* {
            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: #2c3e50;
        }
        a:hover {
            color: #1a5276;
        }
        ul {
            list-style: none;
        }
        header {
            background: linear-gradient(135deg, #1a5276, #2c3e50);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2.5rem;
            font-weight: bold;
            color: #ffd700;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .logo a:hover {
            color: #fff;
            text-shadow: 0 0 10px #ffd700;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
        }
        .nav-links li a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .nav-links li a:hover {
            background: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background: #ecf0f1;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb ul {
            display: flex;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a5276;
            margin-bottom: 1rem;
            border-bottom: 3px solid #ffd700;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #2c3e50;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #1a5276;
        }
        h3 {
            font-size: 1.5rem;
            color: #34495e;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background: #fffacd;
            padding: 1rem;
            border-left: 4px solid #ffd700;
            margin: 1.5rem 0;
            font-weight: bold;
        }
        emoji {
            font-size: 1.2rem;
            margin-right: 0.5rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            display: block;
        }
        .figure-caption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            margin-top: -0.5rem;
            margin-bottom: 1.5rem;
        }
        .form-section {
            background: #f1f8ff;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #bdc3c7;
            border-radius: 4px;
            font-size: 1rem;
        }
        button {
            background: #1a5276;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        button:hover {
            background: #154360;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            padding: 2rem;
            background: #2c3e50;
            color: white;
        }
        .web-link {
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: 4px;
            transition: transform 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            background: rgba(255,255,255,0.2);
        }
        .web-link a {
            color: #ffd700;
            font-weight: 500;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background: #1a252f;
            color: white;
            text-align: center;
            padding: 2rem;
        }
        .copyright {
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 1rem;
                margin-top: 1rem;
            }
            #nav-toggle:checked ~ .nav-links {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }