/* ========================================
   City hub (服务网络导航)
   Scoped to .page-city only
   ======================================== */

.page-city .site-header,
.page-city .site-header.is-scrolled,
.page-city .site-header.is-menu-open,
.page-city .site-header:hover {
  background: var(--white);
  box-shadow: var(--shadow-header);
}

.page-city .main-nav a,
.page-city .site-header:hover .main-nav a,
.page-city .site-header.is-scrolled .main-nav a,
.page-city .site-header.is-menu-open .main-nav a {
  color: var(--text-muted) !important;
}

.page-city .main-nav a.active,
.page-city .main-nav a:hover,
.page-city .site-header:hover .main-nav a.active,
.page-city .site-header:hover .main-nav a:hover,
.page-city .site-header.is-scrolled .main-nav a.active,
.page-city .site-header.is-scrolled .main-nav a:hover {
  color: var(--primary) !important;
}

.page-city .lang-item,
.page-city .site-header:hover .lang-item,
.page-city .site-header.is-scrolled .lang-item,
.page-city .site-header.is-menu-open .lang-item {
  color: var(--text-muted);
}

.page-city .lang-item.is-active,
.page-city .lang-item:hover {
  color: var(--primary);
}

.page-city .lang-divider {
  background: var(--border-lang);
}

.page-city .icon-btn img,
.page-city .nav-chevron {
  filter: brightness(0) saturate(100%);
  opacity: 0.65;
}

.page-city .city-wrap {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 80px);
  box-sizing: border-box;
}

/* ---------- Hero ---------- */
.page-city .city-hero {
  position: relative;
  padding: calc(var(--header-h) + 72px) 0 56px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 80% at 88% 12%, rgba(17, 117, 252, 0.14), transparent 55%),
    radial-gradient(ellipse 50% 60% at 8% 90%, rgba(17, 117, 252, 0.08), transparent 50%),
    linear-gradient(180deg, #f4f8ff 0%, #ffffff 72%);
}

.page-city .city-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px 64px;
  align-items: end;
}

.page-city .city-hero__eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
}

.page-city .city-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(40px, 5.5vw, 60px);
  font-weight: 400;
  line-height: 1.2;
  color: var(--text-dark);
  letter-spacing: 0.02em;
}

.page-city .city-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: 18px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-city .city-hero__panel {
  border-left: 1px solid #c9cdd3;
  padding: 8px 0 8px 40px;
}

.page-city .city-search {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 420px;
  padding: 6px 6px 6px 20px;
  border: 1px solid rgba(17, 117, 252, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 36px rgba(17, 40, 80, 0.08);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-city .city-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 14px 40px rgba(17, 117, 252, 0.16);
}

.page-city .city-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 15px;
  color: var(--text-dark);
}

.page-city .city-search input::placeholder {
  color: var(--text-placeholder);
}

.page-city .city-search__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  flex-shrink: 0;
  transition: background 0.25s ease, transform 0.25s ease;
}

.page-city .city-search__btn:hover {
  background: var(--primary-hover);
  transform: scale(1.04);
}

.page-city .city-search__btn svg {
  display: block;
  width: 18px;
  height: 18px;
}

.page-city .city-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 28px;
}

.page-city .city-hero__meta strong {
  display: block;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-dark);
}

.page-city .city-hero__meta span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-light);
}

/* ---------- Hot cities ---------- */
.page-city .city-hot {
  padding: 28px 0 8px;
  background: var(--white);
}

.page-city .city-hot__label {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--text-light);
}

.page-city .city-hot__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-city .city-hot__list a {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-dark);
  background: #f3f7fc;
  transition: color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.page-city .city-hot__list a:hover {
  color: var(--white);
  background: var(--primary);
  transform: translateY(-1px);
}

/* ---------- Sticky region bar ---------- */
.page-city .city-regions {
  position: sticky;
  top: var(--header-h-scrolled);
  z-index: 20;
  padding: 14px 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.page-city .city-regions__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-city .city-region {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-city .city-region:hover {
  color: var(--primary);
}

.page-city .city-region.is-active {
  color: var(--primary);
  background: rgba(17, 117, 252, 0.08);
  border-color: rgba(17, 117, 252, 0.18);
}

/* ---------- Directory ---------- */
.page-city .city-dir {
  padding: 48px 0 96px;
  background:#ffffff;
}

.page-city .city-dir__empty {
  display: none;
  padding: 64px 0;
  text-align: center;
  font-size: 15px;
  color: var(--text-muted);
}

.page-city .city-dir.is-empty .city-dir__empty {
  display: block;
}

.page-city .city-province {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 24px 40px;
  padding: 36px 0;
  border-bottom: 1px solid rgba(17, 40, 80, 0.08);
}

.page-city .city-province:first-child {
  padding-top: 8px;
}

.page-city .city-province.is-hidden {
  display: none;
}

.page-city .city-province__name {
  margin: 0;
  padding-top: 4px;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--text-dark);
}

.page-city .city-province__name span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--text-light);
}

.page-city .city-province__cities {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 4px;
  align-content: flex-start;
}

.page-city .city-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.page-city .city-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 5px;
  height: 1px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}

.page-city .city-link:hover {
  color: var(--primary);
}

.page-city .city-link:hover::after {
  transform: scaleX(1);
}

.page-city .city-link.is-hidden {
  display: none;
}

/* ---------- Footer CTA tweak ---------- */
.page-city .footer-cta h2 {
  max-width: 14em;
}

@media (max-width: 1200px) {
  .page-city .city-hero {
    padding: calc(var(--header-h) + 40px) 0 40px;
  }

  .page-city .city-hero__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .page-city .city-hero__panel {
    border-left: 0;
    border-top: 1px solid #c9cdd3;
    padding: 28px 0 0;
  }

  .page-city .city-search {
    max-width: none;
  }

  .page-city .city-regions {
    top: var(--header-h);
  }

  .page-city .city-province {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 28px 0;
  }

  .page-city .city-province__name {
    font-size: 20px;
  }
}

@media (max-width: 640px) {
  .page-city .city-hero h1 {
    font-size: 32px;
  }

  .page-city .city-hero__lead {
    font-size: 15px;
  }

  .page-city .city-hero__meta {
    gap: 20px;
  }

  .page-city .city-hero__meta strong {
    font-size: 22px;
  }

  .page-city .city-link {
    padding: 8px 10px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-city .city-link::after,
  .page-city .city-hot__list a,
  .page-city .city-search__btn {
    transition: none;
  }
}