.xpk-site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(220, 229, 222, .8);
}
.xpk-site-header.is-scrolled { box-shadow: 0 8px 30px rgba(24, 55, 45, .10); }
.xpk-header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 28px;
}
.xpk-logo { flex: 0 0 236px; display: flex; align-items: center; }
.xpk-logo img { max-width: 218px; max-height: 48px; object-fit: contain; }
.xpk-primary-nav { flex: 1; height: 100%; }
.xpk-menu {
  display: flex;
  justify-content: center;
  align-items: stretch;
  height: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
}
.xpk-menu > li { position: relative; }
.xpk-menu > li > a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 18px;
  color: #426052;
  font-size: 15px;
  white-space: nowrap;
}
.xpk-menu > li:hover > a,
.xpk-menu > li.current-menu-item > a { color: var(--color-primary); font-weight: 700; }
.xpk-menu .sub-menu {
  position: absolute;
  left: 50%;
  top: 100%;
  min-width: 190px;
  transform: translateX(-50%);
  display: none;
  list-style: none;
  margin: 0;
  padding: 8px 0;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}
.xpk-menu li:hover > .sub-menu { display: block; }
.xpk-menu .sub-menu a { display: block; padding: 9px 18px; color: #555; white-space: nowrap; font-size: 14px; }
.xpk-menu .sub-menu a:hover { background: #fafafa; color: var(--color-primary); }
.xpk-search-open {
  border: 1px solid #dce8dd;
  background: #f5f9f5;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
}
.xpk-mobile-toggle { display: none; border: 0; background: transparent; width: 38px; padding: 8px; }
.xpk-mobile-toggle span { display: block; height: 2px; margin: 5px 0; background: #333; }
.xpk-search-panel {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, .78);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 16vh;
}
.xpk-search-panel[hidden] { display: none; }
.xpk-search-close {
  position: absolute;
  top: 28px;
  right: 36px;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 36px;
  cursor: pointer;
}
.xpk-search-form {
  display: flex;
  width: min(680px, calc(100% - 40px));
  border-bottom: 2px solid #fff;
}
.xpk-search-form button,
.xpk-search-form input { border: 0; background: transparent; color: #fff; outline: none; }
.xpk-search-form button { width: 56px; font-size: 28px; cursor: pointer; }
.xpk-search-form input { flex: 1; padding: 16px 6px; font-size: 18px; }
.xpk-search-form input::placeholder { color: rgba(255,255,255,.75); }
.xpk-hot-words { width: min(680px, calc(100% - 40px)); margin-top: 20px; color: #fff; }
.xpk-hot-words span { display: block; color: rgba(255,255,255,.7); margin-bottom: 12px; }
.xpk-hot-words a { display: inline-block; margin: 0 8px 8px 0; padding: 5px 13px; border: 1px solid rgba(255,255,255,.38); border-radius: 14px; color: #fff; }