* {
            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;
        }
        a {
            text-decoration: none;
            color: #007bff;
        }
        a:hover {
            color: #0056b3;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: bold;
            color: white;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(to right, #ff7e5f, #feb47b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 5px;
        }
        .my-logo:hover {
            transform: scale(1.05);
            transition: transform 0.3s ease;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }
        .hamburger span {
            height: 3px;
            width: 25px;
            background: white;
            margin: 4px;
            border-radius: 5px;
        }
        #nav-toggle {
            display: none;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav ul li a {
            color: white;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 5px;
            transition: background 0.3s;
        }
        nav ul li a:hover {
            background: rgba(255,255,255,0.2);
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #e9ecef;
            margin-top: 10px;
            border-radius: 5px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb ol li:not(:last-child)::after {
            content: ">";
            margin-left: 10px;
            color: #6c757d;
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        h1 {
            font-size: 2.8rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid #ff7e5f;
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2rem;
            color: #2a5298;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #4a6fa5;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #6b8cbc;
            margin-top: 1rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background: #fff3cd;
            padding: 15px;
            border-left: 5px solid #ffc107;
            margin: 1.5rem 0;
            border-radius: 5px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .form-section {
            background: #f1f8ff;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        form {
            display: grid;
            gap: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
        }
        button {
            background: #28a745;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        button:hover {
            background: #218838;
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .rating input[type="radio"] {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
        }
        .rating input:checked ~ label {
            color: #ffc107;
        }
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffc107;
        }
        footer {
            background: #343a40;
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            list-style: none;
        }
        .friend-links a {
            color: #ff7e5f;
            padding: 5px 10px;
            background: rgba(255,255,255,0.1);
            border-radius: 5px;
        }
        .friend-links a:hover {
            background: rgba(255,255,255,0.2);
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #6c757d;
            font-size: 0.9rem;
            color: #adb5bd;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .hamburger {
                display: flex;
                position: absolute;
                top: 1.5rem;
                right: 20px;
            }
            nav ul {
                flex-direction: column;
                display: none;
                width: 100%;
                background: #2a5298;
                padding: 1rem;
                border-radius: 5px;
                margin-top: 1rem;
            }
            #nav-toggle:checked ~ nav ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 1rem;
        }
        .mt-3 {
            margin-top: 1rem;
        }
        .last-updated {
            font-style: italic;
            color: #6c757d;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dashed #dee2e6;
        }