/* roulang page: index */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #eff6ff;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fef3c7;
  --bg-body: #f8fafc;
  --bg-dark: #0f172a;
  --bg-dark-light: #1e293b;
  --card-bg: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(2, 6, 23, 0.06);
  --shadow-md: 0 8px 24px rgba(2, 6, 23, 0.08);
  --shadow-lg: 0 20px 50px rgba(2, 6, 23, 0.12);
  --transition: all 0.3s ease;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button {
  font-family: inherit;
}
.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding: 96px 0;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
}
.btn {
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  transition: var(--transition);
}
.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}
.btn-primary {
  background: var(--primary);
  border: none;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.3);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  border: none;
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}
.btn-accent:hover,
.btn-accent:focus {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(245, 158, 11, 0.35);
}
.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 10px rgba(2, 6, 23, 0.04);
}
.site-header .navbar {
  padding: 12px 0;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--text-main);
  padding: 0;
}
.navbar-brand .brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  flex-shrink: 0;
}
.navbar-brand:hover {
  color: var(--primary);
}
.navbar-nav {
  gap: 4px;
}
.navbar .nav-link {
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 20px;
  border-radius: 100px;
  transition: var(--transition);
  font-size: 15px;
}
.navbar .nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.navbar .nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
}
.navbar-cta {
  padding: 10px 24px;
  font-size: 14px;
  flex-shrink: 0;
}
.navbar-toggler {
  border: none;
  padding: 8px;
  color: var(--text-main);
  font-size: 22px;
  line-height: 1;
}
.navbar-toggler:focus {
  box-shadow: none;
  outline: none;
}
.hero {
  position: relative;
  padding: 140px 0 120px;
  background: linear-gradient(135deg, rgba(2, 6, 23, 0.88), rgba(30, 58, 138, 0.78)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.15), transparent);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 22px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-title {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero-title .accent-text {
  color: var(--accent);
}
.hero-subtitle {
  font-size: 19px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.hero-info-bar {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  padding: 18px 32px;
  backdrop-filter: blur(10px);
  max-width: 640px;
  margin: 0 auto;
}
.info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
}
.info-item i {
  color: var(--accent);
  font-size: 18px;
}
.info-ticker {
  background: var(--bg-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 14px 0;
}
.info-ticker .ticker-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.ticker-badge {
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: 0.5px;
}
.ticker-text {
  color: rgba(255, 255, 255, 0.88);
  font-size: 15px;
  font-weight: 500;
}
.ticker-date {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}
.about-section {
  background: var(--card-bg);
}
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img-wrap img {
  width: 100%;
  height: 440px;
  object-fit: cover;
}
.about-img-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(2, 6, 23, 0.55), transparent);
}
.about-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 14px;
  color: var(--text-main);
  box-shadow: var(--shadow-md);
}
.about-text {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 28px;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  transition: var(--transition);
}
.feature-list li:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.feature-list li i {
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}
.categories-section {
  background: var(--bg-body);
}
.category-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.category-card-img {
  position: relative;
  overflow: hidden;
  height: 190px;
}
.category-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover .category-card-img img {
  transform: scale(1.06);
}
.category-card-img::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(2, 6, 23, 0.35), transparent);
}
.category-icon {
  position: absolute;
  bottom: 16px;
  left: 20px;
  z-index: 2;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.35);
}
.category-card-body {
  padding: 28px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.category-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}
.category-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}
.category-link:hover {
  gap: 14px;
  color: var(--primary-dark);
}
.stats-section {
  background: var(--bg-dark);
  background-image: radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.25), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.15), transparent 40%);
  color: #fff;
  padding: 96px 0;
}
.stat-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.stat-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}
.stat-icon {
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 16px;
}
.stat-number {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}
.news-section {
  background: var(--bg-body);
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  transition: var(--transition);
}
.news-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateX(6px);
}
.news-item-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 130px;
  flex-shrink: 0;
}
.news-cat {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  text-align: center;
  width: fit-content;
}
.news-date {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.news-item-body {
  flex: 1;
}
.news-item-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  transition: var(--transition);
}
.news-item:hover .news-item-body h3 {
  color: var(--primary);
}
.news-item-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}
.news-item-arrow {
  width: 40px;
  height: 40px;
  background: var(--bg-body);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 16px;
  transition: var(--transition);
  flex-shrink: 0;
}
.news-item:hover .news-item-arrow {
  background: var(--primary);
  color: #fff;
}
.empty-news {
  background: var(--card-bg);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
}
.timeline-section {
  background: var(--card-bg);
}
.timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  border-radius: 4px;
}
.timeline-item {
  position: relative;
  padding-left: 64px;
  padding-bottom: 48px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-dot {
  position: absolute;
  left: 10px;
  top: 6px;
  width: 24px;
  height: 24px;
  background: #fff;
  border: 4px solid var(--primary);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.timeline-item:nth-child(even) .timeline-dot {
  border-color: var(--accent);
}
.timeline-phase {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.timeline-item:nth-child(even) .timeline-phase {
  color: var(--accent-dark);
  background: var(--accent-light);
}
.timeline-content h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}
.timeline-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}
.faq-section {
  background: var(--bg-body);
}
.accordion {
  max-width: 800px;
  margin: 0 auto;
  --bs-accordion-border-color: var(--border-color);
  --bs-accordion-border-radius: var(--radius-md);
  --bs-accordion-bg: var(--card-bg);
  --bs-accordion-btn-color: var(--text-main);
}
.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md) !important;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.accordion-button {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  background: var(--card-bg);
  padding: 20px 24px;
  transition: var(--transition);
}
.accordion-button:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary);
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: none;
  border-color: var(--primary);
}
.accordion-button::after {
  flex-shrink: 0;
}
.accordion-body {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
}
.cta-section {
  position: relative;
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.9), rgba(2, 6, 23, 0.95)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 100px 0;
  text-align: center;
}
.cta-section .section-title {
  color: #fff;
}
.cta-section .section-desc {
  color: rgba(255, 255, 255, 0.8);
}
.cta-action {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 36px;
}
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 72px 0 32px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.footer-brand .brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
}
.footer-brand .brand-text {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  margin: 0;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: 48px 0 24px;
}
.footer-copyright {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-copyright a {
  color: rgba(255, 255, 255, 0.5);
}
.footer-copyright a:hover {
  color: var(--accent);
}
@media (max-width: 991px) {
  .section {
    padding: 72px 0;
  }
  .section-title {
    font-size: 30px;
  }
  .hero {
    padding: 100px 0 80px;
  }
  .hero-title {
    font-size: 40px;
  }
  .hero-subtitle {
    font-size: 17px;
  }
  .navbar-nav {
    margin: 16px 0;
    gap: 8px;
  }
  .navbar-cta {
    margin-top: 8px;
    display: inline-block;
    text-align: center;
  }
  .about-img-wrap img {
    height: 340px;
  }
  .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .news-item-left {
    flex-direction: row;
    min-width: 0;
  }
  .news-item-arrow {
    display: none;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 26px;
  }
  .hero {
    padding: 80px 0 60px;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-info-bar {
    gap: 16px;
    padding: 14px 20px;
    flex-direction: column;
  }
  .stats-section {
    padding: 60px 0;
  }
  .stat-number {
    font-size: 36px;
  }
  .stat-card {
    padding: 24px 12px;
    margin-bottom: 24px;
  }
  .feature-list {
    grid-template-columns: 1fr;
  }
  .timeline-item {
    padding-left: 52px;
  }
  .footer-copyright {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .hero-title {
    font-size: 26px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .section-title {
    font-size: 24px;
  }
  .news-item {
    padding: 18px 20px;
  }
  .news-item-body h3 {
    font-size: 16px;
  }
  .category-card-img {
    height: 160px;
  }
  .cta-section {
    padding: 60px 0;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
    :root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --primary-light: #eff6ff;
      --accent: #f59e0b;
      --accent-dark: #d97706;
      --dark-bg: #0f172a;
      --dark-surface: #1e293b;
      --bg-body: #f8fafc;
      --bg-soft: #f1f5f9;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --radius-lg: 1.25rem;
      --radius-md: 0.75rem;
      --radius-sm: 0.5rem;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
      --transition: all 0.25s ease;
      --font-sans: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
    }

