/* ============================================
   澳门彩 - 响应式样式
   am-responsive.css
   ============================================ */

/* --- Large Desktop (≥1200px) --- */
@media (min-width: 1200px) {
  .am-container { max-width: 1200px; }
}

/* --- Desktop (≥1024px) --- */
@media (min-width: 1024px) {
  .am-hamburger { display: none; }
  .am-nav-links { display: flex !important; }
}

/* --- Tablet (768px - 1023px) --- */
@media (max-width: 1023px) {
  .am-hamburger {
    display: flex;
  }

  .am-nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 40, 80, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 30px;
    gap: 0;
  }

  .am-nav-links.am-mobile-open {
    display: flex;
  }

  .am-nav-links li a {
    padding: 16px 20px;
    font-size: 1.05rem;
    width: 100%;
    text-align: center;
  }

  .am-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .am-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .am-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .am-hero h1 {
    font-size: 2.2rem;
  }

  .am-page-hero h1 {
    font-size: 1.9rem;
  }

  .am-timeline-track {
    flex-direction: column;
    min-width: auto;
    padding: 0 20px;
  }

  .am-timeline-track::before {
    top: 0;
    bottom: 0;
    left: 30px;
    right: auto;
    width: 3px;
    height: 100%;
    transform: none;
  }

  .am-timeline-item {
    flex: none;
    text-align: left;
    padding-top: 0;
    padding-left: 60px;
    padding-bottom: 30px;
  }

  .am-timeline-dot {
    left: 30px;
    top: 5px;
    transform: translate(-50%, 0);
  }

  .am-app-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .am-app-phone {
    order: -1;
  }

  .am-vr-sidebar {
    grid-template-columns: repeat(2, 1fr);
  }

  .am-food-card {
    flex-direction: column;
  }

  .am-food-card img {
    width: 100%;
    height: 180px;
  }
}

/* --- Mobile (< 768px) --- */
@media (max-width: 767px) {
  html { font-size: 15px; }

  .am-grid-4,
  .am-grid-3,
  .am-grid-2 {
    grid-template-columns: 1fr;
  }

  .am-hero {
    min-height: 90vh;
  }

  .am-hero h1 {
    font-size: 1.7rem;
    letter-spacing: 1px;
  }

  .am-hero-subtitle {
    font-size: 0.95rem;
  }

  .am-page-hero {
    height: 300px;
  }

  .am-page-hero h1 {
    font-size: 1.5rem;
    padding: 0 15px;
  }

  .am-section {
    padding: 50px 0;
  }

  .am-section-title h2 {
    font-size: 1.5rem;
  }

  .am-footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .am-content-body {
    padding: 25px 20px;
  }

  .am-vr-viewer {
    height: 300px;
  }

  .am-vr-sidebar {
    grid-template-columns: 1fr;
  }

  .am-vr-content h2 {
    font-size: 1.8rem;
  }

  .am-trust-badges {
    gap: 30px;
  }

  .am-responsible {
    padding: 25px 20px;
  }

  .am-download-btns {
    flex-direction: column;
  }

  .am-download-btn {
    text-align: center;
  }

  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.2rem; }
}

/* --- Small Mobile (< 640px) --- */
@media (max-width: 639px) {
  .am-nav-inner {
    height: 60px;
  }

  .am-logo {
    font-size: 1.3rem;
  }

  .am-hero h1 {
    font-size: 1.5rem;
  }

  .am-video-card video {
    height: 180px;
  }

  .am-casino-card-img {
    height: 180px;
  }

  .am-casino-card-overlay {
    height: 180px;
  }
}