/* ===== 大屏幕优化 ===== */
@media (min-width: 1200px) {
  .container {
    max-width: 1300px;
  }
  
  .hero-content {
    padding: var(--spacing-4xl) var(--spacing-3xl);
  }
  
  .features-bento-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== 平板端适配 ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    padding: 120px var(--spacing-lg) var(--spacing-xxl);
  }

  .title-main {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
  }

  .about-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
  }

  .download-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
  }

  .features-bento-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: minmax(180px, auto);
  }
  
  .feature-divination {
    grid-area: auto / auto / auto / span 2;
  }
  
  .feature-analysis {
    grid-area: auto / auto / auto / span 1;
  }

  .feature-history {
    grid-area: auto / auto / auto / span 1;
  }

  .feature-culture {
    grid-area: auto / auto / auto / span 2; /* 让它也占两列，避免留白 */
  }
  
  .feature-membership {
    grid-area: auto / auto / auto / span 2;
  }
}

/* ===== 移动端适配 ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .nav-container {
    padding: var(--spacing-sm) var(--spacing-sm);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xxl);
    transition: right var(--transition-normal);
    border-left: var(--border-gold);
    z-index: var(--z-modal);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu a {
    font-size: 1.1rem;
    letter-spacing: 0.2em;
    color: var(--text-primary);
  }

  .nav-menu a:hover,
  .nav-menu a.active {
    color: var(--gold-400);
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xxl);
    padding: 100px var(--spacing-sm) var(--spacing-xl);
    text-align: center;
  }

  .hero-text {
    order: 1;
  }

  .hero-visual {
    order: 0;
  }

  .title-main {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .title-sub {
    padding-left: 0;
    text-align: center;
  }

  .title-sub::before {
    display: none;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
    gap: var(--spacing-md);
  }

  .cta-button {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 0.85rem;
  }

  .app-splash-preview {
    width: 220px;
  }

  .about-section,
  .features-section,
  .download-section {
    padding: var(--spacing-3xl) 0;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xxl);
  }

  .about-visual {
    justify-content: center;
  }

  .culture-elements {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
  }

  .element-item {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .features-bento-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .feature-divination,
  .feature-analysis,
  .feature-history,
  .feature-culture,
  .feature-membership {
    grid-area: auto / auto / auto / span 1;
  }
  
  .feature-membership .feature-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .bento-card {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .feature-icon {
    width: 56px;
    height: 56px;
  }

  .feature-icon svg {
    width: 28px;
    height: 28px;
  }

  .feature-title {
    font-size: 1.2rem;
  }

  .download-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xxl);
    text-align: center;
  }

  .download-buttons {
    align-items: center;
  }

  .download-btn {
    width: 100%;
    max-width: 320px;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .footer-links {
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-bottom .copyright {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .footer-bottom .divider {
    display: none;
  }

  .hero-mountains {
    height: 35%;
  }

  .hero-mist {
    bottom: 10%;
  }

  .section-title {
    font-size: clamp(1.6rem, 5vw, 2.4rem);
  }

  .app-stats {
    gap: var(--spacing-lg);
  }

  .stat-number {
    font-size: 1.4rem;
  }

  .stat-label {
    font-size: 0.7rem;
  }

  .qr-code {
    width: 110px;
    height: 110px;
  }
}

/* ===== 小屏手机 ===== */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--spacing-xs);
  }

  .title-main {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .hero-content {
    padding: 90px var(--spacing-xs) var(--spacing-lg);
  }

  .hero-description {
    font-size: 0.9rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
  }

  .cta-button {
    width: 100%;
    max-width: 260px;
    justify-content: center;
  }

  .about-section,
  .features-section,
  .download-section {
    padding: var(--spacing-xxl) 0;
  }

  .section-header {
    margin-bottom: var(--spacing-xxl);
  }

  .about-description {
    font-size: 0.9rem;
    text-align: left;
  }

  .feature-card {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .element-item {
    width: 100%;
    justify-content: center;
  }

  .footer-links {
    gap: var(--spacing-md);
  }

  .footer-links a {
    font-size: 0.8rem;
  }
}

/* ===== 触控设备优化 ===== */
@media (hover: none) and (pointer: coarse) {
  .cta-button {
    padding: var(--spacing-lg) var(--spacing-xl);
  }

  .download-btn {
    padding: var(--spacing-lg) var(--spacing-xl);
  }

  .nav-menu a {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .feature-card:hover {
    transform: none;
    box-shadow: var(--shadow-card);
  }

  .element-item:hover {
    transform: none;
  }

  .download-btn:hover {
    transform: none;
  }
}

/* ===== 横屏手机 ===== */
@media (max-width: 768px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: var(--spacing-xl) 0;
  }

  .hero-content {
    grid-template-columns: 1fr 1fr;
    padding: 80px var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-lg);
  }

  .hero-visual {
    order: 0;
  }

  .hero-text {
    order: 1;
  }

  .app-preview {
    max-width: 180px;
  }

  .hero-mountains {
    height: 30%;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .header,
  .hero-mountains,
  .hero-mist,
  .hero-cta,
  .download-section,
  .preview-decoration,
  .footer-social,
  .nav-toggle {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

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

  .section-title {
    color: #333 !important;
    -webkit-text-fill-color: #333 !important;
  }

  body {
    color: #333;
    background: white;
  }

  .feature-card,
  .element-item {
    border: 1px solid #ccc;
  }
}