* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a365d; 
            --secondary: #c53030; 
            --accent: #f6ad55; 
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #a0aec0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #edf2f7;
            color: var(--dark);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, var(--secondary), #e53e3e);
            color: white;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(197, 48, 48, 0.4);
        }
        .section {
            padding: 60px 0;
        }
        header {
            background-color: var(--primary);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(90deg, #fff, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-desktop a {
            color: #e2e8f0;
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            background-color: var(--primary);
            padding: 20px;
            border-top: 1px solid #4a5568;
        }
        .nav-mobile.active {
            display: block;
        }
        .nav-mobile ul {
            list-style: none;
        }
        .nav-mobile li {
            margin-bottom: 15px;
        }
        .nav-mobile a {
            color: #e2e8f0;
            font-size: 1.1rem;
            display: block;
            padding: 10px;
            border-radius: 5px;
        }
        .nav-mobile a:hover {
            background-color: #2d3748;
        }
        .breadcrumb {
            background-color: #2d3748;
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 8px;
        }
        .hero {
            background: linear-gradient(rgba(26, 54, 93, 0.85), rgba(26, 54, 93, 0.95)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 100px 20px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #e2e8f0;
        }
        main {
            flex: 1;
            background-color: white;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin: 30px auto;
            padding: 40px;
            max-width: 1100px;
        }
        article h2 {
            color: var(--primary);
            border-bottom: 3px solid var(--accent);
            padding-bottom: 10px;
            margin: 40px 0 20px;
            font-size: 2.2rem;
        }
        article h3 {
            color: var(--secondary);
            margin: 30px 0 15px;
            font-size: 1.6rem;
        }
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        article emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight {
            background-color: #fffaf0;
            border-left: 5px solid var(--accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin: 0 auto;
        }
        .image-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .feature-card {
            background: var(--light);
            border-radius: 10px;
            padding: 30px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-10px);
        }
        .feature-card i {
            font-size: 3rem;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        .feature-card h3 {
            margin-bottom: 15px;
            color: var(--primary);
        }
        .feature-card form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
        }
        .feature-card input,
        .feature-card textarea,
        .feature-card select {
            padding: 12px;
            border: 1px solid #cbd5e0;
            border-radius: 5px;
            font-size: 1rem;
        }
        .feature-card textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 15px 0;
        }
        .rating-stars i {
            font-size: 1.8rem;
            color: #e2e8f0;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i.active {
            color: #f6ad55;
        }
        .web-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
            margin: 40px 0;
        }
        .web-link {
            background: var(--light);
            padding: 12px 25px;
            border-radius: 30px;
            border: 1px solid #cbd5e0;
            transition: var(--transition);
        }
        .web-link:hover {
            background: var(--primary);
            border-color: var(--primary);
        }
        .web-link:hover a {
            color: white;
        }
        footer {
            background-color: var(--primary);
            color: white;
            padding-top: 50px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-column h3 {
            color: var(--accent);
            margin-bottom: 25px;
            font-size: 1.4rem;
        }
        .footer-column ul {
            list-style: none;
        }
        .footer-column li {
            margin-bottom: 12px;
        }
        .footer-column a {
            color: #cbd5e0;
        }
        .footer-column a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding: 25px 0;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.6rem;
            }
            main {
                padding: 30px;
            }
        }
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .nav-desktop {
                display: none;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            article h2 {
                font-size: 1.8rem;
            }
            article h3 {
                font-size: 1.4rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .header-top, .breadcrumb, main, .footer-content {
                padding-left: 15px;
                padding-right: 15px;
            }
            .hero {
                padding: 70px 15px;
            }
            .logo a {
                font-size: 1.8rem;
            }
            .btn {
                padding: 10px 22px;
            }
        }