/* ============================================
   Solutions - 解决方案页样式
   ============================================ */

/* ===== 锚点导航 ===== */
.solution-nav {
  position: sticky;
  top: var(--nav-height);
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-secondary);
  padding: var(--space-3) 0;
}

.solution-nav__list {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}

.solution-nav__link {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.solution-nav__link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.solution-nav__link.active {
  color: var(--text-inverse);
  background: var(--gradient-primary);
}

/* ===== 响应式 ===== */
@media (max-width: 767px) {
  .solution-nav {
    top: var(--nav-height-mobile);
  }

  .solution-nav__list {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: var(--space-1);
  }

  .solution-nav__list::-webkit-scrollbar {
    display: none;
  }

  .solution-nav__link {
    flex-shrink: 0;
  }
}