* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            padding-top: 80px; 
        }
        a {
            text-decoration: none;
            color: #007bff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
        }
        ul {
            list-style-type: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: #1e3a5f;
            color: white;
            padding: 15px 0;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: #ffcc00;
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }
        .my-logo:hover {
            color: #ffdd44;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 30px;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: #2a4a7a;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 10px 20px;
            margin-top: 80px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #495057;
        }
        main {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin: 20px auto;
        }
        h1 {
            font-size: 2.8rem;
            color: #1e3a5f;
            margin-bottom: 20px;
            text-align: center;
            border-bottom: 3px solid #ffcc00;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            color: #2a4a7a;
            margin-top: 40px;
            margin-bottom: 15px;
            padding-left: 10px;
            border-left: 5px solid #007bff;
        }
        h3 {
            font-size: 1.6rem;
            color: #3a5f8a;
            margin-top: 30px;
            margin-bottom: 10px;
        }
        h4 {
            font-size: 1.3rem;
            color: #4a6fa5;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 15px;
            border-left: 4px solid #ffcc00;
            margin: 20px 0;
            font-weight: 600;
        }
        emoji {
            font-size: 1.2em;
            margin-right: 8px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 25px auto;
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        img:hover {
            transform: scale(1.01);
        }
        .form-section {
            background-color: #f8f9fa;
            padding: 25px;
            border-radius: 8px;
            margin: 40px 0;
            border: 1px solid #dee2e6;
        }
        .form-section h3 {
            color: #1e3a5f;
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 1px solid #ced4da;
            border-radius: 4px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #007bff;
            outline: none;
        }
        button {
            background-color: #007bff;
            color: white;
            padding: 12px 24px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background-color 0.3s ease;
        }
        button:hover {
            background-color: #0056b3;
        }
        .rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating label:hover,
        .rating input:checked ~ label {
            color: #ffcc00;
        }
        footer {
            background-color: #1e3a5f;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .footer-section h4 {
            color: #ffcc00;
            margin-bottom: 20px;
            border-bottom: 2px solid #ffcc00;
            padding-bottom: 10px;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            padding: 8px 12px;
            background-color: #2a4a7a;
            border-radius: 4px;
            transition: background-color 0.3s ease;
        }
        friend-link a {
            color: white;
            display: block;
        }
        friend-link:hover {
            background-color: #3a5f8a;
        }
        .copyright {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #2a4a7a;
            font-size: 0.9rem;
            color: #adb5bd;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: #1e3a5f;
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 40px;
                gap: 20px;
                transition: left 0.5s ease;
            }
            .nav-links.active {
                left: 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .header-container {
                padding: 0 15px;
            }
            main {
                padding: 20px;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-4 {
            margin-top: 40px;
        }
        .mb-4 {
            margin-bottom: 40px;
        }
        .last-updated {
            font-style: italic;
            color: #6c757d;
            margin-top: 30px;
            padding-top: 15px;
            border-top: 1px dashed #dee2e6;
        }