/* ============================================
   HEADER
   ============================================ */

.zhuoer-header {
  overflow-x: hidden;
  background: var(--zhuoer-color-bg);
  border-bottom: 1px solid var(--zhuoer-border-color, var(--zhuoer-color-border));
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  height: var(--zhuoer-header-height);
  display: flex;
  align-items: center;
  overflow: visible;
}

/* Inner: flex child that grows to fill space */
.zhuoer-header__inner {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  height: 100%;
  padding: 0 1.25rem;
  max-width: var(--zhuoer-wide-width);
  /* No margin:auto — let it grow to fill space (margin:auto on a flex child with flex:1 = centering) */
}

.zhuoer-header__brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: 1.5rem;
}

.zhuoer-site-branding {
  display: flex;
  align-items: center;
  gap: var(--zhuoer-spacing-sm);
}

.zhuoer-site-title-link {
  text-decoration: none;
}

.zhuoer-site-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0;
  color: var(--zhuoer-color-text);
  line-height: 1.2;
  white-space: nowrap;
}

.zhuoer-site-description {
  font-size: 0.75rem;
  color: var(--zhuoer-color-text-muted);
  margin: 0;
  line-height: 1.2;
}

/* Custom logo */
.custom-logo-link {
  display: flex;
  align-items: center;
}

.custom-logo {
  height: 36px;
  width: auto;
}

/* ============================================
   NAVIGATION
   ============================================ */

.zhuoer-nav__menu,
.zhuoer-nav .menu {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.zhuoer-nav__menu .menu-item,
.zhuoer-nav .menu-item {
  position: relative;
}

.zhuoer-nav__menu .menu-item > a,
.zhuoer-nav .menu-item > a {
  display: flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--zhuoer-color-text-muted);
  text-decoration: none;
  border-radius: 6px;
  transition: color var(--zhuoer-transition-fast), background var(--zhuoer-transition-fast);
  white-space: nowrap;
}

.zhuoer-nav__menu .menu-item > a:hover,
.zhuoer-nav__menu .menu-item > a:focus,
.zhuoer-nav .menu-item > a:hover,
.zhuoer-nav .menu-item > a:focus {
  color: var(--zhuoer-color-text);
  background: rgba(0,0,0,0.04);
}

.zhuoer-nav__menu .current-menu-item > a,
.zhuoer-nav__menu .current-menu-parent > a,
.zhuoer-nav .current-menu-item > a {
  color: var(--zhuoer-color-text);
  font-weight: 600;
}

/* ============================================
   DESKTOP HEADER (>=769px)
   ============================================ */
@media (min-width: 769px) {
  .zhuoer-menu-toggle { display: none !important; }
  body { padding-top: 0 !important; }

  /* Full-width sticky header — flex row, three direct children */
  .zhuoer-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    display: flex;
    align-items: center;
    background: var(--zhuoer-color-bg);
    box-shadow: 0 1px 0 rgba(0,0,0,0.08);
    border-bottom: 1px solid var(--zhuoer-color-border);
  }

  .zhuoer-header__inner {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    height: var(--zhuoer-header-height);
    padding: 0 1.25rem;
    max-width: var(--zhuoer-wide-width);
  }

  .zhuoer-header__brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-right: 1.5rem;
  }

  /* Nav: horizontal flex, grows to fill */
  .zhuoer-nav {
    display: flex !important;
    flex-direction: row;
    align-items: center;
    flex: 1;
    min-width: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
  }

  .zhuoer-nav__menu,
  .zhuoer-nav .menu {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .zhuoer-nav__menu .menu-item,
  .zhuoer-nav .menu-item {
    position: relative;
  }

  .zhuoer-nav__menu .menu-item > a,
  .zhuoer-nav .menu-item > a {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--zhuoer-color-text-muted);
    text-decoration: none;
    border-radius: 6px;
    transition: color 0.15s ease, background 0.15s ease;
    white-space: nowrap;
  }

