* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #f59e0b;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        .logo a:hover {
            color: var(--secondary);
        }
        .search-box {
            display: flex;
            width: 300px;
        }
        .search-box input {
            flex: 1;
            padding: 10px 15px;
            border: 2px solid #e2e8f0;
            border-radius: 30px 0 0 30px;
            font-size: 0.95rem;
            outline: none;
        }
        .search-box button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }
        nav {
            background-color: var(--primary);
        }
        .nav-links {
            display: flex;
            list-style: none;
            justify-content: center;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            color: white;
            padding: 18px 22px;
            display: inline-block;
            font-weight: 500;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        .breadcrumb {
            background-color: #f1f5f9;
            padding: 12px 0;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 8px;
            font-size: 0.8rem;
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background-color: white;
            border-radius: 12px;
            box-shadow: var(--shadow);
            padding: 40px;
            overflow: hidden;
        }
        h1 {
            color: var(--primary);
            font-size: 2.5rem;
            line-height: 1.2;
            margin-bottom: 20px;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 15px;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #e2e8f0;
        }
        .meta-item i {
            margin-right: 5px;
            color: var(--accent);
        }
        h2 {
            color: var(--primary);
            font-size: 1.8rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #e2e8f0;
        }
        h3 {
            color: var(--dark);
            font-size: 1.4rem;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: #fff7ed;
            border-left: 4px solid var(--accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight p:last-child {
            margin-bottom: 0;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat {
            background-color: #eff6ff;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            border-top: 4px solid var(--primary);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 5px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--gray);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
            margin: 30px auto;
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -20px;
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 8px;
        }
        .internal-links {
            background-color: #f8fafc;
            border-radius: 8px;
            padding: 25px;
            margin: 30px 0;
            border: 1px solid #e2e8f0;
        }
        .internal-links h3 {
            margin-top: 0;
            color: var(--primary);
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }
        .links-grid a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 15px;
            background-color: white;
            border-radius: 6px;
            border: 1px solid #e2e8f0;
            transition: var(--transition);
        }
        .links-grid a:hover {
            border-color: var(--primary);
            background-color: #eff6ff;
            transform: translateY(-3px);
        }
        .links-grid i {
            color: var(--secondary);
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background-color: white;
            border-radius: 12px;
            box-shadow: var(--shadow);
            padding: 25px;
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f1f5f9;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--accent);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark);
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px 15px;
            border: 1px solid #cbd5e1;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 5px 0;
        }
        .stars i {
            color: #d1d5db;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: var(--accent);
        }
        button[type="submit"] {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 14px 20px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        button[type="submit"]:hover {
            background-color: var(--secondary);
            transform: translateY(-2px);
        }
        footer {
            background-color: var(--dark);
            color: #cbd5e1;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: white;
            margin-bottom: 20px;
            display: block;
        }
        .footer-description {
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .footer-links h3,
        friend-link h3 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #334155;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .footer-links i {
            color: var(--accent);
            font-size: 0.8rem;
        }
        friend-link {
            display: block;
        }
        friend-link ul {
            list-style: none;
            margin-left: 0;
        }
        friend-link li {
            margin-bottom: 12px;
        }
        friend-link a {
            transition: var(--transition);
        }
        friend-link a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.2rem;
            }
            .stats-box {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                gap: 15px;
            }
            .search-box {
                order: 3;
                width: 100%;
                margin-top: 10px;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                box-shadow: var(--shadow);
            }
            .nav-links {
                flex-direction: column;
            }
            .nav-links a {
                padding: 15px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .nav-active {
                display: block;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
            article {
                padding: 25px;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
            .links-grid {
                grid-template-columns: 1fr;
            }
        }
        .interactive-box {
            background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
            color: white;
            padding: 30px;
            border-radius: 12px;
            margin: 40px 0;
            text-align: center;
        }
        .interactive-box h3 {
            color: white;
            margin-top: 0;
        }
        .price-slider {
            margin: 30px 0;
        }
        .slider-container {
            background-color: rgba(255, 255, 255, 0.1);
            height: 8px;
            border-radius: 4px;
            position: relative;
            margin: 20px 0 40px;
        }
        .slider-fill {
            background-color: var(--accent);
            height: 100%;
            width: 60%;
            border-radius: 4px;
        }
        .slider-handle {
            position: absolute;
            top: 50%;
            left: 60%;
            transform: translate(-50%, -50%);
            width: 24px;
            height: 24px;
            background-color: white;
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .slider-labels {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        .keyword {
            background-color: #fef3c7;
            color: #92400e;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .author-bio {
            display: flex;
            align-items: center;
            gap: 20px;
            background-color: #f8fafc;
            padding: 25px;
            border-radius: 8px;
            margin-top: 40px;
            border-left: 4px solid var(--accent);
        }
        .author-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
            flex-shrink: 0;
        }
        .author-info h4 {
            color: var(--primary);
            margin-bottom: 5px;
        }
        .author-info p {
            margin-bottom: 0;
            font-size: 0.95rem;
            color: var(--gray);
        }