/* Mobile Responsiveness */
    @media (max-width: 968px) {
      .hero-main {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 98%;
        padding: 0 1rem;
      }
      
      .hero-video {
        order: 2;
      }
      
    }
    
    @media (max-width: 768px) {
      .hero {
        min-height: auto;
        padding: 4rem 0;
      }

      .hero::before,
      .hero::after {
        opacity: 0.3;
      }

      .hero-main {
        gap: 2rem;
        max-width: 100%;
        padding: 0 1rem;
      }

      .hero h1 {
        font-size: clamp(2rem, 8vw, 3rem);
      }

      .download-info {
        display: none;
      }

      .video-container {
        transform: none;
        border-radius: 16px;
      }

      .video-container:hover {
        transform: scale(1.01);
      }

      .video-container iframe,
      .video-loading,
      .video-fallback {
        height: 250px;
      }

      .trust-signals {
        justify-content: center;
      }

      .hero-download-cards {
        max-width: 100%;
      }

      /* 截图展示区移动端适配 */
      .screenshots-showcase {
        padding: 4rem 0;
      }

      .screenshot-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
      }

      .screenshot-item {
        max-width: 500px;
        margin: 0 auto;
      }
      
      .features-section,
      .comparison-section {
        padding: 4rem 0;
      }

      /* 对比卡片移动端适配 */
      .comparison-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
      }

      .comparison-card.featured {
        transform: scale(1);
      }

      .comparison-card.featured:hover {
        transform: translateY(-8px);
      }
      
      .community-section {
        padding: 4rem 0;
      }
      
      .qr-code-container {
        padding: 2rem 1.5rem;
      }
      
      .qr-code {
        width: 160px;
        height: 160px;
      }
    }
    
    @media (max-width: 480px) {
      .qr-code-container {
        padding: 1.5rem 1rem;
      }

      .qr-code {
        width: 140px;
        height: 140px;
      }

      .qr-description {
        font-size: 1.1rem;
      }

      .qr-subtitle {
        font-size: 0.9rem;
      }
    }