:root {
            --primary: #4a6bff;
            --secondary: #ff9d4a;
            --accent: #7b42ff;
            --dark: #2a2a4a;
            --light: #f8f9ff;
            --text: #333344;
            --text-light: #666677;
            --border: #e0e5ff;
            --success: #4CAF50;
            --shadow: rgba(74, 107, 255, 0.08);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--light);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul { list-style: none; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: white;
            box-shadow: 0 4px 20px var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }
        .logo span { color: var(--secondary); }
        .desktop-nav ul {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 30px;
        }
        .desktop-nav a:hover {
            background-color: var(--primary);
            color: white;
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: white;
            padding: 20px;
            border-top: 1px solid var(--border);
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a {
            padding: 15px;
            border-bottom: 1px solid var(--border);
            font-weight: 600;
        }
        .mobile-nav a:hover { color: var(--primary); }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f1f4ff;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 10px;
            color: var(--text-light);
        }
        .breadcrumb a:hover { color: var(--primary); }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-card {
            background: white;
            border-radius: var(--radius);
            box-shadow: 0 10px 30px var(--shadow);
            padding: 40px;
            margin-bottom: 30px;
            overflow: hidden;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            border-bottom: 3px solid var(--border);
            padding-bottom: 30px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .article-meta {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .article-meta i { margin-right: 5px; color: var(--primary); }
        .featured-image {
            width: 100%;
            border-radius: var(--radius);
            margin: 30px 0;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .featured-image:hover { transform: scale(1.02); }
        .content-section {
            margin: 40px 0;
        }
        h2 {
            font-size: 2rem;
            color: var(--dark);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--border);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(120deg, #ff9d4a22, #4a6bff22);
            border-left: 5px solid var(--secondary);
            padding: 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 30px 0;
            font-style: italic;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            text-align: center;
            box-shadow: 0 5px 15px var(--shadow);
            border-top: 4px solid var(--primary);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .pro-tip {
            background-color: #e8f4ff;
            border-radius: var(--radius);
            padding: 20px;
            margin: 25px 0;
            border-left: 4px solid var(--accent);
        }
        .pro-tip h4 { color: var(--accent); margin-bottom: 10px; }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: 0 8px 20px var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            color: var(--dark);
            padding-bottom: 15px;
            border-bottom: 2px solid var(--border);
        }
        .search-box {
            display: flex;
            margin-bottom: 10px;
        }
        .search-box input {
            flex: 1;
            padding: 15px;
            border: 2px solid var(--border);
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-box button:hover { background: var(--accent); }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars i:hover { transform: scale(1.2); }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid var(--border);
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 15px;
            resize: vertical;
            min-height: 150px;
        }
        .comment-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            width: 100%;
        }
        .comment-form button:hover { background: #ff8a2a; }
        .interactive-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 30px 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 25px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary {
            background: var(--primary);
            color: white;
        }
        .btn-primary:hover {
            background: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(74, 107, 255, 0.3);
        }
        .btn-secondary {
            background: var(--secondary);
            color: white;
        }
        .web-links {
            background: var(--dark);
            padding: 40px 0;
            color: white;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .web-link a {
            color: #b8c1ff;
        }
        .web-link a:hover { color: white; }
        .site-footer {
            background: #1a1a2e;
            color: #aaaacc;
            padding: 40px 0 20px;
            text-align: center;
        }
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #333355;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-menu-toggle { display: block; }
            .article-header h1 { font-size: 2rem; }
            .article-card { padding: 25px; }
            .stats-grid { grid-template-columns: 1fr; }
            .interactive-buttons { justify-content: center; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-card, .sidebar-widget {
            animation: fadeIn 0.8s ease-out;
        }