* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Nirmala UI', 'Arial', sans-serif;
        }
        :root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #f59e0b;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.7;
            font-size: 18px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary), #1e40af);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .logo a:hover {
            color: var(--accent);
        }
        nav.desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav.desktop-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
        }
        nav.desktop-nav a:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary);
            padding: 1rem;
            border-radius: var(--radius);
            margin-top: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav a {
            color: white;
            display: block;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e2e8f0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--accent);
        }
        h3 {
            color: var(--dark);
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fef3c7;
            border-left: 5px solid var(--accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-img {
            width: 100%;
            border-radius: var(--radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .feature-img:hover {
            transform: scale(1.01);
        }
        .interaction {
            background-color: #f1f5f9;
            padding: 2rem;
            border-radius: var(--radius);
            margin: 3rem 0;
        }
        .interaction h3 {
            color: var(--primary);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            padding: 1rem;
            border: 1px solid var(--gray);
            border-radius: var(--radius);
            font-size: 1rem;
        }
        button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        button:hover {
            background-color: var(--secondary);
        }
        .rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .rating i {
            color: #d1d5db;
            cursor: pointer;
            font-size: 1.8rem;
            transition: var(--transition);
        }
        .rating i:hover,
        .rating i.active {
            color: var(--accent);
        }
        aside {
            background-color: white;
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            height: fit-content;
        }
        aside h3 {
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        .side-list {
            list-style: none;
        }
        .side-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #e5e7eb;
        }
        .side-list a {
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .side-list a:hover {
            color: var(--secondary);
        }
        .side-list i {
            color: var(--accent);
        }
        .web-links {
            background-color: var(--dark);
            color: white;
            padding: 3rem 0;
        }
        .web-links .container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .web-links .container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: #cbd5e1;
            font-size: 1.1rem;
            display: block;
            line-height: 1.5;
        }
        .web-link a:hover {
            color: white;
        }
        footer {
            background-color: #0a0a0a;
            color: #94a3b8;
            text-align: center;
            padding: 2rem 0;
            font-size: 0.9rem;
        }
        footer a {
            color: #cbd5e1;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 1.5rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav.desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .logo a {
                font-size: 1.8rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
        }