/* Aurora Fin 渐变极光金融科技平台样式表 */

  :root {
    --primary-gradient: linear-gradient(135deg, #4568DC, #B06AB3);
    --secondary-gradient: linear-gradient(135deg, #8E2DE2, #4A00E0);
    --cta-gradient: radial-gradient(circle, #6D2FBF, #4568DC);
    --hover-gradient: linear-gradient(135deg, #FF9A9E, #FAD0C4);
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-primary: #8E2DE2;
    --color-secondary: #4A00E0;
    --color-accent: #6D2FBF;
    --color-hover: #FF9A9E;
    --max-width: 1200px;
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-white);
    background: var(--primary-gradient);
    background-size: cover;
    animation: aurora-move 15s linear infinite;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  @keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  header {
    text-align: center;
    padding: 60px 20px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
  }

  header h1 {
    font-size: 3em;
    font-weight: bold;
    margin-bottom: 20px;
    animation: glow 3s ease-in-out infinite;
  }

  @keyframes glow {
    0% { text-shadow: 0 0 10px var(--color-primary); }
    50% { text-shadow: 0 0 20px var(--color-secondary); }
    100% { text-shadow: 0 0 10px var(--color-primary); }
  }

  .cta-button {
    background: var(--cta-gradient);
    color: var(--color-white);
    border: none;
    padding: 15px 30px;
    font-size: 1.2em;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0px 4px 10px rgba(77, 47, 188, 0.5);
    transition: background 0.3s ease, transform 0.3s ease;
  }

  .cta-button:hover {
    background: var(--hover-gradient);
    transform: scale(1.05);
  }

  main {
    flex: 1;
    padding: 40px 20px;
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
  }

  section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 10px;
  }

  section h2, section h3 {
    font-family: var(--font-secondary);
    color: var(--color-white);
    margin-bottom: 15px;
  }

  section p {
    margin-bottom: 15px;
    font-size: 1em;
    color: var(--color-white);
  }

  pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    color: #FFD700;
    margin-bottom: 15px;
  }

  code {
    font-family: 'Courier New', Courier, monospace;
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 4px;
    border-radius: 3px;
  }

  img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 15px;
  }

  footer {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    font-size: 0.9em;
  }

  a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.3s ease;
  }

  a:hover {
    color: var(--color-hover);
  }

  /* 数据可视化图表样式 */
  .chart {
    stroke: var(--color-primary);
    fill: rgba(142, 45, 226, 0.3);
  }

  /* AI建议卡片样式 */
  .ai-card {
    border: 2px solid var(--color-accent);
    border-radius: 10px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
  }

  /* 响应式设计 */
  @media (max-width: 1440px) {
    header h1 {
      font-size: 2.5em;
    }
    .cta-button {
      font-size: 1em;
      padding: 12px 25px;
    }
  }

  @media (max-width: 1200px) {
    main {
      padding: 30px 15px;
    }
  }

  @media (max-width: 1024px) {
    header h1 {
      font-size: 2em;
    }
    .cta-button {
      font-size: 1em;
      padding: 10px 20px;
    }
  }

  @media (max-width: 768px) {
    main {
      grid-template-columns: 1fr;
      padding: 20px 10px;
    }
    header h1 {
      font-size: 1.8em;
    }
  }

  @media (max-width: 480px) {
    header h1 {
      font-size: 1.5em;
    }
    .cta-button {
      width: 100%;
      padding: 10px 0;
    }
  }

  @media (max-width: 320px) {
    header h1 {
      font-size: 1.2em;
    }
    section {
      padding: 15px;
    }
  }