:root {
            --primary: #f97316;
            --secondary: #ea580c;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #94a3b8;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f1f5f9;
            color: #334155;
            line-height: 1.7;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark) 0%, #0f172a 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--primary);
        }
        .logo span {
            background: linear-gradient(to right, var(--primary), #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #cbd5e1;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:hover {
            color: white;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e2e8f0;
            padding: 1rem;
            border-radius: var(--radius);
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--dark);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 0.5rem;
            color: var(--gray);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        article {
            background: white;
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--dark);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }
        h2 {
            color: var(--secondary);
            font-size: 1.8rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f1f5f9;
        }
        h3 {
            color: var(--dark);
            font-size: 1.4rem;
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: #fff7ed;
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .highlight p {
            margin-bottom: 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 2rem 0;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        .steps {
            counter-reset: step;
            margin: 2rem 0;
        }
        .step {
            background: #f8fafc;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin-bottom: 1.5rem;
            border: 1px solid #e2e8f0;
            position: relative;
            padding-left: 4rem;
        }
        .step::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            left: 1rem;
            top: 1.5rem;
            background: var(--primary);
            color: white;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            border-radius: var(--radius);
            padding: 1.8rem;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            margin-top: 0;
            color: var(--secondary);
            font-size: 1.3rem;
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #cbd5e1;
            border-right: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: var(--secondary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #fbbf24;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            height: 120px;
            padding: 1rem;
            border: 2px solid #cbd5e1;
            border-radius: var(--radius);
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
        }
        .comment-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: background 0.3s;
        }
        .comment-form button:hover {
            background: var(--secondary);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background: white;
            padding: 1rem 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .web-link a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: var(--primary);
        }
        footer {
            background: var(--dark);
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #475569;
            width: 100%;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1rem;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 1rem;
            }
            .hamburger {
                display: block;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
            article {
                padding: 1.8rem;
            }
        }
        .download-btn {
            display: inline-block;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 1.5rem 0;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
        }
        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.4);
        }
        .tip-box {
            background: #dbeafe;
            border-left: 4px solid #3b82f6;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .stat {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: #f0f9ff;
            padding: 1.2rem;
            border-radius: var(--radius);
            margin: 1rem 0;
        }
        .stat i {
            color: #0ea5e9;
            font-size: 2rem;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--dark);
        }
        .stat-text {
            color: #64748b;
        }