; }
  .pain-list li { grid-template-columns: 1fr; }
  .pain-intro, .card, .eu-feature, .entry-card, .close-band { padding: 20px; }
  .day-rail { grid-template-columns: 1fr 1fr; }
  .hero-form .btn-pill, .entry-card .btn-pill, .close-band .btn-pill { width: 100%; }
  .topbar .shell-logo { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category1 */
:root {
 --bg: #1a1014;
 --bg-2: #241418;
 --bg-3: #2e1b22;
 --card: #3c262c;
 --card-deep: #321f25;
 --ink: #f7f1ea;
 --muted: #c9a8ae;
 --line: rgba(243, 215, 196, 0.16);
 --plum: #7a3e6d;
 --coral: #e07a6a;
 --sand: #f3d7c4;
 --bud: #e7d48a;
 --bud-ink: #3a2a14;
 --shadow: 0 18px 40px rgba(74, 24, 40, 0.28);
 --radius: 28px;
 --side: 252px;
 --pad: 76px;
}
:root { --pad: 52px; }
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.side-nav {
 position: fixed;
 inset: 0 auto 0 0;
 width: var(--side);
 background: linear-gradient(180deg, #2a171d 0%, #1c1014 100%);
 border-right: 1px solid var(--line);
 padding: 28px 18px 24px;
 display: flex;
 flex-direction: column;
 gap: 22px;
 z-index: 40;
 overflow: auto;
}
.shell-logo {
 display: block;
 color: var(--ink);
 font-weight: 900;
 font-size: 22px;
 line-height: 1.25;
 letter-spacing: -0.04em;
}
.shell-logo small {
 display: block;
 margin-top: 6px;
 color: var(--bud);
 font-size: 12px;
 font-weight: 700;
 letter-spacing: 0.08em;
}
.side-search input {
 width: 100%;
 height: 44px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: #241218;
 color: var(--ink);
 padding: 0 16px;
 color-scheme: dark;
}
.side-search input::placeholder { color: #b7929a; }
.shell-menu { display: flex; flex-direction: column; gap: 8px; }
.shell-link {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 10px;
 min-height: 48px;
 padding: 10px 14px;
 border-radius: 16px;
 color: var(--sand);
 border: 1px solid transparent;
 font-weight: 700;
 transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.shell-link em {
 font-style: normal;
 font-size: 12px;
 font-weight: 800;
 color: var(--bud);
 background: rgba(231, 212, 138, 0.12);
 border-radius: 999px;
 padding: 2px 8px;
}
.shell-link:hover { background: rgba(243, 215, 196, 0.08); border-color: var(--line); }
.shell-link.active {
 background: linear-gradient(90deg, rgba(122, 62, 109, 0.92), rgba(224, 122, 106, 0.82));
 color: #fff8f3;
}
.shell-link.active em { background: var(--bud); color: var(--bud-ink); }
.app-main { margin-left: var(--side); min-height: 100vh; }
.topbar {
 display: none;
 position: sticky;
 top: 0;
 z-index: 30;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 padding: 12px 16px;
 background: rgba(26, 16, 20, 0.92);
 border-bottom: 1px solid var(--line);
}
.topbar .shell-logo { font-size: 16px; max-width: calc(100% - 92px); }
.menu-btn {
 height: 42px;
 padding: 0 16px;
 border: 0;
 border-radius: 999px;
 background: linear-gradient(90deg, var(--plum), var(--coral));
 color: #fff8f3;
 font-weight: 800;
 cursor: pointer;
}
.offcanvas.nav-drawer {
 background: #241418;
 color: var(--ink);
 width: min(86vw, 320px);
 border-right: 1px solid var(--line);
}
.offcanvas.nav-drawer .offcanvas-header { border-bottom: 1px solid var(--line); }
.offcanvas.nav-drawer .offcanvas-title { color: var(--sand); font-weight: 800; }
.offcanvas.nav-drawer .btn-close { filter: invert(1) grayscale(1); }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.block { padding: var(--pad) 0; }
.block-alt { background: var(--bg-2); }
.block-deep { background: linear-gradient(180deg, #2a181e 0%, #1a1014 100%); }
.kicker {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 color: var(--sand);
 font-weight: 800;
 font-size: 14px;
}
.badge-bud, .badge-soft {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 28px;
 padding: 2px 10px;
 border-radius: 999px;
 font-size: 12px;
 font-weight: 800;
 line-height: 1;
 transition: transform .2s ease;
}
.badge-bud { background: var(--bud); color: var(--bud-ink); }
.badge-soft { background: rgba(243, 215, 196, 0.12); color: var(--sand); border: 1px solid var(--line); }
.badge-bud:hover { transform: scale(1.08); }
.btn-pill, .btn-ghost {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 48px;
 padding: 0 22px;
 border-radius: 999px;
 border: 0;
 font-weight: 800;
 transition: transform .2s ease, filter .2s ease, background .2s ease;
 cursor: pointer;
}
.btn-pill {
 background: linear-gradient(90deg, #8a4678 0%, #e07a6a 52%, #f3d7c4 100%);
 color: #2a1218;
 box-shadow: 0 10px 24px rgba(176, 78, 92, 0.25);
}
.btn-pill:hover, .btn-ghost:hover { transform: translateY(-3px); filter: brightness(1.08); }
.btn-pill:active, .btn-ghost:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--sand); border: 1px solid var(--line); }
.shell-link:focus-visible, .btn-pill:focus-visible, .btn-ghost:focus-visible, .side-search input:focus-visible, .menu-btn:focus-visible, .article-link:focus-visible {
 outline: 2px solid var(--bud);
 outline-offset: 3px;
}
.sec-cathead {
 padding: 64px 0 56px;
 background:
 radial-gradient(720px 320px at 0% 0%, rgba(224, 122, 106, 0.26), transparent 62%),
 radial-gradient(560px 280px at 100% 0%, rgba(122, 62, 109, 0.45), transparent 60%),
 linear-gradient(165deg, #3a2230 0%, #241418 58%, #2a1814 100%);
}
.page-head {
 display: grid;
 grid-template-columns: 1.25fr 0.75fr;
 gap: 28px;
 align-items: stretch;
}
.page-head h1 {
 margin-top: 12px;
 font-size: 52px;
 line-height: 1.12;
 font-weight: 900;
 letter-spacing: -0.04em;
}
.head-lead { margin-top: 16px; color: var(--sand); max-width: 640px; }
.head-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.head-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.summary-panel {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 26px;
 display: flex;
 flex-direction: column;
 gap: 14px;
}
.summary-panel h2 { font-size: 22px; font-weight: 900; line-height: 1.3; }
.summary-panel p { color: var(--muted); }
.mini-stats { display: grid; gap: 10px; }
.mini-stats div {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: center;
 padding: 12px 14px;
 border-radius: 18px;
 background: var(--card-deep);
 border: 1px solid var(--line);
}
.mini-stats b { font-size: 18px; }
.mini-stats span { color: var(--muted); font-size: 13px; }
.sec-title { font-size: 34px; line-height: 1.2; font-weight: 900; letter-spacing: -0.03em; }
.sec-lead { max-width: 720px; color: var(--muted); margin-top: 12px; }
.stagger {
 margin-top: 28px;
 display: grid;
 grid-template-columns: 1.35fr 0.85fr;
 gap: 18px;
}
.zone-card, .scope-card, .scene-main, .scene-item, .article-item, .step-item, .close-band, .metric-row {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.zone-card { padding: 28px; transition: transform .2s ease, filter .2s ease; }
.zone-card:hover { transform: translateY(-3px); filter: brightness(1.06); }
.span-tall {
 grid-row: span 2;
 background:
 radial-gradient(420px 220px at 100% 0%, rgba(224, 122, 106, 0.28), transparent 60%),
 linear-gradient(180deg, #4a2c36, #3c262c);
}
.span-wide { grid-column: 1 / -1; }
.zone-card h3, .scene-main h3, .scope-card h3 { font-size: 28px; line-height: 1.25; font-weight: 900; margin: 12px 0; }
.zone-card p, .scope-card p, .scene-main p, .scene-item p, .article-item p, .step-item p { color: var(--muted); }
.card-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.scope-grid, .scene-layout, .article-layout, .step-row, .metric-board, .close-band {
 display: grid;
 gap: 18px;
 margin-top: 28px;
}
.scope-grid { grid-template-columns: 1.2fr 0.8fr; }
.scope-card { padding: 28px; }
.scope-list { display: flex; flex-direction: column; gap: 12px; }
.scope-list li {
 display: grid;
 grid-template-columns: 72px 1fr;
 gap: 12px;
 align-items: center;
 padding: 16px;
 border-radius: 22px;
 background: var(--card-deep);
 border: 1px solid var(--line);
}
.scope-list b {
 width: 72px;
 height: 64px;
 border-radius: 20px;
 display: grid;
 place-items: center;
 background: var(--bud);
 color: var(--bud-ink);
 font-size: 14px;
}
.metric-board { grid-template-columns: 1.4fr repeat(3, 0.7fr); }
.metric-row { padding: 22px; }
.metric-row strong {
 display: block;
 font-size: 40px;
 line-height: 1;
 font-weight: 900;
 background: linear-gradient(90deg, var(--sand), var(--coral));
 -webkit-background-clip: text;
 background-clip: text;
 color: transparent;
}
.metric-row span { display: block; margin-top: 8px; color: var(--muted); }
.metric-lead {
 background: linear-gradient(145deg, #6d3a62, #e07a6a 72%, #f3d7c4);
 color: #2a1218;
}
.metric-lead strong { color: #2a1218; background: none; -webkit-text-fill-color: #2a1218; }
.metric-lead span { color: rgba(42, 18, 24, 0.75); }
.scene-layout { grid-template-columns: 0.9fr 1.1fr; }
.scene-main { padding: 28px; }
.scene-list { display: flex; flex-direction: column; gap: 12px; }
.scene-item {
 padding: 18px 20px;
 display: grid;
 grid-template-columns: 92px 1fr auto;
 gap: 14px;
 align-items: center;
}
.scene-item b { font-size: 18px; }
.article-layout { grid-template-columns: 1fr; }
.article-item {
 padding: 20px 22px;
 display: grid;
 grid-template-columns: 88px 1fr;
 gap: 16px;
 align-items: center;
}
.article-link { font-size: 20px; font-weight: 900; line-height: 1.35; }
.article-link:hover { color: var(--sand); }
.article-more { margin-top: 16px; }
.step-row { grid-template-columns: repeat(4, 1fr); }
.step-item { padding: 22px; position: relative; }
.step-item em {
 font-style: normal;
 display: inline-grid;
 place-items: center;
 min-width: 46px;
 height: 32px;
 padding: 0 10px;
 border-radius: 999px;
 background: var(--bud);
 color: var(--bud-ink);
 font-weight: 900;
 font-size: 13px;
}
.step-item h3 { margin: 14px 0 8px; font-size: 20px; font-weight: 900; }
.close-band {
 grid-template-columns: 1.4fr auto;
 align-items: center;
 padding: 28px;
 background:
 radial-gradient(480px 180px at 100% 0%, rgba(243, 215, 196, 0.2), transparent 60%),
 linear-gradient(90deg, #4a2d38, #3c262c 55%, #5a3a36);
}
.close-band h2 { font-size: 32px; font-weight: 900; line-height: 1.25; }
.close-band p { color: var(--sand); margin-top: 8px; }
.site-footer {
 padding: 36px 0 28px;
 border-top: 1px solid var(--line);
 background: #140d10;
}
.foot-grid {
 display: flex;
 justify-content: space-between;
 gap: 24px;
 align-items: flex-start;
}
.foot-brand { font-weight: 900; font-size: 20px; max-width: 560px; }
.foot-brand p { margin-top: 8px; color: var(--muted); font-weight: 500; font-size: 14px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px 18px; }
.foot-links a { color: var(--sand); font-weight: 700; }
.foot-links a:hover { color: var(--bud); }
.copyright { margin-top: 22px; color: var(--muted); font-size: 13px; }
@media (max-width: 1024px) {
 :root { --side: 220px; --pad: 40px; }
 .page-head h1 { font-size: 42px; }
 .metric-board { grid-template-columns: 1fr 1fr; }
 .scene-item { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
 .side-nav { display: none; }
 .app-main { margin-left: 0; }
 .topbar { display: flex; }
 .page-head, .stagger, .scope-grid, .scene-layout, .step-row, .close-band { grid-template-columns: 1fr; }
 .span-tall, .span-wide { grid-row: auto; grid-column: auto; }
 .page-head h1, .sec-title, .close-band h2 { font-size: 32px; }
 .foot-grid { flex-direction: column; }
}
@media (max-width: 520px) {
 .wrap { width: min(1120px, calc(100% - 28px)); }
 .head-actions, .close-band .btn-pill { width: 100%; }
 .page-head h1 { font-size: 30px; }
 .article-item, .scope-list li { grid-template-columns: 1fr; }
 .metric-row strong { font-size: 32px; }
 .zone-card, .scope-card, .scene-main, .summary-panel { padding: 20px; }
}

/* roulang page: category2 */
:root {
  --bg: #1a1014;
  --bg-2: #241418;
  --bg-3: #2e1b22;
  --card: #3c262c;
  --card-deep: #321f25;
  --ink: #f7f1ea;
  --muted: #c9a8ae;
  --line: rgba(243, 215, 196, 0.16);
  --plum: #7a3e6d;
  --coral: #e07a6a;
  --sand: #f3d7c4;
  --bud: #e7d48a;
  --bud-ink: #3a2a14;
  --shadow: 0 18px 40px rgba(74, 24, 40, 0.28);
  --radius: 28px;
  --side: 252px;
  --pad: 76px;
}
/* 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;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -0.03em; font-weight: 900; margin: 0; }
:focus-visible {
  outline: 2px solid var(--bud);
  outline-offset: 3px;
}
.side-nav {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--side);
  background: linear-gradient(180deg, #2a171d 0%, #1c1014 100%);
  border-right: 1px solid var(--line);
  padding: 28px 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  z-index: 40;
  overflow: auto;
}
.shell-logo {
  display: block;
  color: var(--ink);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.04em;
}
.shell-logo small {
  display: block;
  margin-top: 6px;
  color: var(--bud);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.side-search input {
  width: 100%;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #241218;
  color: var(--ink);
  padding: 0 16px;
  color-scheme: dark;
}
.side-search input::placeholder { color: #b7929a; }
.side-search input:focus {
  border-color: rgba(231, 212, 138, 0.7);
  box-shadow: 0 0 0 4px rgba(231, 212, 138, 0.12);
}
.shell-menu { display: flex; flex-direction: column; gap: 8px; }
.shell-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 48px;
  padding: 10px 14px;
  border-radius: 18px;
  color: var(--sand);
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.shell-link span { font-weight: 800; }
.shell-link em {
  font-style: normal;
  font-size: 12px;
  font-weight: 800;
  color: var(--bud);
  background: rgba(231, 212, 138, 0.12);
  border-radius: 999px;
  padding: 3px 8px;
}
.shell-link:hover {
  background: rgba(60, 38, 44, 0.85);
  border-color: var(--line);
  transform: translateY(-2px);
}
.shell-link.active {
  background: linear-gradient(90deg, rgba(122, 62, 109, 0.95), rgba(224, 122, 106, 0.88));
  color: #fff8f3;
  border-color: transparent;
  box-shadow: 0 10px 24px rgba(176, 78, 92, 0.22);
}
.shell-link.active em { color: var(--bud-ink); background: var(--bud); }
.app-main { margin-left: var(--side); min-height: 100vh; }
.topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 30;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(26, 16, 20, 0.94);
  border-bottom: 1px solid var(--line);
}
.topbar .shell-logo { font-size: 16px; max-width: calc(100% - 92px); }
.menu-btn {
  height: 42px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--plum), var(--coral));
  color: #fff8f3;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, filter .2s ease;
}
.menu-btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.menu-btn:active { transform: translateY(0); }
.offcanvas.nav-drawer {
  background: #241418;
  color: var(--ink);
  width: min(86vw, 320px);
  border-right: 1px solid var(--line);
}
.offcanvas.nav-drawer .offcanvas-header { border-bottom: 1px solid var(--line); }
