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

    body {
      font-family: Arial, sans-serif;
      background-color: #f2f4f7;
      color: #222;
    }

    .page-wrapper {
      width: min(1000px, calc(100% - 40px));
      min-height: 100vh;
      margin: 0 auto;
      background-color: #FEFEFE;
      box-shadow: 0 0 20px rgba(0, 0, 0, 0.08);
    }

    header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 80px;
      padding: 0 32px;
      border-bottom: 1px solid #e5e7eb;
    }

    .logo {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100px;
      height: 100px;
      border: 0px dashed #aab2bd;
      color: #77808c;
      font-size: 14px;
      font-weight: bold;
    }

    nav ul {
      display: flex;
      gap: 28px;
      list-style: none;
    }

    nav a {
      color: #303133;
      font-weight: 600;
      text-decoration: none;
      transition: color 0.2s ease;
    }

    nav a:hover,
    nav a:focus {
      color: #767779;
    /* war 1769aa*/
    }

    main {
      padding: 90px 32px;
      text-align: left;
    }

    main h1 {
      margin-bottom: 20px;
      color: #1769aa;
      font-size: clamp(2rem, 5vw, 3.5rem);
    }

    main p {
      max-width: 650px;
      margin: 0 auto;
      color: #5f6770;
      font-size: 1.1rem;
      line-height: 1.7;
    }

    footer {
      padding: 24px 32px;
      border-top: 1px solid #e5e7eb;
      color: #77808c;
      font-size: 14px;
      text-align: center;
    }

    @media (max-width: 700px) {
      header {
        flex-direction: column;
        gap: 20px;
        padding: 24px;
      }

      nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
      }

      main {
        padding: 60px 24px;
      }

      .page-wrapper {
        width: min(100% - 20px, 1200px);
      }
    }