        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-blue: #2a5ba7;
            --accent-orange: #ff7b00;
            --dark-bg: #0f172a;
            --light-bg: #f8fafc;
            --text-dark: #1e293b;
            --text-light: #64748b;
            --card-bg: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-orange);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--dark-bg);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, var(--accent-orange), #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .breadcrumb {
            background-color: #e2e8f0;
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-blue);
        }
        .breadcrumb span {
            color: var(--text-dark);
            font-weight: 500;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: #cbd5e1;
            font-weight: 500;
            font-size: 1rem;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: white;
            background-color: rgba(255, 123, 0, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: white;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }
        .search-box {
            margin-left: 2rem;
            position: relative;
        }
        .search-box input {
            padding: 10px 15px 10px 40px;
            border-radius: 30px;
            border: 1px solid #475569;
            background-color: #1e293b;
            color: white;
            width: 250px;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .search-box input:focus {
            outline: none;
            width: 280px;
            border-color: var(--accent-orange);
        }
        .search-box i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #94a3b8;
        }
        main {
            padding: 2rem 0 4rem;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 2px solid #e2e8f0;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-bg);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: var(--text-light);
            font-size: 0.95rem;
            margin-top: 1.5rem;
        }
        .hero-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2.5rem auto;
            box-shadow: var(--shadow);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--card-bg);
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--text-dark);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--accent-orange);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
            border-left: 5px solid var(--primary-blue);
            padding: 1.8rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight-box strong {
            color: var(--primary-blue);
            font-size: 1.1rem;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        code {
            background-color: #f1f5f9;
            padding: 3px 8px;
            border-radius: 4px;
            font-family: 'Courier New', monospace;
            color: #dc2626;
            font-size: 0.95rem;
        }
        .code-block {
            background-color: #1e293b;
            color: #e2e8f0;
            padding: 1.5rem;
            border-radius: 8px;
            overflow-x: auto;
            margin: 1.5rem 0;
            font-family: 'Courier New', monospace;
            font-size: 1rem;
            line-height: 1.5;
        }
        .inline-link {
            font-weight: 600;
            border-bottom: 1px dashed var(--primary-blue);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background-color: var(--card-bg);
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--primary-blue);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .related-links {
            list-style: none;
            padding-left: 0;
        }
        .related-links li {
            margin-bottom: 0.9rem;
            padding-bottom: 0.9rem;
            border-bottom: 1px dotted #e2e8f0;
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links i {
            color: var(--accent-orange);
            font-size: 0.9rem;
        }
        .user-interaction {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e2e8f0;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 1.5rem;
        }
        .form-container {
            background-color: var(--card-bg);
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .form-title {
            font-size: 1.4rem;
            color: var(--primary-blue);
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--text-dark);
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #cbd5e1;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(42, 91, 167, 0.1);
        }
        .rating {
            display: flex;
            gap: 8px;
            margin: 10px 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.8rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: var(--transition);
            margin: 0;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffcc00;
        }
        button[type="submit"] {
            background: linear-gradient(90deg, var(--primary-blue), #3b82f6);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        button[type="submit"]:hover {
            background: linear-gradient(90deg, #1e4a9c, var(--primary-blue));
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(42, 91, 167, 0.2);
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            margin-bottom: 1rem;
            background: linear-gradient(90deg, var(--accent-orange), #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .footer-links h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #94a3b8;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            padding: 12px 15px;
            background-color: #1e293b;
            border-radius: 6px;
            margin-bottom: 10px;
            border-left: 4px solid var(--accent-orange);
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: #334155;
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background-color: var(--dark-bg);
                width: 100%;
                max-width: 300px;
                height: calc(100vh - 70px);
                padding: 2rem;
                transition: var(--transition);
                box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
            }
            .nav-links.active {
                right: 0;
            }
            .search-box {
                margin-left: 0;
                margin-top: 1rem;
                width: 100%;
            }
            .search-box input {
                width: 100%;
            }
            .search-box input:focus {
                width: 100%;
            }
            .header-content {
                flex-wrap: wrap;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content, .widget {
            animation: fadeIn 0.6s ease-out;
        }
        .pulse {
            display: inline-block;
            animation: pulse 2s infinite;
            color: var(--accent-orange);
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(135deg, #f8fafc, #e2e8f0);
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            border-top: 4px solid var(--primary-blue);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-blue);
            line-height: 1;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 0.5rem;
        }
