        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background: #f8f9fa;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #2c3e50; font-weight: 700; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-top: 1.5rem; border-bottom: 4px solid #3498db; padding-bottom: 0.5rem; }
        h2 { font-size: 2.1rem; color: #2980b9; margin-top: 2.5rem; padding-bottom: 0.5rem; border-bottom: 2px solid #eee; }
        h3 { font-size: 1.7rem; color: #16a085; margin-top: 2rem; }
        h4 { font-size: 1.3rem; color: #e67e22; margin-top: 1.5rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        a { color: #3498db; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #e74c3c; }
        strong { color: #2c3e50; font-weight: 700; }
        em { font-style: italic; }
        blockquote {
            border-left: 5px solid #3498db;
            padding: 1rem 1.5rem;
            margin: 2rem 0;
            background: #ecf0f1;
            font-style: italic;
            border-radius: 0 8px 8px 0;
        }
        ul, ol { margin-left: 2rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.5rem; }
        .container { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; }
        @media (max-width: 1024px) {
            .container { grid-template-columns: 1fr; }
        }
        main { order: 1; }
        aside { order: 2; }
        header { background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%); color: white; padding: 1.5rem 0; margin-bottom: 2rem; border-radius: 0 0 12px 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
        .header-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
        .my-logo { font-family: 'Arial Black', sans-serif; font-size: 2.2rem; color: white; text-decoration: none; display: flex; align-items: center; }
        .my-logo i { margin-right: 10px; color: #f1c40f; }
        .my-logo span { color: #f1c40f; }
        .breadcrumb { background: #ecf0f1; padding: 0.8rem 1rem; border-radius: 6px; margin: 1rem 0 2rem; font-size: 0.9rem; }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #3498db; }
        .breadcrumb span { color: #95a5a6; }
        nav { background: #34495e; border-radius: 8px; margin: 1.5rem 0; }
        .nav-desktop { display: flex; flex-wrap: wrap; list-style: none; }
        .nav-desktop li { flex: 1 0 auto; }
        .nav-desktop a { color: white; padding: 1rem 1.2rem; display: block; text-align: center; font-weight: 500; }
        .nav-desktop a:hover { background: #3498db; color: white; }
        .hamburger { display: none; background: none; border: none; color: white; font-size: 1.8rem; cursor: pointer; padding: 0.5rem; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-desktop { display: none; flex-direction: column; }
            .nav-desktop.active { display: flex; }
            .nav-desktop li { width: 100%; }
        }
        .search-box { background: white; padding: 1.5rem; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-bottom: 2rem; }
        .search-box h3 { margin-top: 0; }
        .search-form { display: flex; gap: 10px; }
        .search-form input { flex-grow: 1; padding: 0.8rem 1rem; border: 2px solid #ddd; border-radius: 6px; font-size: 1rem; }
        .search-form button { padding: 0.8rem 1.5rem; background: #2ecc71; color: white; border: none; border-radius: 6px; cursor: pointer; font-weight: bold; transition: background 0.3s; }
        .search-form button:hover { background: #27ae60; }
        .content-card {
            background: white;
            padding: 2rem;
            margin-bottom: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border-top: 5px solid #3498db;
        }
        .highlight-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            padding: 1.5rem;
            border-left: 5px solid #9b59b6;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .img-container {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border: 1px solid #ddd;
        }
        .caption { font-style: italic; color: #7f8c8d; text-align: center; margin-top: 0.5rem; font-size: 0.9rem; }
        aside .widget {
            background: white;
            padding: 1.5rem;
            margin-bottom: 2rem;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        .widget h3 { font-size: 1.4rem; margin-top: 0; border-bottom: 2px solid #eee; padding-bottom: 0.5rem; }
        .link-list { list-style: none; margin-left: 0; }
        .link-list li { margin-bottom: 0.8rem; padding-bottom: 0.8rem; border-bottom: 1px dashed #eee; }
        .link-list a { display: block; padding: 0.3rem 0; }
        .link-list a:before { content: "🎲 "; }
        .interaction-form { background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); margin: 3rem 0; }
        .interaction-form h2 { border-bottom: none; }
        .form-group { margin-bottom: 1.2rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: #2c3e50; }
        input[type="text"], input[type="email"], textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus { border-color: #3498db; outline: none; }
        textarea { min-height: 150px; resize: vertical; }
        .rating { display: flex; gap: 10px; margin: 1rem 0; }
        .rating input { display: none; }
        .rating label { font-size: 2rem; color: #ddd; cursor: pointer; transition: color 0.2s; }
        .rating label:hover, .rating label:hover ~ label, .rating input:checked ~ label { color: #f39c12; }
        .btn-submit {
            background: linear-gradient(to right, #3498db, #2c3e50);
            color: white;
            padding: 1rem 2.5rem;
            border: none;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .btn-submit:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4); }
        footer { background: #2c3e50; color: #ecf0f1; padding: 3rem 0 1.5rem; margin-top: 3rem; border-radius: 12px 12px 0 0; }
        .footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
        .footer-section h4 { color: #f1c40f; margin-top: 0; }
        .friend-links { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1rem 0; }
        .friend-links a {
            background: rgba(255,255,255,0.1);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            color: #bdc3c7;
        }
        .friend-links a:hover { background: #3498db; color: white; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        .text-center { text-align: center; }
        .emoji { font-size: 1.2em; }
        .divider { height: 1px; background: linear-gradient(to right, transparent, #3498db, transparent); margin: 2.5rem 0; }