    /* ===== 基础 Reset ===== */
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-sans);
      background: var(--bg-body);
      color: var(--text-main);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    a:hover { color: var(--primary); }
    img { max-width: 100%; height: auto; display: block; }
    button, input, select { font-family: inherit; }
    section { position: relative; }
    h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-main); }

    .container-custom {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    @media (max-width: 768px) {
      .container-custom { padding: 0 20px; }
    }

    /* ===== 导航 ===== */
    .site-header {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 1px 8px rgba(15, 23, 42, 0.04);
    }
    .site-header .navbar { padding: 16px 0; }
    .navbar-brand { display: flex; align-items: center; gap: 10px; }
    .brand-icon {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: #fff;
      font-size: 18px;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
      transition: var(--transition);
    }
    .navbar-brand:hover .brand-icon { transform: rotate(-8deg) scale(1.05); background: var(--primary-dark); }
    .brand-text { font-size: 1.35rem; font-weight: 800; letter-spacing: 0.02em; color: var(--text-main); }
    .navbar-nav { gap: 4px; }
    .nav-link {
      font-weight: 600;
      font-size: 0.95rem;
      color: var(--text-muted) !important;
      padding: 8px 16px !important;
      border-radius: 999px;
      transition: var(--transition);
    }
    .nav-link:hover { color: var(--primary) !important; background: var(--primary-light); }
    .nav-link.active { color: var(--primary) !important; background: var(--primary-light); }
    .navbar-cta {
      background: var(--accent);
      border: none;
      color: #fff;
      font-weight: 700;
      padding: 10px 24px;
      border-radius: 999px;
      transition: var(--transition);
      box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
    }
    .navbar-cta:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245, 158, 11, 0.45); }
    .navbar-toggler { border: none; color: var(--text-main); font-size: 22px; padding: 4px 10px; border-radius: 8px; }
    .navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2); }

    /* ===== Hero 头部横幅 ===== */
    .category-hero {
      background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 60%, #fef3c7 100%);
      padding: 72px 0 40px;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .category-hero::before {
      content: "";
      position: absolute;
      top: -80px;
      right: -80px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: rgba(37, 99, 235, 0.08);
      z-index: 0;
    }
    .category-hero .hero-content { position: relative; z-index: 1; }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary);
      color: #fff;
      font-size: 0.85rem;
      font-weight: 700;
      padding: 8px 18px;
      border-radius: 999px;
      margin-bottom: 20px;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
      letter-spacing: 0.5px;
    }
    .category-hero h1 { font-size: 3rem; margin: 12px 0 16px; letter-spacing: 0.02em; }
    .category-hero p.lead { font-size: 1.1rem; color: var(--text-muted); max-width: 640px; }
    .hero-meta { display: flex; gap: 12px; margin-top: 28px; }
    .hero-info-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--border-color);
      border-radius: 999px;
      padding: 6px 16px;
      font-size: 0.9rem;
      color: var(--text-main);
      font-weight: 600;
    }
    .hero-info-chip i { color: var(--primary); }
    @media (max-width: 768px) {
      .category-hero { padding: 48px 0 32px; }
      .category-hero h1 { font-size: 2.2rem; }
      .category-hero p.lead { font-size: 1rem; }
      .hero-meta { flex-wrap: wrap; }
    }

    /* ===== 通用板块间距 ===== */
    .section-spacing { padding: 72px 0; }
    .section-spacing-sm { padding: 48px 0; }
    .section-title-wrap { margin-bottom: 44px; }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 700;
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .section-title { font-size: 2rem; margin-bottom: 12px; letter-spacing: 0.02em; }
    .section-desc { color: var(--text-muted); font-size: 1rem; max-width: 720px; }
    @media (max-width: 768px) {
      .section-spacing { padding: 48px 0; }
      .section-title { font-size: 1.6rem; }
    }

    /* ===== 内容卡片 ===== */
    .content-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      background: #fff;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .content-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }
    .card-img-wrap { position: relative; height: 240px; overflow: hidden; }
    .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
    .content-card:hover .card-img-wrap img { transform: scale(1.05); }
    .card-img-wrap::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(15, 23, 42, 0.35) 0%, transparent 50%);
      pointer-events: none;
    }
    .card-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(255, 255, 255, 0.92);
      color: var(--primary);
      font-weight: 700;
      font-size: 0.8rem;
      padding: 4px 14px;
      border-radius: 999px;
      box-shadow: var(--shadow-sm);
      z-index: 1;
      backdrop-filter: blur(8px);
    }
    .card-body { padding: 20px 24px 24px; }
    .card-body h3 { font-size: 1.15rem; margin-bottom: 10px; }
    .card-body p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }
    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: 600;
      color: var(--primary);
      font-size: 0.9rem;
    }
    .card-link i { transition: transform 0.25s ease; }
    .card-link:hover i { transform: translateX(4px); }

    /* ===== 服务流程步骤 ===== */
    .steps-wrapper { display: flex; gap: 28px; position: relative; }
    .steps-wrapper::before {
      content: "";
      position: absolute;
      top: 32px;
      left: 56px;
      right: 56px;
      height: 2px;
      background: linear-gradient(to right, var(--primary-light), var(--accent));
    }
    .step-item { text-align: center; flex: 1; position: relative; z-index: 1; }
    .step-icon {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin: 0 auto 16px;
      border: 3px solid #fff;
      box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
      transition: var(--transition);
    }
    .step-item:hover .step-icon { background: var(--primary); color: #fff; box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.25); }
    .step-item h3 { font-size: 1rem; margin-bottom: 6px; }
    .step-item p { font-size: 0.88rem; color: var(--text-muted); }
    @media (max-width: 768px) {
      .steps-wrapper { flex-direction: column; gap: 32px; }
      .steps-wrapper::before { display: none; }
    }

