:root {
            --primary-dark: #0a192f;
            --primary-accent: #64ffda;
            --secondary-accent: #8892b0;
            --text-light: #ccd6f6;
            --text-gray: #a8b2d1;
            --card-bg: #112240;
            --hover-bg: #233554;
            --danger: #ff5555;
            --warning: #f1fa8c;
            --success: #50fa7b;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--primary-dark);
            color: var(--text-light);
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffffff;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(10, 25, 47, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--secondary-accent);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-accent);
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--text-light);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            color: var(--text-gray);
            font-weight: 500;
            padding: 5px 0;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-accent);
            transition: width 0.3s ease;
        }
        nav a:hover::after,
        nav a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            background-color: var(--card-bg);
            padding: 15px 0;
            margin-bottom: 30px;
            border-radius: 0 0 8px 8px;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: var(--secondary-accent);
        }
        .search-container {
            background: linear-gradient(135deg, var(--card-bg) 0%, #1a2a4a 100%);
            padding: 25px;
            border-radius: 12px;
            margin: 30px 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid var(--secondary-accent);
            border-radius: 50px 0 0 50px;
            background: var(--primary-dark);
            color: var(--text-light);
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            padding: 0 30px;
            background: var(--primary-accent);
            color: var(--primary-dark);
            border: none;
            border-radius: 0 50px 50px 0;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #7bffd6;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: var(--card-bg);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--primary-accent);
            line-height: 1.3;
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--hover-bg);
            color: var(--text-light);
        }
        h3 {
            font-size: 1.5rem;
            margin: 30px 0 15px;
            color: var(--text-gray);
        }
        p {
            margin-bottom: 20px;
            color: var(--text-gray);
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 300;
            margin-bottom: 30px;
        }
        strong {
            color: var(--text-light);
            font-weight: 600;
        }
        em {
            color: var(--warning);
        }
        .info-box, .warning-box, .tip-box {
            padding: 25px;
            border-left: 5px solid;
            border-radius: 8px;
            margin: 30px 0;
            background-color: var(--hover-bg);
        }
        .info-box {
            border-color: var(--primary-accent);
        }
        .warning-box {
            border-color: var(--danger);
        }
        .tip-box {
            border-color: var(--success);
        }
        .feature-img {
            width: 100%;
            border-radius: 12px;
            margin: 30px 0;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
            transition: transform 0.5s ease;
        }
        .feature-img:hover {
            transform: scale(1.02);
        }
        .steps {
            list-style: none;
            counter-reset: step-counter;
        }
        .steps li {
            counter-increment: step-counter;
            margin-bottom: 25px;
            padding-left: 50px;
            position: relative;
        }
        .steps li::before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 0;
            background: var(--primary-accent);
            color: var(--primary-dark);
            width: 35px;
            height: 35px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        aside {
            background-color: var(--card-bg);
            border-radius: 12px;
            padding: 25px;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h4 {
            color: var(--primary-accent);
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--hover-bg);
        }
        .sidebar-list {
            list-style: none;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--secondary-accent);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .rating-widget {
            text-align: center;
            padding: 20px;
            background: linear-gradient(135deg, var(--hover-bg) 0%, var(--card-bg) 100%);
            border-radius: 12px;
        }
        .stars {
            font-size: 2rem;
            color: var(--warning);
            margin: 15px 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: color 0.2s;
        }
        .stars i:hover,
        .stars i.active {
            color: gold;
        }
        .rating-form button {
            margin-top: 15px;
            padding: 12px 25px;
            background: var(--primary-accent);
            color: var(--primary-dark);
            border: none;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            width: 100%;
        }
        .rating-form button:hover {
            background: #7bffd6;
            transform: translateY(-3px);
        }
        .comments-section {
            background-color: var(--card-bg);
            border-radius: 12px;
            padding: 40px;
            margin-top: 50px;
        }
        .comment-form textarea {
            width: 100%;
            padding: 20px;
            background: var(--primary-dark);
            border: 2px solid var(--secondary-accent);
            border-radius: 12px;
            color: var(--text-light);
            font-size: 1rem;
            margin-bottom: 20px;
            resize: vertical;
            min-height: 150px;
        }
        .comment-form input {
            width: 100%;
            padding: 15px;
            background: var(--primary-dark);
            border: 2px solid var(--secondary-accent);
            border-radius: 12px;
            color: var(--text-light);
            font-size: 1rem;
            margin-bottom: 20px;
        }
        .comment-form button {
            padding: 15px 40px;
            background: var(--primary-accent);
            color: var(--primary-dark);
            border: none;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
            float: right;
        }
        .comment-form button:hover {
            background: #7bffd6;
        }
        .comment {
            background-color: var(--hover-bg);
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 25px;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin: 50px 0;
        }
        @media (max-width: 768px) {
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        .web-link {
            background: var(--card-bg);
            padding: 20px;
            border-radius: 8px;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            background: var(--hover-bg);
        }
        footer {
            background-color: #050e1c;
            padding: 50px 0 20px;
            margin-top: 50px;
            border-top: 1px solid var(--secondary-accent);
        }
        .footer-container {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h5 {
            color: var(--primary-accent);
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid var(--secondary-accent);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            article { padding: 25px; }
            .header-container { padding: 15px; }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--primary-dark);
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
                border-top: 1px solid var(--secondary-accent);
            }
            nav.active ul {
                display: flex;
            }
            .hamburger { display: block; }
        }