* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #5DADE2;  
            --secondary: #58D68D; 
            --accent: #F4D03F;   
            --dark: #2C3E50;
            --light: #F8F9F9;
            --gray: #95A5A6;
            --text: #34495E;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--light);
            font-size: 18px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        .logo span {
            color: var(--accent);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background-color: var(--primary);
            color: white;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: white;
            box-shadow: var(--shadow);
            padding: 20px;
            border-top: 2px solid var(--light);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 15px 0;
        }
        .mobile-nav a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            display: block;
            padding: 10px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: var(--primary);
            color: white;
        }
        .breadcrumb {
            background: linear-gradient(135deg, var(--light) 0%, #e8f4fc 100%);
            padding: 15px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid #e0e0e0;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            text-decoration: none;
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: var(--gray);
        }
        .breadcrumb li:last-child a {
            color: var(--dark);
            font-weight: 600;
        }
        .search-container {
            background: linear-gradient(135deg, var(--primary), #3498db);
            padding: 40px 0;
            margin-bottom: 40px;
            border-radius: var(--radius);
            text-align: center;
            color: white;
        }
        .search-container h2 {
            margin-bottom: 20px;
            font-size: 2rem;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            box-shadow: var(--shadow);
        }
        .search-btn {
            background: var(--accent);
            color: var(--dark);
            border: none;
            padding: 0 35px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.1rem;
        }
        .search-btn:hover {
            background: #f1c40f;
            transform: translateY(-2px);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 768px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--dark);
            font-size: 2.8rem;
            margin-bottom: 25px;
            line-height: 1.2;
        }
        h2 {
            color: var(--primary);
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
        }
        h3 {
            color: var(--dark);
            font-size: 1.6rem;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            background: linear-gradient(135deg, #f8f9f9, #e8f4fc);
            padding: 25px;
            border-radius: var(--radius);
            border-left: 5px solid var(--accent);
            margin-bottom: 40px;
        }
        .highlight {
            background-color: #fffacd;
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .price-box {
            background: linear-gradient(135deg, #e8f6f3, #d1f2eb);
            border: 3px dashed var(--secondary);
            padding: 30px;
            border-radius: var(--radius);
            text-align: center;
            margin: 30px 0;
        }
        .price {
            font-size: 3.5rem;
            color: #27ae60;
            font-weight: 800;
            margin: 10px 0;
        }
        .currency {
            font-size: 1.5rem;
            color: var(--dark);
        }
        .featured-image {
            width: 100%;
            border-radius: var(--radius);
            margin: 30px 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }
        aside {
            background: white;
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid #eee;
        }
        .price-ticker {
            background: #f8f9f9;
            padding: 20px;
            border-radius: var(--radius);
            text-align: center;
        }
        .current-price {
            font-size: 2.2rem;
            color: #e74c3c;
            font-weight: 800;
        }
        .price-change {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-weight: 600;
            margin-top: 10px;
        }
        .positive {
            background-color: #d5f4e6;
            color: #27ae60;
        }
        .negative {
            background-color: #fadbd8;
            color: #e74c3c;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent);
        }
        .rating-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
            margin-top: 15px;
        }
        .rating-btn:hover {
            background: #2980b9;
            transform: translateY(-2px);
        }
        .comments-section {
            background: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 40px 0;
        }
        .comment-form {
            display: grid;
            gap: 20px;
            margin-bottom: 40px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            padding: 15px;
            border: 2px solid #e0e0e0;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(93, 173, 226, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(135deg, var(--secondary), #2ecc71);
            color: white;
            border: none;
            padding: 18px 30px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(46, 204, 113, 0.3);
        }
        .web-links-container {
            background: linear-gradient(135deg, #f8f9f9, #e8f4fc);
            padding: 40px 0;
            margin: 50px 0 30px;
            border-top: 2px solid var(--primary);
            border-bottom: 2px solid var(--primary);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: white;
            padding: 20px;
            border-radius: var(--radius);
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .web-link a {
            text-decoration: none;
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .web-link a:hover {
            color: #2980b9;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
            display: block;
        }
        .footer-logo span {
            color: var(--accent);
        }
        .footer-section h3 {
            color: var(--accent);
            font-size: 1.4rem;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #34495E;
            color: #95A5A6;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 2.4rem;
            }
            article, aside {
                padding: 25px;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .search-form {
                flex-direction: column;
            }
            .search-btn {
                justify-content: center;
                padding: 18px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .price {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 480px) {
            body {
                font-size: 16px;
            }
            .header-container {
                padding: 12px 0;
            }
            .logo {
                font-size: 1.6rem;
            }
            .search-container {
                padding: 25px 0;
            }
            .search-container h2 {
                font-size: 1.5rem;
            }
            article, .comments-section {
                padding: 20px;
            }
            .price-box {
                padding: 20px;
            }
            .price {
                font-size: 2.2rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, aside, .comments-section {
            animation: fadeIn 0.6s ease-out;
        }
        .text-center {
            text-align: center;
        }
        .mt-4 {
            margin-top: 40px;
        }
        .mb-4 {
            margin-bottom: 40px;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 3px;
        }