* {
            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: #f9f9f9;
            padding: 0;
            margin: 0;
        }
        .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: 2.5rem;
            font-weight: bold;
            color: #ffeb3b;
            text-decoration: none;
            font-family: 'Georgia', serif;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s ease, color 0.3s ease;
        }
        nav a:hover {
            background: #ffeb3b;
            color: #1a237e;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 0.8rem;
            border-radius: 4px;
            margin: 1rem 0;
        }
        .breadcrumb a {
            color: #1a237e;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 2rem;
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.05);
        }
        h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #ffeb3b;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #4a148c;
            font-size: 2rem;
            margin: 1.5rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 4px solid #4a148c;
        }
        h3 {
            color: #6a1b9a;
            font-size: 1.6rem;
            margin: 1.2rem 0 0.8rem;
        }
        h4 {
            color: #8e24aa;
            font-size: 1.3rem;
            margin: 1rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background: #fff9c4;
            padding: 1rem;
            border-left: 4px solid #ffeb3b;
            margin: 1.5rem 0;
            border-radius: 0 4px 4px 0;
        }
        .link-list {
            list-style: none;
            padding: 1rem;
            background: #f3e5f5;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .link-list li {
            margin: 0.5rem 0;
        }
        .link-list a {
            color: #4a148c;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
        }
        .link-list a:hover {
            color: #ff6f00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
            border: 3px solid #e1bee7;
            transition: transform 0.3s ease;
        }
        img:hover {
            transform: scale(1.01);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .search-box, .comment-form, .rating-form {
            background: #f5f5f5;
            padding: 1.5rem;
            border-radius: 8px;
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            margin-top: 0;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            margin: 0.5rem 0 1rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 1rem;
        }
        button {
            background: #4a148c;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        button:hover {
            background: #6a1b9a;
        }
        footer {
            background: #1a237e;
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        friend-link {
            display: block;
            background: #0d47a1;
            padding: 1rem;
            border-radius: 6px;
            text-align: center;
            width: 100%;
        }
        friend-link a {
            color: #bbdefb;
            text-decoration: none;
            margin: 0 1rem;
            transition: color 0.3s ease;
        }
        friend-link a:hover {
            color: #ffeb3b;
        }
        .copyright {
            text-align: center;
            font-size: 0.9rem;
            color: #bbdefb;
            margin-top: 1rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            nav ul {
                flex-direction: column;
                gap: 0.5rem;
                display: none;
                width: 100%;
                background: #4a148c;
                padding: 1rem;
                border-radius: 4px;
                margin-top: 1rem;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
                align-self: flex-end;
                margin-top: -3rem;
            }
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        .last-updated {
            font-style: italic;
            color: #666;
            margin-bottom: 2rem;
            text-align: right;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }