/* roulang page: index */
:root {
  --ink: #241820;
  --paper: #F4EFE6;
  --paper-2: #E7E0D4;
  --card: #FFFCF7;
  --wine: #6E2E45;
  --wine-deep: #4C1E30;
  --spotlight: #E3A23A;
  --mist: #8E8794;
  --line: #D9D0C4;
  --shadow: 0 8px 24px rgba(36, 24, 32, .08);
  --radius: 16px;
  --pill: 999px;
  --pad: 72px;
  --bs-body-color: #241820;
  --bs-body-bg: #F4EFE6;
  --bs-primary: #6E2E45;
  --bs-link-color: #4C1E30;
  --bs-link-hover-color: #6E2E45;
  --bs-border-color: #D9D0C4;
  --bs-accordion-btn-focus-box-shadow: 0 0 0 2px #E3A23A;
  --bs-accordion-active-bg: #F8EBD3;
  --bs-accordion-active-color: #4C1E30;
  --bs-accordion-bg: #FFFCF7;
  --bs-accordion-border-color: #D9D0C4;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16.5px;
  line-height: 1.85;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; letter-spacing: 0; }
p { margin: 0 0 0.9em; }
h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0;
  margin: 0 0 0.45em;
}
h1 { font-size: 38px; line-height: 1.35; }
h2 { font-size: 26px; line-height: 1.4; }
h3 { font-size: 19px; line-height: 1.45; }
a { color: var(--wine-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible, .accordion-button:focus-visible {
  outline: 2px solid var(--spotlight);
  outline-offset: 2px;
}
.container {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-left: 16px;
  padding-right: 16px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  min-height: 76px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(100%, 240px);
  text-decoration: none;
  color: var(--ink);
}
.brand:hover { text-decoration: none; color: var(--wine-deep); }
.brand-name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  color: inherit;
}
.brand-sub {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--mist);
}
.navbar-toggler {
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--card);
  box-shadow: none;
}
.navbar-toggler:focus { box-shadow: 0 0 0 2px var(--spotlight); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23241820' stroke-linecap='round' stroke-width='2' d='M5 8h20M5 15h20M5 22h20'/%3E%3C/svg%3E");
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 4px 12px;
  border-radius: var(--pill);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--wine-deep); text-decoration: underline; text-underline-offset: 2px; }
.nav-links a.is-current,
.nav-links a.is-current:hover {
  color: var(--wine-deep);
  background: var(--spotlight);
  text-decoration: none;
}
.search-shell {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 4px 4px 4px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  box-shadow: var(--shadow);
}
.search-shell:focus-within {
  border-color: var(--spotlight);
  box-shadow: 0 0 0 2px var(--spotlight);
}
.search-shell svg { flex: 0 0 auto; color: var(--wine); }
.search-shell input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  outline: none;
  font-size: 15px;
  line-height: 1.4;
}
.search-shell input::placeholder { color: var(--mist); }
.search-shell.is-hero { min-height: 64px; padding-left: 16px; }
.search-shell.is-hero input { font-size: 16px; min-height: 48px; }
.btn-wine, .btn-ghost, .btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.btn-wine { background: var(--wine); color: #fff; }
.btn-wine:hover, .btn-wine:focus { color: #fff; background: var(--wine-deep); text-decoration: none; transform: translateY(-1px); }
.btn-wine:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { color: var(--ink); background: var(--paper-2); text-decoration: none; }
.search-shell .btn-wine { min-height: 38px; padding: 0 16px; flex: 0 0 auto; }
.search-shell.is-hero .btn-wine { min-height: 52px; padding: 0 22px; }
.btn-primary {
  background: var(--wine);
  border-color: var(--wine);
  border-radius: var(--pill);
}
.btn-primary:hover, .btn-primary:focus { background: var(--wine-deep); border-color: var(--wine-deep); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.band { padding: var(--pad) 0; position: relative; }
.band-paper { background: var(--paper); }
.band-sand { background: var(--paper-2); }
.band-ink { background: var(--ink); color: var(--paper); }
.band-ink h2, .band-ink h3 { color: var(--paper); }
.band-ink .section-copy { color: rgba(244, 239, 230, .88); }
.kicker {
  margin: 0 0 8px;
  color: var(--wine);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-copy { max-width: 46em; color: var(--ink); }
.hero { overflow: hidden; }
.sprocket {
  height: 14px;
  margin: -8px 0 22px;
  background: radial-gradient(circle at 10px 7px, transparent 3.5px, rgba(36, 24, 32, .55) 4px) left center / 22px 14px repeat-x;
  opacity: .45;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: 36px;
  align-items: center;
}
.sub { margin: 0 0 0.9em; color: var(--ink); font-size: 17px; }
.hero-copy { max-width: 40em; }
