/* === 响应式样式 === */

/* 平板 */
@media (max-width: 992px) {
  .about-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-image {
    order: -1;
    text-align: center;
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .contact-page-wrapper {
    grid-template-columns: 1fr;
  }
  .product-detail-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .product-detail-card .product-icon {
    margin: 0 auto;
  }
  .product-specs {
    grid-template-columns: 1fr 1fr;
  }
}

/* 手机 */
@media (max-width: 768px) {
  .header-inner {
    height: 60px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #1a3d7a 0%, #2768EA 100%);
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.10);
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
  }

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

  .nav-list {
    flex-direction: column;
    gap: 4px;
  }

  .nav-link {
    display: block;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }

  .hero-wrapper {
    flex-direction: column;
    gap: 32px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-content .hero-title {
    text-align: center;
  }

  .hero-content .hero-desc {
    text-align: center;
    margin: 0 auto 2rem;
  }

  .hero-content .hero-actions {
    justify-content: center;
  }

  .hero-content .hero-stats {
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
  }

  .hero-image {
    max-width: 100%;
  }

  .hero-image img {
    max-width: 80%;
    margin: 0 auto;
  }

  .hero-title {
    font-size: 2rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .product-grid {
    gap: 16px;
  }

  .product-card {
    flex-direction: column;
    text-align: center;
    gap: 0;
  }

  .product-icon {
    width: 100%;
    height: 200px;
  }

  .product-card-body {
    padding: 20px;
  }

  .cases-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .case-body {
    padding: 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 24px 20px;
  }

  .contact-info {
    padding: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer {
    padding: 48px 0 0;
  }

  .inner-hero {
    padding: 100px 20px 40px;
  }

  .subpage-content {
    padding: 40px 0 60px;
  }

  .product-detail-card {
    padding: 24px 20px;
  }

  .product-specs {
    grid-template-columns: 1fr;
  }

  .case-detail-body {
    padding: 20px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-map-placeholder {
    height: 260px;
  }

  .hero-actions .btn {
    padding: 12px 28px;
    font-size: 0.9rem;
  }

  .stat-num {
    font-size: 1.4rem;
  }

  [data-aos] {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 1.7rem;
  }

  .hero-actions {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-actions .btn {
    flex: 0 1 auto;
    min-width: 130px;
  }

  .hero-content .hero-stats {
    gap: 0 20px;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }
}