/**
 * Responsive — Apple Mobile Adaptation
 */

@media (max-width: 734px) {
  .nav-content {
    padding: 0 20px;
    height: 52px;
  }

  .nav-name {
    font-size: 19px;
  }

  .nav-desc {
    font-size: 11px;
  }

  .nav-right {
    gap: 12px;
  }

  .nav-links {
    gap: 18px;
  }

  .nav-links a {
    font-size: 13px;
  }

  .nav-socials {
    gap: 8px;
    padding-left: 12px;
  }

  .nav-social svg {
    width: 18px;
    height: 18px;
  }

  .main-content {
    padding: 36px 20px 80px;
  }

  .markdown-content h1 {
    font-size: 34px;
  }

  .markdown-content h2 {
    font-size: 24px;
    margin-top: 44px;
  }

  .markdown-content h3 {
    font-size: 19px;
  }

  .markdown-content p,
  .markdown-content li {
    font-size: 16px;
  }

  .paper-item {
    padding: 20px;
    flex-direction: column;
    gap: 16px;
  }

  .paper-thumb {
    width: 100%;
    max-width: 260px;
  }

  .project-card {
    padding: 22px;
  }

  .news-item {
    flex-direction: column;
    gap: 8px;
    padding: 16px 20px;
  }

  .about-card {
    padding: 20px 22px;
    margin: 16px 0;
    border-radius: 16px;
  }

  .about-card h2 {
    font-size: 22px !important;
  }

  .about-intro {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .about-intro .avatar-hover {
    width: 160px;
    height: 160px;
  }

  .about-intro .avatar-hover img {
    width: 160px !important;
    height: 160px !important;
  }

  .avatar-float {
    float: none;
    display: block;
    margin: 0 auto 28px;
    width: 160px;
    height: 160px;
  }

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

@media (max-width: 480px) {
  .nav-links {
    gap: 16px;
  }

  .nav-links a::after {
    display: none;
  }

  .markdown-content h1 {
    font-size: 30px;
  }

  .main-content {
    padding: 28px 16px 60px;
  }

  .paper-item {
    padding: 18px;
    border-radius: 16px;
  }

  .project-card {
    padding: 20px;
    border-radius: 18px;
  }
}

/* Print */
@media print {
  .global-nav {
    position: static;
    background: #fff;
    border-bottom: 1px solid #ddd;
  }

  .site-footer {
    background: #fff;
    border-top: 1px solid #ddd;
  }

  .paper-item,
  .project-card,
  .news-item {
    background: #fff;
    border: 1px solid #ddd;
    box-shadow: none;
  }
}