/* 基础样式重置 */
    /* * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
    } */

    /* 颜色变量 */
    :root {
      --primary: #00a032;
      --primary-light: rgba(67, 97, 238, 0.9);
      --primary-transparent: rgba(67, 97, 238, 0.05);
      --secondary: #2f4858;
      --secondary-transparent: rgba(247, 37, 133, 0.05);
      --neutral: #f8f9fa;
      --gray-100: #f1f3f5;
      --gray-200: #e9ecef;
      --gray-400: #ced4da;
      --gray-600: #868e96;
      --gray-800: #343a40;
      --white: #ffffff;
    }

    /* 全局样式 */
    /* body {
      background: linear-gradient(135deg, var(--neutral) 0%, var(--white) 100%);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 20px;
      line-height: 1.5;
    } */

    /* .container {
      max-width: 800px;
      width: 100%;
      text-align: center;
      position: relative;
      z-index: 10;
    } */

    /* 404数字样式 */
    .error-number {
      position: relative;
      margin-bottom: 30px;
    }

    .error-number h2 {
      font-size: clamp(8rem, 25vw, 16rem);
      font-weight: 800;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      line-height: 1;
      animation: float 6s ease-in-out infinite;
    }

    .decor {
      position: absolute;
      color: var(--primary-transparent);
      font-size: 3rem;
    }

    .decor-left {
      top: -20px;
      left: -40px;
      animation: pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }

    .decor-right {
      bottom: -10px;
      right: -20px;
      color: var(--secondary-transparent);
      animation: pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
      animation-delay: 1s;
    }

    /* 标题和描述 */
    .title {
      /* font-size: clamp(1.5rem, 5vw, 2.5rem); */
      font-size: 2rem;
      font-weight: 700;
      /* color: var(--gray-800); */
      color: #2f4858;
      margin-bottom: 20px;
      text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .description {
      color: var(--gray-600);
      /* font-size: clamp(1rem, 3vw, 1.25rem); */
      font-size: 1rem;
      max-width: 500px;
      margin: 0 auto 40px;
    }

    /* 按钮样式 */
    .button-group {
      display: flex;
      flex-direction: column;
      gap: 15px;
      margin-bottom: 50px;
    }

    @media (min-width: 640px) {
      .button-group {
        flex-direction: row;
        justify-content: center;
        gap: 20px;
      }
    }

   
    /* 背景装饰 */
    .bg-decor {
      position: fixed;
      border-radius: 50%;
      filter: blur(80px);
      z-index: 1;
    }

    .bg-decor-primary {
      top: -100px;
      right: -100px;
      width: 300px;
      height: 300px;
      background-color: var(--primary-transparent);
    }

    .bg-decor-secondary {
      bottom: -150px;
      left: -150px;
      width: 400px;
      height: 400px;
      background-color: var(--secondary-transparent);
    }

    /* 动画定义 */
    @keyframes float {
      0% { transform: translateY(0px); }
      50% { transform: translateY(-20px); }
      100% { transform: translateY(0px); }
    }

    @keyframes pulse {
      0%, 100% { opacity: 0.6; }
      50% { opacity: 1; }
    }