body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f4f4f4;
            margin: 0;
            padding: 0;
        }
        main {
            padding-top: 80px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            background-color: #fff;
            box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
            border-radius: 5px;
        }
        h1 {
            color: #4a6b22;
            text-align: center;
            font-size: 2.5em;
            margin-bottom: 30px;
            border-bottom: 3px solid #d7d2cb;
            padding-bottom: 15px;
        }
        h2 {
            color: #8c7037;
            margin-top: 40px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }
        .section {
            margin-bottom: 30px;
            padding: 0 15px;
        }
        .effective-date {
            text-align: center;
            font-weight: bold;
            margin-bottom: 30px;
            color: #555;
        }
        .section-nav {
            background-color: #eee;
            padding: 15px;
            border-radius: 5px;
            margin-bottom: 30px;
        }
        .section-nav ul {
            list-style-type: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .section-nav li {
            margin: 5px;
        }
        .section-nav a {
            text-decoration: none;
            color: #4a6b22;
            padding: 5px 10px;
            border-radius: 3px;
            background-color: #d7d2cb;
            display: inline-block;
            transition: all 0.3s ease;
        }
        .section-nav a:hover {
            background-color: #8c7037;
            color: white;
        }
        p {
            text-align: justify;
        }
        .tank-accent {
            background-color: #f9f7f4;
            border-left: 4px solid #8c7037;
            padding: 15px;
            margin: 20px 0;
        }