* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #ff6b00;
            --secondary: #1a237e;
            --accent: #00c853;
            --dark: #121212;
            --light: #f5f5f7;
            --gray: #6d6d6d;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.7;
            font-size: 1.05rem;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--dark) 100%);
            color: white;
            padding: 1.2rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: white;
        }
        .logo:hover {
            transform: scale(1.03);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        .nav-links a:hover, .nav-links a.active {
            background-color: rgba(255, 107, 0, 0.15);
            color: var(--primary);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 0.8rem 0;
            margin-top: 1rem;
            border-radius: 5px;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .search-box {
            background: white;
            border-radius: 50px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            width: 280px;
        }
        .search-box input {
            border: none;
            outline: none;
            flex: 1;
            font-size: 1rem;
            color: var(--dark);
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .search-box button:hover {
            background: #e55a00;
        }
        main {
            padding: 2.5rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 2px dashed var(--primary);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--secondary);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .article-meta {
            color: var(--gray);
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        h2 {
            color: var(--secondary);
            margin: 2.2rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
            font-size: 1.9rem;
        }
        h3 {
            color: var(--primary);
            margin: 1.8rem 0 1rem;
            font-size: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255,107,0,0.1) 0%, rgba(255,107,0,0.05) 100%);
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-weight: 600;
            color: var(--dark);
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .feature-img:hover {
            transform: translateY(-5px);
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 5px solid var(--accent);
        }
        .stat-card h4 {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, var(--primary), #ff8b33);
            color: white;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            text-align: center;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(255,107,0,0.3);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(255,107,0,0.4);
            background: linear-gradient(to right, #e55a00, #ff7a1a);
        }
        .btn-block {
            display: block;
            width: 100%;
            margin: 1.5rem 0;
        }
        .download-steps {
            counter-reset: step-counter;
            margin: 2.5rem 0;
        }
        .step {
            display: flex;
            align-items: flex-start;
            margin-bottom: 2rem;
            background: #f9f9f9;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid var(--secondary);
        }
        .step::before {
            counter-increment: step-counter;
            content: counter(step-counter);
            background: var(--secondary);
            color: white;
            font-weight: bold;
            width: 35px;
            height: 35px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1.2rem;
            flex-shrink: 0;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            color: var(--secondary);
            margin-bottom: 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--primary);
            font-size: 1.4rem;
        }
        .interactive-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            padding: 0.9rem 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255,107,0,0.1);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: var(--primary);
        }
        .web-links {
            background: var(--dark);
            padding: 2.5rem 0;
            margin-top: 3rem;
        }
        .web-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.2rem;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            padding: 1rem 1.2rem;
            border-radius: 8px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background: rgba(255,107,0,0.2);
            transform: translateY(-3px);
        }
        footer {
            background: #0a0a0a;
            color: #aaa;
            padding: 2.5rem 0 1.5rem;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #333;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            font-size: 0.9rem;
            color: #777;
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 85px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 85px);
                background: var(--secondary);
                flex-direction: column;
                padding: 2rem;
                transition: left 0.5s ease;
                z-index: 999;
                box-shadow: 5px 0 15px rgba(0,0,0,0.2);
            }
            .nav-links.active {
                left: 0;
            }
            .search-box {
                width: 100%;
                margin-top: 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            article {
                padding: 1.8rem;
            }
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .sidebar-widget {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            .search-box, .interactive-form, .web-links, .mobile-toggle {
                display: none;
            }
        }