:root {
            --primary-dark: #0a0a12;
            --secondary-dark: #12121f;
            --accent-blue: #3a86ff;
            --accent-teal: #4cc9f0;
            --text-light: #e0e0f0;
            --text-dim: #a0a0c0;
            --border-glow: rgba(74, 134, 255, 0.4);
            --spacing-unit: 1rem;
            --border-radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--primary-dark);
            color: var(--text-light);
            line-height: 1.7;
            max-width: 100vw;
            overflow-x: hidden;
            background-image: radial-gradient(circle at 20% 30%, rgba(58, 134, 255, 0.05) 0%, transparent 20%),
                              radial-gradient(circle at 80% 70%, rgba(76, 201, 240, 0.03) 0%, transparent 20%);
        }
        a {
            color: var(--accent-teal);
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #fff;
            text-shadow: 0 0 8px var(--accent-teal);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--secondary-dark);
            border-bottom: 1px solid var(--border-glow);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-teal));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-teal);
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--text-light);
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--secondary-dark);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            border-top: 1px solid var(--border-glow);
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--text-dim);
        }
        .breadcrumb a { color: var(--text-dim); }
        .breadcrumb a:hover { color: var(--accent-teal); }
        .breadcrumb span { margin: 0 0.5rem; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background-color: rgba(18, 18, 31, 0.7);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            border: 1px solid rgba(58, 134, 255, 0.1);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        h1, h2, h3, h4 {
            color: #fff;
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            background: linear-gradient(90deg, #fff, var(--accent-teal));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            border-bottom: 2px solid var(--accent-blue);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--accent-teal);
            padding-left: 1rem;
            border-left: 4px solid var(--accent-blue);
        }
        h3 { font-size: 1.5rem; color: #c0c0ff; }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: #b0b0ff;
            font-weight: 500;
            padding: 1rem;
            background-color: rgba(58, 134, 255, 0.08);
            border-left: 4px solid var(--accent-blue);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight {
            background-color: rgba(76, 201, 240, 0.15);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border: 1px solid var(--accent-teal);
            margin: 2rem 0;
        }
        .highlight strong { color: var(--accent-teal); }
        .note {
            background-color: rgba(255, 193, 7, 0.1);
            border-left: 4px solid #ffc107;
            padding: 1rem;
            color: #ffd54f;
            margin: 1.5rem 0;
        }
        em { color: var(--accent-teal); font-style: italic; }
        strong { color: #fff; font-weight: 700; }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-blue), #5a4fff);
            color: white;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(58, 134, 255, 0.4);
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(58, 134, 255, 0.6);
            color: white;
        }
        .btn-large {
            font-size: 1.2rem;
            padding: 1.2rem 3rem;
            width: 100%;
            margin: 1.5rem 0;
        }
        .feature-img {
            width: 100%;
            border-radius: var(--border-radius);
            border: 2px solid var(--border-glow);
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            transition: transform 0.5s ease;
        }
        .feature-img:hover {
            transform: scale(1.01);
        }
        .widget {
            background-color: rgba(18, 18, 31, 0.9);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            border: 1px solid rgba(58, 134, 255, 0.1);
        }
        .widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            color: var(--accent-teal);
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 0.8rem;
            margin-bottom: 1.2rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group { display: flex; flex-direction: column; }
        .form-group label { margin-bottom: 0.5rem; font-weight: 600; }
        .form-control {
            padding: 0.9rem;
            background-color: rgba(10, 10, 18, 0.7);
            border: 1px solid rgba(58, 134, 255, 0.3);
            border-radius: var(--border-radius);
            color: var(--text-light);
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent-teal);
            box-shadow: 0 0 0 3px rgba(76, 201, 240, 0.2);
        }
        textarea.form-control { min-height: 120px; resize: vertical; }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.5rem;
            font-size: 1.8rem;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #444;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .comments-list {
            margin-top: 2rem;
        }
        .comment {
            background-color: rgba(255,255,255,0.03);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border-left: 3px solid var(--accent-blue);
        }
        .comment-author {
            font-weight: bold;
            color: var(--accent-teal);
        }
        .comment-date {
            font-size: 0.85rem;
            color: var(--text-dim);
            margin-left: 1rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background-color: rgba(58, 134, 255, 0.1);
            padding: 1rem;
            border-radius: var(--border-radius);
            border: 1px solid rgba(58, 134, 255, 0.3);
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background-color: rgba(58, 134, 255, 0.2);
            transform: translateY(-3px);
        }
        .web-link a {
            color: var(--text-light);
            display: block;
        }
        .site-footer {
            background-color: var(--secondary-dark);
            border-top: 1px solid var(--border-glow);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .copyright {
            color: var(--text-dim);
            font-size: 0.9rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.05);
            width: 100%;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-desktop { display: none; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            .article-content, .widget { padding: 1.5rem; }
            .main-content { gap: 1.5rem; }
        }