.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.metric-strip li {
  padding: 10px 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.metric-strip strong {
  display: block;
  color: var(--wine);
  font-size: 22px;
  line-height: 1.2;
}
.metric-strip span { display: block; color: var(--mist); font-size: 13px; line-height: 1.45; }
.hero-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.hero-panel h2 { font-size: 24px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.quick-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--pill);
  padding: 6px 12px;
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
}
.chip:hover { border-color: var(--spotlight); background: #fff; }
.chip:active, .chip.is-on { background: var(--spotlight); border-color: var(--spotlight); }
.pain-grid, .entry-grid, .grade-grid, .foot-grid, .device-row {
  display: grid;
  gap: 22px;
}
.pain-grid { grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr); align-items: stretch; }
.pain-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.pain-item:first-child { padding-top: 0; }
.pain-no { color: var(--wine); font-size: 22px; font-weight: 800; line-height: 1.3; }
.pain-item p, .zone-card p, .step p, .quote-card p, .scene-bar p, .news-item p, .grade-card p, .time-node p, .scene-card p, .device-caption, .entry-card p { margin-bottom: 0; }
.pain-summary {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--spotlight);
}
.pain-summary h3 { color: var(--paper); }
.pain-summary p { color: rgba(244, 239, 230, .9); }
.pain-summary .kicker { color: var(--spotlight); }
.zone-card, .entry-card, .grade-card, .news-item, .quote-card, .scene-card, .brick, .step, .scene-bar {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.zone-card, .entry-card, .grade-card, .scene-card { padding: 20px; height: 100%; }
.zone-card.z3 { background: var(--wine-deep); color: var(--paper); border-color: var(--wine-deep); }
.zone-card.z3 h3, .zone-card.z3 p { color: var(--paper); }
.zone-card.z2 { background: #F7F1E6; }
.zone-card .btn-wine, .entry-card .btn-wine { margin-top: 16px; }
.zone-card.z3 .btn-wine { background: var(--spotlight); color: var(--ink); }
.zone-card.z3 .btn-wine:hover { background: #f0c36d; color: var(--ink); }
.badge, .badge-wine, .badge-amber, .badge-ink {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: var(--pill);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.badge-wine { background: var(--wine); color: #fff; }
.badge-amber { background: var(--spotlight); color: var(--ink); }
.badge-ink { background: var(--ink); color: var(--paper); }
.zone-card.z3 .badge-amber { color: var(--ink); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.step-axis {
  display: flex;
  gap: 18px;
  position: relative;
}
.step-axis::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  top: 11px;
  height: 2px;
  background: var(--line);
}
.step { flex: 1; position: relative; z-index: 1; padding: 0 12px 16px; }
.step-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--spotlight);
  border: 4px solid var(--paper-2);
  box-shadow: 0 0 0 1px var(--line);
}
.step h3 { margin-top: 12px; }
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.stat-item { padding-right: 8px; }
.stat-num { color: var(--wine); font-size: 52px; font-weight: 800; line-height: 1; }
.stat-label { display: block; margin-top: 8px; color: var(--mist); font-size: 14px; }
.rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.rail::-webkit-scrollbar { height: 8px; }
.rail::-webkit-scrollbar-thumb { background: #c9bfb2; border-radius: var(--pill); }
.quote-card, .scene-card { flex: 0 0 340px; scroll-snap-align: start; }
.quote-card { padding: 18px; }
.who { display: block; margin-top: 12px; color: var(--wine); font-size: 14px; font-weight: 700; }
.scene-bars { display: flex; flex-direction: column; gap: 14px; }
.scene-bar { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 16px; align-items: center; padding: 16px 18px; }
.scene-bar h3 { margin: 0; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item { padding: 16px 18px; transition: transform .2s ease, box-shadow .2s ease; }
.news-item:hover, .zone-card:hover, .entry-card:hover, .grade-card:hover, .scene-card:hover, .quote-card:hover, .brick:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(36, 24, 32, .1);
}
.news-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 6px; color: var(--mist); font-size: 13px; }
.news-item h3 { margin: 0 0 6px; }
.news-item h3 a { color: var(--wine-deep); font-weight: 700; }
.metric-bricks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.brick { padding: 16px 18px; }
.brick strong { display: block; color: var(--wine); font-size: 18px; line-height: 1.45; }
.brick span { display: block; color: var(--mist); font-size: 14px; }
.entry-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
.entry-card.alt { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.entry-card.alt h3, .entry-card.alt p { color: var(--paper); }
.entry-card.alt .btn-wine { background: var(--spotlight); color: var(--ink); }
.entry-card.alt .btn-wine:hover { background: #f0c36d; color: var(--ink); }
.grade-grid { grid-template-columns: 1.15fr .9fr 1fr; align-items: start; }
.grade-card:nth-child(2) { margin-top: 36px; }
.grade-card:nth-child(3) { margin-top: 14px; }
.grade-card .level { color: var(--wine); font-size: 13px; font-weight: 700; }
.timeline { margin-left: 8px; border-left: 2px solid var(--line); }
.time-node { position: relative; padding: 0 0 26px 22px; }
.time-node::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--spotlight);
  box-shadow: 0 0 0 3px var(--paper-2);
}
.time-node h3 { margin-bottom: 4px; }
.device-row { grid-template-columns: 170px 230px minmax(0, 1fr); align-items: end; }
.device { width: 100%; }
.device-frame {
  background: var(--card);
  border: 8px solid var(--ink);
  overflow: hidden;
}
.phone { width: 150px; height: 280px; border-radius: 28px; }
.tablet { width: 220px; height: 168px; border-radius: 18px; }
.desk { width: 100%; height: 210px; border-radius: 14px; }
.screen-bar { height: 28px; background: var(--wine-deep); }
.screen-body { height: calc(100% - 28px); padding: 12px; background: linear-gradient(180deg, #4C1E30 0 46%, #F4EFE6 46% 100%); }
.screen-label {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 8px;
  border-radius: var(--pill);
  background: var(--spotlight);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
}
.screen-line { height: 8px; margin-top: 8px; border-radius: var(--pill); background: rgba(255, 252, 247, .75); }
.screen-line.short { width: 62%; }
.device-caption { margin-top: 10px; font-size: 14px; line-height: 1.7; }
.accordion { --bs-accordion-border-width: 0; }
.accordion-item {
  margin-bottom: 12px;
  border: 1px solid var(--line) !important;
  border-radius: var(--radius) !important;
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow);
}
.accordion-button {
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--card);
  box-shadow: none;
}
.accordion-button:not(.collapsed) {
  color: var(--wine-deep);
  background: #F8EBD3;
  box-shadow: none;
}
.accordion-button:focus { box-shadow: 0 0 0 2px var(--spotlight); border-color: transparent; }
.accordion-body { font-size: 16px; line-height: 1.85; color: var(--ink); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.band-ink .btn-ghost { color: var(--paper); border-color: rgba(244, 239, 230, .7); }
.band-ink .btn-ghost:hover { background: var(--paper); color: var(--ink); }
.site-footer { background: #1b1218; color: var(--paper); padding: 48px 0 20px; }
.site-footer a { color: var(--paper); }
.site-footer a:hover { color: var(--spotlight); }
.foot-grid { grid-template-columns: 1.3fr .7fr 1fr; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links li { margin: 0 0 8px; }
.foot-title { margin: 0 0 10px; font-size: 16px; font-weight: 700; color: var(--spotlight); }
.copyright {
  margin-top: 26px;
  padding-top: 14px;
  border-top: 1px solid rgba(217, 208, 196, .25);
  color: var(--mist);
  font-size: 14px;
}
@media (min-width: 992px) {
  .site-nav {
    display: grid;
    grid-template-columns: 240px minmax(42%, 1fr) 240px;
    column-gap: 16px;
    align-items: center;
  }
  .site-header .navbar-collapse { display: contents !important; }
  .nav-search { width: 100%; min-width: 42%; }
  .nav-links { justify-content: flex-end; }
  .navbar-toggler { display: none !important; }
}
@media (max-width: 991.98px) {
  .navbar-collapse {
    display: none;
    flex: 1 1 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    width: 100%;
    padding: 4px 0 10px;
  }
  .navbar-collapse.show { display: flex !important; }
  .nav-search { width: 100%; order: -1; }
  .nav-links { flex-direction: column; align-items: flex-start; width: 100%; }
  .hero-grid, .pain-grid, .entry-grid { grid-template-columns: 1fr; }
  .metric-strip, .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 767.98px) {
  :root { --pad: 48px; }
  h1 { font-size: 30px; }
  h2 { font-size: 24px; }
  .step-axis { flex-direction: column; gap: 8px; }
  .step-axis::before { left: 10px; right: auto; top: 8px; bottom: 8px; width: 2px; height: auto; }
  .step { display: grid; grid-template-columns: 22px minmax(0, 1fr); column-gap: 12px; align-items: start; }
  .step h3, .step p { grid-column: 2; }
  .step h3 { margin-top: 0; }
  .scene-bar, .foot-grid, .grade-grid, .metric-bricks, .device-row { grid-template-columns: 1fr; }
  .grade-card { margin-top: 0 !important; }
  .phone, .tablet, .desk { width: min(100%, 280px); }
  .desk { height: 180px; }
  .quote-card, .scene-card { flex-basis: 86%; }
}
@media (max-width: 520px) {
  h1 { font-size: 28px; }
  .stat-num { font-size: 36px; }
  .metric-strip, .stat-row, .metric-bricks { grid-template-columns: 1fr; }
  .search-shell.is-hero { flex-wrap: wrap; border-radius: 24px; }
  .search-shell.is-hero .btn-wine { width: 100%; }
  .brand { width: calc(100% - 60px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --ink: #241820;
  --paper: #F4EFE6;
  --paper-2: #E7E0D4;
  --card: #FFFCF7;
  --wine: #6E2E45;
  --wine-deep: #4C1E30;
  --spotlight: #E3A23A;
  --mist: #8E8794;
  --line: #D9D0C4;
  --shadow: 0 8px 24px rgba(36, 24, 32, .08);
  --radius: 16px;
  --pill: 999px;
  --pad: 72px;
  --bs-body-color: #241820;
  --bs-body-bg: #F4EFE6;
  --bs-primary: #6E2E45;
  --bs-link-color: #4C1E30;
  --bs-link-hover-color: #6E2E45;
  --bs-border-color: #D9D0C4;
  --bs-accordion-btn-focus-box-shadow: 0 0 0 2px #E3A23A;
  --bs-accordion-active-bg: #F8EBD3;
  --bs-accordion-active-color: #4C1E30;
  --bs-accordion-bg: #FFFCF7;
  --bs-accordion-border-color: #D9D0C4;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16.5px;
  line-height: 1.85;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; letter-spacing: 0; }
p { margin: 0 0 0.9em; }
h1, h2, h3 { margin: 0 0 0.45em; font-weight: 700; letter-spacing: 0; color: var(--ink); }
h1 { font-size: 38px; line-height: 1.35; }
h2 { font-size: 26px; line-height: 1.4; }
h3 { font-size: 19px; line-height: 1.45; }
a { color: var(--wine-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--spotlight);
  outline-offset: 2px;
}
.container { width: 100%; max-width: 1140px; margin-inline: auto; padding-left: 16px; padding-right: 16px; }
.site-header { position: sticky; top: 0; z-index: 100; background: var(--paper); border-bottom: 1px solid var(--line); }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; min-height: 76px; padding-top: 10px; padding-bottom: 10px; }
.brand { display: flex; flex-direction: column; justify-content: center; width: min(100%, 280px); text-decoration: none; color: var(--ink); }
.brand:hover { text-decoration: none; color: var(--wine-deep); }
.brand-name { display: block; font-size: 15px; font-weight: 700; line-height: 1.35; color: inherit; }
.brand-sub { display: block; margin-top: 2px; font-size: 12px; line-height: 1.4; color: var(--mist); }
.navbar-toggler { margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: var(--pill); background: var(--card); box-shadow: none; }
.navbar-toggler:focus { box-shadow: 0 0 0 2px var(--spotlight); }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23241820' stroke-linecap='round' stroke-width='2' d='M5 8h20M5 15h20M5 22h20'/%3E%3C/svg%3E"); }
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-links a { display: inline-flex; align-items: center; min-height: 36px; padding: 4px 12px; border-radius: var(--pill); color: var(--ink); font-size: 15px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.nav-links a:hover { color: var(--wine-deep); text-decoration: underline; text-underline-offset: 2px; }
.nav-links a.is-current, .nav-links a.is-current:hover { color: var(--wine-deep); background: var(--spotlight); text-decoration: none; }
.search-shell { display: flex; align-items: center; gap: 8px; min-height: 46px; padding: 4px 4px 4px 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--pill); box-shadow: var(--shadow); }
.search-shell:focus-within { border-color: var(--spotlight); box-shadow: 0 0 0 2px var(--spotlight); }
.search-shell svg { flex: 0 0 auto; color: var(--wine); }
.search-shell input { flex: 1 1 auto; min-width: 0; border: 0; background: transparent; outline: none; font-size: 15px; line-height: 1.4; }
.search-shell input::placeholder { color: var(--mist); }
.search-shell .btn-wine { min-height: 38px; padding: 0 16px; flex: 0 0 auto; }
.btn-wine, .btn-ghost, .btn-light { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 0 18px; border-radius: var(--pill); border: 1px solid transparent; font-weight: 700; line-height: 1; cursor: pointer; text-decoration: none; transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease; }
.btn-wine { background: var(--wine); color: #fff; }
.btn-wine:hover, .btn-wine:focus { color: #fff; background: var(--wine-deep); text-decoration: none; transform: translateY(-1px); }
.btn-wine:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { color: var(--ink); background: var(--paper-2); text-decoration: none; }
.btn-light { background: var(--paper); color: var(--wine-deep); }
.btn-light:hover { color: var(--wine-deep); background: #fff; text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--wine); border-color: var(--wine); border-radius: var(--pill); }
.btn-primary:hover, .btn-primary:focus { background: var(--wine-deep); border-color: var(--wine-deep); }
