/* roulang page: index */
:root {
  --c-primary: #C63D2F;
  --c-primary-dark: #A52F24;
  --c-gold: #D9A441;
  --c-ink: #1F1B16;
  --c-paper: #FAF6F0;
  --c-card: #FFFFFF;
  --c-line: #E8E0D4;
  --c-muted: #8B8174;
  --radius-lg: 24px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 12px rgba(31, 27, 22, 0.06);
  --shadow-md: 0 8px 30px rgba(31, 27, 22, 0.08);
  --shadow-lg: 0 16px 40px rgba(31, 27, 22, 0.10);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--c-paper);
  color: var(--c-ink);
  line-height: 1.7;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
#site-header {
  background: transparent;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  border-bottom: 1px solid transparent;
}
#site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(31, 27, 22, 0.06);
  border-bottom-color: rgba(232, 224, 212, 0.6);
}
#drawer {
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.3s ease, opacity 0.3s ease;
}
#drawer.open {
  visibility: visible;
  opacity: 1;
}
.hero-overlay {
  background: linear-gradient(100deg, rgba(250, 246, 240, 0.97) 0%, rgba(250, 246, 240, 0.85) 40%, rgba(31, 27, 22, 0.42) 100%);
}
.hero-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(31, 27, 22, 0.16);
  aspect-ratio: 4/3;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  background-color: var(--c-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px rgba(198, 61, 47, 0.25);
}
.btn-primary:hover {
  background-color: var(--c-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(198, 61, 47, 0.32);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-white:focus-visible,
.link-arrow:focus-visible,
.footer-link:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  border: 1px solid var(--c-line);
  background-color: transparent;
  color: var(--c-ink);
  font-weight: 600;
  font-size: 1rem;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.btn-secondary:hover {
  background-color: #f0eae0;
  border-color: var(--c-muted);
}
.btn-secondary:active {
  transform: scale(0.98);
}
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  background-color: #fff;
  color: var(--c-primary);
  font-weight: 700;
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}
.btn-white:hover {
  background-color: #faf6f0;
  transform: translateY(-1px);
}
.btn-white:active {
  transform: scale(0.98);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.875rem;
  border-radius: 9999px;
  background-color: rgba(198, 61, 47, 0.1);
  color: var(--c-primary);
  font-size: 0.75rem;
  font-weight: 600;
}
@media (min-width: 768px) {
  .badge {
    font-size: 0.875rem;
  }
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--c-primary);
  font-weight: 600;
  font-size: 0.875rem;
  transition: gap 0.2s ease;
}
.link-arrow:hover {
  gap: 0.5rem;
}
.faq-item {
  background-color: #fff;
  border: 1px solid var(--c-line);
  border-radius: 1rem;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-item:hover {
  border-color: var(--c-primary);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  font-size: 1.0625rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color 0.2s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--c-primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  line-height: 1;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item .faq-content {
  padding: 0 1.5rem 1.25rem;
  color: var(--c-muted);
  line-height: 1.75;
}
.footer-link {
  color: #A8A09A;
  transition: color 0.2s ease;
}
.footer-link:hover {
  color: #ffffff;
}
.stat-number {
  font-variant-numeric: tabular-nums;
}
::selection {
  background: rgba(198, 61, 47, 0.15);
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* roulang page: category1 */
:root {
  --c-primary: #C63D2F;
  --c-primary-dark: #A52F24;
  --c-gold: #D9A441;
  --c-ink: #1F1B16;
  --c-paper: #FAF6F0;
  --c-card: #FFFFFF;
  --c-line: #E8E0D4;
  --c-muted: #8B8174;
  --radius-lg: 24px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 12px rgba(31, 27, 22, 0.06);
  --shadow-md: 0 8px 30px rgba(31, 27, 22, 0.08);
  --shadow-lg: 0 16px 40px rgba(31, 27, 22, 0.10);
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--c-paper);
  color: var(--c-ink);
  line-height: 1.7;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
*:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}
#site-header {
  background: transparent;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  border-bottom: 1px solid transparent;
}
#site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(31, 27, 22, 0.06);
  border-bottom-color: rgba(232, 224, 212, 0.6);
}
#drawer {
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.3s ease, opacity 0.3s ease;
}
#drawer.open {
  visibility: visible;
  opacity: 1;
}
.hero-overlay {
  background: linear-gradient(100deg, rgba(250, 246, 240, 0.97) 0%, rgba(250, 246, 240, 0.85) 40%, rgba(31, 27, 22, 0.42) 100%);
}
.hero-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(31, 27, 22, 0.16);
  aspect-ratio: 4/3;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  background-color: var(--c-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px rgba(198, 61, 47, 0.25);
}
.btn-primary:hover {
  background-color: var(--c-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(198, 61, 47, 0.32);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  border: 1px solid var(--c-line);
  background-color: transparent;
  color: var(--c-ink);
  font-weight: 600;
  font-size: 1rem;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.btn-secondary:hover {
  background-color: #f0eae0;
  border-color: var(--c-muted);
}
.btn-secondary:active {
  transform: scale(0.98);
}
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  background-color: #fff;
  color: var(--c-primary);
  font-weight: 700;
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}
.btn-white:hover {
  background-color: #faf6f0;
  transform: translateY(-1px);
}
.btn-white:active {
  transform: scale(0.98);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.875rem;
  border-radius: 9999px;
  background-color: rgba(198, 61, 47, 0.1);
  color: var(--c-primary);
  font-size: 0.75rem;
  font-weight: 600;
}
@media (min-width: 768px) {
  .badge {
    font-size: 0.875rem;
  }
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--c-primary);
  font-weight: 600;
  font-size: 0.875rem;
  transition: gap 0.2s ease;
}
.link-arrow:hover {
  gap: 0.5rem;
}
.faq-item {
  background-color: #fff;
  border: 1px solid var(--c-line);
  border-radius: 1rem;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-item:hover {
  border-color: var(--c-primary);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  font-size: 1.0625rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color 0.2s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--c-primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  line-height: 1;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item .faq-content {
  padding: 0 1.5rem 1.25rem;
  color: var(--c-muted);
  line-height: 1.75;
}
.footer-link {
  color: #A8A09A;
  transition: color 0.2s ease;
}
.footer-link:hover {
  color: #ffffff;
}
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 1.125rem;
  border-radius: 9999px;
  border: 1px solid var(--c-line);
  background-color: #fff;
  color: var(--c-muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.chip:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
  background-color: rgba(198, 61, 47, 0.04);
}
.chip-active {
  background-color: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
}
.chip-active:hover {
  background-color: var(--c-primary-dark);
  color: #fff;
}
.brand-card {
  background-color: #fff;
  border: 1px solid var(--c-line);
  border-radius: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}
.brand-card:hover {
  border-color: var(--c-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.thumb-wrap {
  overflow: hidden;
  border-radius: 0.75rem;
  flex-shrink: 0;
  background-color: #f0eae0;
}
.thumb-wrap img {
  transition: transform 0.5s ease;
}
.brand-card:hover .thumb-wrap img {
  transform: scale(1.05);
}
.feature-card {
  background-color: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover {
  border-color: var(--c-primary);
  box-shadow: var(--shadow-md);
}
.feature-card .feature-thumb {
  overflow: hidden;
}
.feature-card .feature-thumb img {
  transition: transform 0.6s ease;
}
.feature-card:hover .feature-thumb img {
  transform: scale(1.04);
}
.pager-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.75rem;
  border-radius: 9999px;
  border: 1px solid var(--c-line);
  background-color: #fff;
  color: var(--c-ink);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.2s ease;
}
.pager-btn:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
  background-color: rgba(198, 61, 47, 0.04);
}
.pager-current {
  background-color: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
}
.pager-current:hover {
  background-color: var(--c-primary-dark);
  color: #fff;
}
.pager-disabled {
  opacity: 0.4;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}