body {
      font-family: 'Nunito', sans-serif;
      margin: 0;
      background: #f5fff7;
      color: #333;
    }

    header {
      background: #d4edda;
      padding: 1rem 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    nav a {
      margin: 0 10px;
      text-decoration: none;
      color: #2e7d32;
      font-weight: bold;
    }

    .hero {
      background: url('https://source.unsplash.com/1600x500/?eco,nature,green') center/cover no-repeat;
      color: black;
      text-align: center;
      padding: 100px 20px;
    }

    .hero h1 {
      font-size: 3rem;
      margin: 0;
    }

    .section {
      padding: 40px 20px;
      max-width: 1000px;
      margin: auto;
    }

    .tips-container {
      display: flex;
      align-items: center;
      gap: 30px;
      flex-wrap: wrap;
    }

    .tips-list {
      flex: 1;
      list-style-type: none;
      padding: 0;
    }

    .tips-list li {
      background: #e8f5e9;
      margin-bottom: 15px;
      padding: 15px;
      border-left: 5px solid #2e7d32;
      border-radius: 4px;
      font-size: 1rem;
    }

    .tips-image-wrapper {
      flex: 1;
      display: flex;
      justify-content: center;
    }

    .tips-image {
      max-width: 350px;
      width: 100%;
      height: auto;
      border-radius: 10px;
      object-fit: cover;
      display: flex;
      align-items: center;
    }

    footer {
      background: #d4edda;
      text-align: center;
      padding: 1rem;
      font-size: 0.9rem;
      margin-top: 50px;
    }