@media (max-width: 980px) {
  .zai-search {
    display: none;
  }

  .zai-header-inner {
    min-height: 68px;
  }

  .zai-menu-toggle {
    display: block;
    order: 2;
  }

  .zai-primary-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    padding: 1rem clamp(1rem, 5vw, 3rem) 1.5rem;
    border-bottom: 1px solid var(--zai-line);
    background: var(--zai-canvas);
  }

  .zai-navigation.is-open .zai-primary-nav {
    display: block;
  }

  .zai-primary-menu {
    align-items: stretch;
    flex-direction: column;
    gap: 0;
  }

  .zai-primary-menu li {
    border-bottom: 1px solid var(--zai-line);
  }

  .zai-primary-menu li:last-child {
    border-bottom: 0;
  }

  .zai-primary-menu a {
    display: block;
    padding: 0.85rem 0;
    font-size: 1rem;
  }

  .zai-mobile-search {
    display: block;
    padding-top: 1rem;
    border-top: 1px solid var(--zai-line);
  }

  .zai-mobile-search .search-form {
    display: flex;
    gap: 0.6rem;
  }

  .zai-mobile-search label {
    flex: 1 1 auto;
  }

  .zai-mobile-search .search-field {
    box-sizing: border-box;
    width: 100%;
    min-height: 42px;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--zai-line);
    background: var(--zai-surface);
  }

  .zai-mobile-search .search-submit {
    min-height: 42px;
    padding: 0.6rem 1rem;
    border: 0;
    background: var(--zai-ink);
    color: var(--zai-surface);
  }

  .zai-language-nav {
    order: 1;
    padding-right: 0.2rem;
    padding-left: 0;
    border-left: 0;
  }

  .zai-menu-toggle {
    order: 2;
  }

  .zai-topic-section .wp-block-post-template {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

@media (min-width: 981px) {
  .zai-mobile-search {
    display: none;
  }
}

@media (max-width: 782px) {
  .admin-bar .zai-site-header {
    top: 46px;
  }

  .zai-header-inner {
    padding-right: 1rem !important;
    padding-left: 1rem !important;
  }

  .zai-header-inner .custom-logo {
    max-width: 118px;
    height: 36px;
  }

  .zai-navigation {
    gap: 0.8rem;
  }

  .zai-language-nav a {
    font-size: 0.72rem;
  }

  .zai-hero-copy {
    padding: 4.5rem 1rem;
  }

  .zai-home-hero h1 {
    font-size: clamp(3.15rem, 15vw, 4.8rem);
  }

  .zai-lang-zh .zai-home-hero h1 {
    max-width: 10ch;
    white-space: normal;
  }

  .zai-featured-query .zai-post-card,
  .zai-topic-section .wp-block-post-template:has(> :only-child) .zai-post-card {
    display: block;
  }

  .zai-featured-query .wp-block-post-featured-image,
  .zai-topic-section .wp-block-post-template:has(> :only-child) .wp-block-post-featured-image {
    margin-bottom: 1.4rem;
  }

  .zai-featured-query .wp-block-post-title {
    font-size: clamp(2rem, 9vw, 3rem);
  }

  .zai-topic-section .wp-block-post-template,
  .zai-topic-section .wp-block-post-template:has(> :nth-child(2):last-child) {
    grid-template-columns: 1fr !important;
  }

  .zai-section {
    padding-top: 3.75rem;
    padding-bottom: 3.75rem;
    padding-right: 1rem !important;
    padding-left: 1rem !important;
  }

  .zai-article-shell {
    padding-right: 1rem !important;
    padding-left: 1rem !important;
  }

  .zai-article-header .wp-block-post-title {
    font-size: clamp(2rem, 10vw, 3.2rem);
  }

  .zai-article-hero,
  .zai-article-hero img {
    max-height: 420px;
  }
}

@media (max-width: 480px) {
  .zai-hero-actions {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
  }

  .zai-hero-actions .wp-block-button,
  .zai-hero-actions .wp-block-button__link {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}