* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #00d9ff;
            --secondary-color: #ff009d;
            --dark-bg: #0a0a14;
            --darker-bg: #05050a;
            --card-bg: #111120;
            --text-color: #e0e0ff;
            --text-muted: #8a8aa3;
            --accent-purple: #9d4edd;
            --accent-cyan: #00f5d4;
            --border-radius: 8px;
            --transition: all 0.3s ease;
            --shadow: 0 8px 24px rgba(0, 217, 255, 0.15);
            --shadow-hover: 0 12px 32px rgba(0, 217, 255, 0.25);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-purple));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            margin-bottom: 1.5rem;
            text-shadow: 0 4px 8px rgba(0, 217, 255, 0.2);
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            margin-top: 2.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(0, 217, 255, 0.3);
        }
        h3 {
            font-size: clamp(1.4rem, 3vw, 1.9rem);
            margin-top: 2rem;
        }
        h4 {
            font-size: clamp(1.1rem, 2.5vw, 1.5rem);
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(10, 10, 20, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 217, 255, 0.2);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            text-decoration: none;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: translateY(-2px);
            text-shadow: 0 6px 12px rgba(0, 217, 255, 0.3);
        }
        .my-logo i {
            font-size: 1.8rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a:hover {
            background: rgba(0, 217, 255, 0.1);
            color: var(--primary-color);
            transform: translateY(-2px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--primary-color);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: var(--primary-color);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: rgba(17, 17, 32, 0.7);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0, 217, 255, 0.1);
        }
        .article-intro {
            font-size: 1.2rem;
            color: var(--accent-cyan);
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: rgba(0, 217, 255, 0.05);
            border-left: 4px solid var(--primary-color);
            border-radius: var(--border-radius);
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(157, 78, 221, 0.1), rgba(0, 217, 255, 0.1));
            border: 1px solid rgba(0, 217, 255, 0.2);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .troubleshooting-steps {
            background: rgba(10, 10, 20, 0.8);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 2rem 0;
        }
        .step {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .step-number {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-purple));
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
        }
        .internal-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2.5rem 0;
        }
        .internal-link-card {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 1.2rem;
            transition: var(--transition);
            border: 1px solid transparent;
            text-decoration: none;
            display: block;
        }
        .internal-link-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-color);
            box-shadow: var(--shadow-hover);
        }
        .internal-link-card h4 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        .article-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            border: 2px solid rgba(0, 217, 255, 0.3);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: rgba(17, 17, 32, 0.7);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            border: 1px solid rgba(0, 217, 255, 0.1);
        }
        .widget-title {
            color: var(--primary-color);
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(0, 217, 255, 0.3);
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(0, 217, 255, 0.3);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            color: var(--text-color);
            font-size: 1rem;
        }
        .search-button {
            background: linear-gradient(45deg, var(--primary-color), var(--accent-purple));
            border: none;
            color: white;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            opacity: 0.9;
            transform: scale(1.05);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffd700;
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            min-height: 120px;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(0, 217, 255, 0.3);
            border-radius: var(--border-radius);
            color: var(--text-color);
            resize: vertical;
            margin-bottom: 1rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group input {
            width: 100%;
            padding: 0.8rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(0, 217, 255, 0.3);
            border-radius: var(--border-radius);
            color: var(--text-color);
        }
        .submit-button {
            background: linear-gradient(45deg, var(--primary-color), var(--accent-purple));
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .submit-button:hover {
            opacity: 0.9;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .update-info {
            background: rgba(0, 245, 212, 0.1);
            border: 1px solid var(--accent-cyan);
            border-radius: var(--border-radius);
            padding: 1rem;
            margin-top: 2rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .site-footer {
            background: var(--darker-bg);
            border-top: 1px solid rgba(0, 217, 255, 0.2);
            margin-top: 4rem;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-links a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        friend-link {
            display: inline-block;
            background: rgba(0, 217, 255, 0.1);
            border: 1px solid rgba(0, 217, 255, 0.3);
            border-radius: var(--border-radius);
            padding: 0.8rem 1.2rem;
            margin: 0.5rem;
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(0, 217, 255, 0.2);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .friend-links-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
            margin: 2rem 0;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .internal-links {
                grid-template-columns: 1fr;
            }
            .step {
                flex-direction: column;
            }
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(0, 217, 255, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(0, 217, 255, 0); }
            100% { box-shadow: 0 0 0 0 rgba(0, 217, 255, 0); }
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        .text-gradient {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3em;
        }
        .highlight {
            background: rgba(0, 217, 255, 0.1);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            color: var(--primary-color);
            font-weight: 600;
        }