.offcanvas.nav-drawer .btn-close { filter: invert(1) grayscale(1); }
main { display: block; }
.wrap {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}
.band { padding: var(--pad) 0; }
.band-alt { background: var(--bg-2); }
.band-deep { background: var(--bg-3); }
.kicker, .brand-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--sand);
  font-weight: 800;
  font-size: 14px;
}
.sec-title { font-size: clamp(28px, 3vw, 40px); max-width: 720px; }
.sec-lead { max-width: 760px; color: var(--muted); margin-top: 14px; font-size: 16px; }
.badge-bud, .badge-soft {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  transition: transform .2s ease;
}
.badge-bud { background: var(--bud); color: var(--bud-ink); }
.badge-soft { background: rgba(243, 215, 196, 0.12); color: var(--sand); border: 1px solid var(--line); }
.badge-bud:hover, .hero-badges .badge-bud:hover, .badge-cluster .badge-bud:hover { transform: scale(1.08); }
.btn-pill, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 0;
  font-weight: 800;
  letter-spacing: 0;
  transition: transform .2s ease, filter .2s ease, background .2s ease;
  cursor: pointer;
}
.btn-pill {
  background: linear-gradient(90deg, #8a4678 0%, #e07a6a 52%, #f3d7c4 100%);
  color: #2a1218;
  box-shadow: 0 10px 24px rgba(176, 78, 92, 0.25);
}
.btn-pill:hover, .btn-ghost:hover { transform: translateY(-3px); filter: brightness(1.08); }
.btn-pill:active, .btn-ghost:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--sand); border: 1px solid var(--line); }
.page-head {
  padding: 72px 0 64px;
  background:
    radial-gradient(820px 380px at 0% 0%, rgba(224, 122, 106, 0.28), transparent 62%),
    radial-gradient(680px 320px at 100% 10%, rgba(122, 62, 109, 0.42), transparent 60%),
    linear-gradient(165deg, #3a2230 0%, #241418 52%, #2a1814 100%);
}
.head-copy h1 { font-size: clamp(36px, 4.6vw, 58px); margin-top: 12px; }
.head-copy .sec-lead { color: var(--sand); }
.head-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.head-side, .card, .time-row, .metric-row, .scene-main, .scene-item, .article-item, .step-item, .close-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.head-side { padding: 28px; height: 100%; }
.head-side h2 { font-size: 28px; margin: 12px 0; }
.head-side p { color: var(--muted); }
.badge-cluster, .hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.time-list { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.time-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  transition: transform .2s ease, filter .2s ease;
}
.time-row:hover { transform: translateY(-3px); filter: brightness(1.06); }
.time-row time { font-weight: 900; font-size: 22px; color: var(--bud); letter-spacing: -0.04em; }
.time-row h3 { font-size: 20px; margin-bottom: 4px; }
.time-row p { color: var(--muted); font-size: 15px; }
.scope-grid, .scene-layout, .metric-board, .close-band {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.scope-grid { grid-template-columns: 1.35fr 0.75fr; }
.scope-main, .scene-main { padding: 28px; }
.scope-main h3, .scene-main h3 { font-size: 30px; margin: 10px 0 12px; }
.scope-main p, .scene-main p, .scene-item p, .article-item p, .step-item p { color: var(--muted); }
.scope-side { display: flex; flex-direction: column; gap: 12px; }
.scope-side article, .scene-item, .article-item, .step-item, .metric-row { padding: 22px; }
.scope-side strong {
  display: block;
  font-size: 18px;
  margin-bottom: 6px;
}
.metric-board { grid-template-columns: 1.25fr 0.85fr; align-items: stretch; }
.feature-metric {
  background: linear-gradient(160deg, #6d3a62, #e07a6a 70%, #f3d7c4);
  color: #2a1218;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.feature-metric em, .metric-row em { font-style: normal; font-weight: 800; }
