* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            background-attachment: fixed;
            max-width: 1200px;
            margin: 0 auto;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
        }
        a { color: #d35400; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #a84300; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(90deg, #2c3e50 0%, #4a6491 100%);
            color: white;
            padding: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            font-family: 'Impact', 'Arial Black', sans-serif;
            background: linear-gradient(to right, #f39c12, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
            letter-spacing: 1px;
        }
        .my-logo a { background: transparent; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover, .main-nav a:focus {
            background: rgba(255, 255, 255, 0.15);
            color: #f1c40f;
        }
        .breadcrumb {
            padding: 1rem 1.5rem;
            background: #edf2f7;
            font-size: 0.9rem;
            color: #7f8c8d;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a { color: #3498db; }
        .hero {
            padding: 3rem 1.5rem;
            text-align: center;
            background: linear-gradient(rgba(44, 62, 80, 0.85), rgba(52, 73, 94, 0.9)), url('https://images.unsplash.com/photo-1542744095-fcf48d80b0fd?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            margin-bottom: 2rem;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
        }
        .hero p { font-size: 1.3rem; max-width: 800px; margin: 0 auto; }
        .container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 0 1.5rem 3rem;
        }
        main { order: 1; }
        aside { order: 2; }
        @media (max-width: 768px) {
            .container { grid-template-columns: 1fr; }
            aside { order: 1; }
            main { order: 2; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        article h2, article h3, article h4 {
            color: #2c3e50;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f1c40f;
        }
        article h2 { font-size: 2rem; }
        article h3 { font-size: 1.6rem; }
        article h4 { font-size: 1.3rem; }
        article p, article li { margin-bottom: 1.2rem; text-align: justify; }
        article ul, article ol { padding-left: 2rem; margin-bottom: 1.5rem; }
        article strong { color: #c0392b; }
        .feature-img {
            float: right;
            margin: 0 0 1.5rem 1.5rem;
            width: 50%;
            max-width: 400px;
            border-radius: 8px;
            border: 5px solid #f1c40f;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        @media (max-width: 768px) {
            .feature-img { float: none; width: 100%; margin: 1rem 0; }
        }
        .highlight-box {
            background: #fff9e6;
            border-left: 5px solid #f1c40f;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #7f8c8d;
            font-size: 0.9rem;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px dashed #bdc3c7;
        }
        aside section {
            background: white;
            padding: 1.8rem;
            margin-bottom: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        aside h3 {
            color: #2c3e50;
            margin-bottom: 1.2rem;
            font-size: 1.4rem;
        }
        .search-form input, .comment-form input, .comment-form textarea, .score-form select {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
        }
        .search-form button, .comment-form button, .score-form button {
            width: 100%;
            padding: 1rem;
            background: linear-gradient(to right, #27ae60, #2ecc71);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .search-form button:hover, .comment-form button:hover, .score-form button:hover { opacity: 0.9; }
        .score-stars { font-size: 1.8rem; color: #f1c40f; margin-bottom: 1rem; text-align: center; }
        footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 1.5rem;
            margin-top: 2rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section { flex: 1; min-width: 250px; }
        .footer-section h3 {
            color: #f1c40f;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            list-style: none;
        }
        .friend-links a {
            color: #bdc3c7;
            background: #34495e;
            padding: 0.6rem 1.2rem;
            border-radius: 20px;
            display: inline-block;
        }
        .friend-links a:hover { background: #3d566e; color: white; }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #34495e;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-top: 1px solid #4a6491;
            }
            .main-nav.active ul { display: flex; }
            .hero h1 { font-size: 2.5rem; }
            article { padding: 1.8rem; }
        }