:root {
            --primary-color: #FF3B30;
            --secondary-color: #1A1A2E;
            --accent-color: #00D4FF;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --background-dark: #0F0F1A;
            --background-card: #1E1E2E;
            --border-color: #333344;
            --shadow-color: rgba(255, 59, 48, 0.2);
            --gradient: linear-gradient(135deg, #FF3B30 0%, #0066FF 100%);
            --transition: all 0.3s ease;
            --border-radius: 12px;
            --container-width: 1200px;
        }
        * {
            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-primary);
            background-color: var(--background-dark);
            background-image: 
                radial-gradient(circle at 20% 30%, rgba(255, 59, 48, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.05) 0%, transparent 20%);
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h1 {
            font-size: 3.5rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: 1rem;
        }
        h2 {
            font-size: 2.5rem;
            border-left: 5px solid var(--primary-color);
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--accent-color);
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: var(--text-secondary);
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-decoration: none;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
            transition: var(--transition);
        }
        .logo:hover {
            transform: scale(1.05);
            text-shadow: 0 0 20px var(--shadow-color);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 16px;
            border-radius: var(--border-radius);
            transition: var(--transition);
            position: relative;
        }
        .desktop-nav a:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--gradient);
            transition: var(--transition);
            border-radius: 3px;
        }
        .desktop-nav a:hover::after {
            width: 80%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 10px;
            transition: var(--transition);
        }
        .mobile-menu-btn:hover {
            color: var(--primary-color);
        }
        @media (max-width: 992px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--background-card);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 20px;
            border-top: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: var(--text-primary);
            text-decoration: none;
            padding: 15px;
            border-bottom: 1px solid var(--border-color);
            font-weight: 600;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 59, 48, 0.1);
            padding-left: 25px;
            color: var(--primary-color);
        }
        .breadcrumb {
            padding: 20px 0;
            background-color: rgba(26, 26, 46, 0.5);
            margin-top: 10px;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: var(--text-secondary);
        }
        .hero {
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-radius: var(--border-radius);
            margin-bottom: 40px;
            background: 
                linear-gradient(rgba(15, 15, 26, 0.9), rgba(26, 26, 46, 0.9)),
                url('https://images.unsplash.com/photo-1551524165-6b6e5a6166f3?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
        }
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            color: var(--text-primary);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-bottom: 60px;
        }
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--background-card);
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background-color: var(--background-card);
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        .widget h3 {
            margin-top: 0;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .feature-box {
            background: rgba(26, 26, 46, 0.7);
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 30px 0;
            border-left: 5px solid var(--accent-color);
            transition: var(--transition);
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px var(--shadow-color);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px var(--shadow-color);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--gradient);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px var(--shadow-color);
        }
        .btn-block {
            display: block;
            width: 100%;
        }
        .rating-system {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
            background: rgba(26, 26, 46, 0.5);
            border-radius: var(--border-radius);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
            font-size: 2rem;
        }
        .star {
            color: #555566;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #FFD700;
            transform: scale(1.2);
        }
        .article-image {
            width: 100%;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .highlight {
            background: var(--gradient);
            color: white;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 700;
        }
        .tip {
            background-color: rgba(0, 212, 255, 0.1);
            border-left: 5px solid var(--accent-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .warning {
            background-color: rgba(255, 59, 48, 0.1);
            border-left: 5px solid var(--primary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 50px 0;
        }
        .web-link {
            background-color: var(--background-card);
            padding: 15px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255, 59, 48, 0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 600;
            display: block;
            transition: var(--transition);
        }
        .web-link:hover a {
            color: var(--primary-color);
        }
        footer {
            background-color: var(--secondary-color);
            padding: 60px 0 30px;
            margin-top: 60px;
            border-top: 1px solid var(--border-color);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            .article-content {
                padding: 25px;
            }
            .hero {
                padding: 40px 20px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }