/* 基础样式 - 确保在所有环境中正常工作 */
    :root {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
      line-height: 1.5;
      font-weight: 400;
      font-synthesis: none;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    
    /* 全局样式重置 */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      color: #333;
      overflow-x: hidden;
      /* 确保基础背景色 */
      background-color: #f0f4ff;
    }
    
    /* 容器样式 */
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1rem;
    }
    
    /* 布局工具类 */
    .flex {
      display: flex;
    }
    
    .grid {
      display: grid;
    }
    
    .items-center {
      align-items: center;
    }
    
    .justify-between {
      justify-content: space-between;
    }
    
    .justify-center {
      justify-content: center;
    }
    
    .text-center {
      text-align: center;
    }
    
    /* 间距类 */
    .mb-4 {
      margin-bottom: 1rem;
    }
    
    .mb-6 {
      margin-bottom: 1.5rem;
    }
    
    .mb-8 {
      margin-bottom: 2rem;
    }
    
    .p-4 {
      padding: 1rem;
    }
    
    .p-6 {
      padding: 1.5rem;
    }
    
    .p-8 {
      padding: 2rem;
    }
    
    /* 圆角类 */
    .rounded-xl {
      border-radius: 0.75rem;
    }
    
    .rounded-2xl {
      border-radius: 1rem;
    }
    
    .rounded-3xl {
      border-radius: 1.5rem;
    }
    
    /* 阴影类 */
    .shadow-md {
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    }
    
    .shadow-lg {
      box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    }
    
    .shadow-xl {
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    
    .shadow-2xl {
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    }
    
    /* 过渡效果 */
    .transition-all {
      transition: all 0.3s ease;
    }
    
    /* 颜色类 */
    .text-gray-600 {
      color: #4B5563;
    }
    
    .text-gray-700 {
      color: #374151;
    }
    
    .text-gray-800 {
      color: #1F2937;
    }
    
    .text-white {
      color: #FFFFFF;
    }
    
    .bg-white {
      background-color: #FFFFFF;
    }
    
    .bg-blue-50 {
      background-color: #EFF6FF;
    }
    
    .bg-indigo-50 {
      background-color: #EEF2FF;
    }
    
    .bg-blue-100 {
      background-color: #DBEAFE;
    }
    
    .bg-green-100 {
      background-color: #D1FAE5;
    }
    
    .bg-yellow-100 {
      background-color: #FEF3C7;
    }
    
    .bg-purple-100 {
      background-color: #EDE9FE;
    }
    
    .bg-indigo-100 {
      background-color: #E0E7FF;
    }
    
    .bg-pink-100 {
      background-color: #FCE7F3;
    }
    
    .bg-teal-100 {
      background-color: #CCFBF1;
    }
    
    .bg-amber-100 {
      background-color: #FEF3C7;
    }
    
    .bg-blue-500 {
      background-color: #3B82F6;
    }
    
    .bg-blue-600 {
      background-color: #2563EB;
    }
    
    .bg-blue-700 {
      background-color: #1D4ED8;
    }
    
    .bg-green-500 {
      background-color: #10B981;
    }
    
    .bg-green-600 {
      background-color: #059669;
    }
    
    .bg-green-700 {
      background-color: #047857;
    }
    
    .bg-orange-500 {
      background-color: #F97316;
    }
    
    .bg-orange-600 {
      background-color: #EA580C;
    }
    
    .bg-purple-600 {
      background-color: #8B5CF6;
    }
    
    .bg-pink-600 {
      background-color: #DB2777;
    }
    
    .bg-teal-600 {
      background-color: #14B8A6;
    }
    
    .bg-amber-600 {
      background-color: #D97706;
    }
    
    .text-blue-600 {
      color: #2563EB;
    }
    
    .text-green-600 {
      color: #059669;
    }
    
    .text-orange-500 {
      color: #F97316;
    }
    
    .text-purple-600 {
      color: #8B5CF6;
    }
    
    .text-pink-600 {
      color: #DB2777;
    }
    
    .text-teal-600 {
      color: #14B8A6;
    }
    
    .text-amber-600 {
      color: #D97706;
    }
    
    .text-amber-400 {
      color: #FBBF24;
    }
    
    .text-red-500 {
      color: #EF4444;
    }
    
    .text-green-500 {
      color: #10B981;
    }
    
    /* 字体粗细 */
    .font-bold {
      font-weight: 700;
    }
    
    .font-semibold {
      font-weight: 600;
    }
    
    .font-medium {
      font-weight: 500;
    }
    
    /* 字体大小 */
    .text-sm {
      font-size: 0.875rem;
    }
    
    .text-base {
      font-size: 1rem;
    }
    
    .text-lg {
      font-size: 1.125rem;
    }
    
    .text-xl {
      font-size: 1.25rem;
    }
    
    .text-2xl {
      font-size: 1.5rem;
    }
    
    .text-3xl {311|       font-size: 1.875rem;
    }
    
    .text-4xl {
      font-size: 2.25rem;
    }
    
    .text-5xl {
      font-size: 3rem;
    }
    
    .text-6xl {
      font-size: 3.75rem;
    }
    
    /* 装饰类 */
    .line-through {
      text-decoration: line-through;
    }
    
    /* 边框类 */
    .border {
      border-width: 1px;
    }
    
    .border-gray-100 {
      border-color: #F3F4F6;
    }
    
    .border-gray-300 {
      border-color: #D1D5DB;
    }
    
    .border-gray-800 {
      border-color: #1F2937;
    }
    
    /* 透明度 */
    .opacity-90 {
      opacity: 0.9;
    }
    
    /* 渐变背景 - 简化版确保兼容 */
    .bg-gradient-to-br {
      background-image: linear-gradient(to bottom right, #EFF6FF, #EEF2FF);
    }
    
    /* 具体渐变样式 */
    .bg-gradient-blue {
      background-image: linear-gradient(to bottom right, #3B82F6, #2563EB);
    }
    
    .bg-gradient-green {
      background-image: linear-gradient(to bottom right, #10B981, #059669);
    }
    
    .bg-gradient-indigo {
      background-image: linear-gradient(to bottom right, #2563EB, #4338CA);
    }
    
    /* 悬停效果 - 简化为标准CSS语法 */
    .hover-bg-blue-700:hover {
      background-color: #1D4ED8;
    }
    
    .hover-bg-green-700:hover {
      background-color: #047857;
    }
    
    .hover-bg-orange-600:hover {
      background-color: #EA580C;
    }
    
    .hover-bg-gray-100:hover {
      background-color: #F3F4F6;
    }
    
    .hover-text-blue-600:hover {
      color: #2563EB;
    }
    
    .hover-text-white:hover {
      color: #FFFFFF;
    }
    
    /* 暗色背景 */
    .bg-gray-900 {
      background-color: #111827;
    }
    
    .text-gray-300 {
      color: #D1D5DB;
    }
    
    .text-gray-400 {
      color: #9CA3AF;
    }
    
    .text-gray-500 {
      color: #6B7280;
    }
    
    /* 内边距 */
    .py-1 {
      padding-top: 0.25rem;
      padding-bottom: 0.25rem;
    }
    
    .py-2 {
      padding-top: 0.5rem;
      padding-bottom: 0.5rem;
    }
    
    .py-3 {
      padding-top: 0.75rem;
      padding-bottom: 0.75rem;
    }
    
    .py-4 {
      padding-top: 1rem;
      padding-bottom: 1rem;
    }
    
    .py-6 {
      padding-top: 1.5rem;
      padding-bottom: 1.5rem;
    }
    
    .py-8 {
      padding-top: 2rem;
      padding-bottom: 2rem;
    }
    
    .py-10 {
      padding-top: 2.5rem;
      padding-bottom: 2.5rem;
    }
    
    .py-12 {
      padding-top: 3rem;
      padding-bottom: 3rem;
    }
    
    .py-16 {
      padding-top: 4rem;
      padding-bottom: 4rem;
    }
    
    .py-20 {
      padding-top: 5rem;
      padding-bottom: 5rem;
    }
    
    .py-24 {
      padding-top: 6rem;
      padding-bottom: 6rem;
    }
    
    /* 外边距 */
    .px-2 {
      padding-left: 0.5rem;
      padding-right: 0.5rem;
    }
    
    .px-3 {
      padding-left: 0.75rem;
      padding-right: 0.75rem;
    }
    
    .px-4 {
      padding-left: 1rem;
      padding-right: 1rem;
    }
    
    .px-6 {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    
    .px-8 {
      padding-left: 2rem;
      padding-right: 2rem;
    }
    
    /* 间距 */
    .space-x-2 > * + * {
      margin-left: 0.5rem;
    }
    
    .space-x-3 > * + * {
      margin-left: 0.75rem;
    }
    
    .space-x-4 > * + * {
      margin-left: 1rem;
    }
    
    .space-x-6 > * + * {
      margin-left: 1.5rem;
    }
    
    .space-x-8 > * + * {
      margin-left: 2rem;
    }
    
    .space-y-2 > * + * {
      margin-top: 0.5rem;
    }
    
    .space-y-3 > * + * {
      margin-top: 0.75rem;
    }
    
    .space-y-4 > * + * {
      margin-top: 1rem;
    }
    
    .space-y-6 > * + * {
      margin-top: 1.5rem;
    }
    
    .space-y-8 > * + * {
      margin-top: 2rem;
    }
    
    /* 尺寸类 */
    .w-full {
      width: 100%;
    }
    
    .h-full {
      height: 100%;
    }
    
    .w-12 {
      width: 3rem;
    }
    
    .h-12 {
      height: 3rem;
    }
    
    .w-32 {
      width: 8rem;
    }
    
    .h-32 {
      height: 8rem;
    }
    
    .w-48 {
      width: 12rem;
    }
    
    .h-48 {
      height: 12rem;
    }
    
    .h-64 {
      height: 16rem;
    }
    
    /* 最大宽度 */
    .max-w-2xl {
      max-width: 42rem;
    }
    
    .max-w-3xl {
      max-width: 48rem;
    }
    
    .max-w-4xl {
      max-width: 56rem;
    }
    
    .max-w-5xl {
      max-width: 64rem;
    }
    
    .max-w-md {
      max-width: 28rem;
    }
    
    /* 宽高比 */
    .aspect-video {
      aspect-ratio: 16/9;
    }
    
    /* Flex布局 */
    .flex-col {
      flex-direction: column;
    }
    
    .flex-wrap {
      flex-wrap: wrap;
    }
    
    .items-start {
      align-items: flex-start;
    }
    
    .justify-start {
      justify-content: flex-start;
    }
    
    /* 圆角 */
    .rounded-full {
      border-radius: 9999px;
    }
    
    .rounded-lg {
      border-radius: 0.5rem;
    }
    
    .rounded-md {
      border-radius: 0.375rem;
    }
    
    /* 定位 */
    .relative {
      position: relative;
    }
    
    .absolute {
      position: absolute;
    }
    
    .top-0 {
      top: 0;
    }
    
    .right-0 {
      right: 0;
    }
    
    .bottom-0 {
      bottom: 0;
    }
    
    .left-0 {
      left: 0;
    }
    
    .top-4 {
      top: 1rem;
    }
    
    .right-4 {
      right: 1rem;
    }
    
    .left-1-2 {
      left: 50%;
    }
    
    /* 变换 */
    .transform {
      transform: translateX(-50%) translateY(-50%) rotate(0deg) skewX(0deg) skewY(0deg) scaleX(1) scaleY(1);
    }
    
    .translate-x-1-2 {
      transform: translateX(-50%);
    }
    
    .translate-y-1-2 {
      transform: translateY(-50%);
    }
    
    /* z-index */
    .z-10 {
      z-index: 10;
    }
    
    .z-40 {
      z-index: 40;
    }
    
    .z-50 {
      z-index: 50;
    }
    
    .z-10-negative {
      z-index: -10;
    }
    
    /* 溢出控制 */
    .overflow-hidden {
      overflow: hidden;
    }
    
    /* 对象适配 */
    .object-contain {
      object-fit: contain;
    }
    
    .object-cover {
      object-fit: cover;
    }
    
    /* 定位填充 */
    .inset-0 {
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
    }
    
    /* 透明度 */
    .opacity-20 {
      opacity: 0.2;
    }
    
    .opacity-50 {
      opacity: 0.5;
    }
    
    .opacity-70 {
      opacity: 0.7;
    }
    
    /* 毛玻璃效果 - 简化处理 */
    .backdrop-blur-md {
      backdrop-filter: blur(12px);
      /* 为不支持backdrop-filter的浏览器提供备选方案 */
      background-color: rgba(255, 255, 255, 0.8);
    }
    
    /* 半透明背景 */
    .bg-black-50 {
      background-color: rgba(0, 0, 0, 0.5);
    }
    
    .bg-black-70 {
      background-color: rgba(0, 0, 0, 0.7);
    }
    
    .bg-white-20 {
      background-color: rgba(255, 255, 255, 0.2);
    }
    
    /* 显示控制 */
    .hidden {
      display: none;
    }
    
    .block {
      display: block;
    }
    
    .inline-block {
      display: inline-block;
    }
    
    /* 动画类 */
    .animate-fade-in {
      animation: fadeIn 0.6s ease forwards;
    }
    
    .animate-slide-up {
      animation: slideUp 0.6s ease forwards;
    }
    
    .animate-slide-down {
      animation: slideDown 0.6s ease forwards;
    }
    
    .animate-slide-left {
      animation: slideLeft 0.6s ease forwards;
    }
    
    .animate-slide-right {
      animation: slideRight 0.6s ease forwards;
    }
    
    .animate-scale {
      animation: scale 0.6s ease forwards;
    }
    
    /* 旋转 */
    .rotate-1 {
      transform: rotate(1deg);
    }
    
    .hover-rotate-1:hover {
      transform: rotate(-1deg);
    }
    
    .hover-rotate-0:hover {
      transform: rotate(0deg);
    }
    
    /* 上移效果 */
    .hover-translate-y-5:hover {
      transform: translateY(-1.25rem);
    }
    
    /* 上边框 */
    .border-t {
      border-top-width: 1px;
    }
    
    /* 外边距 */
    .mt-10 {
      margin-top: 2.5rem;
    }
    
    .mt-12 {
      margin-top: 3rem;
    }
    
    .mt-16 {
      margin-top: 4rem;
    }
    
    .mb-10 {
      margin-bottom: 2.5rem;
    }
    
    .mb-12 {
      margin-bottom: 3rem;
    }
    
    .mb-16 {
      margin-bottom: 4rem;
    }
    
    /* 网格间距 */
    .gap-2 {
      gap: 0.5rem;
    }
    
    .gap-3 {
      gap: 0.75rem;
    }
    
    .gap-4 {
      gap: 1rem;
    }
    
    .gap-6 {
      gap: 1.5rem;
    }
    
    .gap-8 {
      gap: 2rem;
    }
    
    /* 动画定义 */
    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }
    
    @keyframes slideUp {
      from { transform: translateY(30px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }
    
    @keyframes slideDown {
      from { transform: translateY(-30px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }
    
    @keyframes slideLeft {
      from { transform: translateX(-30px); opacity: 0; }
      to { transform: translateX(0); opacity: 1; }
    }
    
    @keyframes slideRight {
      from { transform: translateX(30px); opacity: 0; }
      to { transform: translateX(0); opacity: 1; }
    }
    
    @keyframes scale {
      from { transform: scale(0.9); opacity: 0; }
      to { transform: scale(1); opacity: 1; }
    }
    
    /* 响应式布局 */
    @media (min-width: 640px) {
      .sm-flex-row {
        flex-direction: row;
      }
      
      .sm-grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      
      .sm-px-6 {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
      }
      
      .sm-mb-0 {
        margin-bottom: 0;
      }
      
      .sm-text-left {
        text-align: left;
      }
      
      .sm-block {
        display: block;
      }
      
      .sm-hidden {
        display: none;
      }
    }
    
    @media (min-width: 768px) {
      .md-grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      
      .md-grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
      
      .md-grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
      }
      
      .md-gap-6 {
        gap: 1.5rem;
      }
      
      .md-gap-8 {
        gap: 2rem;
      }
      
      .md-px-6 {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
      }
      
      .md-p-8 {
        padding: 2rem;
      }
      
      .md-p-12 {
        padding: 3rem;
      }
    }
    
    @media (min-width: 1024px) {
      .lg-grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      
      .lg-grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
      }
      
      .lg-grid-cols-5 {
        grid-template-columns: repeat(5, minmax(0, 1fr));
      }
      
      .lg-px-8 {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }
    
    @media (min-width: 1280px) {
      .xl-px-8 {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }
    
    /* 滚动条样式 */
    ::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }
    
    ::-webkit-scrollbar-track {
      background: #f1f1f1;
    }
    
    ::-webkit-scrollbar-thumb {
      background: #c1c1c1;
      border-radius: 4px;
    }
    
    ::-webkit-scrollbar-thumb:hover {
      background: #a1a1a1;
    }
    
    /* 图片阴影效果 */
    .img-shadow {
      filter: drop-shadow(0 10px 8px rgba(0, 0, 0, 0.04)) drop-shadow(0 4px 3px rgba(0, 0, 0, 0.1));
    }
    
    /* 按钮悬停效果 */
    .btn-hover {
      transition: all 0.3s ease;
    }
    
    .btn-hover:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    }
    
    .btn-hover:active {
      transform: translateY(0);
    }
    
    /* 导航栏滚动效果 */
    .navbar {
      transition: all 0.3s ease;
    }
    
    .navbar.scrolled {
      background-color: rgba(255, 255, 255, 0.9);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
      padding-top: 0.5rem;
      padding-bottom: 0.5rem;
    }
    
    .navbar:not(.scrolled) {
      background-color: transparent;
      padding-top: 1rem;
      padding-bottom: 1rem;
    }
    
    /* 固定底部栏 */
    .fixed-bottom {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
    }
    
    /* 模态框样式 */
    .modal {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: rgba(0, 0, 0, 0.7);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 50;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease;
    }
    
    .modal.active {
      opacity: 1;
      visibility: visible;
    }
    
    .modal-content {
      background-color: white;
      border-radius: 0.75rem;
      max-width: 90%;
      width: 100%;
      max-height: 90vh;
      overflow-y: auto;
      transform: scale(0.9);
      transition: transform 0.3s ease;
    }
    
    .modal.active .modal-content {
      transform: scale(1);
    }
    
    /* 防止内容被底部栏遮挡 */
    body {
      padding-bottom: 6rem;
    }
    
    /* 悬停阴影效果 */
    .hover-shadow-lg:hover {
      box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    }
    
    .hover-shadow-xl:hover {
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    
    /* 渐变文本支持 */
    .bg-clip-text {
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }