* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f9f9f9;
            color: #333;
            line-height: 1.8;
            font-size: 18px;
        }
        a {
            color: #2a6bb0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1d3557 0%, #457b9d 100%);
            color: white;
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            font-style: italic;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: #f1faee;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            color: #a8dadc;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav ul li a {
            color: #f1faee;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 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: 1.8rem;
            cursor: pointer;
            color: #f1faee;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 15px;
            border-radius: 8px;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #457b9d;
        }
        .breadcrumb a:hover {
            color: #1d3557;
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        aside {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 3.2rem;
            color: #1d3557;
            margin-bottom: 25px;
            line-height: 1.2;
            border-bottom: 4px solid #e63946;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.4rem;
            color: #457b9d;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #a8dadc;
        }
        h3 {
            font-size: 1.8rem;
            color: #1d3557;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: #f1faee;
            padding: 25px;
            border-left: 5px solid #2a9d8f;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 8px;
        }
        form {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }
        form h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #457b9d;
            outline: none;
            box-shadow: 0 0 5px rgba(69, 123, 157, 0.5);
        }
        button {
            background: #2a9d8f;
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s ease;
        }
        button:hover {
            background: #21867a;
            transform: translateY(-3px);
        }
        .rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: #ffc107;
        }
        footer {
            background: #1d3557;
            color: #f1faee;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }
        @media (max-width: 768px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        .footer-section h3 {
            color: #a8dadc;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin-bottom: 15px;
            font-size: 1.1rem;
        }
        friend-link a {
            color: #f1faee;
        }
        friend-link a:hover {
            color: #e63946;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #457b9d;
            margin-top: 30px;
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.5rem; }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: 15px;
            }
            nav ul {
                flex-direction: column;
                gap: 15px;
                display: none;
                width: 100%;
                background: rgba(29, 53, 87, 0.95);
                padding: 20px;
                border-radius: 10px;
                margin-top: 15px;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 25px;
                right: 20px;
            }
            article, aside {
                padding: 25px;
            }
        }