:root {
            --primary: #6a11cb;
            --secondary: #2575fc;
            --accent: #ff5e62;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--secondary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: linear-gradient(to right, var(--dark), var(--primary));
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(to right, #ff7e5f, #feb47b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .logo a {
            color: inherit;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-desktop a:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--dark);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 0.75rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: var(--light);
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb i {
            color: var(--gray);
            font-size: 0.8rem;
        }
        .search-box {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-bottom: 2.5rem;
            text-align: center;
        }
        .search-box h2 {
            margin-bottom: 1rem;
            color: var(--primary);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 0.85rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            border-color: var(--secondary);
        }
        .search-btn {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: linear-gradient(to right, var(--secondary), var(--primary));
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .article h1 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            color: var(--dark);
            line-height: 1.3;
        }
        .article-meta {
            color: var(--gray);
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .article-meta i {
            margin-right: 0.5rem;
        }
        .article h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            color: var(--primary);
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #eaeaea;
        }
        .article h3 {
            font-size: 1.4rem;
            margin: 2rem 0 1rem;
            color: var(--secondary);
        }
        .article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(106, 17, 203, 0.1) 0%, rgba(37, 117, 252, 0.1) 100%);
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip-box {
            background: #fff9e6;
            border: 1px solid #ffd166;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .tip-box h4 {
            color: #e6b800;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .hero-card {
            background: var(--light);
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
            border: 1px solid #dee2e6;
        }
        .hero-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .hero-card h4 {
            color: var(--dark);
            margin: 1rem 0 0.5rem;
        }
        .rating {
            color: #ffc107;
            margin-bottom: 0.5rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.75rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px dashed #eee;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: var(--dark);
        }
        .link-list a:hover {
            color: var(--accent);
        }
        .link-list i {
            color: var(--secondary);
        }
        .interactive-section {
            margin: 3rem 0;
            padding: 2rem;
            background: linear-gradient(135deg, #fdfcfb 0%, #f5f7fa 100%);
            border-radius: 12px;
            border: 1px solid #e0e6ef;
        }
        .interactive-section h2 {
            text-align: center;
            color: var(--primary);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 0.85rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--secondary);
            outline: none;
            box-shadow: 0 0 0 0.2rem rgba(37, 117, 252, 0.25);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .star-rating i {
            color: #ddd;
            transition: var(--transition);
        }
        .star-rating i.active,
        .star-rating i:hover,
        .star-rating i:hover ~ i {
            color: #ffc107;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            padding: 0.85rem 2rem;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(to right, var(--secondary), var(--primary));
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(37, 117, 252, 0.3);
        }
        .footer-links {
            background: var(--dark);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        .web-link a {
            color: #ddd;
            display: block;
            font-weight: 500;
        }
        .web-link a:hover {
            color: white;
        }
        .footer {
            background: #0f0f1a;
            color: #aaa;
            padding: 2rem 0;
            text-align: center;
        }
        .footer p {
            margin-bottom: 0.5rem;
        }
        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        .social-links a {
            color: #aaa;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--secondary);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article {
                padding: 1.5rem;
            }
            .article h1 {
                font-size: 2rem;
            }
            .article h2 {
                font-size: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 50px;
                margin-bottom: 0.5rem;
            }
            .search-btn {
                border-radius: 50px;
                padding: 0.85rem;
            }
            .hero-grid {
                grid-template-columns: 1fr;
            }
        }