* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.8;
            overflow-x: hidden;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: bold;
            color: #38bdf8;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: color 0.3s ease;
        }
        .logo a:hover {
            color: #7dd3fc;
        }
        .breadcrumb {
            margin-top: 10px;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #cbd5e1;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-links a {
            color: #e2e8f0;
            text-decoration: none;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .nav-links a:hover {
            background-color: #475569;
            color: #38bdf8;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #e2e8f0;
            cursor: pointer;
            background: none;
            border: none;
        }
        main {
            padding: 40px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 20px;
            background: linear-gradient(90deg, #1e293b, #0f172a);
            border-radius: 12px;
            border-left: 5px solid #38bdf8;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #38bdf8;
            margin-bottom: 15px;
        }
        .article-meta {
            color: #94a3b8;
            font-size: 1rem;
        }
        .content-section {
            margin-bottom: 50px;
        }
        h2 {
            font-size: 2.2rem;
            color: #7dd3fc;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #475569;
        }
        h3 {
            font-size: 1.8rem;
            color: #bae6fd;
            margin: 25px 0 15px;
        }
        p {
            font-size: 1.2rem;
            margin-bottom: 20px;
            text-align: justify;
            color: #cbd5e1;
        }
        .highlight {
            background-color: #1e293b;
            padding: 25px;
            border-radius: 10px;
            border: 1px solid #475569;
            margin: 25px 0;
        }
        .highlight strong {
            color: #38bdf8;
            font-size: 1.3rem;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
            transition: transform 0.4s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .feature-card {
            background: #1e293b;
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            border-top: 4px solid #38bdf8;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
        }
        .feature-card i {
            font-size: 2.5rem;
            color: #38bdf8;
            margin-bottom: 15px;
        }
        .form-section {
            background: #1e293b;
            padding: 30px;
            border-radius: 12px;
            margin: 40px 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            color: #7dd3fc;
            font-weight: 500;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 1px solid #475569;
            border-radius: 6px;
            background-color: #0f172a;
            color: #e2e8f0;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #38bdf8;
        }
        button {
            background: linear-gradient(90deg, #38bdf8, #0ea5e9);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        button:hover {
            background: linear-gradient(90deg, #0ea5e9, #0284c7);
            transform: scale(1.05);
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-bottom: 20px;
        }
        .star {
            font-size: 2rem;
            color: #94a3b8;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #fbbf24;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 40px 0;
        }
        .web-link {
            background: #1e293b;
            padding: 15px;
            border-radius: 8px;
            text-align: center;
        }
        .web-link a {
            color: #38bdf8;
            text-decoration: none;
            font-weight: 500;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background-color: #0f172a;
            padding: 30px 0;
            text-align: center;
            border-top: 2px solid #475569;
            margin-top: 40px;
        }
        .copyright {
            color: #94a3b8;
            font-size: 0.9rem;
            margin-top: 20px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1e293b;
                padding: 20px;
                border-top: 1px solid #475569;
                z-index: 999;
            }
            .nav-links.active {
                display: flex;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            p {
                font-size: 1.1rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
        }