.band { padding: var(--pad) 0; }
.band-paper { background: var(--paper); }
.band-paper2 { background: var(--paper-2); }
.band-ink { background: var(--ink); color: var(--paper); }
.band-ink h2, .band-ink p { color: var(--paper); }
.section-head { margin-bottom: 22px; max-width: 760px; }
.section-copy { max-width: 46em; color: var(--ink); margin-bottom: 0; }
.band-ink .section-copy { color: rgba(244, 239, 230, .88); }
.page-lead { padding-top: 36px; padding-bottom: 32px; }
.film-edge { height: 12px; margin-bottom: 16px; background: radial-gradient(circle at 8px 6px, var(--ink) 3px, transparent 3.5px) left center / 22px 12px repeat-x; opacity: .45; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip { border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: var(--pill); padding: 6px 12px; font-size: 14px; line-height: 1.4; cursor: pointer; }
.chip:hover, .chip:focus-visible { border-color: var(--spotlight); background: #F8EBD3; }
.chip.is-on, .chip[aria-pressed="true"] { background: var(--spotlight); border-color: var(--spotlight); color: var(--wine-deep); font-weight: 700; }
.filter-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 20px; align-items: start; }
.filter-side { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.filter-side h3 { font-size: 16px; margin-bottom: 8px; }
.filter-block { margin-bottom: 14px; }
.filter-block p { margin: 0 0 8px; font-size: 13px; color: var(--mist); }
.entry-list { display: flex; flex-direction: column; gap: 14px; }
.entry-card { display: grid; grid-template-columns: 108px minmax(0, 1fr); gap: 16px; padding: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease; }
.entry-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(36, 24, 32, .1); }
.poster { height: 120px; border-radius: 12px; background: var(--wine-deep); position: relative; overflow: hidden; }
.poster::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 14px; background: repeating-linear-gradient(var(--paper) 0 6px, transparent 6px 14px); opacity: .8; }
.poster::after { content: ""; position: absolute; right: 10px; bottom: 10px; width: 36px; height: 6px; border-radius: var(--pill); background: var(--spotlight); }
.poster.alt { background: #5A2740; }
.poster.deep { background: #3A1828; }
.entry-main h3 { margin-bottom: 6px; }
.entry-main h3 a { color: var(--ink); }
.entry-main h3 a:hover { color: var(--wine-deep); }
.meta-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.tag { display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border-radius: var(--pill); font-size: 12px; font-weight: 700; line-height: 1; }
.tag-wine { background: var(--wine); color: #fff; }
.tag-amber { background: var(--spotlight); color: var(--wine-deep); }
.tag-line { background: var(--paper); border: 1px solid var(--line); color: var(--ink); }
.entry-main p { margin: 0; color: var(--ink); font-size: 15px; }
.legend { display: flex; flex-direction: column; gap: 12px; }
.legend-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; }
.legend-item strong { display: block; color: var(--wine); font-size: 18px; line-height: 1.45; }
.bar { height: 8px; margin: 10px 0 8px; border-radius: var(--pill); background: var(--paper-2); overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--wine); border-radius: inherit; }
.bar .mid { width: 66%; background: var(--wine-deep); }
.bar .hi { width: 100%; background: var(--spotlight); }
.bar .lo { width: 38%; }
.batch-list { list-style: none; margin: 0; padding: 0 0 0 18px; border-left: 2px solid var(--line); max-width: 720px; }
.batch-list li { position: relative; padding: 0 0 18px 16px; }
.batch-list li::before { content: ""; position: absolute; left: -25px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--spotlight); border: 2px solid var(--card); box-shadow: 0 0 0 1px var(--line); }
.batch-list h3 { font-size: 18px; }
.read-list { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.read-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.read-card.wide { grid-column: 1 / -1; }
.read-card a { font-weight: 700; font-size: 18px; line-height: 1.45; }
.vsteps { list-style: none; margin: 0; padding: 4px 0 0 8px; max-width: 680px; border-left: 2px solid var(--line); }
.vsteps li { position: relative; padding: 0 0 22px 22px; }
.vsteps li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--spotlight); }
.vsteps strong { display: block; color: var(--wine-deep); }
.more-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.qa-list { display: grid; gap: 10px; }
.qa-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.qa-item h3 { font-size: 17px; margin-bottom: 4px; }
.qa-item p { margin: 0; }
