* { 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: #f8f9fa;
            padding-top: 80px;
        }
        a { text-decoration: none; color: #1a73e8; transition: color 0.3s; }
        a:hover { color: #0d47a1; }
        img { max-width: 100%; height: auto; display: block; }
        header {
            background: linear-gradient(135deg, #2c3e50, #1a237e);
            color: white;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            padding: 15px 5%;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: bold;
            color: #ffeb3b;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo:hover { color: #ffc107; }
        nav { display: flex; align-items: center; }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
            padding: 8px 15px;
            border-radius: 5px;
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.2);
            color: #ffeb3b;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 12px 5%;
            font-size: 0.9rem;
            color: #555;
            border-bottom: 1px solid #ccc;
        }
        .breadcrumb a { color: #1a73e8; }
        .breadcrumb a:hover { text-decoration: underline; }
        main {
            max-width: 1200px;
            margin: 20px auto;
            padding: 20px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        article { padding: 20px; }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 20px;
            border-bottom: 3px solid #ffeb3b;
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2rem;
            color: #2c3e50;
            margin: 30px 0 15px;
            padding-left: 10px;
            border-left: 5px solid #1a73e8;
        }
        h3 {
            font-size: 1.6rem;
            color: #37474f;
            margin: 25px 0 12px;
        }
        h4 {
            font-size: 1.3rem;
            color: #546e7a;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 18px;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background-color: #fffde7;
            border-left: 4px solid #ffeb3b;
            padding: 15px;
            margin: 20px 0;
            font-style: italic;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
            padding: 15px;
            background: #f5f5f5;
            border-radius: 8px;
        }
        .image-container img {
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            margin: 0 auto;
        }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .keyword { font-weight: bold; color: #d32f2f; }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 25px 0;
            padding: 20px;
            background: #f1f8ff;
            border-radius: 8px;
        }
        .link-list a {
            display: block;
            padding: 10px;
            background: white;
            border-radius: 5px;
            border: 1px solid #bbdefb;
        }
        .link-list a:hover {
            background: #e3f2fd;
            border-color: #1a73e8;
        }
        .functional-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 40px 0;
            padding: 25px;
            background: #f8f9fa;
            border-radius: 10px;
            border: 1px solid #e0e0e0;
        }
        .search-box, .comment-form, .rating-form {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            color: #1a237e;
            margin-bottom: 15px;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            margin: 10px 0;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
        }
        button {
            background: #1a73e8;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        button:hover { background: #0d47a1; }
        footer {
            background: #2c3e50;
            color: white;
            padding: 40px 5% 20px;
            margin-top: 40px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-section h4 {
            color: #ffeb3b;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            color: #bbdefb;
        }
        friend-link:hover { color: #ffeb3b; }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #546e7a;
            margin-top: 30px;
            font-size: 0.9rem;
            color: #b0bec5;
        }
        @media (max-width: 768px) {
            body { padding-top: 70px; }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #2c3e50;
                padding: 20px;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            .nav-links.active { display: flex; }
            .hamburger { display: block; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .functional-section {
                grid-template-columns: 1fr;
                padding: 15px;
            }
        }