* { 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: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #4a6fa5; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #ff6b6b; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(90deg, #2c3e50, #4a6fa5);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffd166;
            text-shadow: 2px 2px 0 #4a6fa5;
            letter-spacing: -1px;
        }
        .my-logo:hover { color: #ffed99; text-decoration: none; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background: rgba(255,255,255,0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        .breadcrumb a { color: #6c757d; }
        .container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            flex-grow: 1;
        }
        @media (max-width: 992px) {
            .container { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            border-radius: 16px;
            padding: 2.5rem;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            color: #2c3e50;
            font-size: 3rem;
            margin-bottom: 1rem;
            border-bottom: 4px solid #ffd166;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #4a6fa5;
            font-size: 2.2rem;
            margin: 2.5rem 0 1rem;
            padding-top: 1rem;
            border-top: 2px dashed #e9ecef;
        }
        h3 { color: #555; font-size: 1.8rem; margin: 2rem 0 1rem; }
        h4 { color: #777; font-size: 1.4rem; margin: 1.5rem 0 0.8rem; }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: #fff9db;
            border-left: 5px solid #ffd166;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #4a6fa5, #2c3e50);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }
        .stat-card:hover { transform: translateY(-5px); }
        .stat-card i { font-size: 2.5rem; margin-bottom: 0.5rem; display: block; }
        .featured-image {
            width: 100%;
            border-radius: 12px;
            margin: 2rem auto;
            border: 5px solid #ffd166;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        .link-list {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .link-list ul { list-style-position: inside; padding-left: 1rem; }
        .link-list li { margin-bottom: 0.8rem; }
        aside {
            background: white;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 140px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: #2c3e50;
            border-bottom: 2px solid #ffd166;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .search-box button, .comment-form button, .rating-form button {
            background: linear-gradient(90deg, #ff6b6b, #ff8e8e);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            width: 100%;
            transition: background 0.3s;
        }
        .search-box button:hover, .comment-form button:hover, .rating-form button:hover {
            background: linear-gradient(90deg, #ff5252, #ff7b7b);
        }
        .rating-stars { color: #ffd166; font-size: 1.5rem; margin: 0.5rem 0; }
        footer {
            background: #2c3e50;
            color: #ccc;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-section { flex: 1; min-width: 250px; }
        .footer-section h3 { color: #ffd166; margin-bottom: 1rem; font-size: 1.3rem; }
        friend-link {
            display: block;
            background: #3a506b;
            padding: 0.8rem;
            margin-bottom: 0.8rem;
            border-radius: 6px;
            color: #ffd166;
            font-weight: bold;
            text-align: center;
        }
        friend-link:hover { background: #4a6fa5; color: white; text-decoration: none; }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #4a6fa5;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .main-nav { display: none; width: 100%; order: 3; margin-top: 1rem; }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; gap: 0; }
            .main-nav li { width: 100%; }
            .main-nav a { display: block; padding: 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
            .hamburger { display: block; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .container { padding: 0 1rem; }
            article, aside { padding: 1.5rem; }
        }