  .zhuoer-nav__menu .menu-item > a:hover,
  .zhuoer-nav__menu .menu-item > a:focus,
  .zhuoer-nav .menu-item > a:hover,
  .zhuoer-nav .menu-item > a:focus {
    color: var(--zhuoer-color-text);
    background: rgba(0,0,0,0.04);
  }

  .zhuoer-nav__menu .current-menu-item > a,
  .zhuoer-nav__menu .current-menu-parent > a,
  .zhuoer-nav .current-menu-item > a {
    color: var(--zhuoer-color-text);
    font-weight: 600;
  }

  /* ─── Dropdown — Chrome DevTools AI Panel inspired ─────────────────────────── */

  /* Parent item: give relative + ensure z-index stacks above header */
  .zhuoer-nav__menu .menu-item,
  .zhuoer-nav .menu-item {
    position: relative;
  }

  /* Dropdown panel — hidden by default */
  .zhuoer-nav__menu .sub-menu,
  .zhuoer-nav__menu .children,
  .zhuoer-nav .sub-menu,
  .zhuoer-nav .children {
    display: none !important;
    position: absolute;
    top: calc(100% + 8px);        /* 8px gap — floats below header */
    left: 0;
    min-width: 200px;
    background: var(--zhuoer-color-bg);
    border: 1px solid var(--zhuoer-color-border);
    border-radius: 10px;          /* Chrome DevTools card corner radius */
    /* Layered shadow — precise, not heavy */
    box-shadow:
      0 0 0 1px rgba(0,0,0,0.04),
      0 4px 6px -1px rgba(0,0,0,0.06),
      0 12px 24px -4px rgba(0,0,0,0.10);
    padding: 0.375rem 0;
    z-index: 1100;
    list-style: none;
    margin: 0;
    flex-direction: column;
    /* Fade + slide in from top */
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition:
      opacity 0.15s ease,
      transform 0.15s ease,
      box-shadow 0.15s ease;
  }

  /* Show on hover / keyboard focus */
  .zhuoer-nav__menu .menu-item:hover > .sub-menu,
  .zhuoer-nav__menu .menu-item:hover > .children,
  .zhuoer-nav__menu .menu-item:focus-within > .sub-menu,
  .zhuoer-nav__menu .menu-item:focus-within > .children,
  .zhuoer-nav .menu-item:hover > .sub-menu,
  .zhuoer-nav .menu-item:hover > .children {
    display: flex !important;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  /* Dropdown item links */
  .zhuoer-nav__menu .sub-menu .menu-item > a,
  .zhuoer-nav__menu .children .menu-item > a,
  .zhuoer-nav .sub-menu .menu-item > a,
  .zhuoer-nav .children .menu-item > a {
    display: flex;
    align-items: center;
    justify-content: space-between; /* push arrow to right */
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;          /* 13px — crisp, not tiny */
    font-weight: 400;
    color: var(--zhuoer-color-text-muted);
    border-radius: 0;
    border-bottom: none;
    width: 100%;
    transition: background 0.12s ease, color 0.12s ease;
    position: relative;
    gap: 0.5rem;
  }

  /* Hover state — subtle fill */
  .zhuoer-nav__menu .sub-menu .menu-item > a:hover,
  .zhuoer-nav__menu .children .menu-item > a:hover,
  .zhuoer-nav .sub-menu .menu-item > a:hover,
  .zhuoer-nav .children .menu-item > a:hover {
    color: var(--zhuoer-color-text);
    background: rgba(0,0,0,0.04);
  }

  /* Active/current item */
  .zhuoer-nav__menu .sub-menu .menu-item.current-menu-item > a,
  .zhuoer-nav__menu .children .menu-item.current-menu-item > a,
  .zhuoer-nav .sub-menu .menu-item.current-menu-item > a,
  .zhuoer-nav .children .menu-item.current-menu-item > a {
    color: var(--zhuoer-color-link);
    background: rgba(26,115,232,0.06);
    font-weight: 500;
  }

  /* Arrow chevron for items that have sub-items */
  .zhuoer-nav__menu .menu-item-has-children > a::after,
  .zhuoer-nav .menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    margin-left: 0.25rem;
    /* Chevron-down SVG */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.6;
    transition: transform 0.15s ease, opacity 0.15s ease;
  }

  .zhuoer-nav__menu .menu-item-has-children > a:hover::after,
  .zhuoer-nav .menu-item-has-children > a:hover::after {
    opacity: 1;
  }

  /* Second-level sub-menu (grandchildren) — appear to the right */
  .zhuoer-nav__menu .sub-menu .sub-menu,
  .zhuoer-nav__menu .children .children,
  .zhuoer-nav .sub-menu .sub-menu,
  .zhuoer-nav .children .children {
    top: -8px;
    left: calc(100% + 8px);
    transform: translateX(-6px);
    opacity: 0;
  }

  .zhuoer-nav__menu .menu-item:hover > .sub-menu .sub-menu,
  .zhuoer-nav__menu .menu-item:hover > .children .children {
    transform: translateX(0);
    opacity: 1;
  }

  /* Header actions: theme toggle — pushed to far right by margin-left:auto on search */
  .zhuoer-header__actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
    padding-right: 1.25rem;
  }

  .zhuoer-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent !important;
    border: none !important;
    border-radius: 50%;
    cursor: pointer;
    color: #5f6368;
    padding: 0;
    transition: background 0.15s ease, color 0.15s ease;
  }

  .zhuoer-theme-toggle:hover {
    background: rgba(0,0,0,0.06) !important;
    color: #202124;
  }

  .zhuoer-theme-toggle__icon-sun { display: flex; }
  .zhuoer-theme-toggle__icon-moon { display: none; }

  /* Desktop search: Google-style pill, appears AFTER theme toggle in DOM (visually: icon to LEFT of theme btn) */
  .zhuoer-desktop-search {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    width: 40px;
    max-width: 40px;
    height: 34px;
    margin-left: auto;
    margin-right: 0;
    background: #f1f3f4;
    border: 1px solid transparent;
    border-radius: 24px;
    overflow: hidden;
    cursor: pointer;
    transition: width 0.22s cubic-bezier(0.4, 0, 0.2, 1),
                max-width 0.22s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.2s ease,
                border-color 0.2s ease,
                box-shadow 0.2s ease;
  }

  .zhuoer-desktop-search.is-open {
    width: 260px;
    max-width: 260px;
    background: #ffffff;
    border-color: #dfe1e5;
    box-shadow: 0 1px 3px rgba(32,33,36,0.12), 0 0 0 1px rgba(32,33,36,0.06);
    cursor: default;
  }

  .zhuoer-desktop-search__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 34px;
    flex-shrink: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    color: #5f6368;
    padding: 0;
    transition: background 0.15s ease, color 0.15s ease;
  }

  .zhuoer-desktop-search__toggle:hover {
    background: rgba(0,0,0,0.06);
    color: #202124;
  }

  /* Normal row: close(LEFTP), input(grows), icon(RIGHT-fixed) */
  .zhuoer-desktop-search__form {
    display: flex;
    align-items: center;
    flex: 1;
    height: 100%;
    overflow: hidden;
    position: relative;
  }

  .zhuoer-desktop-search__icon {
    flex-shrink: 0;
    color: #5f6368;
    display: flex;
    align-items: center;
    padding: 0 0.5rem;
    /* Fixed at right side of form */
    margin-left: auto;
    z-index: 1;
  }

  .zhuoer-desktop-search__input {
    display: none;
    flex: 1;
    border: none !important;
    background: transparent !important;
    padding: 0 0.5rem !important;
    font-size: 0.875rem !important;
    font-family: inherit !important;
    color: var(--zhuoer-color-text) !important;
    box-shadow: none !important;
    -webkit-appearance: none !important;
    min-width: 0;
    line-height: 1;
    height: 100%;
  }

  .zhuoer-desktop-search.is-open .zhuoer-desktop-search__input {
    display: flex;
  }

  .zhuoer-desktop-search__close {
    display: none;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: #5f6368;
    padding: 0;
    transition: background 0.15s ease, color 0.15s ease;
    margin-right: 0.25rem;
  }

