* { 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%, #e4e8f0 100%);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a { color: #2c5282; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #1a365d; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(90deg, #1a202c 0%, #2d3748 100%);
            color: white;
            padding: 1.5rem 0;
            margin-bottom: 2rem;
            border-radius: 0 0 10px 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, #63b3ed, #38b2ac);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding-left: 15px;
        }
        .my-logo a { background: none; }
        .main-nav { display: flex; }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-list a {
            color: #cbd5e0;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        .nav-list a:hover { background: #4a5568; text-decoration: none; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding-right: 15px;
        }
        .breadcrumb {
            background: #edf2f7;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            margin: 1rem 0 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #4a5568; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        .widget h3 {
            color: #2d3748;
            border-bottom: 3px solid #38b2ac;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a202c;
            margin-bottom: 1.2rem;
            line-height: 1.2;
            border-left: 6px solid #e53e3e;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #2d3748;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            font-size: 1.6rem;
            color: #4a5568;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #718096;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .intro {
            font-size: 1.2rem;
            color: #2d3748;
            background: #f7fafc;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #38b2ac;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1.5rem;
            border-radius: 8px;
            border: 1px dashed #d69e2e;
            margin: 1.5rem 0;
        }
        .stats-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .stats-table th, .stats-table td {
            border: 1px solid #e2e8f0;
            padding: 0.8rem 1rem;
            text-align: left;
        }
        .stats-table th {
            background-color: #2c5282;
            color: white;
        }
        .stats-table tr:nth-child(even) { background-color: #f8fafc; }
        form input, form textarea, form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
        }
        form button {
            background: linear-gradient(45deg, #2c5282, #38b2ac);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s;
        }
        form button:hover { transform: translateY(-2px); box-shadow: 0 4px 8px rgba(44, 82, 130, 0.3); }
        .rating-stars { font-size: 1.8rem; color: #f6ad55; margin-bottom: 0.5rem; }
        .rating-stars a { color: #cbd5e0; margin-right: 0.3rem; }
        .rating-stars a:hover { color: #f6ad55; text-decoration: none; }
        .site-footer {
            background: #1a202c;
            color: #cbd5e0;
            padding: 3rem 0 2rem;
            border-radius: 10px 10px 0 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            padding: 0 1.5rem;
        }
        .footer-section h4 {
            color: #fff;
            margin-bottom: 1.2rem;
        }
        .friend-links {
            background: #2d3748;
            padding: 1.2rem;
            border-radius: 8px;
        }
        .friend-links a {
            color: #63b3ed;
            display: block;
            margin-bottom: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .main-content { grid-template-columns: 1fr; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; }
            .nav-list {
                flex-direction: column;
                gap: 0;
                display: none;
                width: 100%;
                margin-top: 1rem;
            }
            .nav-list.active { display: flex; }
            .nav-list li { width: 100%; }
            .nav-list a {
                display: block;
                padding: 0.8rem 1rem;
                border-bottom: 1px solid #4a5568;
            }
            .hamburger { display: block; align-self: flex-end; margin-top: -50px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .article-content { padding: 1.5rem; }
        }