:root {
            --primary-color: #8234db;
            --secondary-color: #36d6c3;
            --accent-color: #ff4757;
            --dark-bg: #0f1525;
            --light-bg: #f8f9fa;
            --text-dark: #2d3436;
            --text-light: #dfe6e9;
            --card-bg: #ffffff;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        * {
            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: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1f35 100%);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .my-logo i {
            font-size: 2.5rem;
            color: var(--accent-color);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--text-light);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav ul li a {
            padding: 0.7rem 1.2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav ul li a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--secondary-color);
            transform: translateY(-3px);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a {
            color: var(--secondary-color);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(rgba(15, 21, 37, 0.9), rgba(15, 21, 37, 0.95)), url('https://images.unsplash.com/photo-1635070041078-e363dbe005cb?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            color: var(--text-light);
            padding: 4rem 0;
            text-align: center;
            border-bottom: 5px solid var(--primary-color);
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            color: #ccc;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .btn {
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: bold;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-primary {
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            color: white;
        }
        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(130, 52, 219, 0.4);
        }
        .btn-secondary {
            background-color: transparent;
            border: 2px solid var(--secondary-color);
            color: var(--secondary-color);
        }
        .btn-secondary:hover {
            background-color: var(--secondary-color);
            color: var(--dark-bg);
        }
        main {
            padding: 3rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .article-content {
            background-color: var(--card-bg);
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
            border-bottom: 2px dashed #eee;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .update-time {
            color: var(--accent-color);
            font-weight: bold;
        }
        .author {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #666;
        }
        .author img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--dark-bg);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 3px solid var(--secondary-color);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(54, 214, 195, 0.15);
            padding: 1.5rem;
            border-left: 5px solid var(--secondary-color);
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
        }
        .highlight strong {
            color: var(--primary-color);
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 900px;
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: 15px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        figcaption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .internal-links {
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .internal-links h4 {
            color: var(--primary-color);
            margin-top: 0;
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            list-style: none;
        }
        .internal-links li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0.8rem;
            border-radius: 8px;
            background-color: white;
            transition: var(--transition);
        }
        .internal-links li a:hover {
            background-color: var(--secondary-color);
            color: white;
            transform: translateX(5px);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: linear-gradient(135deg, #fff, #f5f7fa);
            padding: 1.5rem;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .stat-card h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
        .stat-card .number {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--accent-color);
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: var(--card-bg);
            border-radius: 15px;
            padding: 1.8rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--dark-bg);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-box {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-box input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 1.8rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            opacity: 0.9;
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1.5rem 0;
        }
        .rating-widget .stars i {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget .stars i:hover,
        .rating-widget .stars i.active {
            color: #ffc107;
        }
        .rating-widget button {
            width: 100%;
            padding: 1rem;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget button:hover {
            background-color: var(--accent-color);
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            min-height: 150px;
            margin-bottom: 1rem;
            outline: none;
        }
        .comment-form button {
            width: 100%;
            padding: 1rem;
            background-color: var(--secondary-color);
            color: var(--dark-bg);
            border: none;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: var(--primary-color);
            color: white;
        }
        .toc {
            position: sticky;
            top: 120px;
        }
        .toc ul {
            list-style: none;
        }
        .toc li {
            margin-bottom: 0.8rem;
        }
        .toc a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0.8rem;
            border-radius: 10px;
            background-color: #f8f9fa;
            transition: var(--transition);
        }
        .toc a:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateX(5px);
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            transform: translateX(5px);
        }
        friend-link {
            display: block;
            padding: 1.5rem;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            margin: 1.5rem 0;
        }
        friend-link h4 {
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        friend-link a {
            color: var(--text-light);
            text-decoration: underline;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: var(--secondary-color);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            .toc {
                position: static;
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .hamburger {
                display: flex;
            }
            nav ul {
                display: none;
                width: 100%;
                flex-direction: column;
                margin-top: 1.5rem;
            }
            nav ul.active {
                display: flex;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 480px) {
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }