* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
        }
        
        header {
            background: linear-gradient(135deg, #1a2a6c, #2a4a8c);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
        }
        
        .logo span {
            color: #4CAF50;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 1.5rem;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: #4CAF50;
        }
        
        /* Google Ads Banners */
        .ad-banner {
            background: #f5f5f5;
            border: 1px dashed #ccc;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 1.5rem auto;
            border-radius: 4px;
            text-align: center;
        }
        
        .ad-banner p {
            color: #777;
            font-size: 0.9rem;
        }
        
        .large-ad {
            height: 90px;
            width: 100%;
            max-width: 728px;
        }
        
        .small-ad {
            height: 250px;
            width: 300px;
        }
        
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1551434678-e076c223a692?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 5rem 1rem;
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        
        .btn {
            display: inline-block;
            background: #4CAF50;
            color: white;
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 4px;
            text-decoration: none;
            font-weight: bold;
            transition: background 0.3s, transform 0.3s;
        }
        
        .btn:hover {
            background: #3d8b40;
            transform: translateY(-2px);
        }
        
        .main-content {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            padding: 2rem 0;
        }
        
        .content-section {
            background: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            margin-bottom: 2rem;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .content-section:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .content-section h2 {
            color: #1a2a6c;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #4CAF50;
        }
        
        .content-section h3 {
            color: #2a4a8c;
            margin: 1.5rem 0 0.5rem;
        }
        
        .content-section p {
            margin-bottom: 1rem;
        }
        
        .tips-list {
            margin-left: 1.5rem;
            margin-bottom: 1rem;
        }
        
        .tips-list li {
            margin-bottom: 0.5rem;
            position: relative;
        }
        
        .tips-list li:before {
            content: "•";
            color: #4CAF50;
            font-weight: bold;
            display: inline-block;
            width: 1em;
            margin-left: -1em;
        }
        
        .do-dont-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-top: 1rem;
        }
        
        .do-section, .dont-section {
            padding: 1rem;
            border-radius: 8px;
        }
        
        .do-section {
            background: #e8f5e9;
            border-left: 4px solid #4CAF50;
        }
        
        .dont-section {
            background: #ffebee;
            border-left: 4px solid #f44336;
        }
        
        .do-section h3, .dont-section h3 {
            margin-top: 0;
        }
        
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        
        .sidebar h3 {
            color: #1a2a6c;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #eee;
        }
        
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        

        footer {
            background: #1a2a6c;
            color: white;
            padding: 2rem 0;
            margin-top: 2rem;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        
        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 1.5rem;
        }
        
        .footer-section h3 {
            margin-bottom: 1rem;
            color: #4CAF50;
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section ul li {
            margin-bottom: 0.5rem;
        }
        
        .footer-section a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-section a:hover {
            color: #4CAF50;
        }
        
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 1rem;
        }
        
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            nav ul {
                margin-top: 1rem;
                justify-content: center;
            }
            
            nav ul li {
                margin: 0 0.75rem;
            }
            
            .main-content {
                grid-template-columns: 1fr;
            }
            
            .do-dont-container {
                grid-template-columns: 1fr;
            }
            
            .small-ad {
                width: 100%;
                max-width: 300px;
            }
        }