:root {
            --primary-neon: #00f3ff;
            --secondary-neon: #ff00ff;
            --dark-bg: #0a0a14;
            --darker-bg: #05050a;
            --surface: #111122;
            --surface-glow: #1a1a33;
            --text-primary: #e0e0f0;
            --text-secondary: #a0a0c0;
            --accent-warning: #ffaa00;
            --grid-line: rgba(0, 243, 255, 0.05);
            font-size: 16px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--dark-bg);
            color: var(--text-primary);
            background-image:
                linear-gradient(var(--grid-line) 1px, transparent 1px),
                linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
            background-size: 50px 50px;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-neon);
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: var(--secondary-neon);
            text-shadow: 0 0 8px currentColor;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: rgba(10, 10, 20, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--surface-glow);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Orbitron', monospace;
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-neon), var(--secondary-neon));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            letter-spacing: 1px;
            text-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
        }
        .my-logo:hover {
            text-shadow: 0 0 20px rgba(255, 0, 255, 0.5);
        }
        .breadcrumb {
            margin: 1rem 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .breadcrumb a {
            margin: 0 5px;
        }
        .breadcrumb a:first-child {
            margin-left: 0;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--primary-neon);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            padding: 0.5rem 0;
            position: relative;
            font-weight: 500;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-neon);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .search-container {
            background: var(--surface);
            border: 1px solid var(--surface-glow);
            border-radius: 30px;
            padding: 15px 25px;
            margin: 2rem auto;
            max-width: 700px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.1rem;
            padding: 10px;
            outline: none;
        }
        .search-btn {
            background: linear-gradient(45deg, var(--primary-neon), var(--secondary-neon));
            border: none;
            border-radius: 50%;
            width: 45px;
            height: 45px;
            color: var(--dark-bg);
            font-size: 1.2rem;
            cursor: pointer;
            transition: transform 0.3s ease;
        }
        .search-btn:hover {
            transform: scale(1.1);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background: rgba(17, 17, 34, 0.7);
            border-radius: 10px;
            padding: 2.5rem;
            border: 1px solid var(--surface-glow);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .last-updated {
            text-align: right;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed var(--surface-glow);
        }
        h1 {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, var(--primary-neon), var(--text-primary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
            border-left: 5px solid var(--primary-neon);
            padding-left: 20px;
        }
        h2 {
            font-size: 2.2rem;
            margin: 2.5rem 0 1.2rem 0;
            color: var(--primary-neon);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--surface-glow);
        }
        h3 {
            font-size: 1.7rem;
            margin: 2rem 0 1rem 0;
            color: var(--text-primary);
        }
        h4 {
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem 0;
            color: var(--text-secondary);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-secondary);
            font-style: italic;
            border-left: 3px solid var(--secondary-neon);
            padding-left: 20px;
            margin: 2rem 0;
        }
        .highlight {
            background-color: rgba(0, 243, 255, 0.1);
            border-left: 4px solid var(--primary-neon);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 8px;
            border: 1px solid var(--surface-glow);
            margin: 2rem auto;
            display: block;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.7);
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .content-img:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 30px rgba(0, 243, 255, 0.2);
        }
        .link-list {
            background: var(--surface);
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
        }
        .link-list li {
            padding: 10px 15px;
            border-left: 3px solid transparent;
            transition: all 0.3s ease;
        }
        .link-list li:hover {
            border-left-color: var(--secondary-neon);
            background: rgba(255, 0, 255, 0.05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: var(--surface);
            border: 1px solid var(--surface-glow);
            border-radius: 10px;
            padding: 1.5rem;
        }
        .rating-widget h3, .comment-widget h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--accent-warning);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 1.8rem;
            color: #444;
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars label:hover,
        .stars label:hover ~ label {
            color: var(--accent-warning);
        }
        .stars input:checked ~ label {
            color: var(--accent-warning);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-input, .form-textarea {
            background: var(--darker-bg);
            border: 1px solid var(--surface-glow);
            border-radius: 5px;
            padding: 12px;
            color: var(--text-primary);
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-neon);
        }
        .form-btn {
            background: linear-gradient(45deg, var(--primary-neon), var(--secondary-neon));
            border: none;
            border-radius: 5px;
            padding: 12px;
            color: var(--dark-bg);
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .form-btn:hover {
            transform: translateY(-3px);
        }
        .site-footer {
            background-color: var(--darker-bg);
            border-top: 1px solid var(--surface-glow);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: var(--primary-neon);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 8px 15px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 5px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(0, 243, 255, 0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid var(--surface-glow);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            :root { font-size: 15px; }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.8rem; }
            .header-content { flex-wrap: wrap; }
            .hamburger { display: block; }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0;
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav a {
                padding: 12px 0;
                border-bottom: 1px solid var(--surface-glow);
            }
            .article-body { padding: 1.5rem; }
            .link-list ul { grid-template-columns: 1fr; }
        }