.feature-metric strong, .metric-row strong {
  display: block;
  font-size: 64px;
  line-height: 0.95;
  letter-spacing: -0.05em;
}
.feature-metric span, .metric-row span { display: block; margin-top: 8px; font-weight: 800; }
.feature-metric em { color: rgba(42, 18, 24, 0.75); }
.metric-side { display: grid; gap: 12px; }
.metric-row strong { font-size: 36px; color: var(--bud); }
.scene-layout { grid-template-columns: 1.15fr 0.85fr; }
.scene-stack { display: flex; flex-direction: column; gap: 12px; }
.scene-item { display: grid; grid-template-columns: 72px 1fr; gap: 12px; align-items: center; }
.scene-item b {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: var(--bud);
  color: var(--bud-ink);
  font-size: 18px;
}
.article-list { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.article-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  transition: transform .2s ease, filter .2s ease;
}
.article-item:hover { transform: translateY(-3px); filter: brightness(1.05); }
.article-item small { color: var(--bud); font-weight: 800; }
.more-link {
  margin-top: 18px;
  align-self: flex-start;
}
.article-foot { display: flex; justify-content: flex-end; }
.step-rail {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.step-item { min-height: 220px; }
.step-item i {
  font-style: normal;
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 14px;
  background: var(--bud);
  color: var(--bud-ink);
  font-weight: 900;
}
.step-item h3 { font-size: 22px; margin-bottom: 8px; }
.close-band { grid-template-columns: 1.4fr auto; align-items: center; }
.close-panel {
  padding: 36px;
  background:
    radial-gradient(420px 180px at 100% 0%, rgba(243, 215, 196, 0.28), transparent 60%),
    linear-gradient(120deg, #5a314c, #3c262c 46%, #6a3a3a);
}
.close-panel h2 { font-size: clamp(30px, 3vw, 44px); }
.close-panel p { color: var(--sand); margin-top: 12px; max-width: 640px; }
.close-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.site-footer {
  padding: 42px 0 32px;
  background: #140c10;
  border-top: 1px solid var(--line);
}
.foot-grid {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: flex-start;
}
.foot-brand { font-size: 22px; font-weight: 900; letter-spacing: -0.04em; max-width: 520px; }
.foot-brand p { margin-top: 10px; color: var(--muted); font-size: 15px; font-weight: 500; letter-spacing: 0; line-height: 1.7; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 18px; }
.foot-links a {
  color: var(--sand);
  font-weight: 700;
  border-bottom: 1px solid transparent;
}
.foot-links a:hover { color: var(--bud); border-bottom-color: var(--bud); }
.copyright { margin-top: 26px; color: var(--muted); font-size: 14px; }
@media (max-width: 1024px) {
  .side-nav { display: none; }
  .app-main { margin-left: 0; }
  .topbar { display: flex; }
  .scope-grid, .metric-board, .scene-layout, .close-band, .step-rail { grid-template-columns: 1fr; }
  .close-actions { justify-content: flex-start; }
}
@media (max-width: 768px) {
  :root { --pad: 52px; }
  .wrap { width: min(1120px, calc(100% - 32px)); }
  .time-row, .article-item, .scene-item { grid-template-columns: 1fr; }
  .head-side h2, .scope-main h3 { font-size: 26px; }
  .feature-metric { min-height: 220px; }
  .feature-metric strong { font-size: 52px; }
}
@media (max-width: 520px) {
  .page-head { padding: 42px 0 36px; }
  .head-copy h1 { font-size: 34px; }
  .head-actions, .close-actions { display: grid; }
  .btn-pill, .btn-ghost, .more-link { width: 100%; }
  .foot-grid { flex-direction: column; }
  .time-row time { font-size: 18px; }
  .step-item { min-height: 0; }
}

/* 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}