/* roulang page: index */
:root {
  --primary: #2C7A99;
  --primary-dark: #1F5A73;
  --primary-light: #E7F1F6;
  --accent: #D9A441;
  --accent-light: #FDF3E0;
  --bg: #F4F7FB;
  --card-bg: #FFFFFF;
  --text: #1E2A33;
  --text-secondary: #5E6E79;
  --border: #E2E8F0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(30, 42, 51, 0.06);
  --shadow-hover: 0 10px 24px rgba(30, 42, 51, 0.12);
  --space-section: 80px;
  --space-section-mobile: 40px;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: inline-block;
  vertical-align: middle;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover, a:focus {
  color: var(--primary-dark);
}

ul {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 248px;
  height: 100vh;
  background: var(--card-bg);
  border-right: 1px solid var(--border);
  box-shadow: 2px 0 12px rgba(30, 42, 51, 0.04);
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 28px 0;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 0 24px 28px;
  border-bottom: 1px solid var(--border);
}

.brand-logo {
  display: inline-block;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 0.02em;
  line-height: 1.4;
  position: relative;
}

.brand-logo .brand-mark {
  color: var(--accent);
}

.sidebar-nav {
  flex: 1;
  padding: 18px 0;
}

.sidebar-nav .nav-list {
  padding: 0 12px;
}

.sidebar-nav .nav-item {
  margin-bottom: 4px;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-left: 3px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.sidebar-nav .nav-link i {
  font-size: 16px;
  width: 20px;
  text-align: center;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link:focus,
.sidebar-nav .nav-link.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  border-left-color: var(--primary);
}

.sidebar-nav .nav-link:hover i,
.sidebar-nav .nav-link:focus i,
.sidebar-nav .nav-link.active i {
  color: var(--primary);
}

.sidebar-foot {
  padding: 20px 24px 8px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.main-wrapper {
  margin-left: 248px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.mobile-topbar {
  display: none;
}

.page-content {
  flex: 1;
}

.hero {
  position: relative;
  min-height: 65vh;
  display: flex;
  align-items: center;
  background: linear-gradient(120deg, rgba(31, 90, 115, 0.94) 0%, rgba(44, 122, 153, 0.82) 45%, rgba(44, 122, 153, 0.55) 100%), url('/assets/images/backpic/back-1.png') center 60% / cover no-repeat;
  padding: 90px 0;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(217, 164, 65, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.hero .hero-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 24px;
}

.hero .hero-badge i {
  color: var(--accent);
}

.hero h1 {
  font-size: 44px;
  line-height: 1.3;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.hero .hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 36px;
}

.hero .hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-primary:hover, .btn-primary:active {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(31, 90, 115, 0.3);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

.btn-outline:hover, .btn-outline:active {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
}

.btn-accent:hover, .btn-accent:active {
  background: #c7962f;
  border-color: #c7962f;
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(217, 164, 65, 0.35);
}

.section {
  padding: var(--space-section) 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px;
  flex-wrap: wrap;
}

.section-head .section-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  position: relative;
}

.section-head .section-title i {
  color: var(--accent);
  margin-right: 8px;
}

.section-head .section-desc {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 420px;
}

.section-topline {
  display: block;
  width: 44px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 12px;
}

.directory-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.directory-item {
  display: flex;
  align-items: center;
  gap: 28px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.directory-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.directory-item .dir-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary-light);
  line-height: 1;
  flex-shrink: 0;
  width: 70px;
  text-align: center;
  padding: 14px 0;
  background: linear-gradient(135deg, var(--primary-light), #f0f6fa);
  border-radius: var(--radius-sm);
}

.directory-item .dir-body {
  flex: 1;
}

.directory-item .dir-body h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.directory-item .dir-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.directory-item .dir-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  transition: background 0.2s, color 0.2s;
}

.directory-item .dir-link:hover {
  background: var(--primary);
  color: #fff;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.featured-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.featured-card .card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.featured-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.featured-card:hover .card-media img {
  transform: scale(1.04);
}

.featured-card .card-body {
  padding: 28px;
}

.featured-card .card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.featured-card .card-badge.hot {
  background: var(--accent-light);
  color: #9a771a;
}

.featured-card h3 {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 10px;
}

.featured-card h3 a {
  color: var(--text);
}

.featured-card h3 a:hover {
  color: var(--primary);
}

.featured-card .card-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.featured-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.featured-card .card-meta .read-link {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.featured-card .card-meta .read-link:hover {
  color: var(--primary-dark);
}

.stats-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  border-radius: 20px;
  padding: 60px 50px;
  margin: 0 32px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.stat-item {
  text-align: center;
  padding: 20px;
}

.stat-item .stat-num {
  display: flex;
  align-items: baseline;
  justify-content: center;
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-item .stat-num .stat-unit {
  font-size: 18px;
  margin-left: 4px;
  color: var(--accent);
}

.stat-item .stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.section-alt {
  background: #fff;
  border-top: 1px solid var(--border);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.news-list .news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 18px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
  border-radius: var(--radius-sm);
}

.news-list .news-item:hover {
  background: var(--primary-light);
}

.news-list .news-item:last-child {
  border-bottom: none;
}

.news-item .news-tag {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary-dark);
  min-width: 92px;
  text-align: center;
  justify-content: center;
}

