body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #fefeff;
    color: #222;
  }
  
  .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 80px;
    background: #fff;
  }
  
  .logo {
    display: flex;
    align-items: center;
    font-weight: 600;
    font-size: 22px;
  }
  
  .logo img {
    width: 36px;
    margin-right: 10px;
  }
  
  .nav {
    display: flex;
    align-items: center;
    gap: 30px;
  }
  
  .nav a {
    text-decoration: none;
    color: #222;
    font-size: 15px;
    font-weight: 500;
  }
  
  .register-btn {
    background-color: #268dff;
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
  }
  
  .settings-icon {
    width: 20px;
    height: 20px;
    margin-left: 10px;
    cursor: pointer;
  }
  
  .hero {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 80px 100px 60px;
    background: linear-gradient(to bottom left, #e9f6fd 30%, white 70%);
  }
  
  .hero-text {
    max-width: 45%;
  }
  
  .hero-text h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 20px;
  }
  
  .hero-text p {
    font-size: 17px;
    color: #444;
    line-height: 1.6;
    margin-bottom: 30px;
  }
  
  .write-button {
    width: 140px;
    height: auto;
    cursor: pointer;
  }
  
  .hero-img img {
    width: 100%;
    max-width: 1000px;
  }
  
  .features {
    display: flex;
    justify-content: center;
    gap: 80px;
    padding: 60px 100px;
    border-top: 1px solid #eee;
  }
  
  .feature {
    text-align: center;
    max-width: 200px;
  }
  
  .feature h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
  }
  
  .feature p {
    font-size: 13px;
    color: #666;
    margin: 0;
  }
  
  .feature.active h3 {
    color: #268dff;
    border-bottom: 2px solid #268dff;
    padding-bottom: 4px;
    display: inline-block;
  }