        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a1f2e;
            --secondary: #2d3748;
            --accent: #00a8ff;
            --accent-hover: #0097e6;
            --text: #e2e8f0;
            --text-muted: #a0aec0;
            --border: #4a5568;
            --card-bg: rgba(45, 55, 72, 0.7);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            background: linear-gradient(135deg, #0f1419 0%, #1a1f2e 100%);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }
        .header {
            background: rgba(26, 31, 46, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00a8ff, #9c88ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            letter-spacing: 1px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-link {
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 4px;
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--accent);
            background: rgba(0, 168, 255, 0.1);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
            transform: translateX(-50%);
        }
        .nav-link:hover::after {
            width: 80%;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 10px;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--primary);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 20px;
            border-top: 1px solid var(--border);
            gap: 1rem;
        }
        .nav-mobile.active {
            display: flex;
        }
        .breadcrumb {
            max-width: 1400px;
            margin: 20px auto;
            padding: 0 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb span {
            color: var(--text-muted);
            margin: 0 8px;
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .main-content {
            padding: 30px 0;
        }
        .sidebar {
            padding: 30px 0;
        }
        .widget {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 30px;
            border: 1px solid var(--border);
        }
        .widget-title {
            color: var(--accent);
            font-size: 1.2rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid var(--border);
            border-radius: 6px;
            color: var(--text);
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: var(--accent);
        }
        .search-btn {
            background: var(--accent);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 6px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-btn:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 20px 0;
        }
        .star {
            color: var(--text-muted);
            cursor: pointer;
            font-size: 1.8rem;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffd700;
        }
        .rating-count {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-label {
            color: var(--text);
            font-weight: 500;
        }
        .form-input,
        .form-textarea {
            padding: 12px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid var(--border);
            border-radius: 6px;
            color: var(--text);
            font-size: 1rem;
            font-family: inherit;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: var(--accent);
            color: white;
            border: none;
            padding: 15px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .submit-btn:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
        }
        h1 {
            font-size: 3rem;
            background: linear-gradient(90deg, #00a8ff, #9c88ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 30px;
        }
        .featured-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 12px;
            margin: 30px 0;
            border: 2px solid var(--border);
        }
        h2 {
            font-size: 2rem;
            color: var(--accent);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--text);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(0, 168, 255, 0.1);
            padding: 25px;
            border-left: 4px solid var(--accent);
            border-radius: 0 8px 8px 0;
            margin: 30px 0;
        }
        .tip {
            background: rgba(156, 136, 255, 0.1);
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }
        .tip-icon {
            color: #9c88ff;
            font-size: 1.5rem;
            flex-shrink: 0;
            margin-top: 5px;
        }
        .internal-link {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border-bottom: 2px dotted transparent;
        }
        .internal-link:hover {
            border-bottom-color: var(--accent);
            padding-bottom: 2px;
        }
        .related-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .link-card {
            background: var(--card-bg);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border);
            transition: var(--transition);
            text-decoration: none;
            color: var(--text);
        }
        .link-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        }
        .link-card i {
            color: var(--accent);
            margin-bottom: 10px;
            font-size: 1.5rem;
        }
        .footer {
            background: var(--primary);
            margin-top: 80px;
            padding: 60px 20px 30px;
            border-top: 1px solid var(--border);
        }
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
        }
        .friend-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 8px 15px;
            border-radius: 20px;
            text-decoration: none;
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .friend-link:hover {
            background: var(--accent);
            color: white;
        }
        .copyright {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding-top: 30px;
            border-top: 1px solid var(--border);
        }
        @media (max-width: 1024px) {
            .container {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.5rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                height: 60px;
            }
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .featured-image {
                height: 300px;
            }
            .related-links {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .header-container {
                padding: 0 15px;
            }
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 1.8rem;
            }
            .featured-image {
                height: 200px;
            }
            .search-form {
                flex-direction: column;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease forwards;
        }
        .stagger-delay-1 { animation-delay: 0.1s; }
        .stagger-delay-2 { animation-delay: 0.2s; }
        .stagger-delay-3 { animation-delay: 0.3s; }
        .lazy-load {
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .lazy-load.loaded {
            opacity: 1;
        }
