/* ===== 导航栏 ===== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0);
  backdrop-filter: blur(0px);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06), 0 4px 20px rgba(15, 23, 42, 0.04);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--gray-900);
  letter-spacing: -0.01em;
}

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

.navbar-logo-text {
  background: linear-gradient(135deg, var(--brand-700), var(--brand-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.navbar-link {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--gray-600);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.navbar-link:hover {
  color: var(--brand-600);
  background: var(--brand-50);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-mobile-btn {
  display: none;
  padding: 8px;
  color: var(--gray-700);
}

.navbar-mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  transform: translateY(-100%);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.navbar-mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.navbar-mobile-inner {
  padding: 16px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.navbar-mobile-link {
  padding: 14px 12px;
  font-size: 15px;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--gray-100);
}

.navbar-mobile-link:last-of-type {
  border-bottom: none;
}

.navbar-mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.btn-block {
  width: 100%;
}

@media (max-width: 1024px) {
  .navbar-links {
    display: none;
  }

  .navbar-actions {
    display: none;
  }

  .navbar-mobile-btn {
    display: block;
  }

  .navbar-mobile-menu {
    display: block;
  }
}