:root {
            --primary: #00B2FF;
            --secondary: #FF4655;
            --dark: #1A1A2E;
            --light: #F5F5F7;
            --gray: #8A8A9C;
            --success: #2ECC71;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 12px;
            --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;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(90deg, var(--primary), #0088CC);
            color: white;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 178, 255, 0.3);
            background: linear-gradient(90deg, #0088CC, var(--primary));
        }
        .btn-secondary {
            background: linear-gradient(90deg, var(--secondary), #CC3340);
        }
        .btn-secondary:hover {
            box-shadow: 0 10px 20px rgba(255, 70, 85, 0.3);
        }
        header {
            background: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .logo a {
            background: none;
            -webkit-text-fill-color: unset;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            color: var(--light);
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        .desktop-nav a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        .desktop-nav a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: var(--dark);
            padding: 20px;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav a {
            color: var(--light);
            display: block;
            padding: 10px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.05);
        }
        .mobile-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .hero {
            padding: 60px 0;
            text-align: center;
            background: radial-gradient(circle at 50% 50%, rgba(0, 178, 255, 0.1) 0%, transparent 60%);
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #fff, var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        .hero p {
            font-size: 1.2rem;
            color: #ccc;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .search-box {
            max-width: 600px;
            margin: 40px auto;
            background: rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .search-box h3 {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(0, 0, 0, 0.3);
            color: white;
            font-size: 1rem;
        }
        .search-form button {
            padding: 15px 30px;
        }
        main {
            padding: 40px 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: rgba(26, 26, 46, 0.7);
            padding: 40px;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .article-content h2, .article-content h3 {
            margin-top: 2em;
            margin-bottom: 0.8em;
            color: #fff;
        }
        .article-content h2 {
            font-size: 2rem;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        .article-content h3 {
            font-size: 1.5rem;
            color: var(--primary);
        }
        .article-content p {
            margin-bottom: 1.5em;
            color: #ccc;
        }
        .article-content strong {
            color: #fff;
            font-weight: 600;
        }
        .article-content em {
            color: #ffcc00;
        }
        .highlight-box {
            background: rgba(0, 178, 255, 0.1);
            border-left: 4px solid var(--primary);
            padding: 20px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .feature-img {
            width: 100%;
            border-radius: var(--radius);
            margin: 30px 0;
            border: 2px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }
        .feature-img:hover {
            transform: scale(1.01);
            border-color: var(--primary);
        }
        .sidebar-widget {
            background: rgba(26, 26, 46, 0.7);
            padding: 25px;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.05);
            margin-bottom: 30px;
        }
        .sidebar-widget h4 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rating-widget .stars {
            display: flex;
            gap: 5px;
            margin-bottom: 15px;
            color: #FFD700;
            font-size: 1.5rem;
        }
        .rating-form input, .rating-form select, .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 12px 15px;
            margin-bottom: 15px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(0, 0, 0, 0.3);
            color: white;
            font-family: inherit;
        }
        .rating-form button, .comment-form button {
            width: 100%;
        }
        .comment-list {
            margin-top: 20px;
        }
        .comment-item {
            padding: 15px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 8px;
            margin-bottom: 15px;
        }
        .comment-author {
            font-weight: 600;
            color: var(--primary);
        }
        .comment-date {
            font-size: 0.8rem;
            color: var(--gray);
        }
        .footer-links-section {
            padding: 50px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .web-link {
            display: inline-block;
            margin: 10px 15px 10px 0;
            padding: 10px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50px;
            color: #ccc;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(0, 178, 255, 0.2);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background: rgba(10, 10, 20, 0.95);
            padding: 40px 0 20px;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .copyright {
            color: var(--gray);
            font-size: 0.9rem;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .article-content {
                padding: 25px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }