* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f9f9f9;
            padding: 0;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: #2c3e50;
        }
        a:hover {
            color: #e74c3c;
        }
        ul {
            list-style: none;
        }
        .header {
            background: linear-gradient(135deg, #1a237e, #4a148c);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffeb3b;
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: transform 0.3s ease;
        }
        .logo a:hover {
            transform: scale(1.05);
            color: #fff;
        }
        .nav {
            display: flex;
            gap: 2rem;
        }
        .nav a {
            color: white;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .nav a:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 0.8rem 2rem;
            font-size: 0.95rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #1a237e;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 2rem;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .main-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-left: 6px solid #ff9800;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #4a148c;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #ffeb3b;
        }
        h3 {
            font-size: 1.5rem;
            color: #6a1b9a;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        strong {
            color: #d32f2f;
            font-weight: 700;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .feature-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .feature-image:hover {
            transform: scale(1.02);
        }
        .form-section {
            background: #f1f8e9;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        .form-section h3 {
            color: #388e3c;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #4a148c;
            outline: none;
        }
        button {
            background: linear-gradient(to right, #1a237e, #4a148c);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        button:hover {
            background: linear-gradient(to right, #4a148c, #1a237e);
            transform: translateY(-3px);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ffc107;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ff9800;
        }
        .footer-links {
            background: #1a237e;
            padding: 2rem;
            margin-top: 3rem;
        }
        .web-link {
            display: inline-block;
            margin: 0.8rem 1rem;
            padding: 0.8rem 1.5rem;
            background: #ffeb3b;
            border-radius: 30px;
            transition: all 0.3s ease;
        }
        .web-link a {
            color: #1a237e;
            font-weight: 600;
        }
        .web-link:hover {
            background: #4a148c;
            transform: scale(1.05);
        }
        .web-link:hover a {
            color: white;
        }
        .footer {
            background: #0d1b2a;
            color: white;
            text-align: center;
            padding: 2rem;
            font-size: 1rem;
        }
        .footer a {
            color: #ffeb3b;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            .nav {
                gap: 1rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                background: rgba(26, 35, 126, 0.95);
                padding: 1rem;
                border-radius: 10px;
            }
            #nav-toggle:checked ~ .nav {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .main-content, .sidebar {
                padding: 1.5rem;
            }
        }