/* ==========================================================================
   responsive.css —— 响应式断点与无障碍降级
   ========================================================================== */

@media (max-width: 1023px) {
  .card-grid {
    gap: 16px;
  }
  .feature-card {
    padding: 22px;
  }
  .dimension-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .section {
    padding: 72px 0;
  }
  .hero {
    padding: 96px 20px;
  }
  .lang-switch {
    top: 16px;
    right: 16px;
    left: auto;
    min-height: 40px;
    padding: 4px 6px;
  }

  .lang-switch__btn {
    min-height: 30px;
    padding: 5px 12px;
    font-size: 14px;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .dimension-grid {
    grid-template-columns: 1fr;
  }
  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .vision-card {
    padding: 40px 26px;
  }
}

html[lang="en"] .hero__title {
  letter-spacing: -0.025em;
  line-height: 1.12;
}

html[lang="en"] .hero__intro,
html[lang="en"] .feature-card p,
html[lang="en"] .section__intro {
  line-height: 1.7;
}

html[lang="en"] .feature-card h3 {
  font-size: 1.05rem;
}

/* 减弱动效：关闭所有动画与过渡，蒙版以静态形式保留 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}