/* ==========================================================================
   龙猫云 TotoroCloud — 响应式样式
   ========================================================================== */

/* ---- Tablet: <= 1024px ---- */
@media (max-width: 1024px) {
  .card-grid,
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero-visual {
    order: -1;
    max-width: 420px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    row-gap: 32px;
  }
}

/* ---- Nav collapse: <= 920px ---- */
@media (max-width: 920px) {
  .main-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta .btn-outline-label {
    display: none;
  }
}

/* ---- Mobile: <= 640px ---- */
@media (max-width: 640px) {
  .section {
    padding: 44px 0;
  }

  .section-tight {
    padding: 28px 0;
  }

  .hero {
    padding: 36px 0 44px;
  }

  .hero-copy p {
    max-width: none;
  }

  .hero-actions .btn {
    width: 100%;
  }

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

  .stat-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-cta span.nav-brand-btn-text {
    display: none;
  }

  h1 {
    font-size: 1.7rem !important;
  }

  .section-head h2 {
    font-size: 1.4rem;
  }
}

/* ---- Small phones: <= 380px ---- */
@media (max-width: 380px) {
  .container {
    padding: 0 14px;
  }

  .brand-en {
    display: none;
  }
}

/* ---- Responsive tables ---- */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin: 20px 0;
}

.table-scroll table {
  min-width: 640px;
}

@media (max-width: 640px) {
  .table-scroll table {
    min-width: 560px;
  }
}