* {
            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: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #2ecc71;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #27ae60;
            text-decoration: underline;
        }
        .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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffeb3b;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            letter-spacing: 1px;
        }
        .my-logo span {
            color: #4caf50;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        #menu-toggle {
            display: none;
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 0.8rem 20px;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #1565c0;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem 0;
        }
        article {
            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: 1.3;
        }
        h2 {
            font-size: 2rem;
            color: #4a148c;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #ffeb3b;
        }
        h3 {
            font-size: 1.6rem;
            color: #2e7d32;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #d84315;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        strong {
            color: #1a237e;
            font-weight: 700;
        }
        em {
            color: #6a1b9a;
        }
        .highlight {
            background: #fff9c4;
            padding: 1rem;
            border-left: 5px solid #ffeb3b;
            margin: 1.5rem 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            display: block;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget h3 {
            font-size: 1.4rem;
            color: #1a237e;
            margin-bottom: 1rem;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #4caf50;
            outline: none;
        }
        button {
            background: linear-gradient(to right, #4caf50, #2e7d32);
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s, background 0.3s;
        }
        button:hover {
            transform: translateY(-3px);
            background: linear-gradient(to right, #2e7d32, #1b5e20);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #ffc107;
        }
        .stars i {
            cursor: pointer;
        }
        footer {
            background: #1a237e;
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #ffeb3b;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
            color: #bbdefb;
        }
        friend-link a {
            color: #bbdefb;
        }
        friend-link a:hover {
            color: #ffeb3b;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #c5cae9;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0;
                margin-top: 1rem;
            }
            .nav-links a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .hamburger {
                display: block;
            }
            #menu-toggle:checked ~ .nav-links {
                display: flex;
            }
            article {
                padding: 1.5rem;
            }
        }