.news-item .news-title {
  flex: 1;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-item:hover .news-title {
  color: var(--primary);
}

.news-item .news-date {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.recommend-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.recommend-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.recommend-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.recommend-card .quote-icon {
  font-size: 28px;
  color: var(--accent);
}

.recommend-card blockquote {
  border: none;
  padding: 0;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.recommend-card .quote-author {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}

.recommend-card .quote-author .author-dot {
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.recommend-card .quote-author strong {
  color: var(--text);
  font-weight: 600;
}

.recommend-card .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.recommend-card .tag-list .tag {
  display: inline-block;
  font-size: 13px;
  padding: 6px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.recommend-card .tag-list .tag:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.faq-section {
  background: var(--bg);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow 0.25s;
}

.faq-item:hover {
  box-shadow: var(--shadow-hover);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: color 0.2s;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.faq-item[open] summary .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-item summary:hover {
  color: var(--primary);
}

.faq-item .faq-answer {
  padding: 0 28px 24px 66px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.cta-section {
  background: linear-gradient(120deg, rgba(31, 90, 115, 0.95) 0%, rgba(44, 122, 153, 0.85) 100%), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  padding: 80px 0;
  text-align: center;
}

.cta-section .cta-inner {
  max-width: 640px;
  margin: 0 auto;
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
}

.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.site-footer {
  background: #16252E;
  padding: 60px 0 0;
  color: rgba(255, 255, 255, 0.8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .brand-logo {
  color: #fff;
  font-size: 22px;
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand .brand-logo .brand-mark {
  color: var(--accent);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 280px;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s, padding-left 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
}

.footer-contact li i {
  color: var(--accent);
  margin-top: 4px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.backtop-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  box-shadow: 0 4px 16px rgba(31, 90, 115, 0.3);
  cursor: pointer;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s ease;
}

.backtop-btn.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.backtop-btn:hover {
  background: var(--primary-dark);
}

.empty-tip {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  font-size: 15px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

@media (max-width: 1023px) {
  .sidebar {
    display: none;
  }

  .main-wrapper {
    margin-left: 0;
  }

  .mobile-topbar {
    display: block;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 14px 20px;
    position: sticky;
    top: 0;
    z-index: 200;
    box-shadow: 0 2px 8px rgba(30, 42, 51, 0.04);
  }

  .mobile-topbar .topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-topbar .brand-logo {
    font-size: 18px;
  }

  .mobile-menu-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    font-size: 22px;
    color: var(--primary-dark);
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-menu-btn:focus {
    background: var(--primary-light);
  }

  .mobile-nav {
    display: none;
    padding: 12px 0 16px;
  }

  .mobile-nav.open {
    display: block;
  }

  .mobile-nav .mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .mobile-nav .mobile-nav-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
  }

  .mobile-nav .mobile-nav-links a i {
    width: 20px;
    text-align: center;
    color: var(--text-secondary);
  }

  .mobile-nav .mobile-nav-links a:hover,
  .mobile-nav .mobile-nav-links a.active {
    background: var(--primary-light);
    color: var(--primary-dark);
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: var(--space-section-mobile) 0;
  }

  .hero {
    min-height: 55vh;
    padding: 60px 0;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero .hero-sub {
    font-size: 16px;
  }

  .hero .hero-btns .btn {
    width: 100%;
    justify-content: center;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 28px;
  }

  .section-head .section-title {
    font-size: 24px;
  }

  .directory-item {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
    gap: 16px;
  }

  .directory-item .dir-link {
    width: 100%;
    justify-content: center;
  }

  .directory-item .dir-num {
    width: 56px;
    font-size: 28px;
  }

  .featured-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .stats-section {
    margin: 0 20px;
    padding: 40px 20px;
    border-radius: 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .stat-item .stat-num {
    font-size: 34px;
  }

  .recommend-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .news-list .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 20px 16px;
  }

  .news-item .news-title {
    white-space: normal;
    font-size: 15px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-section {
    padding: 60px 20px;
  }

  .cta-section h2 {
    font-size: 24px;
  }

  .cta-btns .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .featured-card .card-body {
    padding: 20px;
  }

  .directory-item .dir-body h3 {
    font-size: 17px;
  }

  .faq-item summary {
    padding: 16px 20px;
    font-size: 15px;
  }

  .faq-item .faq-answer {
    padding: 0 20px 20px 20px;
  }
}

/* roulang page: category1 */
:root {
            --primary: #2C7A99;
            --primary-dark: #1F5A73;
            --accent: #D9A441;
            --bg: #F4F7FB;
            --card-bg: #FFFFFF;
            --text: #1E2A33;
            --text-secondary: #5E6E79;
            --border: #E2E8F0;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-full: 20px;
            --shadow-sm: 0 2px 8px rgba(30, 42, 51, .06);
            --shadow-lg: 0 10px 24px rgba(30, 42, 51, .12);
            --transition: .2s ease;
            --sidebar-width: 260px;
            --topbar-height: 64px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
            height: auto;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: 1200px;
            padding-left: 32px;
            padding-right: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            text-decoration: none;
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, .72);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .15);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: #EAF2F7;
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: #C7902D;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            background: #EAF2F7;
            color: var(--primary);
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .6px;
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 44px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin: 12px 0 8px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: var(--primary);
            transition: all var(--transition);
        }

        .text-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== 侧栏 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: #fff;
            border-right: 1px solid var(--border);
            box-shadow: 0 0 24px rgba(30, 42, 51, .06);
            z-index: 110;
            padding: 32px 22px 28px;
            display: flex;
            flex-direction: column;
            transition: transform .28s ease;
        }

        .sidebar-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .brand-logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            margin-bottom: 38px;
            padding: 0 4px;
        }

        .brand-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .5px;
        }

        .brand-mark {
            color: var(--accent);
            font-weight: 700;
        }

        .sidebar-close {
            display: none;
            background: none;
            border: 1px solid var(--border);
            font-size: 16px;
            color: var(--text-secondary);
            position: absolute;
            top: 22px;
            right: 16px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            z-index: 1;
            transition: all var(--transition);
        }

        .sidebar-close:hover {
            background: #F0F6FA;
            color: var(--primary);
        }

        .sidebar-nav {
            flex: 1;
        }

        .nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-item {
            margin-bottom: 6px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 14px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            text-decoration: none;
            border-left: 3px solid transparent;
            transition: all var(--transition);
        }

        .nav-link i {
            width: 20px;
            text-align: center;
            color: #9BB0BD;
            transition: color var(--transition);
            font-size: 15px;
        }

        .nav-link:hover {
            background: #F0F6FA;
            color: var(--primary);
        }

        .nav-link:hover i {
            color: var(--primary);
        }

        .nav-link.active {
            background: #EAF2F7;
            color: var(--primary-dark);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active i {
            color: var(--primary);
        }

        .sidebar-meta {
            margin-top: auto;
            padding: 24px 6px 0;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .sidebar-meta strong {
            display: block;
            color: var(--text);
            font-size: 14px;
            margin-bottom: 4px;
        }

        /* ===== 移动端顶栏 ===== */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0 20px;
            height: var(--topbar-height);
            align-items: center;
            justify-content: space-between;
        }

        .mobile-topbar .brand-logo {
            font-size: 18px;
        }

        .menu-toggle {
            background: none;
            border: 1px solid var(--border);
            border-radius: 8px;
            width: 42px;
            height: 42px;
            color: var(--text);
            font-size: 18px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .menu-toggle:hover {
            background: #F0F6FA;
            color: var(--primary);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(30, 42, 51, .45);
            z-index: 105;
            opacity: 0;
            visibility: hidden;
            transition: all .25s ease;
            border: none;
            cursor: pointer;
        }

        .sidebar-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        /* ===== 主内容 ===== */
        .main-shell {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--bg);
        }

        .page-content {
            flex: 1;
        }

        /* ===== 分类 Banner ===== */
        .category-hero {
            min-height: 44vh;
            background: linear-gradient(120deg, rgba(31, 90, 115, .92) 20%, rgba(44, 122, 153, .76) 70%, rgba(44, 122, 153, .55)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            display: flex;
            align-items: center;
            padding: 72px 0 60px;
            position: relative;
            color: #fff;
        }

        .category-hero-inner {
            max-width: 720px;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .5px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: var(--radius-full);
            padding: 5px 14px;
            margin-bottom: 20px;
        }

        .hero-eyebrow i {
            font-size: 13px;
        }

        .category-hero h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 16px;
            color: #fff;
        }

        .category-hero-inner .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .92);
            margin: 0 0 28px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .hero-scroll {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            color: rgba(255, 255, 255, .8);
            font-size: 20px;
            animation: heroBounce 2s infinite;
        }

        @keyframes heroBounce {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(8px);
            }
        }

        /* ===== 指南简介 ===== */
        .guide-intro {
            padding: 80px 0 60px;
            background: var(--bg);
        }

        .guide-intro .intro-copy {
            padding-right: 24px;
        }

        .guide-intro .intro-copy h2 {
            font-size: 30px;
            margin: 14px 0 12px;
            line-height: 1.3;
        }

        .guide-intro .intro-copy p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.75;
            margin: 0;
        }

        .intro-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .stat-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .stat-item strong {
            display: block;
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-item span {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* ===== 编号索引 ===== */
        .guide-index {
            padding: 70px 0 70px;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .index-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .index-item {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            background: #F8FAFC;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .index-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--primary);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .index-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            background: #fff;
        }

        .index-item:hover::before {
            opacity: 1;
        }

        .index-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            min-width: 52px;
            padding-top: 4px;
            opacity: .85;
        }

        .index-body {
            flex: 1;
        }

        .index-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--text);
        }

        .index-body p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 12px;
            line-height: 1.65;
            max-width: 640px;
        }

        /* ===== 图文交错 ===== */
        .guide-feature {
            padding: 80px 0 60px;
            background: var(--bg);
        }

        .feature-blocks {
            display: flex;
            flex-direction: column;
            gap: 44px;
        }

        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .feature-block:hover {
            box-shadow: var(--shadow-lg);
        }

        .feature-block.reverse .feature-image {
            order: 2;
        }

        .feature-image {
            overflow: hidden;
            height: 100%;
            min-height: 260px;
            background: #E8F0F5;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .feature-block:hover .feature-image img {
            transform: scale(1.04);
        }