  .zhuoer-desktop-search.is-open .zhuoer-desktop-search__close {
    display: flex;
  }

  .zhuoer-desktop-search__input:focus {
    outline: none !important;
    box-shadow: none !important;
  }

  .zhuoer-desktop-search__input::placeholder {
    color: #9aa0a6 !important;
  }

  .zhuoer-desktop-search__close {
    display: none;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: #5f6368;
    padding: 0;
    transition: background 0.15s ease, color 0.15s ease;
    margin-right: 0.25rem;
  }

  .zhuoer-desktop-search.is-open .zhuoer-desktop-search__close {
    display: flex;
  }

  .zhuoer-desktop-search__close:hover {
    background: rgba(0,0,0,0.06);
    color: #202124;
  }

  .zhuoer-search-toggle { display: none !important; }
  .zhuoer-search-toggle-mobile { display: none !important; }

  /* Dark mode: desktop */
  [data-theme="dark"] .zhuoer-header {
    background: #1a1a1a;
    border-bottom-color: #2d2d2d;
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
  }
  /* Subtle border between header and page content */
  [data-theme="dark"] .zhuoer-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06) 20%, rgba(255,255,255,0.06) 80%, transparent);
  }
  [data-theme="dark"] .zhuoer-nav__menu .menu-item > a,
  [data-theme="dark"] .zhuoer-nav .menu-item > a { color: #9aa0a6; }
  [data-theme="dark"] .zhuoer-nav__menu .menu-item > a:hover,
  [data-theme="dark"] .zhuoer-nav .menu-item > a:hover { color: #e8e8e8; background: rgba(255,255,255,0.06); }
  [data-theme="dark"] .zhuoer-nav__menu .current-menu-item > a,
  [data-theme="dark"] .zhuoer-nav .current-menu-item > a { color: #e8e8e8; }
  [data-theme="dark"] .zhuoer-nav__menu .sub-menu,
  [data-theme="dark"] .zhuoer-nav__menu .children,
  [data-theme="dark"] .zhuoer-nav .sub-menu,
  [data-theme="dark"] .zhuoer-nav .children {
    background: #1a1a1a;
    border-color: #2d2d2d;
    box-shadow:
      0 0 0 1px rgba(255,255,255,0.04),
      0 4px 6px -1px rgba(0,0,0,0.3),
      0 12px 24px -4px rgba(0,0,0,0.4);
  }
  [data-theme="dark"] .zhuoer-nav__menu .sub-menu .menu-item > a,
  [data-theme="dark"] .zhuoer-nav__menu .children .menu-item > a,
  [data-theme="dark"] .zhuoer-nav .sub-menu .menu-item > a,
  [data-theme="dark"] .zhuoer-nav .children .menu-item > a { color: #9aa0a6; }
  [data-theme="dark"] .zhuoer-nav__menu .sub-menu .menu-item > a:hover,
  [data-theme="dark"] .zhuoer-nav__menu .children .menu-item > a:hover,
  [data-theme="dark"] .zhuoer-nav .sub-menu .menu-item > a:hover,
  [data-theme="dark"] .zhuoer-nav .children .menu-item > a:hover { color: #e8e8e8; background: rgba(255,255,255,0.06); }
  [data-theme="dark"] .zhuoer-nav__menu .sub-menu .menu-item.current-menu-item > a,
  [data-theme="dark"] .zhuoer-nav__menu .children .menu-item.current-menu-item > a {
    color: #8ab4f8; background: rgba(138,180,248,0.08);
  }
  [data-theme="dark"] .zhuoer-nav__menu .menu-item-has-children > a::after,
  [data-theme="dark"] .zhuoer-nav .menu-item-has-children > a::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239aa0a6' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  }
  /* Theme toggle */
  [data-theme="dark"] .zhuoer-theme-toggle { color: #9aa0a6; }
  [data-theme="dark"] .zhuoer-theme-toggle:hover { background: rgba(255,255,255,0.08) !important; color: #e8e8e8; }
  [data-theme="dark"] .zhuoer-theme-toggle__icon-sun { display: none; }
  [data-theme="dark"] .zhuoer-theme-toggle__icon-moon { display: flex; }
  /* Desktop search pill */
  [data-theme="dark"] .zhuoer-desktop-search { background: #2a2a2a; border-color: #3a3a3a; }
  [data-theme="dark"] .zhuoer-desktop-search:hover { background: #333; border-color: #444; }
  [data-theme="dark"] .zhuoer-desktop-search.is-open {
    background: #242424;
    border-color: #444;
    box-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
  }
  [data-theme="dark"] .zhuoer-desktop-search__icon,
  [data-theme="dark"] .zhuoer-desktop-search__toggle { color: #7a8288; }
  [data-theme="dark"] .zhuoer-desktop-search__toggle:hover { background: rgba(255,255,255,0.08); color: #e8e8e8; }
  [data-theme="dark"] .zhuoer-desktop-search__input { color: #e8e8e8 !important; background: transparent; }
  [data-theme="dark"] .zhuoer-desktop-search__input:focus { color: #e8e8e8; }
  [data-theme="dark"] .zhuoer-desktop-search__input::placeholder { color: #5a6066 !important; }
  [data-theme="dark"] .zhuoer-desktop-search__close { color: #7a8288; }
  [data-theme="dark"] .zhuoer-desktop-search__close:hover { background: rgba(255,255,255,0.08); color: #e8e8e8; }
}

/* ============================================
   MOBILE HEADER + SEARCH (<=768px)
   ============================================ */
@media (max-width: 768px) {
  .zhuoer-desktop-search { display: none !important; }

  .zhuoer-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    background: var(--zhuoer-color-bg);
    box-shadow: 0 1px 0 rgba(0,0,0,0.08);
    border-bottom: 1px solid var(--zhuoer-color-border);
  }

  .zhuoer-header__inner {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    height: var(--zhuoer-header-height);
    padding: 0 1rem;
    gap: 0.5rem;
  }

  .zhuoer-header__brand { flex-shrink: 0; display: flex; align-items: center; }

  .zhuoer-nav { display: none; }

  /* Full-width mobile nav: break out of header__inner padding */
  .zhuoer-nav.is-open {
    position: fixed;
    top: var(--zhuoer-header-height);
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw !important;
    min-width: 100vw;
    max-width: 100vw;
    background: var(--zhuoer-color-bg);
    z-index: 9999;
    overflow-y: auto;
    padding: 0;
    gap: 0;
    display: flex !important;
    flex-direction: column;
    animation: navSlideDown 0.22s cubic-bezier(0.4,0,0.2,1);
  }
  @keyframes navSlideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .zhuoer-nav__menu,
  .zhuoer-nav .menu {
    display: flex;
    flex-direction: column;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
  }
  .zhuoer-nav__menu .menu-item,
  .zhuoer-nav .menu-item {
    width: 100%;
  }
  .zhuoer-nav__menu .menu-item > a,
  .zhuoer-nav .menu-item > a {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.9375rem 1.5rem;
    font-size: 1.0625rem;
    font-weight: 500;
    color: var(--zhuoer-color-text);
    border-bottom: 1px solid var(--zhuoer-color-border);
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease, padding-left 0.15s ease;
  }
  .zhuoer-nav__menu .menu-item > a:hover,
  .zhuoer-nav__menu .menu-item > a:active,
  .zhuoer-nav .menu-item > a:hover,
  .zhuoer-nav .menu-item > a:active {
    color: var(--zhuoer-color-link);
    background: var(--zhuoer-color-surface);
    padding-left: 2rem;
  }
  .zhuoer-nav__menu .sub-menu,
  .zhuoer-nav__menu .children,
  .zhuoer-nav .sub-menu,
  .zhuoer-nav .children {
    display: flex !important;
    flex-direction: column;
    padding: 0;
    background: var(--zhuoer-color-surface);
    border: none;
    box-shadow: none;
    list-style: none;
    margin: 0;
    width: 100%;
  }
  .zhuoer-nav__menu .sub-menu .menu-item > a,
  .zhuoer-nav__menu .children .menu-item > a,
  .zhuoer-nav .sub-menu .menu-item > a,
  .zhuoer-nav .children .menu-item > a {
    font-size: 0.9375rem;
    font-weight: 400;
    padding: 0.75rem 1.5rem 0.75rem 2.5rem;
    color: var(--zhuoer-color-text-muted);
    border-bottom: none;
  }
  .zhuoer-nav__menu .sub-menu .menu-item > a:hover,
  .zhuoer-nav__menu .children .menu-item > a:hover,
  .zhuoer-nav .sub-menu .menu-item > a:hover,
  .zhuoer-nav .children .menu-item > a:hover {
    background: var(--zhuoer-color-surface);
    color: var(--zhuoer-color-link);
  }
  /* Dark mode for mobile nav */
  [data-theme="dark"] .zhuoer-nav.is-open {
    background: #1a1a1a;
  }
  [data-theme="dark"] .zhuoer-nav__menu .menu-item > a,
  [data-theme="dark"] .zhuoer-nav .menu-item > a {
    color: #c4c7cc;
    border-bottom-color: #2d2d2d;
  }
  [data-theme="dark"] .zhuoer-nav__menu .menu-item > a:hover,
  [data-theme="dark"] .zhuoer-nav .menu-item > a:hover {
    background: rgba(255,255,255,0.05);
    color: #8ab4f8;
  }
  [data-theme="dark"] .zhuoer-nav__menu .sub-menu,
  [data-theme="dark"] .zhuoer-nav__menu .children,
  [data-theme="dark"] .zhuoer-nav .sub-menu,
  [data-theme="dark"] .zhuoer-nav .children {
    background: rgba(0,0,0,0.2);
  }
  [data-theme="dark"] .zhuoer-nav__menu .sub-menu .menu-item > a,
  [data-theme="dark"] .zhuoer-nav__menu .children .menu-item > a {
    color: #7a8288;
  }
  [data-theme="dark"] .zhuoer-nav__menu .sub-menu .menu-item > a:hover {
    background: rgba(255,255,255,0.04);
    color: #8ab4f8;
  }

  .zhuoer-header__actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
    margin-right: 0;
  }

  .zhuoer-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent !important;
    border: none !important;
    border-radius: 50%;
    cursor: pointer;
    color: #5f6368;
    padding: 0;
    transition: background 0.15s ease, color 0.15s ease;
  }

  .zhuoer-theme-toggle:hover { background: rgba(0,0,0,0.06) !important; color: #202124; }

  .zhuoer-search-toggle-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: #5f6368;
    padding: 0;
    transition: background 0.15s ease, color 0.15s ease;
  }

  .zhuoer-search-toggle-mobile:hover { background: rgba(0,0,0,0.06); color: #202124; }

  #zhuoer-search-bar {
    display: none;
    position: fixed;
    top: var(--zhuoer-header-height);
    left: 0;
    right: 0;
    z-index: 10001;
    background: var(--zhuoer-color-bg);
    border-bottom: 1px solid var(--zhuoer-color-border);
    padding: 0.875rem 1rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateY(-8px);
    opacity: 0;
    transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  }

  #zhuoer-search-bar.zhuoer-search-bar--open {
    display: block;
    transform: translateY(0);
    opacity: 1;
  }

  .zhuoer-mobile-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    background: var(--zhuoer-color-surface);
    border: 1.5px solid var(--zhuoer-color-border);
    border-radius: 10px;
    padding: 0.25rem 0.25rem 0.25rem 0.75rem;
    height: 44px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .zhuoer-mobile-search:focus-within {
    border-color: var(--zhuoer-color-accent);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.12);
  }

  .zhuoer-mobile-search__close {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--zhuoer-color-text-muted);
    border-radius: 50%;
    transition: color 0.15s ease, background 0.15s ease;
    padding: 0;
  }

  .zhuoer-mobile-search__close:hover { color: var(--zhuoer-color-text); background: var(--zhuoer-color-border); }

  .zhuoer-mobile-search__inner {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    gap: 0.4rem;
  }

  .zhuoer-mobile-search__icon { flex-shrink: 0; color: var(--zhuoer-color-text-muted); display: flex; align-items: center; }

  .zhuoer-mobile-search__input {
    flex: 1;
    border: none !important;
    background: transparent !important;
    padding: 0 !important;
    font-size: 0.9375rem !important;
    font-family: inherit !important;
    color: var(--zhuoer-color-text) !important;
    box-shadow: none !important;
    -webkit-appearance: none !important;
    min-width: 0;
    width: 100%;
    line-height: 1;
  }

  .zhuoer-mobile-search__input:focus { outline: none !important; box-shadow: none !important; }
  .zhuoer-mobile-search__input::placeholder { color: var(--zhuoer-color-text-muted) !important; }

  .zhuoer-mobile-search__submit {
    flex-shrink: 0;
    height: 36px;
    padding: 0 0.875rem !important;
    background: var(--zhuoer-color-link) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    font-family: inherit !important;
    cursor: pointer;
    transition: background 0.15s ease !important;
    white-space: nowrap;
  }

  .zhuoer-mobile-search__submit:hover { background: var(--zhuoer-color-link-hover) !important; }

  [data-theme="dark"] #zhuoer-search-bar { background: #1a1a1a; border-bottom-color: #2a2a2a; }
  [data-theme="dark"] .zhuoer-mobile-search { background: #242424; border-color: #333; }
  [data-theme="dark"] .zhuoer-mobile-search:focus-within { border-color: var(--zhuoer-color-accent); box-shadow: 0 0 0 3px rgba(138, 180, 248, 0.15); }
  [data-theme="dark"] .zhuoer-mobile-search__icon,
  [data-theme="dark"] .zhuoer-mobile-search__close { color: #888; }
  [data-theme="dark"] .zhuoer-mobile-search__input { color: #e8e8e8 !important; }
  [data-theme="dark"] .zhuoer-mobile-search__input::placeholder { color: #555 !important; }
  [data-theme="dark"] .zhuoer-theme-toggle { color: #9aa0a6; }
  [data-theme="dark"] .zhuoer-theme-toggle:hover { background: rgba(255,255,255,0.08) !important; color: #e8e8e8; }
  [data-theme="dark"] .zhuoer-search-toggle-mobile { color: #9aa0a6; }
  [data-theme="dark"] .zhuoer-search-toggle-mobile:hover { background: rgba(255,255,255,0.08); color: #e8e8e8; }
  [data-theme="dark"] .zhuoer-theme-toggle__icon-sun { display: none; }
  [data-theme="dark"] .zhuoer-theme-toggle__icon-moon { display: flex; }
}

/* Archive / Search result section spacing */
section.zhuoer-archive {
    padding: var(--zhuoer-spacing-xxl) 0;
}

.comment-form {
    display: grid !important;
    grid-template-columns: 1fr 1fr 1fr !important;
    gap: 12px !important;
}
/* 第一行：textarea 全宽 */
.comment-form-comment {
    grid-column: 1 / -1 !important;
}
/* 第二行：昵称 | 邮箱 | 网站 */
.comment-form-author {
    grid-column: 1 !important;
}
.comment-form-email {
    grid-column: 2 !important;
}
.comment-form-url {
    grid-column: 3 !important;
}
/* 第三行：cookies + submit */
.comment-form-cookies-consent,
.form-submit {
    grid-column: 1 / -1 !important;
}
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"] {
    width: 100% !important;
    box-sizing: border-box !important;
}
@media (max-width: 600px) {
    .comment-form {
        grid-template-columns: 1fr !important;
    }
    .comment-form-author,
    .comment-form-email,
    .comment-form-url {
        grid-column: 1 !important;
    }
}

/* 覆盖style.css中comment-form-author/email/url的3列grid，让input占满 */
.comment-form-author,
.comment-form-email,
.comment-form-url {
    display: block !important;
    grid-template-columns: none !important;
}