:root {
            --primary: #00b5ff;
            --secondary: #ff4655;
            --dark: #0f1419;
            --light: #f5f7fa;
            --gray: #64748b;
            --success: #10b981;
            --warning: #f59e0b;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            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, #0f172a 0%, #1e293b 100%);
            color: var(--light);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(15, 20, 25, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            background: linear-gradient(90deg, var(--primary), #00ffcc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-form input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid var(--primary);
            border-radius: var(--radius) 0 0 var(--radius);
            background: #1e293b;
            color: white;
            font-size: 1rem;
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: #0099cc;
        }
        nav {
            background: rgba(30, 41, 59, 0.9);
            padding: 10px 0;
        }
        .nav-desktop {
            display: flex;
            justify-content: center;
            gap: 30px;
        }
        .nav-desktop a {
            color: var(--light);
            text-decoration: none;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius);
            transition: var(--transition);
            position: relative;
        }
        .nav-desktop a:hover {
            background: var(--primary);
            color: white;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--dark);
            padding: 20px;
            border-top: 1px solid var(--gray);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            padding: 12px;
            text-decoration: none;
            border-bottom: 1px solid #334155;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background: var(--primary);
            padding-left: 20px;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #1e293b;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb span {
            color: var(--gray);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        article {
            background: rgba(30, 41, 59, 0.7);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid #334155;
        }
        .article-header {
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 2px solid var(--primary);
        }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 15px;
            color: white;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .meta-info {
            display: flex;
            gap: 20px;
            color: var(--gray);
            font-size: 0.95rem;
            flex-wrap: wrap;
        }
        .meta-info span i {
            margin-right: 5px;
            color: var(--primary);
        }
        .featured-image {
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
            margin: 30px 0;
            box-shadow: 0 8px 25px rgba(0,0,0,0.4);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .content-section {
            margin-bottom: 40px;
        }
        h2 {
            font-size: 2rem;
            color: white;
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #475569;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin: 25px 0 10px;
        }
        h4 {
            font-size: 1.3rem;
            color: #94a3b8;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(0,181,255,0.1) 0%, rgba(0,181,255,0) 100%);
            border-left: 4px solid var(--primary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid #475569;
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
        }
        .stat-card .number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            margin-bottom: 10px;
        }
        .internal-links {
            background: rgba(255,70,85,0.05);
            border: 1px solid var(--secondary);
            border-radius: var(--radius);
            padding: 25px;
            margin: 30px 0;
        }
        .internal-links h3 {
            color: var(--secondary);
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }
        .links-grid a {
            color: #e2e8f0;
            text-decoration: none;
            padding: 10px 15px;
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .links-grid a:hover {
            background: var(--secondary);
            color: white;
            transform: translateX(5px);
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background: rgba(30, 41, 59, 0.7);
            border-radius: var(--radius);
            padding: 25px;
            border: 1px solid #334155;
        }
        .widget h3 {
            margin-top: 0;
            color: var(--primary);
            font-size: 1.4rem;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 15px 0;
            font-size: 1.8rem;
            color: var(--warning);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-form select,
        .rating-form textarea {
            padding: 12px;
            background: #1e293b;
            border: 1px solid #475569;
            border-radius: var(--radius);
            color: white;
            font-family: inherit;
        }
        .rating-form button {
            background: var(--success);
            color: white;
            border: none;
            padding: 12px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background: #0da271;
        }
        .comment-section {
            max-height: 400px;
            overflow-y: auto;
        }
        .comment {
            background: rgba(255,255,255,0.05);
            padding: 15px;
            border-radius: var(--radius);
            margin-bottom: 15px;
            border-left: 3px solid var(--primary);
        }
        .comment-author {
            color: var(--primary);
            font-weight: 600;
            display: block;
            margin-bottom: 5px;
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            background: #1e293b;
            border: 1px solid #475569;
            border-radius: var(--radius);
            color: white;
        }
        footer {
            background: #0f1419;
            padding: 50px 0 20px;
            margin-top: 50px;
            border-top: 2px solid var(--primary);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .friend-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
            padding: 5px 0;
            border-bottom: 1px dashed #334155;
        }
        .friend-links a:hover {
            color: var(--primary);
            padding-left: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #334155;
            color: var(--gray);
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            article {
                padding: 25px;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 10px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content-section, .widget {
            animation: fadeIn 0.6s ease forwards;
        }