* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #0066cc;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff6600;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a237e, #4a148c);
            color: white;
            padding: 1rem 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;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a {
            color: #ffeb3b;
            text-decoration: none;
            font-style: italic;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #ffffff;
            text-shadow: 0 0 10px #ffeb3b;
        }
        .logo i {
            font-size: 2.5rem;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e3f2fd;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            margin-top: 5px;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #1a237e;
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #4a148c;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #ffeb3b;
        }
        h3 {
            font-size: 1.5rem;
            color: #0066cc;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 1.5rem;
            border-left: 5px solid #ffeb3b;
            margin: 1.5rem 0;
            border-radius: 0 10px 10px 0;
        }
        .highlight strong {
            color: #d84315;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 1.5rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            display: block;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -0.5rem;
            margin-bottom: 1.5rem;
        }
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .feature-box {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .feature-box h3 {
            color: #1a237e;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
            width: 100%;
        }
        button {
            background: linear-gradient(to right, #1a237e, #4a148c);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        button:hover {
            background: linear-gradient(to right, #4a148c, #1a237e);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 0.5rem 0;
        }
        .stars i {
            color: #ffc107;
            cursor: pointer;
            font-size: 1.5rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
            padding: 2rem;
            background-color: #e8eaf6;
            border-radius: 10px;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        .web-link a {
            color: #1a237e;
            font-weight: 500;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background: #1a237e;
            color: white;
            padding: 2rem 0;
            text-align: center;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
            margin-top: 1rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            nav {
                width: 100%;
                justify-content: space-between;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #4a148c;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-radius: 0 0 10px 10px;
                box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .features {
                grid-template-columns: 1fr;
            }
        }