/* 基础样式重置 */
@font-face {
    font-family: 'idrop_iconfont';
    src: url('iconfont.woff2?t=1756978514445') format('woff2'),
         url('iconfont.woff?t=1756978514445') format('woff'),
         url('iconfont.ttf?t=1756978514445') format('truetype');
  }
  html{
      font-family:"idrop_iconfont";
  }
  
  .idrop_iconfont{
      font-family:"idrop_iconfont" !important;
      font-size:16px;font-style:normal;
      -webkit-font-smoothing: antialiased;
      -webkit-text-stroke-width: 0.2px;
      -moz-osx-font-smoothing: grayscale;}
  
  * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
  }
  
  body {
      font-family: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height: 1.6;
      color: #333;
      overflow-x: hidden;
  }
  
  .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
  }
  
  /* 导航栏 */
  .navbar {
      position: fixed;
      top: 0;
      width: 100%;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      z-index: 1000;
      padding: 1rem 0;
      border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  }
  
  .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
  }
  
  .nav-logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
  }
  
  .nav-logo h2 {
      color: #6366f1;
      font-weight: 700;
      font-size: 1.5rem;
      margin: 0;
  }
  
  .logo-img {
      height: 40px;
      width: auto;
      transition: transform 0.3s ease;
  }
  
  .logo-img:hover {
      transform: scale(1.05);
  }
  
  .nav-menu {
      display: flex;
      list-style: none;
      gap: 2rem;
  }
  
  .nav-menu a {
      text-decoration: none;
      color: #333;
      font-weight: 500;
      transition: color 0.3s ease;
  }
  
  .nav-menu a:hover {
      color: #6366f1;
  }
  
  /* 英雄区域 */
  .hero {
      padding: 120px 0 80px;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      min-height: 100vh;
      display: flex;
      align-items: center;
  }
  
  .hero-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
  }
  
  .hero-title {
      font-size: 3.5rem;
      font-weight: 700;
      margin-bottom: 1rem;
      line-height: 1.2;
  }
  
  .hero-subtitle {
      font-size: 1.25rem;
      margin-bottom: 2rem;
      opacity: 0.9;
      line-height: 1.6;
  }
  
  .hero-buttons {
      display: flex;
      gap: 1rem;
  }
  
  .btn-primary,
  .btn-secondary {
      padding: 1rem 2rem;
      border: none;
      border-radius: 50px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      text-decoration: none;
  }
  
  .btn-primary {
      background: white;
      color: #6366f1;
  }
  
  .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  }
  
  .btn-secondary {
      background: transparent;
      color: white;
      border: 2px solid white;
  }
  
  .btn-secondary:hover {
      background: white;
      color: #6366f1;
  }
  
  /* 应用截图 */
  .app-screenshot {
      max-width: 400px;
      margin: 0 auto;
      position: relative;
  }
  
  .screenshot-img {
      padding-top: 20px;
      background-color: #f5f5f5;
      width: 100%;
      height: auto;
      border-radius: 20px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  /* 保留原有手机模型样式作为备用 */
  .phone-mockup {
      width: 300px;
      height: 600px;
      background: #333;
      border-radius: 30px;
      padding: 20px;
      margin: 0 auto;
      position: relative;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .phone-mockup:hover {
      transform: translateY(-10px) scale(1.02);
      box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  }
  
  .phone-screen {
      width: 100%;
      height: 100%;
      border-radius: 20px;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
  }
  
  .phone-screen .screenshot-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 20px;
  }
  
  .phone-screen::before {
      content: '';
      position: absolute;
      top: 15px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background: rgba(0, 0, 0, 0.2);
      border-radius: 2px;
      z-index: 10;
  }
  
  /* 功能特色 */
  .features {
      padding: 100px 0;
      background: #f8fafc;
  }
  
  .section-title {
      text-align: center;
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 3rem;
      color: #1e293b;
  }
  
  .features-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 2rem;
      max-width: 800px;
      margin: 0 auto;
  }
  
  .feature-card {
      background: white;
      padding: 2.5rem;
      border-radius: 20px;
      text-align: center;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  }
  
  .feature-icon {
      width: 64px;
      height: 64px;
      margin: 0 auto 1.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 16px;
      transition: all 0.3s ease;
  }
  
  .feature-icon svg {
      width: 48px;
      height: 48px;
  }
  
  /* 功能特色图标颜色主题 */
  .feature-card:nth-child(1) .feature-icon {
      background: linear-gradient(135deg, #fbbf24, #f59e0b);
      color: white;
  }
  
  .feature-card:nth-child(2) .feature-icon {
      background: linear-gradient(135deg, #6366f1, #4f46e5);
      color: white;
  }
  
  .feature-card:nth-child(3) .feature-icon {
      background: linear-gradient(135deg, #10b981, #059669);
      color: white;
  }
  
  .feature-card:nth-child(4) .feature-icon {
      background: linear-gradient(135deg, #f472b6, #ec4899);
      color: white;
  }
  
  /* 功能特色卡片悬停效果 */
  .feature-card:nth-child(1):hover .feature-icon {
      transform: scale(1.1);
      box-shadow: 0 8px 25px rgba(251, 191, 36, 0.4);
  }
  
  .feature-card:nth-child(2):hover .feature-icon {
      transform: scale(1.1);
      box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
  }
  
  .feature-card:nth-child(3):hover .feature-icon {
      transform: scale(1.1);
      box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
  }
  
  .feature-card:nth-child(4):hover .feature-icon {
      transform: scale(1.1);
      box-shadow: 0 8px 25px rgba(244, 114, 182, 0.4);
  }
  
  .feature-card h3 {
      font-size: 1.5rem;
      font-weight: 600;
      margin-bottom: 1rem;
      color: #1e293b;
  }
  
  .feature-card p {
      color: #64748b;
      line-height: 1.6;
  }
  
  /* 隐私保护 */
  .privacy {
      padding: 100px 0;
      background: #1e293b;
      color: white;
  }
  
  .privacy .section-title {
      color: white;
      text-align: center;
      margin-bottom: 3rem;
  }
  
  .privacy-content {
      display: grid;
      grid-template-columns: 1fr;
      gap: 4rem;
      align-items: start;
  }
  
  .privacy-features {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.5rem;
  }
  
  .privacy-item {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      padding: 1.5rem;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 15px;
      border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .privacy-icon {
      width: 40px;
      height: 40px;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: rgba(99, 102, 241, 0.2);
      color: #a5b4fc;
  }
  
  .privacy-icon svg {
      width: 24px;
      height: 24px;
  }
  
  .privacy-item h4 {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 0.5rem;
      color: #f1f5f9;
  }
  
  .privacy-item p {
      color: #cbd5e1;
      line-height: 1.5;
  }
  
  .privacy-visual {
      display: flex;
      justify-content: center;
      align-items: center;
  }
  
  .encryption-demo {
      background: rgba(255, 255, 255, 0.05);
      padding: 2rem;
      border-radius: 20px;
      border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .message-flow {
      display: flex;
      align-items: center;
      gap: 1rem;
      flex-wrap: wrap;
      justify-content: center;
  }
  
  .message-step {
      text-align: center;
      padding: 1rem;
      background: rgba(99, 102, 241, 0.2);
      border-radius: 15px;
      border: 1px solid rgba(99, 102, 241, 0.3);
      min-width: 100px;
  }
  
  .step-icon {
      width: 40px;
      height: 40px;
      margin: 0 auto 0.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: rgba(99, 102, 241, 0.3);
      color: #c7d2fe;
  }
  
  .step-icon svg {
      width: 24px;
      height: 24px;
  }
  
  .message-step p {
      font-size: 0.9rem;
      color: #e2e8f0;
  }
  
  .arrow {
      font-size: 1.5rem;
      color: #6366f1;
      font-weight: bold;
  }
  
  /* 多平台支持 */
  .platforms {
      padding: 100px 0;
      background: white;
  }
  
  .platforms-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2rem;
  }
  
  .platform-card {
      text-align: center;
      padding: 2rem;
      border-radius: 15px;
      transition: transform 0.3s ease;
  }
  
  .platform-card:hover {
      transform: translateY(-5px);
  }
  
  .platform-icon {
      width: 80px;
      height: 80px;
      margin: 0 auto 1.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 20px;
      transition: all 0.3s ease;
  }
  
  .platform-icon svg {
      width: 56px;
      height: 56px;
  }
  
  /* 平台图标颜色主题 */
  .platform-card:nth-child(1) .platform-icon {
      background: linear-gradient(135deg, #3b82f6, #1d4ed8);
      color: white;
  }
  
  .platform-card:nth-child(2) .platform-icon {
      background: linear-gradient(135deg, #10b981, #047857);
      color: white;
  }
  
  .platform-card:nth-child(3) .platform-icon {
      background: linear-gradient(135deg, #8b5cf6, #7c3aed);
      color: white;
  }
  
  /* 平台卡片悬停效果 */
  .platform-card:nth-child(1):hover .platform-icon {
      transform: scale(1.05);
      box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
  }
  
  .platform-card:nth-child(2):hover .platform-icon {
      transform: scale(1.05);
      box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
  }
  
  .platform-card:nth-child(3):hover .platform-icon {
      transform: scale(1.05);
      box-shadow: 0 8px 25px rgba(139, 92, 246, 0.3);
  }
  
  .platform-card h3 {
      font-size: 1.5rem;
      font-weight: 600;
      margin-bottom: 1rem;
      color: #1e293b;
  }
  
  .platform-card p {
      color: #64748b;
  }
  
  /* 下载区域 */
  .download {
      padding: 100px 0;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      text-align: center;
  }
  
  .download .section-title {
      color: white;
      margin-bottom: 4rem;
  }
  
  .download-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
      max-width: 1000px;
      margin: 0 auto;
  }
  
  .download-item {
      position: relative;
  }
  
  .download-btn {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      padding: 2rem;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 20px;
      text-decoration: none;
      color: white;
      transition: all 0.3s ease;
      backdrop-filter: blur(10px);
      width: 100%;
      box-sizing: border-box;
  }
  
  .download-btn:hover {
      background: rgba(255, 255, 255, 0.2);
      transform: translateY(-3px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  }
  
  .btn-icon-wrapper {
      flex-shrink: 0;
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.2);
      border-radius: 12px;
  }
  
  .btn-icon {
    width: 24px;
    height: 24px;
}

/* 图标字体样式 */
.btn-icon.idrop_iconfont {
    font-size: 24px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;

    border-radius: 4px;
    min-width: 24px;
    min-height: 24px;
}
  
  .btn-content {
      text-align: left;
      flex: 1;
  }
  
  .btn-title {
      font-weight: 600;
      font-size: 1.2rem;
      margin-bottom: 0.25rem;
  }
  
  .btn-subtitle {
      font-size: 0.9rem;
      opacity: 0.8;
  }
  
  /* 二维码提示框 */
  .qr-tooltip {
      position: absolute;
      top: -120px;
      left: 50%;
      transform: translateX(-50%);
      background: white;
      border-radius: 12px;
      padding: 1rem;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
      z-index: 1000;
      pointer-events: none;
  }
  
  .qr-tooltip::after {
      content: '';
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%);
      border: 8px solid transparent;
      border-top-color: white;
  }
  
  .qr-code {
      width: 100px;
      height: 100px;
      background: #f0f0f0;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #666;
      font-size: 0.8rem;
      text-align: center;
      line-height: 1.2;
  }
  
  .qr-placeholder {
      padding: 0.5rem;
  }
  
  /* 特定平台的颜色主题 */
  .download-btn.web:hover {
      background: rgba(59, 130, 246, 0.2);
  }
  
  .download-btn.wechat:hover {
      background: rgba(34, 197, 94, 0.2);
  }
  
  .download-btn.alipay:hover {
      background: rgba(59, 130, 246, 0.2);
  }
  
  .download-btn.ios:hover {
      background: rgba(156, 163, 175, 0.2);
  }
  
  .download-btn.android:hover {
      background: rgba(34, 197, 94, 0.2);
  }
  
  /* PC端悬停显示二维码 */
  @media (min-width: 769px) {
      .download-item:hover .qr-tooltip {
          opacity: 1;
          visibility: visible;
          top: -130px;
      }
  
      /* 悬停时的平滑过渡 */
      .qr-tooltip {
          transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      }
  }
  
  /* 页脚 */
  .footer {
      background: #1e293b;
      color: white;
      padding: 3rem 0 2rem;
  }
  
  .footer-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
  }
  
  .footer-info {
      flex: 1;
  }
  
  .copyright {
      font-size: 0.9rem;
      margin-bottom: 0.5rem;
      color: #e2e8f0;
  }
  
  .icp {
      font-size: 0.8rem;
      color: #94a3b8;
  }
  
  .icp a {
      color: #94a3b8;
      text-decoration: none;
      transition: color 0.3s ease;
  }
  
  .icp a:hover {
      color: #e2e8f0;
  }
  
  .footer-links {
      display: flex;
      gap: 1.5rem;
  }
  
  .footer-links a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.3s ease;
  }
  
  .footer-links a:hover {
      color: #e2e8f0;
  }
  
  /* 响应式设计 */
  @media (max-width: 768px) {
      .hero-container {
          grid-template-columns: 1fr;
          text-align: center;
          gap: 2rem;
      }
  
      .hero-title {
          font-size: 2.5rem;
      }
  
      .nav-menu {
          display: none;
      }
  
      .phone-mockup {
          width: 250px;
          height: 500px;
      }
  
      .app-screenshot {
          max-width: 300px;
      }
  
      .logo-img {
          height: 32px;
      }
  
      .nav-logo h2 {
          font-size: 1.2rem;
      }
  
      .nav-logo {
          gap: 0.5rem;
      }
  
      .features-grid,
      .platforms-grid {
          grid-template-columns: 1fr;
          max-width: none;
      }
  
      .download-grid {
          grid-template-columns: 1fr;
          gap: 1.5rem;
      }
  
      .download-btn {
          padding: 1.5rem;
          gap: 1rem;
      }
  
      .btn-icon-wrapper {
          width: 40px;
          height: 40px;
      }
  
    .btn-icon {
        width: 20px;
        height: 20px;
    }
    
    .btn-icon.idrop_iconfont {
        font-size: 20px;
    }
  
      .footer-content {
          flex-direction: column;
          text-align: center;
          gap: 1.5rem;
      }
  
      .footer-links {
          justify-content: center;
      }
  
      .privacy-content {
          grid-template-columns: 1fr;
          gap: 2rem;
      }
  
      .message-flow {
          flex-direction: column;
          gap: 0.5rem;
      }
  
      .arrow {
          transform: rotate(90deg);
      }
  
      .privacy-features {
          grid-template-columns: 1fr;
          gap: 1rem;
      }
  
      .privacy-item {
          padding: 1rem;
      }
  }
  
  /* 动画效果 */
  @keyframes fadeInUp {
      from {
          opacity: 0;
          transform: translateY(30px);
      }
  
      to {
          opacity: 1;
          transform: translateY(0);
      }
  }
  
  .feature-card,
  .platform-card {
      animation: fadeInUp 0.6s ease forwards;
  }
  
  .feature-card:nth-child(2) {
      animation-delay: 0.2s;
  }
  
  .feature-card:nth-child(3) {
      animation-delay: 0.4s;
  }
  
  /* 会员页
  面样式 */
  .membership-page {
      padding-top: 80px;
  }
  
  .membership-hero {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      padding: 80px 0;
      text-align: center;
  }
  
  .membership-title {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 1rem;
  }
  
  .membership-subtitle {
      font-size: 1.25rem;
      opacity: 0.9;
      max-width: 600px;
      margin: 0 auto;
  }
  
  .membership-plans {
      padding: 80px 0;
      background: #f8fafc;
  }
  
  
  .plans-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      max-width: 1200px;
      margin: 0 auto;
  }
  
  .plan-card {
      background: white;
      border-radius: 20px;
      padding: 2rem;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      transition: all 0.3s ease;
      position: relative;
      border: 2px solid transparent;
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 600px;
      cursor: pointer;
  }
  
  .plan-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  }
  
  .plan-card.featured {
      border-color: #6366f1;
      transform: scale(1.05);
  }
  
  .plan-card.featured:hover {
      transform: scale(1.05) translateY(-5px);
  }
  
  .plan-badge {
      position: absolute;
      top: -10px;
      left: 50%;
      transform: translateX(-50%);
      background: #6366f1;
      color: white;
      padding: 0.5rem 1rem;
      border-radius: 20px;
      font-size: 0.875rem;
      font-weight: 600;
  }
  
  .plan-header {
      text-align: center;
      margin-bottom: 2rem;
      flex-shrink: 0;
  }
  
  .plan-name {
      font-size: 1.5rem;
      font-weight: 700;
      color: #1f2937;
      margin-bottom: 1rem;
  }
  
  .plan-price {
      margin-bottom: 1rem;
  }
  
  .original-price {
      font-size: 1rem;
      color: #9ca3af;
      text-decoration: line-through;
      margin-right: 0.5rem;
  }
  
  .current-price {
      font-size: 2.5rem;
      font-weight: 700;
      color: #6366f1;
  }
  
  .price-unit {
      font-size: 1rem;
      color: #6b7280;
  }
  
  .plan-description {
      color: #6b7280;
      font-size: 0.875rem;
  }
  
  .plan-features {
      margin-bottom: 2rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
  }
  
  .feature-item {
      display: flex;
      justify-content: space-between;
      flex-direction: row;
      gap: 0.75rem;
      margin-bottom: 1rem;
      font-size: 0.875rem;
      width: 80%;
      margin: 0.5rem auto;
  }
  
  .feature-item .feature-icon {
      width: 20px;
      height: 20px;
      color: #10b981;
      margin: 0;
  }
  
  .plan-btn {
      width: 100%;
      padding: 1rem;
      border: none;
      border-radius: 50px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      background: #f3f4f6;
      color: #374151;
      flex-shrink: 0;
      margin-top: auto;
  }
  
  .plan-btn:hover {
      background: #e5e7eb;
      transform: translateY(-2px);
  }
  
  .plan-btn.featured {
      background: #6366f1;
      color: white;
  }
  
  .plan-btn.featured:hover {
      background: #5856eb;
  }
  
  .plan-card.selected {
      background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(255, 255, 255, 0.95) 100%);
      border: 2px solid #6366f1;
      transform: scale(1.05);
      box-shadow: 0 30px 60px rgba(99, 102, 241, 0.3),
          0 0 0 1px rgba(99, 102, 241, 0.2),
          inset 0 1px 0 rgba(255, 255, 255, 0.3);
      cursor: pointer;
  }
  
  .plan-card.selected::before {
      opacity: 1;
      background: linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4, #10b981);
      height: 6px;
  }
  
  .plan-card.selected:hover {
      transform: scale(1.05) translateY(-10px);
      box-shadow: 0 40px 80px rgba(99, 102, 241, 0.4),
          0 0 0 1px rgba(99, 102, 241, 0.4),
          inset 0 1px 0 rgba(255, 255, 255, 0.4);
  }
  
  .plan-btn.selected {
      background: linear-gradient(135deg, #10b981 0%, #059669 100%);
      color: white;
      border-color: rgba(255, 255, 255, 0.2);
      box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
  }
  
  .plan-btn.selected:hover {
      background: linear-gradient(135deg, #059669 0%, #047857 100%);
      transform: translateY(-4px);
      box-shadow: 0 15px 35px rgba(16, 185, 129, 0.5);
  }
  
  .membership-comparison {
      padding: 80px 0;
      background: white;
  }
  
  .comparison-table {
      overflow-x: auto;
      margin-top: 2rem;
  }
  
  .comparison-table table {
      width: 100%;
      border-collapse: collapse;
      background: white;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }
  
  .comparison-table th,
  .comparison-table td {
      padding: 1rem;
      text-align: center;
      border-bottom: 1px solid #e5e7eb;
  }
  
  .comparison-table th {
      background: #f8fafc;
      font-weight: 600;
      color: #374151;
  }
  
  .comparison-table td:first-child,
  .comparison-table th:first-child {
      text-align: left;
      font-weight: 600;
  }
  
  .comparison-table tr:hover {
      background: #f9fafb;
  }
  
  /* 响应式设计 */
  @media (max-width: 1024px) {
      .plans-grid {
          max-width: 900px;
          gap: 1.5rem;
      }
  
      .plan-card {
          padding: 1.5rem;
          min-height: 550px;
      }
  }
  
  @media (max-width: 768px) {
      .membership-title {
          font-size: 2rem;
      }
  
      .membership-subtitle {
          font-size: 1rem;
      }
  
      .plans-grid {
          grid-template-columns: 1fr;
          gap: 1.5rem;
          max-width: 400px;
      }
  
      .plan-card {
          min-height: auto;
      }
  
      .plan-card.featured {
          transform: none;
      }
  
      .plan-card.featured:hover {
          transform: translateY(-5px);
      }
  
      .comparison-table {
          font-size: 0.875rem;
      }
  
      .comparison-table th,
      .comparison-table td {
          padding: 0.75rem 0.5rem;
      }
  }