.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* ── Announcement Bar ── */
.announcement-bar {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.9);
  font-size: var(--font-size-xs);
  text-align: center;
  padding: 5px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.announcement-bar a { color: var(--gold); font-weight: 700; }

/* ── Header Main ── */
.header-main {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  max-width: var(--container);
  margin: 0 auto;
}

/* ── Logo ── */
.header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  text-decoration: none;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.18);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-icon i {
  font-size: 18px;
  color: #fff;
}
.logo-text {
  line-height: 1.1;
}
.logo-text strong {
  display: block;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.logo-text span {
  color: rgba(255,255,255,0.8);
  font-size: 10px;
  font-weight: 500;
}

/* ── Search Bar ── */
.header-search {
  flex: 1;
  max-width: 680px;
  display: flex;
  background: #fff;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.header-search input {
  flex: 1;
  padding: 10px 14px;
  border: none;
  outline: none;
  font-size: var(--font-size-base);
  color: var(--text);
  background: transparent;
}
.header-search input::placeholder { color: var(--text-light); }
.search-btn {
  padding: 0 20px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}
.search-btn:hover { background: var(--primary-dark); }
.search-btn span { font-size: 13px; font-weight: 600; }

/* ── Header Icons ── */
.header-icons {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.header-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 10px;
  color: #fff;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  position: relative;
}
.header-icon:hover { background: rgba(255,255,255,0.15); color: #fff; }
.header-icon i { font-size: 18px; }
.header-icon span { font-size: 10px; white-space: nowrap; }
.header-icon .badge-count {
  position: absolute;
  top: 4px;
  right: 6px;
  background: var(--gold);
  color: #333;
  font-size: 9px;
  font-weight: 800;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Category Nav ── */
.category-nav {
  background: rgba(0,0,0,0.12);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.category-nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  height: var(--nav-h);
}
.category-nav-inner::-webkit-scrollbar { display: none; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 14px;
  height: 100%;
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition-fast);
  border-bottom: 2px solid transparent;
  text-decoration: none;
}
.nav-link:hover,
.nav-link.active {
  color: #fff;
  border-bottom-color: var(--gold);
  background: rgba(255,255,255,0.08);
}
.nav-link .nav-icon,
.nav-link i.nav-icon { font-size: 12px; opacity: 0.85; }

/* ── Search Suggestions ── */
.search-suggestions {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  background: #fff;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow);
  z-index: var(--z-tooltip);
  display: none;
  max-height: 320px;
  overflow-y: auto;
}
.search-suggestions.active { display: block; }
.suggestion-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--text);
  font-size: var(--font-size-base);
}
.suggestion-item:hover { background: var(--bg); }
.suggestion-item i { color: var(--text-light); font-size: 12px; }