:root {
  --site-shell-primary: #3761ff;
  --site-shell-primary-dark: #2448cc;
  --site-shell-ink: #111827;
  --site-shell-muted: #526075;
  --site-shell-line: #e2e8f0;
  --site-shell-dark: #0f172a;
}

html {
  scroll-padding-top: 92px;
}

.global-header {
  position: sticky;
  top: 0;
  z-index: 1200;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--site-shell-line);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.skip-link {
  position: fixed !important;
  top: 10px !important;
  left: 10px !important;
  z-index: 1500 !important;
  padding: 10px 14px !important;
  border-radius: 10px;
  background: var(--site-shell-dark) !important;
  color: #fff !important;
  font-size: 14px !important;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none !important;
  transform: translateY(-160%);
  transition: transform 0.18s ease;
}

.skip-link:focus {
  outline: 3px solid #93c5fd;
  outline-offset: 2px;
  transform: translateY(0);
}

/* 使用手册旧样式会在窄屏把 .site-header 改为 relative，这里统一恢复吸顶。 */
.guide-page .global-header.site-header {
  position: sticky !important;
}

.global-nav {
  position: relative !important;
  inset: auto !important;
  width: 100%;
  max-width: none !important;
  min-height: 76px !important;
  margin: 0 !important;
  padding: 0 !important;
  display: block !important;
  align-items: initial !important;
  flex-wrap: nowrap !important;
  gap: 0 !important;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
}

.global-nav.scrolled {
  padding: 0 !important;
  background: transparent !important;
  border: 0 !important;
}

.global-nav-inner {
  width: min(1320px, calc(100% - 32px));
  max-width: none !important;
  min-height: 76px;
  margin: 0 auto;
  padding: 10px 0;
  display: grid !important;
  grid-template-columns: 166px minmax(0, 1fr) 350px;
  align-items: center !important;
  gap: 18px;
}

.global-brand {
  display: inline-flex !important;
  align-items: center;
  gap: 9px;
  min-width: 0;
  color: var(--site-shell-ink) !important;
  font-size: 18px !important;
  font-weight: 800 !important;
  line-height: 1.2;
  text-decoration: none !important;
  white-space: nowrap;
}

.global-brand img {
  width: 48px !important;
  height: 40px !important;
  margin: 0 !important;
  object-fit: contain;
}

.global-nav-links {
  width: 100%;
  margin: 0 !important;
  display: flex !important;
  align-items: center;
  justify-content: center !important;
  gap: clamp(10px, 1vw, 18px) !important;
  flex-wrap: nowrap !important;
  font-size: 14px !important;
  font-weight: 600 !important;
}

.global-nav-links a {
  position: relative;
  min-height: 44px;
  padding: 11px 2px !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  color: #334155 !important;
  font-size: 14px !important;
  line-height: 1.4;
  text-decoration: none !important;
  white-space: nowrap !important;
}

.global-nav-links a::after {
  content: "";
  position: absolute;
  right: 2px;
  bottom: 6px;
  left: 2px;
  height: 2px;
  border-radius: 999px;
  background: var(--site-shell-primary);
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.global-nav-links a:hover,
.global-nav-links a[aria-current="page"] {
  color: var(--site-shell-primary-dark) !important;
}

.global-nav-links a:hover::after,
.global-nav-links a[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.global-nav-actions {
  min-width: 350px;
  margin: 0 !important;
  display: flex !important;
  align-items: center;
  justify-content: flex-end;
  gap: 8px !important;
}

.global-action {
  min-height: 42px;
  padding: 9px 14px !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  border: 1px solid #cbd5e1 !important;
  border-radius: 999px !important;
  background: #fff !important;
  color: #1e293b !important;
  font-family: inherit;
  font-size: 14px !important;
  font-weight: 700 !important;
  line-height: 1.35;
  text-decoration: none !important;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.global-action:hover {
  border-color: var(--site-shell-primary) !important;
  color: var(--site-shell-primary-dark) !important;
  transform: translateY(-1px);
}

.global-action-primary {
  border-color: var(--site-shell-primary) !important;
  background: var(--site-shell-primary) !important;
  color: #fff !important;
}

.global-action-primary:hover {
  border-color: var(--site-shell-primary-dark) !important;
  background: var(--site-shell-primary-dark) !important;
  color: #fff !important;
}

.global-nav-toggle {
  width: 46px;
  height: 46px;
  padding: 0 !important;
  display: none !important;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid #cbd5e1 !important;
  border-radius: 12px;
  background: #fff !important;
  cursor: pointer;
}

.global-nav-toggle span {
  width: 22px !important;
  height: 2px !important;
  display: block;
  border-radius: 999px;
  background: var(--site-shell-ink) !important;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.global-header + .hero {
  padding-top: 104px;
}

.global-footer {
  padding: 58px 24px 28px;
  background: var(--site-shell-dark);
  color: #cbd5e1;
}

.global-footer a {
  color: #cbd5e1;
  text-decoration: none;
}

.global-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.global-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.global-footer-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.6fr) repeat(3, minmax(150px, 1fr));
  gap: 44px;
}

.global-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: #fff !important;
  font-size: 20px;
  font-weight: 800;
  text-decoration: none !important;
}

.global-footer-brand img {
  width: 70px;
  height: 58px;
  object-fit: contain;
}

.global-footer-intro {
  max-width: 390px;
  margin: 0;
  color: #aeb8c8;
  font-size: 14px;
  line-height: 1.8;
}

.global-footer h2,
.global-footer h3,
.global-footer h4 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: none;
}

.global-footer-link {
  width: fit-content;
  min-height: 34px;
  padding: 5px 0;
  display: flex !important;
  align-items: center;
  color: #cbd5e1 !important;
  font-size: 14px !important;
  line-height: 1.6;
}

.global-footer-bottom {
  margin-top: 38px;
  padding-top: 22px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px 30px;
  border-top: 1px solid #334155;
  color: #94a3b8;
  font-size: 14px;
  line-height: 1.75;
}

.global-footer-records,
.global-footer-legal {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px 16px;
}

.global-footer-records a,
.global-footer-legal a {
  color: #aeb8c8 !important;
  font-size: 14px !important;
}

.global-gongan-record {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
}

.global-gongan-record img {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.global-consult-fab {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 1150;
  min-height: 54px;
  padding: 12px 18px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 0;
  border-radius: 999px;
  background: var(--site-shell-primary);
  box-shadow: 0 16px 38px rgba(55, 97, 255, 0.34);
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

/* 与使用手册右下角的“返回顶部”按钮纵向错开。 */
.guide-page .global-consult-fab {
  bottom: 88px;
}

.global-consult-fab:hover {
  background: var(--site-shell-primary-dark);
  transform: translateY(-2px);
}

.global-consult-dot {
  width: 10px;
  height: 10px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.18);
}

.global-consult-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1400;
  padding: 20px;
  display: none;
  place-items: center;
  background: rgba(15, 23, 42, 0.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.global-consult-backdrop.is-open {
  display: grid;
}

.global-consult-dialog {
  position: relative;
  width: min(440px, 100%);
  padding: 32px;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.28);
  color: var(--site-shell-ink);
  text-align: center;
}

.global-consult-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: #f1f5f9;
  color: #334155;
  font-family: inherit;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.global-consult-dialog h2 {
  margin: 0 42px 8px;
  color: var(--site-shell-ink);
  font-size: 22px;
  line-height: 1.35;
}

.global-consult-dialog p {
  margin: 0 0 18px;
  color: var(--site-shell-muted);
  font-size: 15px;
  line-height: 1.7;
}

.global-consult-qr {
  width: 230px;
  height: 230px;
  max-width: 100%;
  margin: 0 auto 16px;
  padding: 10px;
  display: block;
  border: 1px solid var(--site-shell-line);
  border-radius: 18px;
  background: #fff;
  object-fit: contain;
}

.global-consult-open {
  min-height: 46px;
  padding: 11px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--site-shell-primary);
  color: #fff !important;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none !important;
}

@media (max-width: 1180px) {
  .global-nav-inner {
    grid-template-columns: minmax(0, 1fr) 46px;
  }

  .global-nav-toggle {
    display: flex !important;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  html.site-shell-ready .global-nav-links,
  html.site-shell-ready .global-nav-actions {
    display: none !important;
  }

  .global-nav.is-open .global-nav-inner,
  .global-nav.mobile-open .global-nav-inner {
    padding-bottom: 16px;
  }

  .global-nav.is-open .global-nav-links,
  .global-nav.mobile-open .global-nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    padding-top: 12px;
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px 10px !important;
    border-top: 1px solid var(--site-shell-line);
  }

  .global-nav.is-open .global-nav-links a,
  .global-nav.mobile-open .global-nav-links a {
    padding: 8px 10px !important;
    white-space: normal !important;
  }

  .global-nav.is-open .global-nav-actions,
  .global-nav.mobile-open .global-nav-actions {
    grid-column: 1 / -1;
    grid-row: 3;
    min-width: 0;
    padding-top: 8px;
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .global-nav.is-open .global-action,
  .global-nav.mobile-open .global-action {
    width: 100%;
    min-height: 46px;
  }

  .global-nav.is-open .global-nav-toggle span:nth-child(1),
  .global-nav.mobile-open .global-nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .global-nav.is-open .global-nav-toggle span:nth-child(2),
  .global-nav.mobile-open .global-nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .global-nav.is-open .global-nav-toggle span:nth-child(3),
  .global-nav.mobile-open .global-nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .global-footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .global-nav-inner {
    width: min(100% - 24px, 1320px);
    min-height: 70px;
  }

  .global-nav,
  .global-nav-inner {
    min-height: 70px !important;
  }

  .global-nav.is-open .global-nav-links,
  .global-nav.mobile-open .global-nav-links,
  .global-nav.is-open .global-nav-actions,
  .global-nav.mobile-open .global-nav-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .global-footer {
    padding: 46px 18px 24px;
  }

  .global-footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .global-footer-bottom {
    flex-direction: column;
  }

  .global-consult-fab {
    right: 14px;
    bottom: 18px;
  }
}

@media (max-width: 420px) {
  .global-brand {
    font-size: 17px !important;
  }

  .global-brand img {
    width: 44px !important;
    height: 37px !important;
  }

  .global-consult-fab {
    width: 54px;
    padding: 0;
    justify-content: center;
  }

  .global-consult-fab-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .global-consult-dialog {
    padding: 28px 18px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .global-nav-links a::after,
  .global-action,
  .global-nav-toggle span,
  .global-consult-fab {
    transition: none;
  }
}

@media print {
  .global-consult-fab,
  .global-consult-backdrop {
    display: none !important;
  }
}