    /* ===== 服务时间表 ===== */
    .schedule-panel {
      background: var(--dark-bg);
      border-radius: var(--radius-lg);
      color: #fff;
      padding: 48px;
      position: relative;
      overflow: hidden;
    }
    .schedule-panel::before {
      content: "";
      position: absolute;
      top: -100px;
      right: -100px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(37, 99, 235, 0.2);
    }
    .schedule-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 12px; }
    .schedule-subtitle { color: rgba(255, 255, 255, 0.7); font-size: 0.95rem; margin-bottom: 32px; }
    .schedule-list { list-style: none; padding: 0; margin: 0; }
    .schedule-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 0.95rem;
      gap: 12px;
    }
    .schedule-list li:last-child { border-bottom: none; }
    .schedule-list .badge-status {
      background: rgba(37, 99, 235, 0.4);
      color: #fff;
      font-weight: 600;
      font-size: 0.8rem;
      border-radius: 999px;
      padding: 4px 14px;
      white-space: nowrap;
    }
    .schedule-cta {
      margin-top: 32px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent);
      color: #fff;
      font-weight: 700;
      border: none;
      border-radius: 999px;
      padding: 12px 30px;
      transition: var(--transition);
      font-size: 0.95rem;
    }
    .schedule-cta:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3); }
    @media (max-width: 768px) {
      .schedule-panel { padding: 32px 24px; }
    }

    /* ===== 信息列表 ===== */
    .info-list { list-style: none; padding: 0; margin: 0; }
    .info-list li {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 14px 0;
      border-bottom: 1px dashed var(--border-color);
    }
    .info-list li:last-child { border-bottom: none; }
    .info-check {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .info-list li strong { display: block; font-size: 0.95rem; }
    .info-list li span { font-size: 0.9rem; color: var(--text-muted); }

    /* ===== 统计数字 ===== */
    .stat-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
    .stat-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.3;
      display: block;
    }
    .stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 6px; }

    /* ===== FAQ 手风琴 ===== */
    .accordion-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md) !important;
      overflow: hidden;
      background: #fff;
      box-shadow: var(--shadow-sm);
      margin-bottom: 12px;
    }
    .accordion-button {
      font-weight: 600;
      font-size: 0.95rem;
      color: var(--text-main);
      background: #fff;
      padding: 18px 22px;
      border: none;
    }
    .accordion-button:focus { box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12); }
    .accordion-button:not(.collapsed) { background: var(--primary-light); color: var(--primary); }
    .accordion-body { padding: 0 22px 20px; font-size: 0.92rem; color: var(--text-muted); background: #fff; }

    /* ===== CTA 区块 ===== */
    .cta-panel {
      background: linear-gradient(145deg, var(--primary), var(--primary-dark));
      border-radius: var(--radius-lg);
      padding: 56px;
      position: relative;
      overflow: hidden;
      color: #fff;
    }
    .cta-panel::before {
      content: "";
      position: absolute;
      top: -60px;
      right: 30px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      z-index: 0;
    }
    .cta-panel::after {
      content: "";
      position: absolute;
      bottom: -80px;
      left: -40px;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.06);
      z-index: 0;
    }
    .cta-content { position: relative; z-index: 1; }
    .cta-panel h2 { color: #fff; font-size: 2rem; margin-bottom: 14px; }
    .cta-panel p { color: rgba(255, 255, 255, 0.85); font-size: 1.05rem; margin-bottom: 28px; }
    .cta-panel .btn {
      border-radius: 999px;
      font-weight: 700;
      padding: 14px 32px;
      font-size: 0.95rem;
      background: var(--accent);
      border: none;
      color: #fff;
      box-shadow: 0 8px 20px rgba(245, 158, 11, 0.35);
      transition: var(--transition);
    }
    .cta-panel .btn:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(245, 158, 11, 0.4); }
    @media (max-width: 768px) {
      .cta-panel { padding: 36px 24px; }
      .cta-panel h2 { font-size: 1.5rem; }
    }

    /* ===== 通用按钮 ===== */
    .btn-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--primary);
      color: #fff !important;
      font-weight: 700;
      border-radius: 999px;
      padding: 12px 28px;
      border: none;
      transition: var(--transition);
      font-size: 0.95rem;
    }
    .btn-main:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3); color: #fff; }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      color: var(--primary) !important;
      font-weight: 600;
      border-radius: 999px;
      padding: 12px 28px;
      border: 2px solid var(--primary);
      transition: var(--transition);
      font-size: 0.95rem;
    }
    .btn-outline:hover { background: var(--primary-light); transform: translateY(-2px); color: var(--primary); }

    /* ===== 服务卡片 ===== */
    .service-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      height: 100%;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }
    .service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); border-color: rgba(37, 99, 235, 0.4); }
    .service-icon {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
      transition: var(--transition);
    }
    .service-card:hover .service-icon { background: var(--primary); color: #fff; }
    .service-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
    .service-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; }
    .service-card .tag-group { display: flex; flex-wrap: wrap; gap: 8px; }
    .mini-tag {
      background: var(--bg-soft);
      color: var(--text-muted);
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 6px;
      padding: 3px 10px;
    }

    /* ===== 横幅式图片分区 ===== */
    .img-feature {
      background-size: cover;
      background-position: center;
      border-radius: var(--radius-lg);
      overflow: hidden;
      padding: 48px;
      min-height: 280px;
      display: flex;
      align-items: flex-end;
      position: relative;
    }
    .img-feature::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(15, 23, 42, 0.7) 0%, rgba(15, 23, 42, 0.1) 60%, rgba(15, 23, 42, 0.3) 100%);
      border-radius: var(--radius-lg);
    }
    .img-feature .feature-text { position: relative; z-index: 1; color: #fff; max-width: 480px; }
    .img-feature .feature-text h3 { color: #fff; font-size: 1.4rem; margin-bottom: 8px; }
    .img-feature .feature-text p { color: rgba(255, 255, 255, 0.85); font-size: 0.95rem; }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--dark-bg);
      color: rgba(255, 255, 255, 0.7);
      padding: 72px 0 24px;
      margin-top: 72px;
    }
    .site-footer .brand-text { color: #fff; }
    .footer-desc { margin-top: 20px; font-size: 0.9rem; color: rgba(255, 255, 255, 0.6); max-width: 360px; }
    .footer-title {
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 24px;
      letter-spacing: 0.5px;
    }
    .footer-links { list-style: none; margin: 0; padding: 0; }
    .footer-links li { margin-bottom: 12px; font-size: 0.9rem; }
    .footer-links a { color: rgba(255, 255, 255, 0.6); transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; }
    .footer-links a:hover { color: #fff; padding-left: 4px; }
    .footer-links i { color: rgba(255, 255, 255, 0.4); }
    .footer-links span { display: inline-flex; align-items: center; color: rgba(255, 255, 255, 0.6); }
    .footer-divider {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      margin: 40px 0 20px;
    }
    .footer-copyright {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.5);
    }
    .footer-copyright a { color: rgba(255, 255, 255, 0.65); }
    .footer-copyright a:hover { color: #fff; }
    @media (max-width: 768px) {
      .footer-copyright { flex-direction: column; text-align: center; }
      .site-footer { padding: 48px 0 20px; }
    }

    /* ===== 分割线样式 ===== */
    .section-divider {
      width: 100%;
      height: 1px;
      background: linear-gradient(to right, transparent, var(--border-color), transparent);
      border: none;
      margin: 0;
    }

    body { display: flex; flex-direction: column; min-height: 100vh; }
    main { flex: 1; }

/* roulang page: category2 */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #dbeafe;
            --accent: #0ea5e9;
            --accent-light: #e0f2fe;
            --gradient-main: linear-gradient(135deg, #1e3a8a, #2563eb 55%, #3b82f6);
            --gradient-light: linear-gradient(135deg, #eff6ff, #f0f9ff);
            --dark-bg: #0b1b33;
            --body-bg: #f8fafc;
            --white: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-subtle: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(30, 64, 175, 0.06);
            --shadow: 0 8px 30px rgba(30, 64, 175, 0.10);
            --shadow-lg: 0 20px 50px rgba(30, 64, 175, 0.14);
            --transition: all 0.3s ease;
            --section-py: 90px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", -apple-system, sans-serif;
            background-color: var(--body-bg);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1200px;
        }

        .btn {
            border-radius: 100px;
            padding: 10px 26px;
            font-weight: 600;
            font-size: 15px;
            border: 2px solid transparent;
            transition: var(--transition);
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: 100px;
        }

        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 4px 18px rgba(37, 99, 235, 0.28);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
            color: #fff;
        }

        .btn-accent {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(14, 165, 233, 0.28);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: #0284c7;
            border-color: #0284c7;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(14, 165, 233, 0.35);
            color: #fff;
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(4px);
        }

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

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

        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.25);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
        }

        .site-header .navbar {
            padding: 14px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient-main);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

        .brand-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }

        .navbar-nav {
            gap: 6px;
        }

        .nav-link {
            font-weight: 600;
            color: var(--text-main);
            padding: 9px 18px !important;
            border-radius: 100px;
            font-size: 15px;
            transition: var(--transition);
        }

        .nav-link:hover,
        .nav-link:focus {
            color: var(--primary);
            background: var(--primary-light);
        }

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

        .navbar-toggler {
            border: none;
            font-size: 22px;
            color: var(--text-main);
            padding: 6px 12px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
        }

        .navbar-cta {
            padding: 8px 24px;
            font-size: 14px;
            white-space: nowrap;
        }

        /* ===== Page Hero / Banner ===== */
        .page-hero {
            background: linear-gradient(135deg, rgba(11, 27, 51, 0.92), rgba(30, 64, 175, 0.88)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 90px 0 80px;
            color: #fff;
            position: relative;
        }

        .page-hero .label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 100px;
            padding: 6px 18px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            backdrop-filter: blur(6px);
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            line-height: 1.25;
            margin-bottom: 20px;
        }

        .page-hero .lead {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            margin-top: 10px;
        }

        .hero-stat {
            padding-right: 36px;
            border-right: 1px solid rgba(255, 255, 255, 0.25);
        }

        .hero-stat:last-child {
            border-right: none;
        }

        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            line-height: 1.2;
        }

        .hero-stat .txt {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(14, 165, 233, 0.25);
            border: 1px solid rgba(14, 165, 233, 0.4);
            border-radius: 100px;
            padding: 6px 16px;
            font-size: 13px;
            color: #bae6fd;
        }

        .hero-badge i {
            font-size: 12px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            padding: 18px 0;
            background: #f1f5f9;
            border-bottom: 1px solid var(--border-subtle);
        }

        .breadcrumb {
            margin: 0;
            font-size: 14px;
        }

        .breadcrumb-item a {
            color: var(--text-muted);
        }

        .breadcrumb-item a:hover {
            color: var(--primary);
        }

        .breadcrumb-item.active {
            color: var(--text-main);
            font-weight: 600;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            content: "›";
            color: #94a3b8;
        }

        /* ===== Section base ===== */
        .section {
            padding: var(--section-py) 0;
        }

        .section-alt {
            background: var(--white);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 640px;
            margin-bottom: 40px;
        }

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

        /* ===== Cards ===== */
        .info-card {
            background: var(--white);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            padding: 28px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .info-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-main);
            opacity: 0;
            transition: var(--transition);
        }

        .info-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: #bfdbfe;
        }

        .info-card:hover::before {
            opacity: 1;
        }

        .info-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--gradient-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .info-card:hover .card-icon {
            background: var(--gradient-main);
            color: #fff;
            transform: scale(1.05);
        }

        .info-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .info-card p {
            color: var(--text-muted);
            font-size: 14.5px;
            margin-bottom: 0;
        }

        .info-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            margin-top: 16px;
        }

        .info-card .card-link i {
            font-size: 12px;
            transition: transform 0.3s;
        }

        .info-card:hover .card-link i {
            transform: translateX(4px);
        }

        /* ===== Step timeline ===== */
        .step-timeline {
            position: relative;
        }

        .step-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 30px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary-light), var(--accent-light));
        }

        .step-item {
            position: relative;
            padding-left: 88px;
            margin-bottom: 38px;
        }

        .step-item:last-child {
            margin-bottom: 0;
        }

        .step-num {
            position: absolute;
            left: 14px;
            top: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient-main);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            z-index: 2;
        }

        .step-body {
            background: var(--white);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            padding: 22px 26px;
            transition: var(--transition);
        }

        .step-body:hover {
            box-shadow: var(--shadow);
            border-color: #bfdbfe;
            transform: translateX(4px);
        }

        .step-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .step-body p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 0;
        }

        .step-body .step-tip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fefce8;
            border: 1px solid #fde68a;
            color: #92400e;
            border-radius: 100px;
            padding: 4px 14px;
            font-size: 12.5px;
            font-weight: 600;
            margin-top: 10px;
        }

        .step-tip i {
            font-size: 11px;
        }

        /* ===== Device tags / Tabs ===== */
        .device-wrap {
            background: var(--white);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }

        .device-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 30px;
        }

        .device-tab {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 100px;
            border: 1px solid var(--border-subtle);
            background: var(--body-bg);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
        }

        .device-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .device-tab.active {
            background: var(--gradient-main);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
        }

        .device-panel {
            display: none;
        }

        .device-panel.active {
            display: block;
            animation: fadeUp 0.4s ease;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(15px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .device-panel-content {
            display: flex;
            gap: 36px;
            align-items: flex-start;
        }

        .device-panel-content img {
            width: 120px;
            border-radius: var(--radius);
            flex-shrink: 0;
        }

        .device-info h5 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .device-info p {
            color: var(--text-muted);
            font-size: 14.5px;
        }

        .device-info ul {
            list-style: none;
            padding: 0;
            margin: 14px 0 0;
        }

        .device-info li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            padding: 6px 0;
        }

        .device-info li i {
            color: var(--primary);
            font-size: 13px;
            width: 18px;
        }

        /* ===== Safety list ===== */
        .safety-card {
            background: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }

        .safety-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: #c7d2fe;
        }

        .safety-card .safety-head {
            padding: 22px 24px 14px;
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .safety-card .safety-head .score {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: #fff7ed;
            color: #ed8936;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }

        .safety-card:nth-child(2) .score {
            background: #f0f9ff;
            color: #0284c7;
        }

        .safety-card:nth-child(3) .score {
            background: #ecfdf5;
            color: #059669;
        }

        .safety-card:nth-child(4) .score {
            background: #fef2f2;
            color: #dc2626;
        }

        .safety-card .safety-head h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0;
        }

        .safety-card .safety-head span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .safety-card .safety-body {
            padding: 0 24px 24px;
        }

        .safety-card .safety-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .safety-card .safety-body ul {
            margin: 12px 0 0;
            padding: 0;
            list-style: none;
            font-size: 13.5px;
        }

        .safety-card .safety-body li {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }

        .safety-card .safety-body li i {
            color: var(--primary);
            font-size: 11px;
        }

        .safety-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 100px;
            padding: 2px 12px;
            margin-top: 12px;
        }

        /* ===== Info strip ===== */
        .info-strip {
            background: var(--gradient-main);
            border-radius: var(--radius-lg);
            padding: 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .info-strip::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .info-strip::before {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 20%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .info-strip h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .info-strip p {
            color: rgba(255, 255, 255, 0.86);
            margin-bottom: 0;
            position: relative;
            z-index: 1;
            font-size: 15px;
        }

        .info-strip .info-list {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 22px;
            position: relative;
            z-index: 1;
        }

        .info-strip .info-list li {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
        }

        .info-strip .info-list i {
            color: #7dd3fc;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: #bfdbfe;
            box-shadow: var(--shadow-sm);
        }

        .faq-item details {
            padding: 20px 24px;
        }

        .faq-item summary {
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
        }

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

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 13px;
            color: var(--primary);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        .faq-item details[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item details[open] summary {
            color: var(--primary);
        }

        .faq-answer {
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-bg), #1e3a8a), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            position: relative;
            padding: 90px 0;
            color: #fff;
            text-align: center;
            background-blend-mode: overlay;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            max-width: 620px;
            margin: 0 auto 32px;
        }

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

        .security-note {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 20px;
        }

        .security-note i {
            color: #4ade80;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: #cbd5e1;
            padding: 70px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-text {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
        }

        .site-footer .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            font-size: 16px;
        }

        .footer-desc {
            color: #94a3b8;
            font-size: 14px;
            line-height: 1.8;
            max-width: 380px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

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

        .footer-links li {
            padding: 5px 0;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

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

        .footer-links span {
            color: #94a3b8;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
        }

        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin: 40px 0 0;
        }

        .footer-copyright {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            padding: 20px 0;
            font-size: 13px;
            color: #64748b;
        }

        .footer-copyright a {
            color: #94a3b8;
        }

        .footer-copyright a:hover {
            color: #fff;
        }

        /* ===== Scroll top ===== */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            font-size: 15px;
            box-shadow: 0 4px 18px rgba(37, 99, 235, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            z-index: 999;
            cursor: pointer;
        }

        .scroll-top:hover {
            transform: translateY(-4px);
            background: var(--primary-dark);
        }

        /* ===== Focus states ===== */
        a:focus,
        button:focus,
        .btn:focus {
            outline: 2px solid rgba(37, 99, 235, 0.3);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --section-py: 70px;
            }

            .page-hero h1 {
                font-size: 2.3rem;
            }

            .section-title {
                font-size: 1.75rem;
            }

            .device-panel-content {
                flex-direction: column;
                align-items: flex-start;
            }

            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-py: 60px;
            }

            .page-hero {
                padding: 70px 0 60px;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

            .page-hero .lead {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat {
                padding-right: 20px;
            }

            .hero-stat .num {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.55rem;
            }

            .navbar-collapse {
                padding-top: 16px;
                padding-bottom: 16px;
            }

            .nav-link {
                padding: 10px 18px !important;
            }

            .navbar-cta {
                margin-top: 10px;
                width: 100%;
                text-align: center;
            }

            .step-item {
                padding-left: 70px;
            }

            .step-timeline::before {
                left: 24px;
            }

            .step-num {
                left: 10px;
                width: 32px;
                height: 32px;
                font-size: 13px;
            }

            .device-wrap {
                padding: 24px;
            }

            .info-strip {
                padding: 28px;
            }

            .info-strip h3 {
                font-size: 1.25rem;
            }

            .footer-copyright {
                flex-direction: column;
                text-align: center;
            }

            .scroll-top {
                bottom: 20px;
                right: 20px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-py: 50px;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .hero-stats {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .hero-stat {
                padding-right: 0;
                border-right: none;
                text-align: center;
            }

            .hero-stat .num {
                font-size: 1.3rem;
            }

            .hero-stat .txt {
                font-size: 12px;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .step-item {
                padding-left: 0;
                padding-top: 56px;
            }

            .step-timeline::before {
                left: 50%;
                top: 0;
                bottom: auto;
                width: 2px;
                height: 40px;
            }

            .step-num {
                left: 50%;
                transform: translateX(-50%);
                top: 4px;
            }

            .step-body:hover {
                transform: none;
            }

            .device-tab {
                padding: 8px 14px;
                font-size: 13px;
            }

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

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

            .btn-lg {
                padding: 12px 28px;
                font-size: 15px;
            }
        }

/* roulang page: article */
:root {
    --primary: #1e5eff;
    --primary-dark: #1846b6;
    --primary-light: #eaf1ff;
    --accent: #ffb347;
    --accent-dark: #e8961f;
    --bg-body: #f7f9fd;
    --bg-white: #ffffff;
    --bg-light: #eef3fb;
    --bg-dark: #0d1b3e;
    --text-main: #1d2b42;
    --text-sub: #65758f;
    --text-light: #94a3bd;
    --border: #e3eaf5;
    --radius: 18px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 8px rgba(17, 34, 68, .06);
    --shadow-md: 0 8px 26px rgba(17, 34, 68, .10);
    --shadow-lg: 0 18px 46px rgba(17, 34, 68, .14);
    --space-section: 5.5rem;
    --transition: all .3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-main);
    background: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-sm);
}

.container {
    max-width: 1280px;
}

/* 导航 */
.site-header {
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1080;
    box-shadow: 0 1px 12px rgba(15,34,68,.06);
}

.navbar {
    padding: .8rem 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: .65rem;
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: .5px;
    color: var(--dark, #0d1b3e);
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border-radius: 12px;
    font-size: 1.1rem;
    box-shadow: 0 6px 18px rgba(30, 94, 255, .35);
}

.brand-text {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav .nav-link {
    font-size: .95rem;
    font-weight: 500;
    color: var(--text-sub);
    padding: .55rem 1.1rem !important;
    border-radius: 50rem;
    transition: var(--transition);
    margin: 0 .2rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: var(--primary);
    background: var(--primary-light);
}

.navbar-nav .nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 700;
}

.navbar-cta {
    padding: .55rem 1.4rem;
    border-radius: 50rem;
    font-weight: 600;
    font-size: .92rem;
}

.navbar-toggler {
    border: none;
    font-size: 1.4rem;
    color: var(--text-main);
    background: transparent;
    padding: .4rem .6rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* 文章横幅 */
.article-hero {
    position: relative;
    background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding: 5.2rem 0 4.6rem;
    color: #fff;
    overflow: hidden;
}

.article-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(13,27,62,.92) 0%, rgba(13,27,62,.76) 45%, rgba(13,27,62,.35) 100%);
}

.article-hero .container {
    position: relative;
    z-index: 2;
}

.hero-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem;
    margin-bottom: 1.4rem;
    font-size: .88rem;
    color: rgba(255,255,255,.75);
}

.hero-breadcrumb a {
    color: rgba(255,255,255,.85);
}

.hero-breadcrumb a:hover {
    color: var(--accent);
}

.hero-breadcrumb .sep {
    opacity: .5;
    font-size: .75rem;
}

.article-cat-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #0d1b3e;
    font-size: .8rem;
    font-weight: 700;
    padding: .32rem 1rem;
    border-radius: 50rem;
    letter-spacing: .3px;
    box-shadow: 0 6px 16px rgba(255,179,71,.35);
    margin-bottom: 1rem;
}

.article-hero h1 {
    font-size: clamp(1.7rem, 3.4vw, 2.85rem);
    font-weight: 800;
    line-height: 1.35;
    margin: 0 0 1.2rem;
    max-width: 900px;
    text-shadow: 0 4px 18px rgba(0,0,0,.18);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.4rem;
    font-size: .9rem;
    color: rgba(255,255,255,.8);
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
}

.article-meta i {
    color: var(--accent);
    font-style: normal;
    font-size: 1rem;
}

/* 文章主体区 */
.article-section {
    padding: var(--space-section) 0 3rem;
}

.article-body {
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 2.8rem;
    margin-bottom: 2rem;
}

.article-tag {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .6rem;
}

.article-tag .tag-label {
    font-weight: 700;
    color: var(--text-main);
    font-size: .9rem;
}

.article-tag .tag-chip {
    display: inline-block;
    background: var(--bg-light);
    color: var(--text-sub);
    font-size: .82rem;
    padding: .3rem .85rem;
    border-radius: 50rem;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.article-tag .tag-chip:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.article-share {
    margin-top: 1.2rem;
    display: flex;
    align-items: center;
    gap: .6rem;
}

.article-share .share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-sub);
    font-size: .9rem;
    transition: var(--transition);
}

.article-share .share-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* 文章内容渲染样式 */
.article-content {
    font-size: 1.05rem;
    line-height: 1.95;
    color: var(--text-main);
    word-break: break-word;
}

.article-content h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 2.4rem 0 1rem;
    padding-left: .85rem;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
}

.article-content h3 {
    font-size: 1.22rem;
    font-weight: 700;
    margin: 2rem 0 1rem;
}

.article-content h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 1.6rem 0 .8rem;
}

.article-content p {
    margin-bottom: 1.4rem;
}

.article-content a {
    text-decoration: underline;
    text-underline-offset: 3px;
    color: var(--primary);
}

.article-content img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 1.5rem auto;
    box-shadow: var(--shadow-md);
}

.article-content ul,
.article-content ol {
    padding-left: 1.4rem;
    margin-bottom: 1.4rem;
}

.article-content ul li,
.article-content ol li {
    margin-bottom: .35rem;
}

.article-content blockquote {
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    padding: 1.1rem 1.4rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-sub);
    margin: 1.6rem 0;
    font-style: normal;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: .95rem;
}

.article-content table th,
.article-content table td {
    border: 1px solid var(--border);
    padding: .6rem .8rem;
    text-align: left;
}

.article-content table th {
    background: var(--bg-light);
    font-weight: 700;
}

/* 文章不存在 */
.not-found-box {
    text-align: center;
    padding: 4rem 1rem 3rem;
}

.not-found-icon {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    background: var(--primary-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.not-found-box h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.not-found-box p {
    color: var(--text-sub);
    margin-bottom: 1.6rem;
}

/* 侧边栏 */
.sidebar-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 1.8rem;
    margin-bottom: 1.6rem;
    transition: var(--transition);
}

.sidebar-card:hover {
    box-shadow: var(--shadow-md);
}

.sidebar-card-title {
    font-size: 1.1rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: .6rem;
    margin-bottom: 1.3rem;
}

.sidebar-card-title .icon-box {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .95rem;
}

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

.sidebar-list li {
    border-bottom: 1px dashed var(--border);
    padding: .8rem 0;
}

.sidebar-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sidebar-list a {
    color: var(--text-main);
    display: flex;
    gap: .6rem;
    font-size: .93rem;
    line-height: 1.5;
    transition: var(--transition);
}

.sidebar-list a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.sidebar-list .side-date {
    font-size: .76rem;
    color: var(--text-light);
    white-space: nowrap;
}

.sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: .2rem;
}

.sidebar-tags a {
    display: inline-block;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 50rem;
    font-size: .82rem;
    font-weight: 500;
    color: var(--text-sub);
    padding: .3rem .9rem;
    transition: var(--transition);
}

.sidebar-tags a:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(30,94,255,.25);
}

.sidebar-offer {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 2rem 1.8rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 16px 36px rgba(30,94,255,.28);
}

.sidebar-offer::before {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    top: -60px;
    right: -60px;
}

.sidebar-offer h4 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: .6rem;
}

.sidebar-offer p {
    font-size: .9rem;
    opacity: .85;
    margin-bottom: 1.4rem;
    line-height: 1.6;
}

.sidebar-offer .btn-offer {
    background: #fff;
    color: var(--primary);
    border-radius: 50rem;
    font-weight: 700;
    font-size: .9rem;
    padding: .55rem 1.5rem;
    border: none;
    transition: var(--transition);
}

.sidebar-offer .btn-offer:hover {
    background: var(--accent);
    color: var(--bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,.2);
}

/* 相关服务区 */
.related-section {
    padding: 3rem 0 var(--space-section);
    background: var(--bg-white);
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.section-eyebrow {
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: .4rem;
}

.section-title {
    font-size: clamp(1.5rem, 2.5vw, 2.1rem);
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.35;
    margin: 0;
}

.section-sub {
    color: var(--text-sub);
    font-size: .98rem;
    max-width: 520px;
    margin-top: .4rem;
}

.related-card {
    background: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    transition: var(--transition);
}

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

.related-card .card-img {
    position: relative;
    height: 190px;
    overflow: hidden;
}

.related-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.related-card:hover .card-img img {
    transform: scale(1.07);
}

.related-card .card-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(13,27,62,.45));
}

.related-card .card-img .cat-tag {
    position: absolute;
    left: .9rem;
    top: .9rem;
    z-index: 2;
    background: rgba(255,255,255,.92);
    color: var(--primary);
    font-size: .75rem;
    font-weight: 700;
    padding: .2rem .75rem;
    border-radius: 50rem;
    box-shadow: 0 4px 10px rgba(0,0,0,.08);
}

.related-card .card-body {
    padding: 1.5rem;
}

.related-card .card-title {
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.5;
    margin-bottom: .6rem;
}

.related-card .card-title a {
    color: var(--text-main);
}

.related-card .card-title a:hover {
    color: var(--primary);
}

.related-card .card-text {
    font-size: .88rem;
    color: var(--text-sub);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.related-card .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: .8rem;
    color: var(--text-light);
    border-top: 1px solid var(--border);
    padding-top: .9rem;
}

/* 服务流程时间线 */
.flow-section {
    padding: var(--space-section) 0;
    background: var(--bg-light);
}

.flow-timeline {
    position: relative;
    max-width: 880px;
    margin: 2rem auto 0;
    padding-left: 0;
}

.flow-timeline::before {
    content: "";
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--primary-light));
}

.flow-item {
    position: relative;
    padding: 0 0 1.8rem 5rem;
}

.flow-item:last-child {
    padding-bottom: 0;
}

.flow-item .flow-dot {
    position: absolute;
    left: 18px;
    top: 6px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 3px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
    font-weight: 700;
    color: var(--primary);
    z-index: 2;
    box-shadow: 0 0 0 5px var(--primary-light);
}

.flow-item .flow-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem 1.6rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.flow-item .flow-card:hover {
    box-shadow: var(--shadow-md);
}

.flow-item .flow-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: .4rem;
}

.flow-item .flow-card p {
    font-size: .88rem;
    color: var(--text-sub);
    margin: 0;
    line-height: 1.6;
}

