/* ========================================
   江苏常宜律师事务所 - 响应式样式
   ======================================== */

@media (max-width: 1024px) {
  .footer-main .container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html { font-size: 15px; }
  .container { padding: 0 16px; }
  .section { padding: 50px 0; }
  .section-title { margin-bottom: 32px; }
  .section-title h2 { font-size: 1.5rem; }

  .top-bar { display: none; }

  .site-header .container { height: 60px; }
  .logo { font-size: 1.05rem; }
  .logo-icon { width: 34px; height: 34px; font-size: 1rem; }

  .main-nav {
    position: fixed; top: 60px; left: 0; right: 0; bottom: 0;
    background: var(--bg); flex-direction: column; gap: 0;
    padding: 20px 0; transform: translateX(100%); transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg); z-index: 999;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a {
    display: block; padding: 14px 24px; border-bottom: 1px solid var(--border); font-size: 1rem;
  }
  .main-nav a::after { display: none; }
  .main-nav a.active { background: var(--bg-light); color: var(--primary); border-left: 3px solid var(--accent); }

  .header-cta { display: none; }
  .mobile-menu-btn { display: flex; }

  .mobile-menu-btn.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
  .mobile-menu-btn.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .page-banner { padding: 50px 0 40px; }
  .page-banner h1 { font-size: 1.6rem; }
  .page-banner p { font-size: 0.95rem; }

  .footer-main .container {
    grid-template-columns: 1fr; gap: 30px;
  }
  .footer-main { padding: 40px 0 20px; }

  .float-contact { right: 12px; bottom: 70px; }
  .float-contact a { width: 44px; height: 44px; font-size: 1rem; }
  .back-to-top { width: 40px; height: 40px; right: 16px; bottom: 16px; }
}

@media (max-width: 480px) {
  .btn { padding: 10px 20px; font-size: 0.9rem; }
  .card { padding: 20px; }
}