.qa-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.site-footer { background: var(--ink); color: var(--paper); padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 28px; }
.foot-title { font-weight: 700; margin: 0 0 10px; color: var(--paper); }
.site-footer p { color: rgba(244, 239, 230, .88); }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links a { color: var(--paper); display: inline-block; padding: 3px 0; }
.foot-links a:hover { color: var(--spotlight); }
.copyright { border-top: 1px solid rgba(217, 208, 196, .25); margin: 28px 0 0; padding-top: 16px; color: var(--mist); font-size: 14px; }
@media (min-width: 992px) {
  .navbar-collapse { display: flex !important; align-items: center; gap: 12px; flex: 1 1 auto; }
  .nav-search { flex: 1 1 42%; min-width: 42%; max-width: 640px; margin-inline: auto; }
  .filter-side { position: sticky; top: 96px; }
}
@media (max-width: 1024px) {
  h1 { font-size: 34px; }
  .read-list { grid-template-columns: 1fr; }
  .read-card.wide { grid-column: auto; }
}
@media (max-width: 991.98px) {
  .navbar-collapse { padding-bottom: 12px; }
  .nav-search { width: 100%; margin: 8px 0; }
  .nav-links { flex-direction: column; align-items: stretch; width: 100%; }
  .nav-links a { width: 100%; }
  .filter-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --pad: 48px; }
  h1 { font-size: 30px; }
  h2 { font-size: 24px; }
  .foot-grid { grid-template-columns: 1fr; gap: 18px; }
  .entry-card { grid-template-columns: 86px minmax(0, 1fr); }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  h1 { font-size: 28px; }
  .brand { width: calc(100% - 60px); }
  .brand-name { font-size: 13px; }
  .entry-card { grid-template-columns: 1fr; }
  .poster { height: 72px; }
  .page-lead { padding-top: 24px; }
  .more-row { align-items: flex-start; }
}

/* roulang page: category2 */
:root {
 --ink: #241820;
 --paper: #F4EFE6;
 --paper-2: #E7E0D4;
 --card: #FFFCF7;
 --wine: #6E2E45;
 --wine-deep: #4C1E30;
 --spotlight: #E3A23A;
 --mist: #8E8794;
 --line: #D9D0C4;
 --shadow: 0 8px 24px rgba(36, 24, 32, .08);
 --radius: 16px;
 --pill: 999px;
 --pad: 72px;
 --bs-body-color: #241820;
 --bs-body-bg: #F4EFE6;
 --bs-primary: #6E2E45;
 --bs-link-color: #4C1E30;
 --bs-link-hover-color: #6E2E45;
 --bs-border-color: #D9D0C4;
 --bs-accordion-btn-focus-box-shadow: 0 0 0 2px #E3A23A;
 --bs-accordion-active-bg: #F8EBD3;
 --bs-accordion-active-color: #4C1E30;
 --bs-accordion-bg: #FFFCF7;
 --bs-accordion-border-color: #D9D0C4;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 color: var(--ink);
 background: var(--paper);
 font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
 font-size: 16.5px;
 line-height: 1.85;
 letter-spacing: 0;
 text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; letter-spacing: 0; }
a { color: var(--wine-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible {
 outline: 2px solid var(--spotlight);
 outline-offset: 2px;
}
p { margin: 0 0 0.9em; }
h1, h2, h3 { margin: 0 0 0.45em; font-weight: 700; letter-spacing: 0; color: var(--ink); }
h1 { font-size: 38px; line-height: 1.35; }
h2 { font-size: 26px; line-height: 1.4; }
h3 { font-size: 19px; line-height: 1.45; }
.container {
 width: 100%;
 max-width: 1140px;
 margin-inline: auto;
 padding-left: 16px;
 padding-right: 16px;
}
.site-header {
 position: sticky;
 top: 0;
 z-index: 100;
 background: var(--paper);
 border-bottom: 1px solid var(--line);
}
.site-nav {
 display: flex;
 flex-wrap: wrap;
 align-items: center;
 gap: 12px;
 min-height: 76px;
 padding-top: 10px;
 padding-bottom: 10px;
}
.brand {
 display: flex;
 flex-direction: column;
 justify-content: center;
 width: min(100%, 240px);
 text-decoration: none;
 color: var(--ink);
 flex: 0 0 auto;
}
.brand:hover { text-decoration: none; color: var(--wine-deep); }
.brand-name {
 display: block;
 font-size: 15px;
 font-weight: 700;
 line-height: 1.35;
 color: inherit;
}
.brand-sub {
 display: block;
 margin-top: 2px;
 font-size: 12px;
 line-height: 1.4;
 color: var(--mist);
}
.navbar-toggler {
 margin-left: auto;
 width: 44px;
 height: 44px;
 border: 1px solid var(--line);
 border-radius: var(--pill);
 background: var(--card);
 box-shadow: none;
}
.navbar-toggler:focus { box-shadow: 0 0 0 2px var(--spotlight); }
.navbar-toggler-icon {
 background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23241820' stroke-linecap='round' stroke-width='2' d='M5 8h20M5 15h20M5 22h20'/%3E%3C/svg%3E");
}
.nav-links {
 display: flex;
 align-items: center;
 gap: 6px;
 list-style: none;
 margin: 0;
 padding: 0;
}
.nav-links a {
 display: inline-flex;
 align-items: center;
 min-height: 36px;
 padding: 4px 12px;
 border-radius: var(--pill);
 color: var(--ink);
 font-size: 15px;
 font-weight: 700;
 text-decoration: none;
 white-space: nowrap;
}
.nav-links a:hover { color: var(--wine-deep); text-decoration: underline; text-underline-offset: 2px; }
.nav-links a.is-current,
.nav-links a.is-current:hover {
 color: var(--wine-deep);
 background: var(--spotlight);
 text-decoration: none;
}
.search-shell {
 display: flex;
 align-items: center;
 gap: 8px;
 min-height: 46px;
 padding: 4px 4px 4px 14px;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--pill);
 box-shadow: var(--shadow);
}
.search-shell:focus-within {
 border-color: var(--spotlight);
 box-shadow: 0 0 0 2px var(--spotlight);
}
.search-shell svg { flex: 0 0 auto; color: var(--wine); }
.search-shell input {
 flex: 1 1 auto;
 min-width: 0;
 border: 0;
 background: transparent;
 outline: none;
 font-size: 15px;
 line-height: 1.4;
}
.search-shell input::placeholder { color: var(--mist); }
.btn-wine, .btn-ghost, .btn-light {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 6px;
 min-height: 44px;
 padding: 0 18px;
 border-radius: var(--pill);
 border: 1px solid transparent;
 font-weight: 700;
 line-height: 1;
 cursor: pointer;
 text-decoration: none;
 transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.btn-wine { background: var(--wine); color: #fff; }
.btn-wine:hover, .btn-wine:focus { color: #fff; background: var(--wine-deep); text-decoration: none; transform: translateY(-1px); }
.btn-wine:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { color: var(--ink); background: var(--paper-2); text-decoration: none; }
.btn-light { background: var(--paper); color: var(--ink); border-color: var(--line); }
.btn-light:hover { color: var(--wine-deep); background: #fff; text-decoration: none; transform: translateY(-1px); }
.search-shell .btn-wine { min-height: 38px; padding: 0 16px; flex: 0 0 auto; }
.btn-primary { background: var(--wine); border-color: var(--wine); border-radius: var(--pill); }
.btn-primary:hover, .btn-primary:focus { background: var(--wine-deep); border-color: var(--wine-deep); }
.card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.band { padding: var(--pad) 0; }
.band-paper { background: var(--paper); }
.band-sand { background: var(--paper-2); }
.band-card { background: #FBF7F1; }
.band-ink { background: var(--ink); color: var(--paper); }
.band-ink h2, .band-ink h3 { color: var(--paper); }
.band-ink .section-copy { color: rgba(244, 239, 230, .88); }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-copy { max-width: 46em; color: var(--ink); }
.kicker {
 display: block;
 margin-bottom: 8px;
 color: var(--wine);
 font-size: 13px;
 font-weight: 700;
 line-height: 1.4;
}
.badge-zone, .badge-line, .badge-soft {
 display: inline-flex;
 align-items: center;
 min-height: 26px;
 padding: 0 10px;
 border-radius: var(--pill);
 font-size: 12px;
 font-weight: 700;
 line-height: 1;
 white-space: nowrap;
}
.badge-zone { background: var(--spotlight); color: var(--wine-deep); }
.badge-line { background: var(--paper); color: var(--ink); border: 1px solid var(--line); }
.badge-soft { background: rgba(227, 162, 58, .18); color: var(--wine-deep); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px; }
.dual-top { padding: 36px 0 28px; }
.dual-board {
 display: grid;
 grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
 gap: 16px;
 align-items: stretch;
}
.pane {
 border-radius: var(--radius);
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 padding: 28px 26px 24px;
 min-height: 100%;
}
.pane-wine {
 background: var(--wine-deep);
 color: var(--paper);
 border-color: var(--wine-deep);
 position: relative;
 overflow: hidden;
}
.pane-wine::before {
 content: "";
 position: absolute;
 left: 0;
 top: 0;
 bottom: 0;
 width: 16px;
 background: radial-gradient(circle at 8px 12px, var(--paper) 3px, transparent 3.5px) 0 0 / 16px 22px repeat-y;
 opacity: .35;
}
.pane-wine h1, .pane-wine .kicker { color: var(--paper); }
.pane-wine .kicker { color: var(--spotlight); }
.pane-paper { background: var(--card); }
.pane p:last-child { margin-bottom: 0; }
.stat-line {
 display: flex;
 gap: 18px;
 margin-top: 18px;
}
.stat-line strong {
 display: block;
 color: var(--spotlight);
 font-size: 28px;
 line-height: 1.1;
}
.pane-paper .stat-line strong { color: var(--wine); }
.stat-line span { display: block; font-size: 13px; line-height: 1.4; color: inherit; }
.pane-paper .stat-line span { color: var(--mist); }
.status-strip {
 display: flex;
 flex-wrap: wrap;
 gap: 8px 14px;
 align-items: center;
 margin-top: 16px;
 padding: 12px 16px;
 border: 1px solid var(--line);
 border-radius: var(--pill);
 background: var(--card);
 font-size: 14px;
}
.status-strip b { color: var(--wine); }
.feature-layout {
 display: grid;
 grid-template-columns: minmax(0, 1.35fr) minmax(260px, .75fr);
 gap: 16px;
}
.poster-card, .side-card, .line-card, .scene-card, .metric, .read-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.poster-card { overflow: hidden; display: flex; flex-direction: column; }
.poster {
 min-height: 210px;
 background: var(--wine);
 color: var(--paper);
 padding: 22px;
 display: flex;
 flex-direction: column;
 justify-content: space-between;
 position: relative;
}
.poster::after {
 content: "";
 position: absolute;
 right: 14px;
 top: 14px;
 bottom: 14px;
 width: 10px;
 background: radial-gradient(circle, rgba(244,239,230,.8) 2px, transparent 2.6px) center / 10px 18px repeat-y;
}
.poster-zone { font-size: 28px; font-weight: 700; line-height: 1.2; }
.poster-meta { font-size: 14px; color: var(--spotlight); }
.poster-card .card-body, .side-card, .line-card, .scene-card { padding: 18px 18px 16px; }
.card-body p:last-child, .side-card p:last-child, .line-card p:last-child, .scene-card p:last-child { margin-bottom: 0; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.side-card h3, .line-card h3, .scene-card h3 { margin-bottom: 6px; }
.side-card a, .line-card a, .read-card a { font-weight: 700; }
.meta { color: var(--mist); font-size: 14px; line-height: 1.6; }
.line-list { display: flex; flex-direction: column; gap: 12px; }
.line-card {
 display: grid;
 grid-template-columns: 92px minmax(0, 1fr) auto;
 gap: 16px;
 align-items: center;
}
.zone-mark {
 width: 92px;
 height: 72px;
 border-radius: 12px;
 background: var(--wine-deep);
 color: var(--paper);
 display: flex;
 align-items: center;
 justify-content: center;
 font-weight: 700;
}
.line-card .go { color: var(--wine); font-weight: 700; white-space: nowrap; }
.diff-bar {
 display: grid;
 grid-template-columns: 1fr 1fr;
 background: var(--ink);
 color: var(--paper);
 border-radius: var(--radius);
 overflow: hidden;
}
.diff-col { padding: 28px 26px; }
.diff-col + .diff-col { border-left: 1px solid rgba(217, 208, 196, .25); }
.diff-col h3 { color: var(--spotlight); }
.diff-col p:last-child { margin-bottom: 0; }
.scene-grid, .metric-row, .read-grid, .foot-grid {
 display: grid;
 gap: 16px;
}
.scene-grid { grid-template-columns: 1fr 1fr; }
.scene-card { min-height: 180px; }
.scene-index {
 font-size: 13px;
 font-weight: 700;
 color: var(--wine);
 margin-bottom: 8px;
}
.metric-row { grid-template-columns: repeat(4, 1fr); }
.metric { padding: 18px 16px 14px; }
.metric b {
 display: block;
 color: var(--wine);
 font-size: 30px;
 line-height: 1.1;
 margin: 6px 0;
}
.metric span { color: var(--mist); font-size: 14px; }
.read-grid { grid-template-columns: 1fr 1fr; }
.read-card { padding: 18px 18px 8px; }
.read-card .meta { display: block; margin-bottom: 6px; }
.qa-list { margin: 8px 0 18px; padding: 0; list-style: none; }
.qa-list li {
 padding: 12px 0;
 border-top: 1px solid rgba(217, 208, 196, .35);
}
.qa-list strong { display: block; color: var(--paper); }
.close-actions { display: flex; flex-wrap: wrap; gap: 14px 18px; align-items: center; }
.text-home { color: var(--paper); font-weight: 700; }
.site-footer {
 background: var(--wine-deep);
 color: rgba(244, 239, 230, .88);
 padding: 48px 0 28px;
}
.foot-grid { grid-template-columns: 1.3fr .8fr 1fr; }
.foot-title { margin: 0 0 10px; color: #fff; font-weight: 700; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links a { color: var(--paper); }
.copyright {
 margin: 26px 0 0;
 padding-top: 16px;
 border-top: 1px solid rgba(244, 239, 230, .2);
 font-size: 14px;
 color: rgba(244, 239, 230, .75);
}
@media (min-width: 992px) {
 .site-nav { flex-wrap: nowrap; position: relative; }
 .navbar-collapse {
  display: flex !important;
  flex-grow: 1;
  align-items: center;
  justify-content: flex-end;
 }
 .nav-search {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 42%;
  min-width: 320px;
  z-index: 2;
 }
}
@media (max-width: 1199.98px) {
 h1 { font-size: 34px; }
 .metric b { font-size: 26px; }
}
@media (max-width: 991.98px) {
 :root { --pad: 48px; }
 .navbar-collapse { width: 100%; padding-bottom: 12px; }
 .nav-search { order: -1; width: 100%; margin: 8px 0 12px; }
 .nav-links { width: 100%; flex-direction: column; align-items: flex-start; }
 .brand { width: calc(100% - 60px); }
 .dual-board, .feature-layout, .diff-bar, .scene-grid, .read-grid, .foot-grid { grid-template-columns: 1fr; }
 .diff-col + .diff-col { border-left: 0; border-top: 1px solid rgba(217, 208, 196, .25); }
 .line-card { grid-template-columns: 72px minmax(0, 1fr); }
 .line-card .go { grid-column: 2; }
 .metric-row { grid-template-columns: 1fr 1fr; }
 .nav-search { position: static; transform: none; }
}
@media (max-width: 575.98px) {
 h1 { font-size: 30px; }
 h2 { font-size: 22px; }
 .pane, .diff-col { padding: 20px 16px; }
 .stat-line { flex-direction: column; gap: 10px; }
 .poster { min-height: 160px; }
 .status-strip { border-radius: 16px; }
 .metric-row { grid-template-columns: 1fr; }
}

/* 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}