/* 票券CTA */
.ticket-cta {
    position: relative;
    padding: 4.5rem 0;
    background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center/cover no-repeat fixed;
    overflow: hidden;
}

.ticket-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, rgba(13,27,62,.94) 0%, rgba(30,94,255,.82) 100%);
}

.ticket-cta .container {
    position: relative;
    z-index: 2;
}

.ticket-box {
    background: #fff;
    border-radius: 24px;
    max-width: 760px;
    margin: 0 auto;
    overflow: hidden;
    box-shadow: 0 28px 70px rgba(0,0,0,.3);
    position: relative;
}

.ticket-box::before,
.ticket-box::after {
    content: "";
    position: absolute;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-dark);
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    box-shadow: 0 0 0 6px rgba(13,27,62,.5);
}

.ticket-box::before {
    left: -22px;
}

.ticket-box::after {
    right: -22px;
}

.ticket-inner {
    padding: 2.5rem 2.8rem;
    text-align: center;
}

.ticket-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--bg-dark);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: 1px;
    padding: .3rem 1.2rem;
    border-radius: 50rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.ticket-inner h2 {
    font-size: clamp(1.5rem, 2.6vw, 2.2rem);
    font-weight: 800;
    margin-bottom: .8rem;
}

.ticket-inner p {
    color: var(--text-sub);
    font-size: 1rem;
    max-width: 520px;
    margin: 0 auto 1.8rem;
}

.ticket-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .9rem;
}

.btn-brand {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: 50rem;
    padding: .65rem 1.7rem;
    font-weight: 600;
    font-size: .95rem;
    box-shadow: 0 8px 20px rgba(30,94,255,.3);
    transition: var(--transition);
}

.btn-brand:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(30,94,255,.4);
    color: #fff;
}

.btn-outline-brand {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 50rem;
    padding: .58rem 1.5rem;
    font-weight: 600;
    font-size: .95rem;
    transition: var(--transition);
}

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

/* 页脚 */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,.7);
    padding: 4rem 0 1.8rem;
}

.site-footer .footer-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-bottom: 1.1rem;
}

.site-footer .footer-brand .brand-icon {
    width: 44px;
    height: 44px;
    font-size: 1rem;
}

.site-footer .footer-brand .brand-text {
    font-size: 1.3rem;
    color: #fff;
    -webkit-text-fill-color: #fff;
}

.footer-desc {
    font-size: .92rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    letter-spacing: .5px;
}

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

.footer-links li {
    margin-bottom: .65rem;
}

.footer-links a {
    color: rgba(255,255,255,.65);
    font-size: .9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}

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

.footer-links span {
    font-size: .9rem;
    color: rgba(255,255,255,.65);
}

.footer-divider {
    height: 1px;
    background: rgba(255,255,255,.1);
    margin: 2.5rem 0 1.4rem;
}

.footer-copyright {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .8rem;
    font-size: .85rem;
    color: rgba(255,255,255,.5);
}

.footer-copyright a {
    color: rgba(255,255,255,.65);
}

.footer-copyright a:hover {
    color: var(--accent);
}

/* 移动端断点 */
@media (max-width: 991px) {
    .navbar-collapse {
        padding: 1rem 0;
    }
    .navbar-nav {
        gap: .2rem;
    }
    .navbar-nav .nav-link {
        padding: .5rem 1rem !important;
        border-radius: var(--radius-sm);
    }
    .navbar-cta {
        margin-top: .8rem;
        width: 100%;
        text-align: center;
    }
    .article-body {
        padding: 1.8rem;
    }
    .flow-timeline::before {
        left: 22px;
    }
    .flow-item {
        padding-left: 4rem;
    }
    .flow-item .flow-dot {
        left: 8px;
        width: 28px;
        height: 28px;
    }
    .ticket-cta {
        background-attachment: scroll;
    }
}

@media (max-width: 767px) {
    :root {
        --space-section: 3.5rem;
    }
    .article-hero {
        padding: 3.2rem 0 2.8rem;
    }
    .article-hero h1 {
        font-size: 1.5rem;
    }
    .article-meta {
        gap: .8rem;
        font-size: .82rem;
        flex-direction: column;
        align-items: flex-start;
    }
    .article-body {
        padding: 1.4rem;
        margin-bottom: 1.4rem;
    }
    .sidebar-card {
        padding: 1.4rem;
    }
    .related-card .card-img {
        height: 160px;
    }
    .ticket-inner {
        padding: 2rem 1.4rem;
    }
    .ticket-actions {
        flex-direction: column;
    }
    .ticket-actions .btn {
        width: 100%;
    }
    .footer-divider {
        margin: 1.8rem 0 1rem;
    }
    .footer-copyright {
        flex-direction: column;
        align-items: flex-start;
        gap: .4rem;
    }
}

@media (max-width: 520px) {
    .navbar-brand .brand-text {
        font-size: 1.1rem;
    }
    .brand-icon {
        width: 38px;
        height: 38px;
        font-size: .9rem;
    }
    .article-hero h1 {
        font-size: 1.35rem;
    }
    .article-content {
        font-size: .97rem;
        line-height: 1.85;
    }
    .section-head {
        align-items: flex-start;
    }
}