        .feature-content {
            padding: 36px 36px 36px 0;
        }

        .feature-block.reverse .feature-content {
            padding: 36px 0 36px 36px;
        }

        .feature-content .feature-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: #EAF2F7;
            border-radius: var(--radius-full);
            padding: 4px 12px;
            margin-bottom: 14px;
        }

        .feature-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.35;
        }

        .feature-content p {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ===== 标签云 ===== */
        .guide-tags {
            padding: 70px 0;
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            max-width: 780px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #F4F7FB;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .tag i {
            font-size: 12px;
            color: var(--primary);
        }

        .tag:hover {
            background: #EAF2F7;
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .tag.tag-featured {
            background: #EAF2F7;
            color: var(--primary-dark);
            border-color: rgba(44, 122, 153, .25);
            font-weight: 600;
        }

        /* ===== FAQ ===== */
        .guide-faq {
            padding: 80px 0 60px;
            background: var(--bg);
        }

        .faq-wrap {
            max-width: 860px;
        }

        .accordion {
            background: transparent;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
            list-style: none;
            padding: 0;
        }

        .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .accordion-item:hover {
            box-shadow: var(--shadow-lg);
        }

        .accordion-title {
            font-size: 16px !important;
            font-weight: 600 !important;
            color: var(--text) !important;
            padding: 20px 24px !important;
            background: #fff !important;
            border: none !important;
            position: relative;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-left: 3px solid transparent !important;
        }

        .accordion-title::after {
            content: '\f078' !important;
            font-family: "Font Awesome 6 Free" !important;
            font-weight: 900;
            font-size: 14px !important;
            color: var(--primary) !important;
            margin-left: 12px;
            transition: transform var(--transition);
        }

        .accordion-item.is-active .accordion-title {
            color: var(--primary-dark) !important;
            border-left-color: var(--primary) !important;
            background: #F8FAFC !important;
        }

        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }

        .accordion-content {
            background: #F8FAFC !important;
            color: var(--text-secondary) !important;
            font-size: 15px;
            line-height: 1.7;
            border: none !important;
            padding: 4px 24px 22px !important;
        }

        .accordion-content p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .guide-cta {
            padding: 76px 0 80px;
            background: linear-gradient(135deg, #16252E 0%, #1F3642 100%);
            border-top: 1px solid var(--border);
        }

        .cta-box {
            background: #fff;
            border-radius: 16px;
            padding: 56px 48px;
            text-align: center;
            box-shadow: 0 16px 40px rgba(0, 0, 0, .12);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(217, 164, 65, .08);
        }

        .cta-box h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--text);
        }

        .cta-box p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0 0 28px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-box .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #16252E;
            color: #A7B7C2;
            padding: 56px 0 24px;
            font-size: 14px;
        }

        .site-footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-logo {
            font-size: 20px;
            color: #fff;
            margin-bottom: 12px;
            display: block;
        }

        .footer-brand p {
            margin: 0;
            line-height: 1.7;
            color: #8FA3B2;
            max-width: 340px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #A7B7C2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-links i {
            font-size: 12px;
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 20px;
            text-align: center;
            color: #7C8F9E;
            font-size: 13px;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023.98px) {
            .sidebar {
                transform: translateX(-100%);
                width: 288px;
                padding-top: 28px;
                box-shadow: 6px 0 30px rgba(30, 42, 51, .12);
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .sidebar-close {
                display: inline-flex;
            }

            .mobile-topbar {
                display: flex;
            }

            .sidebar-overlay {
                display: block;
            }

            .main-shell {
                margin-left: 0;
            }

            .category-hero {
                min-height: auto;
                padding: 68px 0 56px;
            }

            .category-hero h1 {
                font-size: 34px;
            }

            .category-hero-inner .hero-subtitle {
                font-size: 16px;
            }

            .guide-intro {
                padding: 60px 0 44px;
            }

            .guide-feature {
                padding: 60px 0 44px;
            }

            .guide-faq {
                padding: 60px 0 44px;
            }

            .feature-block,
            .feature-block.reverse {
                grid-template-columns: 1fr;
            }

            .feature-block.reverse .feature-image {
                order: 0;
            }

            .feature-content,
            .feature-block.reverse .feature-content {
                padding: 0 28px 32px;
            }

            .feature-image {
                min-height: 220px;
            }

            .cta-box {
                padding: 44px 28px;
            }
        }

        @media (max-width: 767.98px) {
            .grid-container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                justify-content: center;
            }

            .intro-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                margin-top: 28px;
            }

            .stat-item {
                padding: 18px 16px;
            }

            .stat-item strong {
                font-size: 22px;
            }

            .index-item {
                flex-direction: column;
                gap: 12px;
                padding: 22px 20px;
            }

            .index-num {
                font-size: 24px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .feature-content h3 {
                font-size: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .section-head {
                margin-bottom: 28px;
            }

            .cta-box h2 {
                font-size: 23px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-actions .btn {
                justify-content: center;
            }

            .faq-wrap {
                padding: 0 4px;
            }

            .accordion-title {
                font-size: 15px !important;
                padding: 18px 16px !important;
                line-height: 1.5;
            }

            .accordion-content {
                padding: 4px 16px 18px !important;
                font-size: 14px;
            }
        }

        @media (max-width: 519.98px) {
            .intro-stats {
                grid-template-columns: 1fr;
            }

            .category-hero {
                padding: 56px 0 48px;
            }

            .category-hero h1 {
                font-size: 25px;
            }

            .hero-eyebrow {
                font-size: 13px;
            }

            .tag-cloud {
                gap: 8px;
            }

            .tag {
                font-size: 13px;
                padding: 6px 14px;
            }
        }

/* roulang page: article */
:root {
      --primary: #2C7A99;
      --primary-dark: #1F5A73;
      --accent: #D9A441;
      --bg: #F4F7FB;
      --card-bg: #FFFFFF;
      --text: #1E2A33;
      --muted: #5E6E79;
      --border: #E2E8F0;
      --radius: 12px;
      --radius-sm: 8px;
      --shadow: 0 2px 8px rgba(30, 42, 51, .06);
      --shadow-hover: 0 10px 24px rgba(30, 42, 51, .12);
      --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font);
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color .2s;
    }

    a:hover {
      color: var(--primary-dark);
    }

    img {
      max-width: 100%;
      display: block;
    }

    ul, ol {
      list-style: none;
    }

    button, input, select, textarea {
      font-family: inherit;
    }

    .skip-link {
      position: absolute;
      left: -9999px;
      top: 0;
      background: var(--primary);
      color: #fff;
      padding: 10px 16px;
      border-radius: 0 0 8px 0;
      z-index: 9999;
    }

    .skip-link:focus {
      left: 0;
      color: #fff;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 32px;
    }

    .site-shell {
      display: flex;
      min-height: 100vh;
    }

    .sidebar {
      width: 250px;
      flex-shrink: 0;
      background: var(--card-bg);
      border-right: 1px solid var(--border);
      padding: 32px 24px;
      position: fixed;
      top: 0;
      bottom: 0;
      left: 0;
      overflow-y: auto;
      z-index: 100;
      display: flex;
      flex-direction: column;
    }

    .brand-logo {
      display: inline-flex;
      font-size: 22px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.3;
    }

    .brand-logo .brand-mark {
      color: var(--primary);
    }

    .sidebar .brand-logo {
      margin-bottom: 36px;
      padding-left: 8px;
    }

    .sidebar-nav {
      margin-top: 8px;
    }

    .nav-list {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .nav-item {
      position: relative;
    }

    .nav-link {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 16px;
      border-radius: 8px;
      color: var(--text);
      font-weight: 600;
      font-size: 14px;
      transition: background .2s, color .2s;
    }

    .nav-link i {
      width: 20px;
      text-align: center;
      color: var(--muted);
      font-size: 15px;
      transition: color .2s;
    }

    .nav-link:hover {
      background: #EDF3F8;
      color: var(--primary-dark);
    }

    .nav-link.active {
      background: #E5F0F5;
      color: var(--primary-dark);
      font-weight: 700;
    }

    .nav-link.active::before {
      content: '';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 24px;
      border-radius: 0 4px 4px 0;
      background: var(--primary);
    }

    .nav-link.active i {
      color: var(--primary);
    }

    .mobile-header {
      display: none;
      position: sticky;
      top: 0;
      z-index: 220;
      background: #fff;
      border-bottom: 1px solid var(--border);
      padding: 14px 20px;
      align-items: center;
      justify-content: space-between;
    }

    .mobile-header .brand-logo {
      font-size: 19px;
    }

    .mobile-menu-btn {
      background: none;
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 8px 12px;
      font-size: 18px;
      color: var(--text);
      cursor: pointer;
      transition: border-color .2s, color .2s;
    }

    .mobile-menu-btn:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    .mobile-menu-btn:focus {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    .main-content {
      flex: 1;
      margin-left: 250px;
      min-width: 0;
      display: flex;
      flex-direction: column;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: all .2s;
      line-height: 1.4;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .btn-outline {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-outline:hover {
      background: rgba(44, 122, 153, .08);
      color: var(--primary-dark);
    }

    .btn-gold {
      background: var(--accent);
      color: #fff;
    }

    .btn-gold:hover {
      background: #c7942e;
      color: #fff;
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .btn:focus,
    .nav-link:focus,
    .tag:focus,
    a:focus {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      border-radius: 4px;
    }

    .article-hero {
      position: relative;
      background: linear-gradient(100deg, rgba(31, 90, 115, .95) 0%, rgba(44, 122, 153, .75) 55%, rgba(31, 90, 115, .45) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      padding: 96px 0 72px;
      color: #fff;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      font-size: 14px;
      margin-bottom: 20px;
      color: #D6E5ED;
    }

    .breadcrumb a {
      color: #D6E5ED;
    }

    .breadcrumb a:hover {
      color: #fff;
    }

    .breadcrumb .sep {
      margin: 0 8px;
      opacity: .6;
      font-style: normal;
    }

    .breadcrumb-current {
      max-width: 320px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      display: inline-block;
      vertical-align: bottom;
      color: #fff;
    }

