:root {
  --pk-global-bg: rgba(255, 255, 255, 0.88);
  --pk-global-ink: #1f2332;
  --pk-global-muted: #5f6472;
  --pk-global-purple: #7c5fa8;
  --pk-global-gold: #c9a96a;
  --pk-global-border: rgba(185, 173, 152, 0.42);
  --pk-global-shadow: 0 12px 30px rgba(17, 24, 39, 0.1);
  --pk-global-nav-height: 62px;
}

.pk-global-header,
.pk-global-header * {
  box-sizing: border-box;
}

.pk-global-header {
  position: sticky;
  top: 0;
  z-index: 9990;
  background: var(--pk-global-bg);
  border-bottom: 1px solid var(--pk-global-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  color: var(--pk-global-ink);
}

.pk-global-nav {
  width: min(1180px, calc(100% - 32px));
  min-height: var(--pk-global-nav-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-family: "Noto Sans TC", "Inter", "Segoe UI", Arial, sans-serif;
}

.pk-global-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--pk-global-ink);
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0;
  white-space: nowrap;
}

.pk-global-brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--pk-global-purple), #b89adf);
  color: #fff;
  font-size: 13px;
  box-shadow: 0 8px 18px rgba(124, 95, 168, 0.24);
}

.pk-global-brand-text {
  font-size: 16px;
  line-height: 1;
}

.pk-global-nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.pk-global-nav-links a {
  color: var(--pk-global-muted);
  text-decoration: none;
  border-radius: 999px;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.pk-global-nav-links a:hover,
.pk-global-nav-links a:focus-visible,
.pk-global-nav-links a.is-active {
  color: var(--pk-global-ink);
  background: rgba(124, 95, 168, 0.12);
}

.pk-global-nav-links a:focus-visible,
.pk-global-nav-toggle:focus-visible {
  outline: 3px solid rgba(124, 95, 168, 0.28);
  outline-offset: 2px;
}

.pk-global-nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--pk-global-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--pk-global-ink);
  cursor: pointer;
  padding: 9px;
}

.pk-global-nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  border-radius: 99px;
  background: currentColor;
}

.pk-global-header + header,
.pk-global-header + .nav {
  top: var(--pk-global-nav-height) !important;
}

@media (max-width: 860px) {
  .pk-global-nav {
    width: min(100% - 24px, 1180px);
    min-height: 58px;
    align-items: center;
  }

  .pk-global-nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .pk-global-nav-toggle span {
    width: 18px;
  }

  .pk-global-nav-links {
    position: absolute;
    top: calc(100% + 1px);
    left: 12px;
    right: 12px;
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 12px;
    border: 1px solid var(--pk-global-border);
    border-radius: 0 0 16px 16px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--pk-global-shadow);
  }

  .pk-global-header.is-open .pk-global-nav-links {
    display: grid;
  }

  .pk-global-nav-links a {
    display: block;
    padding: 12px;
    text-align: center;
    background: rgba(248, 245, 239, 0.62);
  }
}

@media (max-width: 460px) {
  .pk-global-brand-text {
    font-size: 15px;
  }

  .pk-global-nav-links {
    grid-template-columns: 1fr;
  }
}