:root {
            --primary: #3a86ff;
            --secondary: #8338ec;
            --accent: #ff006e;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #38b000;
            --warning: #ffbe0b;
            --border-radius: 12px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            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%, #e4edf5 100%);
            min-height: 100vh;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, var(--dark) 0%, #16213e 100%);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .my-logo i {
            color: var(--accent);
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.1);
            padding: 10px 20px;
            font-size: 0.9rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .breadcrumb a {
            color: #ccc;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: white;
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--warning);
        }
        nav {
            display: flex;
            justify-content: center;
            background: rgba(0, 0, 0, 0.2);
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            padding: 18px 22px;
            display: block;
            font-weight: 600;
            transition: var(--transition);
        }
        .nav-links a:hover {
            background: rgba(58, 134, 255, 0.3);
            color: var(--warning);
        }
        .nav-links a i {
            margin-right: 8px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .hero-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
            border: 5px solid var(--primary);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.2;
            border-left: 6px solid var(--accent);
            padding-left: 20px;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--warning);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--dark);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--dark);
            background: linear-gradient(90deg, #e3f2fd, #f3e5f5);
            padding: 20px;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--primary);
            margin-bottom: 30px;
        }
        .highlight {
            background: linear-gradient(90deg, #fff9c4, #ffecb3);
            padding: 15px;
            border-radius: var(--border-radius);
            border: 2px dashed var(--warning);
            margin: 25px 0;
        }
        .tip {
            background: #e8f5e9;
            border-left: 5px solid var(--success);
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip i {
            color: var(--success);
            margin-right: 10px;
        }
        .download-box {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 30px;
            border-radius: var(--border-radius);
            text-align: center;
            margin: 40px 0;
            box-shadow: 0 10px 30px rgba(58, 134, 255, 0.4);
        }
        .btn {
            display: inline-block;
            background: var(--accent);
            color: white;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background: #e0005e;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 0, 110, 0.3);
        }
        .btn i {
            margin-right: 10px;
        }
        .stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: white;
            padding: 20px;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-top: 5px solid var(--primary);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .stat-card h3 {
            color: var(--primary);
            font-size: 2.5rem;
            margin: 10px 0;
        }
        aside {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 30px;
        }
        .widget h3 {
            color: var(--dark);
            font-size: 1.3rem;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        .search-box {
            display: flex;
            margin-bottom: 25px;
        }
        .search-box input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid var(--primary);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #2a75ff;
        }
        .related-links a {
            display: block;
            padding: 12px 15px;
            background: #f8f9fa;
            margin-bottom: 10px;
            border-radius: var(--border-radius);
            text-decoration: none;
            color: var(--dark);
            transition: var(--transition);
            border-left: 4px solid transparent;
        }
        .related-links a:hover {
            background: #e9ecef;
            border-left-color: var(--accent);
            padding-left: 20px;
        }
        .comment-section, .rating-section {
            background: #f8f9fa;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 40px 0;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
        }
        .rating-stars i {
            color: var(--warning);
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 15px;
            margin: 10px 0 20px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        textarea:focus, input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.2);
        }
        .comment {
            background: white;
            padding: 20px;
            border-radius: var(--border-radius);
            margin-bottom: 20px;
            border-left: 5px solid var(--primary);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            color: var(--gray);
            font-size: 0.9rem;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: var(--warning);
            padding-left: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--dark);
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-top {
                padding: 10px 0;
            }
            article {
                padding: 25px;
            }
            .stats {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(58, 134, 255, 0.7); }
            70% { box-shadow: 0 0 0 15px rgba(58, 134, 255, 0); }
            100% { box-shadow: 0 0 0 0 rgba(58, 134, 255, 0); }
        }