* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-dark: #0a0a0f;
            --secondary-dark: #1a1a2e;
            --accent-red: #c1121f;
            --accent-blue: #4cc9f0;
            --text-primary: #f8f9fa;
            --text-secondary: #adb5bd;
            --card-bg: #212529;
            --border-color: #495057;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--primary-dark);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 15% 50%, rgba(76, 201, 240, 0.03) 0%, transparent 20%),
                radial-gradient(circle at 85% 30%, rgba(193, 18, 31, 0.03) 0%, transparent 20%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--accent-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-red);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 60px 0;
        }
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            position: relative;
            padding-bottom: 15px;
            color: var(--accent-blue);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-red), var(--accent-blue));
            border-radius: 2px;
        }
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9);
            border-color: var(--accent-blue);
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, var(--accent-red), #a50f1a);
            color: white;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(90deg, #a50f1a, var(--accent-red));
            transform: scale(1.05);
            text-decoration: none;
            color: white;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-blue);
            color: var(--accent-blue);
        }
        .btn-outline:hover {
            background: var(--accent-blue);
            color: var(--primary-dark);
        }
        header {
            background-color: rgba(10, 10, 15, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            text-decoration: none;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-red));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }
        .logo a:hover {
            text-decoration: none;
            filter: brightness(1.2);
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        .desktop-nav a:hover {
            color: var(--accent-blue);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-red);
            transition: width 0.3s;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--text-primary);
            border-radius: 3px;
            transition: var(--transition);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--secondary-dark);
            padding: 20px;
            border-top: 1px solid var(--border-color);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            color: var(--text-secondary);
        }
        .mobile-nav a:hover {
            color: var(--accent-blue);
            background-color: rgba(255,255,255,0.03);
        }
        .breadcrumb {
            padding: 15px 20px;
            background-color: var(--secondary-dark);
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-blue);
        }
        .hero {
            padding-top: 80px;
            padding-bottom: 60px;
            text-align: center;
            background: linear-gradient(rgba(10,10,15,0.9), rgba(10,10,15,0.9)), url('https://images.unsplash.com/photo-1534423861386-85a16f5d13fd?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
            background: linear-gradient(90deg, #fff, var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.3rem;
            color: var(--text-secondary);
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .main-content {
            min-width: 0; 
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        article h1 {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            line-height: 1.1;
        }
        article h2 {
            font-size: 2.2rem;
            margin: 2.5rem 0 1.5rem;
            color: var(--accent-blue);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        article h3 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: var(--text-primary);
        }
        article h4 {
            font-size: 1.4rem;
            margin: 1.5rem 0 1rem;
            color: var(--text-secondary);
        }
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        article strong {
            color: var(--accent-blue);
            font-weight: 700;
        }
        article em {
            color: var(--text-secondary);
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(76, 201, 240, 0.1), rgba(193, 18, 31, 0.1));
            border-left: 5px solid var(--accent-red);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-secondary);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .float-img-right {
            float: right;
            margin: 0 0 20px 30px;
            max-width: 400px;
            border: 2px solid var(--border-color);
        }
        .functional-box {
            background: var(--secondary-dark);
            border-radius: 12px;
            padding: 25px;
            margin: 30px 0;
        }
        .functional-box h3 {
            margin-top: 0;
            color: var(--accent-blue);
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px 15px;
            background-color: var(--primary-dark);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(76, 201, 240, 0.2);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: var(--border-color);
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .related-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 30px 0;
        }
        .related-link-item {
            background: var(--card-bg);
            padding: 15px;
            border-radius: 8px;
            border-left: 4px solid var(--accent-blue);
            transition: var(--transition);
        }
        .related-link-item:hover {
            background: var(--secondary-dark);
            transform: translateX(5px);
        }
        footer {
            background-color: var(--secondary-dark);
            margin-top: auto;
            padding: 50px 0 20px;
            border-top: 1px solid var(--border-color);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--accent-blue);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
        }
        friend-link {
            display: inline-block;
            background: rgba(76, 201, 240, 0.1);
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            border: 1px solid rgba(76, 201, 240, 0.3);
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(76, 201, 240, 0.2);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 30px; }
        .mt-3 { margin-top: 30px; }
        .py-3 { padding-top: 30px; padding-bottom: 30px; }
        .last-updated {
            color: var(--text-secondary);
            font-style: italic;
            font-size: 0.95rem;
            margin-bottom: 30px;
            text-align: right;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
            article h1 {
                font-size: 2.5rem;
            }
            article h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .float-img-right {
                float: none;
                margin: 20px auto;
                max-width: 100%;
            }
            .header-container {
                padding: 12px 15px;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            section {
                padding: 40px 0;
            }
            .btn {
                padding: 10px 20px;
            }
            .related-links {
                grid-template-columns: 1fr;
            }
        }