* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            line-height: 1.8;
            color: #333;
            background-color: #f9f9f9;
            font-size: 18px;
        }
        a {
            text-decoration: none;
            color: #4a90e2;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #2c5aa0;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }
        header {
            background: linear-gradient(135deg, #2c3e50, #4a90e2);
            color: white;
            padding: 20px 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: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            font-size: 2.8rem;
            color: #ffcc00;
        }
        .logo a {
            color: inherit;
            text-decoration: none;
        }
        .logo a:hover {
            color: #ffcc00;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
            align-items: center;
        }
        nav ul li a {
            color: white;
            font-weight: 600;
            font-size: 1.2rem;
            padding: 10px 15px;
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        nav ul li a:hover {
            background: rgba(255,255,255,0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 2rem;
            cursor: pointer;
            color: white;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #e8f4fc;
            padding: 15px 0;
            margin-bottom: 30px;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            gap: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb ul li {
            font-size: 1rem;
        }
        .breadcrumb ul li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #666;
        }
        .breadcrumb a {
            color: #4a90e2;
        }
        .breadcrumb a:hover {
            color: #2c5aa0;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        article {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.05);
        }
        aside {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 140px;
        }
        h1 {
            font-size: 3.5rem;
            color: #2c3e50;
            margin-bottom: 30px;
            line-height: 1.3;
            text-align: center;
            border-bottom: 5px solid #4a90e2;
            padding-bottom: 20px;
        }
        h2 {
            font-size: 2.5rem;
            color: #4a90e2;
            margin: 40px 0 20px;
            padding-left: 15px;
            border-left: 8px solid #ffcc00;
        }
        h3 {
            font-size: 2rem;
            color: #2c5aa0;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.2rem;
            text-align: justify;
            line-height: 1.9;
        }
        .highlight {
            background: #fffacd;
            padding: 20px;
            border-left: 6px solid #ffcc00;
            margin: 30px 0;
            font-size: 1.3rem;
            border-radius: 0 10px 10px 0;
        }
        emoji {
            font-size: 1.5rem;
            margin-right: 8px;
        }
        strong {
            color: #2c5aa0;
            font-weight: 800;
        }
        .section-break {
            height: 3px;
            background: linear-gradient(to right, #4a90e2, #ffcc00);
            margin: 50px 0;
            border-radius: 3px;
        }
        .form-group {
            margin-bottom: 25px;
        }
        .form-group label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
            color: #2c3e50;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1.1rem;
            transition: border 0.3s ease;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            border-color: #4a90e2;
            outline: none;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        button, .btn {
            background: linear-gradient(to right, #4a90e2, #2c5aa0);
            color: white;
            border: none;
            padding: 18px 35px;
            font-size: 1.2rem;
            border-radius: 10px;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: inline-block;
            font-weight: 700;
            text-align: center;
        }
        button:hover, .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(44, 90, 160, 0.3);
            text-decoration: none;
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-bottom: 20px;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffcc00;
        }
        .feature-img {
            margin: 40px auto;
            max-width: 800px;
        }
        .feature-img figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 15px;
            font-size: 1.1rem;
        }
        .web-links {
            background: #2c3e50;
            padding: 50px 0;
            margin-top: 60px;
        }
        .web-links .container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 25px;
        }
        .web-link {
            background: rgba(255,255,255,0.1);
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            transition: background 0.3s ease;
        }
        .web-link:hover {
            background: rgba(255,255,255,0.2);
        }
        .web-link a {
            color: #ffcc00;
            font-size: 1.3rem;
            font-weight: 700;
            display: block;
        }
        .web-link a:hover {
            text-decoration: none;
            color: white;
        }
        footer {
            background: #1a2530;
            color: #ccc;
            padding: 40px 0;
            text-align: center;
        }
        footer p {
            margin-bottom: 15px;
            font-size: 1.1rem;
            text-align: center;
        }
        footer a {
            color: #4a90e2;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            aside {
                position: static;
            }
            .web-links .container {
                grid-template-columns: repeat(3, 1fr);
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2.2rem;
            }
            h3 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .logo {
                font-size: 2rem;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2c3e50;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                gap: 15px;
                border-top: 2px solid #4a90e2;
            }
            #nav-toggle:checked ~ nav ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .web-links .container {
                grid-template-columns: repeat(2, 1fr);
            }
            article, aside {
                padding: 25px;
            }
        }
        @media (max-width: 576px) {
            .web-links .container {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            p {
                font-size: 1.1rem;
            }
        }