    .article-page-title {
      font-size: 40px;
      line-height: 1.3;
      font-weight: 700;
      margin-bottom: 16px;
      color: #fff;
      text-shadow: 0 2px 12px rgba(0, 0, 0, .15);
      max-width: 900px;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      font-size: 14px;
      color: #D6E5ED;
    }

    .article-meta i {
      margin-right: 6px;
      color: var(--accent);
    }

    .article-card-wrap {
      padding: 0 0 24px;
    }

    .article-card {
      background: #fff;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 48px 56px;
      margin-top: -36px;
      position: relative;
      z-index: 3;
    }

    .article-body {
      max-width: 760px;
      margin: 0 auto;
      font-size: 16px;
      line-height: 1.8;
    }

    .article-body h2 {
      font-size: 26px;
      font-weight: 700;
      margin: 48px 0 16px;
      color: var(--text);
      padding-bottom: 12px;
      border-bottom: 2px solid #EAF1F6;
    }

    .article-body h3 {
      font-size: 20px;
      font-weight: 700;
      margin: 32px 0 12px;
      color: var(--text);
    }

    .article-body p {
      margin-bottom: 20px;
      color: #2A3944;
    }

    .article-body ul,
    .article-body ol {
      margin: 0 0 24px 28px;
    }

    .article-body li {
      margin-bottom: 8px;
    }

    .article-body a {
      color: var(--primary);
      border-bottom: 1px solid transparent;
    }

    .article-body a:hover {
      border-bottom-color: var(--primary);
    }

    .article-body blockquote {
      border-left: 4px solid var(--primary);
      background: #F0F6F9;
      padding: 16px 24px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin: 24px 0;
    }

    .article-body img {
      border-radius: var(--radius);
      margin: 24px 0;
      box-shadow: var(--shadow);
    }

    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 24px 0;
    }

    .article-body th,
    .article-body td {
      border: 1px solid var(--border);
      padding: 12px 16px;
      text-align: left;
    }

    .article-body th {
      background: #F0F6F9;
      font-weight: 600;
    }

    .empty-box {
      text-align: center;
      padding: 48px 16px;
      color: var(--muted);
    }

    .empty-box .btn {
      margin-top: 16px;
    }

    .article-tags {
      border-top: 1px solid var(--border);
      margin-top: 40px;
      padding-top: 24px;
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    .section-label {
      font-size: 13px;
      color: var(--muted);
      font-weight: 600;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 5px 14px;
      border-radius: 20px;
      background: #EDF3F8;
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      transition: background .2s, color .2s;
    }

    .tag:hover {
      background: var(--primary);
      color: #fff;
    }

    .related-section {
      padding: 80px 0;
    }

    .section-head {
      margin-bottom: 40px;
      text-align: center;
    }

    .section-head h2 {
      font-size: 32px;
      font-weight: 700;
      color: var(--text);
      position: relative;
      display: inline-block;
      padding-bottom: 12px;
    }

    .section-head h2::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 48px;
      height: 3px;
      border-radius: 3px;
      background: var(--accent);
    }

    .section-head p {
      margin-top: 12px;
      color: var(--muted);
      font-size: 15px;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 48px;
    }

    .related-card {
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: transform .25s, box-shadow .25s;
      display: flex;
      flex-direction: column;
    }

    .related-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .related-card img {
      height: 168px;
      width: 100%;
      object-fit: cover;
      transition: transform .3s;
    }

    .related-card:hover img {
      transform: scale(1.03);
    }

    .related-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex: 1;
    }

    .related-card-body .tag {
      align-self: flex-start;
    }

    .related-card-body h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.4;
    }

    .related-card-body p {
      font-size: 14px;
      color: var(--muted);
      flex: 1;
    }

    .read-more {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
    }

    .related-card:hover .read-more {
      color: var(--primary-dark);
    }

    .related-cta {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .site-footer {
      background: #16252E;
      color: #A9BFCB;
      padding: 56px 0 24px;
      margin-top: auto;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
    }

    .footer-brand .brand-logo {
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-brand p {
      margin-top: 12px;
      font-size: 14px;
      max-width: 340px;
      line-height: 1.8;
    }

    .footer-title {
      color: #fff;
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a {
      color: #A9BFCB;
      font-size: 14px;
      transition: color .2s, padding-left .2s;
    }

    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-links i {
      margin-right: 6px;
      color: var(--accent);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .1);
      margin-top: 48px;
      padding-top: 24px;
      text-align: center;
      color: #7E97A5;
      font-size: 13px;
    }

    @media (min-width: 640px) and (max-width: 1023.98px) {
      .related-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 1023.98px) {
      .sidebar {
        display: none;
      }

      .mobile-header {
        display: flex;
      }

      .main-content {
        margin-left: 0;
      }

      body.mobile-menu-open .sidebar {
        display: flex;
        position: fixed;
        top: 58px;
        left: 0;
        right: 0;
        bottom: auto;
        width: 100%;
        height: auto;
        max-height: calc(100vh - 58px);
        overflow-y: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 20px;
        z-index: 150;
        box-shadow: var(--shadow-hover);
      }

      body.mobile-menu-open .sidebar .brand-logo {
        display: none;
      }
    }

    @media (max-width: 639.98px) {
      .container {
        padding: 0 20px;
      }

      .article-hero {
        padding: 64px 0 48px;
      }

      .article-page-title {
        font-size: 30px;
      }

      .article-card {
        padding: 24px 20px;
        margin-top: -28px;
      }

      .article-body {
        font-size: 15px;
      }

      .article-meta {
        flex-direction: column;
        gap: 6px;
      }

      .related-grid {
        grid-template-columns: 1fr;
      }

      .related-cta .btn {
        width: 100%;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .breadcrumb-current {
        max-width: 160px;
      }
    }

/* roulang page: category2 */
:root {
            --primary: #2C7A99;
            --primary-dark: #1F5A73;
            --accent: #D9A441;
            --bg: #F4F7FB;
            --card-bg: #FFFFFF;
            --text: #1E2A33;
            --text-secondary: #5E6E79;
            --border: #E2E8F0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 8px rgba(30, 42, 51, .06);
            --shadow-hover: 0 10px 24px rgba(30, 42, 51, .12);
            --transition: .2s ease;
            --sidebar-width: 260px;
            --footer-bg: #16252E;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 15px;
            line-height: 1.7;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        .grid-container {
            max-width: 1200px;
            padding-left: 32px;
            padding-right: 32px;
        }
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 8px rgba(30, 42, 51, .04);
        }
        .mobile-brand {
            display: inline-flex;
            align-items: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
        }
        .mobile-brand .brand-mark {
            color: var(--accent);
        }
        .mobile-menu-toggle {
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .mobile-menu-toggle:hover,
        .mobile-menu-toggle:focus {
            background: rgba(44, 122, 153, .08);
            outline: none;
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 50px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 10px 24px rgba(30, 42, 51, .08);
            z-index: 999;
            padding: 12px 20px 18px;
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 10px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
            font-weight: 500;
            font-size: 15px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .mobile-nav-panel a:hover {
            background: rgba(44, 122, 153, .05);
        }
        .mobile-nav-panel a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-nav-panel li:last-child a {
            border-bottom: none;
        }
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #fff;
            border-right: 1px solid var(--border);
            padding: 32px 24px;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 1px 0 10px rgba(30, 42, 51, .03);
        }
        .sidebar-brand {
            display: inline-block;
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            padding-bottom: 28px;
            margin-bottom: 24px;
            border-bottom: 1px solid var(--border);
            line-height: 1.3;
        }
        .sidebar-brand .brand-mark {
            color: var(--accent);
        }
        .sidebar-nav {
            flex: 1;
        }
        .nav-list,
        .nav-item {
            margin: 0;
            padding: 0;
        }
        .nav-item {
            margin-bottom: 8px;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: 10px;
            border-left: 3px solid transparent;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            line-height: 1.4;
            background: transparent;
            transition: all var(--transition);
        }
        .nav-link i {
            width: 18px;
            text-align: center;
            font-size: 15px;
            color: inherit;
        }
        .nav-link:hover {
            background: rgba(44, 122, 153, .06);
            color: var(--primary);
        }
        .nav-link:focus {
            outline: 2px solid rgba(44, 122, 153, .35);
            outline-offset: 2px;
        }
        .nav-link.active {
            background: rgba(44, 122, 153, .1);
            color: var(--primary);
            border-left-color: var(--primary);
            font-weight: 600;
        }
        .site-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .site-content main {
            flex: 1;
        }
        .page-hero {
            position: relative;
            min-height: 420px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding: 88px 0;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(26, 46, 60, .86) 0%, rgba(44, 122, 153, .58) 55%, rgba(26, 46, 60, .18) 100%);
            z-index: 1;
        }
        .page-hero .grid-container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .16);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, .28);
            padding: 7px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .5px;
            margin-bottom: 24px;
            color: #fff;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .page-hero h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            max-width: 620px;
        }
        .hero-lead {
            font-size: 17px;
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 32px;
            color: rgba(255, 255, 255, .88);
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .button {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            border: 2px solid transparent;
            transition: all var(--transition);
            cursor: pointer;
            margin: 0;
        }
        .button:hover {
            transform: translateY(-2px);
        }
        .button:focus {
            outline: 2px solid rgba(44, 122, 153, .4);
            outline-offset: 3px;
        }
        .hero-btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .hero-btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
        }
        .hero-btn-secondary {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .65);
        }
        .hero-btn-secondary:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
        }
        .section {
            padding: 84px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            max-width: 640px;
            margin-bottom: 44px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
            position: relative;
            padding-bottom: 14px;
        }
        .section-head h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: var(--accent);
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .dimension-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 30px 26px;
            height: 100%;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .dimension-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .dimension-card i {
            font-size: 30px;
            color: var(--primary);
            margin-bottom: 18px;
            display: inline-block;
            background: rgba(44, 122, 153, .1);
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .dimension-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }
        .dimension-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .scene-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 30px 28px;
            height: 100%;
            transition: all var(--transition);
        }
        .scene-card:hover {
            background: #fff;
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(44, 122, 153, .2);
        }
        .scene-card .scene-icon {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 14px;
            display: block;
        }
        .scene-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }
        .scene-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .media-row {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 64px;
        }
        .media-row:last-child {
            margin-bottom: 0;
        }
        .media-row.reversed .media-image {
            order: 2;
        }
        .media-row.reversed .media-text {
            order: 1;
        }
        .media-image {
            flex: 1 1 48%;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: #fff;
            transition: box-shadow var(--transition);
        }
        .media-image:hover {
            box-shadow: var(--shadow-hover);
        }
        .media-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16 / 11;
            transition: transform .35s ease;
        }
        .media-image:hover img {
            transform: scale(1.03);
        }
        .media-text {
            flex: 1 1 48%;
        }
        .review-quote {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 32px 28px;
            margin: 0;
            box-shadow: var(--shadow-card);
            position: relative;
            border-left: 4px solid var(--primary);
        }
        .review-quote i {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 12px;
            opacity: .7;
        }
        .review-quote p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 16px;
        }
        .review-quote cite {
            display: block;
            font-style: normal;
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 600;
            letter-spacing: .5px;
        }
        .review-quote cite::before {
            content: '—— ';
            color: var(--accent);
        }
        .point-item {
            display: flex;
            gap: 24px;
            padding: 30px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .point-item:last-child {
            border-bottom: none;
        }
        .point-item:hover {
            background: rgba(44, 122, 153, .03);
            border-radius: 12px;
        }
        .point-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(44, 122, 153, .08);
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-style: italic;
        }
        .point-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .point-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .accordion-item {
            background: #fff;
            border: 1px solid var(--border) !important;
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 1px 4px rgba(30, 42, 51, .03);
            transition: box-shadow var(--transition);
        }
        .accordion-item:hover {
            box-shadow: var(--shadow-card);
        }
        .accordion-item .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 22px 28px;
            background: #fff;
            border: none !important;
            border-radius: 0;
            position: relative;
            padding-right: 52px;
            transition: all var(--transition);
            line-height: 1.5;
        }
        .accordion-item .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--text-secondary);
            transition: transform var(--transition);
        }
        .accordion-item.is-active>.accordion-title {
            background: rgba(44, 122, 153, .05);
            color: var(--primary);
            border-left: 4px solid var(--primary) !important;
        }
        .accordion-item.is-active>.accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
            color: var(--primary);
        }
        .accordion-item .accordion-content {
            background: #f8fafc;
            padding: 4px 28px 24px;
            border: none !important;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }
        .accordion-item .accordion-content p {
            margin-bottom: 8px;
            color: var(--text-secondary);
        }
        .cta-section {
            background: var(--footer-bg);
            position: relative;
            padding: 80px 0;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(44, 122, 153, .18) 0%, rgba(22, 37, 46, 0) 100%);
        }
        .cta-section .grid-container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, .75);
            max-width: 520px;
            margin: 0 auto 32px;
        }
        .cta-btn {
            background: var(--accent);
            color: #1E2A33;
            border-color: var(--accent);
            font-size: 16px;
            padding: 14px 38px;
        }
        .cta-btn:hover {
            background: #c89332;
            border-color: #c89332;
            color: #1E2A33;
            transform: translateY(-2px);
        }
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255, 255, 255, .7);
            padding: 64px 0 24px;
        }
        .site-footer .grid-container {
            max-width: 1200px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand .brand-logo {
            font-size: 22px;
            color: #fff;
            font-weight: 700;
            line-height: 1.3;
        }
        .footer-brand .brand-mark {
            color: var(--accent);
        }
        .footer-brand p {
            margin-top: 16px;
            max-width: 380px;
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            line-height: 1.8;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-links {
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: all var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-links i {
            font-size: 12px;
            margin-right: 6px;
        }
        .footer-bottom {
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }
        .footer-bottom p {
            margin-bottom: 0;
        }
        @media (max-width: 1023.98px) {
            .site-sidebar {
                display: none;
            }
            .site-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .page-hero {
                min-height: 360px;
                padding: 72px 0;
            }
            .page-hero h1 {
                font-size: 36px;
            }
            .media-row {
                flex-direction: column;
                gap: 32px;
            }
            .media-row.reversed .media-image {
                order: 1;
            }
            .media-row.reversed .media-text {
                order: 2;
            }
            .section {
                padding: 64px 0;
            }
        }
        @media (max-width: 767.98px) {
            .grid-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .page-hero {
                min-height: 320px;
                padding: 56px 0;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .hero-lead {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .button {
                width: 100%;
                justify-content: center;
            }
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .section-head p {
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .point-item {
                gap: 16px;
                padding: 24px 12px;
                flex-direction: column;
            }
            .point-num {
                width: 44px;
                height: 44px;
                font-size: 22px;
            }
            .accordion-item .accordion-title {
                font-size: 15px;
                padding: 18px 20px;
                padding-right: 44px;
            }
            .accordion-item .accordion-content {
                padding: 0 20px 20px;
            }
        }
        @media (max-width: 519.98px) {
            .page-hero h1 {
                font-size: 26px;
            }
            .hero-lead {
                font-size: 14px;
            }
            .dimension-card {
                padding: 24px 20px;
            }
            .scene-card {
                padding: 26px 20px;
            }
            .review-quote {
                padding: 24px 20px;
            }
            .review-quote p {
                font-size: 14px;
            }
            .media-row {
                gap: 24px;
                margin-bottom: 48px;
            }
            .button {
                padding: 12px 22px;
                font-size: 14px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
            }
        }