/* roulang page: category3 */
:root {
            --primary: #0f2b46;
            --primary-light: #1a3d5f;
            --primary-soft: #e8eef5;
            --accent: #f0b90b;
            --accent-hover: #d4a409;
            --accent-soft: #fdf6dd;
            --bg-body: #f4f6fa;
            --bg-white: #ffffff;
            --bg-soft: #eef2f7;
            --text-main: #1a2733;
            --text-muted: #6b7a8d;
            --border-color: #e3e9f0;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 43, 70, 0.08);
            --shadow-lg: 0 16px 40px rgba(15, 43, 70, 0.12);
            --transition: all .25s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1240px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(227, 233, 240, 0.8);
            box-shadow: 0 2px 12px rgba(15, 43, 70, 0.05);
            position: sticky;
            top: 0;
            z-index: 1040;
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary);
        }
        .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            box-shadow: 0 4px 12px rgba(15, 43, 70, 0.22);
        }
        .brand-text {
            letter-spacing: 0.02em;
        }
        .navbar-nav {
            gap: 4px;
        }
        .nav-link {
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 16px;
            border-radius: 10px;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-soft);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }
        .navbar-toggler {
            border: none;
            color: var(--primary);
            font-size: 1.3rem;
            box-shadow: none;
            padding: 6px 10px;
            border-radius: 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(15, 43, 70, 0.12);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: none;
            border-radius: 999px;
            padding: 10px 24px;
            box-shadow: 0 6px 16px rgba(240, 185, 11, 0.3);
            transition: var(--transition);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(240, 185, 11, 0.35);
        }
        .page-hero {
            position: relative;
            padding: 110px 0 90px;
            overflow: hidden;
            background: var(--primary);
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 1;
        }
        .page-hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 43, 70, 0.92) 0%, rgba(15, 43, 70, 0.65) 50%, rgba(15, 43, 70, 0.4) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero-content {
            max-width: 720px;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #f5d76e;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .hero-lead {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 32px;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-light-accent {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            border: none;
            border-radius: 999px;
            padding: 12px 28px;
            box-shadow: 0 8px 20px rgba(240, 185, 11, 0.3);
            transition: var(--transition);
        }
        .btn-light-accent:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(0, 0, 0, 0.18);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.55);
            font-weight: 600;
            border-radius: 999px;
            padding: 12px 28px;
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .ticker-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 18px 0;
        }
        .info-ticker {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--accent-soft);
            border: 1px solid rgba(240, 185, 11, 0.35);
            border-radius: 14px;
            padding: 12px 18px;
            flex-wrap: wrap;
        }
        .ticker-label {
            display: inline-flex;
            align-items: center;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            border-radius: 999px;
            padding: 4px 14px;
            white-space: nowrap;
        }
        .ticker-message {
            flex: 1;
            font-size: 0.95rem;
            color: var(--text-main);
            min-width: 220px;
        }
        .ticker-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
        }
        .ticker-link:hover {
            color: var(--accent-hover);
        }
        .section {
            padding: 84px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 0;
        }
        .stats-section {
            padding: 70px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .stat-card {
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240, 185, 11, 0.4);
        }
        .stat-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            border-radius: 16px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }
        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .news-section {
            padding: 84px 0;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(15, 43, 70, 0.12);
        }
        .news-card-cover {
            position: relative;
            height: 192px;
            overflow: hidden;
        }
        .news-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-card-cover img {
            transform: scale(1.06);
        }
        .news-card-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 43, 70, 0.35), transparent 45%);
        }
        .news-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 0.76rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
            box-shadow: var(--shadow-sm);
        }
        .news-card-body {
            padding: 22px 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-date {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 10px;
        }
        .news-card-title {
            font-size: 1.06rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 10px;
        }
        .news-card-title a:hover {
            color: var(--primary);
        }
        .news-card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .news-card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-link i {
            transition: transform 0.25s ease;
        }
        .news-card-link:hover {
            color: var(--accent-hover);
        }
        .news-card-link:hover i {
            transform: translateX(4px);
        }
        .timeline-section {
            padding: 84px 0;
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .timeline-section .container {
            position: relative;
            z-index: 2;
        }
        .timeline-section .section-tag {
            background: rgba(255, 255, 255, 0.14);
            color: #f5d76e;
        }
        .timeline-section .section-head h2 {
            color: #fff;
        }
        .timeline-section .section-head p {
            color: rgba(255, 255, 255, 0.72);
        }
        .timeline-wrap {
            position: relative;
            max-width: 820px;
            margin: 0 auto;
            padding-left: 40px;
        }
        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 14px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, rgba(240, 185, 11, 0.7), rgba(255, 255, 255, 0.25));
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 38px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: -34px;
            top: 4px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 0 0 4px rgba(240, 185, 11, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1;
        }
        .timeline-dot i {
            font-size: 0.6rem;
            color: var(--primary);
        }
        .timeline-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .timeline-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(240, 185, 11, 0.35);
        }
        .timeline-meta {
            font-size: 0.82rem;
            color: #f5d76e;
            font-weight: 600;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .timeline-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .timeline-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .countdown-section {
            padding: 0;
        }
        .countdown-panel {
            position: relative;
            border-radius: var(--radius-lg);
            background-size: cover;
            background-position: center;
            padding: 56px 48px;
            overflow: hidden;
            margin: -30px 0 0;
            box-shadow: var(--shadow-lg);
        }
        .countdown-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 43, 70, 0.94), rgba(15, 43, 70, 0.7));
        }
        .countdown-panel .countdown-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 620px;
            margin: 0 auto;
        }
        .countdown-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .countdown-content h3 {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .countdown-content p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            margin-bottom: 28px;
        }
        .countdown-timer {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }
        .timer-item {
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 16px;
            padding: 14px 20px;
            min-width: 84px;
            backdrop-filter: blur(8px);
        }
        .timer-num {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            display: block;
        }
        .timer-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
            display: block;
            margin-top: 2px;
        }
        .timer-sep {
            font-size: 1.5rem;
            color: rgba(255, 255, 255, 0.5);
            font-weight: 300;
            margin-top: -12px;
        }
        .topics-section {
            padding: 84px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-color);
        }
        .topics-wrap {
            max-width: 900px;
            margin: 0 auto;
        }
        .topics-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            border-radius: 999px;
            padding: 10px 22px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
            cursor: default;
        }
        .topic-tag:hover {
            border-color: var(--accent);
            background: var(--accent-soft);
            transform: translateY(-2px);
        }
        .topic-tag i {
            color: var(--accent);
        }
        .topics-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .topic-item {
            background: var(--bg-body);
            border: 1px solid transparent;
            border-radius: 14px;
            padding: 18px 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: var(--transition);
        }
        .topic-item:hover {
            border-color: var(--border-color);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .topic-num {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            min-width: 28px;
        }
        .topic-body h4 {
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-main);
        }
        .topic-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.55;
        }
        .faq-section {
            padding: 84px 0;
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-weight: 600;
            font-size: 1rem;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(15, 43, 70, 0.08);
        }
        .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary);
            transform: none;
            transition: var(--transition);
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.94rem;
            line-height: 1.7;
        }
        .cta-section {
            padding: 70px 0 84px;
            background: var(--bg-white);
        }
        .cta-panel {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-lg);
            padding: 54px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(240, 185, 11, 0.14);
        }
        .cta-panel::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }
        .cta-panel .cta-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-panel h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-panel p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1rem;
            margin-bottom: 30px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .site-footer {
            background: #0b1d2f;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            font-size: 0.92rem;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .brand-icon {
            background: linear-gradient(135deg, var(--accent), #f7d14e);
            color: var(--primary);
        }
        .footer-desc {
            max-width: 360px;
            color: rgba(255, 255, 255, 0.56);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a,
        .footer-links span {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }
        .footer-links i {
            color: var(--accent);
            font-size: 0.65rem;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 40px 0 0;
        }
        .footer-copyright {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding: 22px 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.42);
        }
        .footer-copyright a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-copyright a:hover {
            color: var(--accent);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            z-index: 900;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: var(--transition);
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            background: var(--primary-light);
            transform: translateY(-4px);
        }
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 80px 0 64px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .hero-lead {
                font-size: 1rem;
            }
            .section {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .countdown-panel {
                padding: 40px 24px;
            }
            .timer-item {
                padding: 10px 14px;
                min-width: 68px;
            }
            .timer-num {
                font-size: 1.5rem;
            }
            .topics-list {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                padding: 40px 24px;
            }
            .cta-panel h2 {
                font-size: 1.6rem;
            }
            .footer-copyright {
                flex-direction: column;
                text-align: center;
            }
            .navbar-brand {
                font-size: 1.05rem;
            }
            .navbar-collapse {
                padding-top: 14px;
            }
            .nav-link.active::after {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-card {
                padding: 22px 14px;
            }
            .stat-num {
                font-size: 1.5rem;
            }
            .timeline-wrap {
                padding-left: 32px;
            }
            .timeline-dot {
                left: -27px;
                width: 22px;
                height: 22px;
            }
            .timeline-card {
                padding: 16px 18px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                text-align: center;
            }
            .countdown-timer {
                flex-wrap: wrap;
                gap: 8px;
            }
            .timer-sep {
                display: none;
            }
            .ticker-section {
                padding: 12px 0;
            }
            .info-ticker {
                padding: 14px;
            }
        }