* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #f1f5f9;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #93c5fd;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #334155;
            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;
            background: linear-gradient(to right, #fbbf24, #f87171);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #60a5fa;
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #cbd5e1;
        }
        .mobile-nav {
            display: none;
            background-color: #1e293b;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            flex-direction: column;
            border-top: 1px solid #334155;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav a {
            display: block;
            padding: 0.75rem;
            border-radius: 6px;
            background-color: #334155;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        main {
            padding: 2rem 0;
            min-height: 100vh;
        }
        article {
            background-color: #1e293b;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #fbbf24;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            color: #60a5fa;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #475569;
        }
        h3 {
            font-size: 1.5rem;
            margin: 2rem 0 0.75rem;
            color: #86efac;
        }
        h4 {
            font-size: 1.2rem;
            margin: 1.5rem 0 0.5rem;
            color: #d8b4fe;
        }
        p {
            margin-bottom: 1.25rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(96, 165, 250, 0.15);
            border-left: 4px solid #60a5fa;
            padding: 1.25rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 1.5rem auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.7);
            border: 1px solid #475569;
        }
        .float-img {
            float: right;
            margin: 1rem 0 1rem 2rem;
            max-width: 45%;
        }
        .clear {
            clear: both;
        }
        .interactive-section {
            background: linear-gradient(145deg, #1e3a8a, #0c4a6e);
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .interactive-box {
            background-color: rgba(255, 255, 255, 0.08);
            padding: 1.5rem;
            border-radius: 10px;
        }
        .interactive-box h3 {
            color: #fbbf24;
            margin-top: 0;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border-radius: 6px;
            border: 1px solid #475569;
            background-color: #334155;
            color: #f1f5f9;
            font-size: 1rem;
        }
        button {
            padding: 0.8rem 1.5rem;
            background: linear-gradient(to right, #3b82f6, #8b5cf6);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .stars i {
            color: #94a3b8;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .stars i.active,
        .stars i:hover {
            color: #fbbf24;
        }
        footer {
            background-color: #0f172a;
            border-top: 2px solid #334155;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #60a5fa;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.75rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .float-img {
                float: none;
                max-width: 100%;
                margin: 1.5rem auto;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
                padding: 1.5rem;
            }
        }