* {
            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: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #007bff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            padding: 15px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.5rem;
            font-weight: bold;
            color: #ffdd00;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .logo a {
            color: inherit;
        }
        .logo a:hover {
            text-shadow: 0 0 10px #ffdd00;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 25px;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 10px 0;
            background: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #007bff;
        }
        .breadcrumb span {
            margin: 0 5px;
        }
        main {
            padding: 30px 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin: 20px auto;
        }
        article {
            padding: 0 20px;
        }
        h1 {
            font-size: 2.8rem;
            color: #1e3c72;
            margin-bottom: 20px;
            text-align: center;
            border-bottom: 3px solid #ffdd00;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            color: #2a5298;
            margin: 30px 0 15px;
            padding-left: 10px;
            border-left: 5px solid #007bff;
        }
        h3 {
            font-size: 1.5rem;
            color: #495057;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 5px 5px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin: 30px 0;
        }
        .link-item {
            background: #f8f9fa;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #dee2e6;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .link-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        }
        .featured-image {
            margin: 30px auto;
            text-align: center;
        }
        .featured-image img {
            border-radius: 10px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
            max-width: 800px;
            width: 100%;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        .form-box {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            border: 1px solid #ced4da;
        }
        .form-box h3 {
            margin-top: 0;
            color: #1e3c72;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        input, textarea, select {
            padding: 12px;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
            width: 100%;
        }
        button {
            background: linear-gradient(90deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            transition: background 0.3s ease, transform 0.2s;
        }
        button:hover {
            background: linear-gradient(90deg, #2a5298 0%, #1e3c72 100%);
            transform: scale(1.02);
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ffc107;
            cursor: pointer;
        }
        footer {
            background: #343a40;
            color: white;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .footer-section h4 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: #ffdd00;
        }
        .friend-links {
            list-style: none;
        }
        .friend-links li {
            margin-bottom: 10px;
        }
        .friend-links a {
            color: #adb5bd;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .friend-links a:hover {
            color: #ffdd00;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #adb5bd;
            margin-top: 20px;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2a5298;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 10px 0;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
        }
        @media print {
            header, footer, .interactive-section, .breadcrumb {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            main {
                box-shadow: none;
            }
        }