* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            color: #1a73e8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0d47a1;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, #1a237e, #4a148c);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: #ffeb3b;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            color: #ffc107;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1a237e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #e8eaf6;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #5c6bc0;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        .main-content {
            background: white;
            padding: 2rem;
            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);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ffeb3b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #4a148c;
            margin: 2rem 0 1rem;
            padding-top: 1rem;
            border-top: 2px solid #e8eaf6;
        }
        h3 {
            font-size: 1.5rem;
            color: #6a1b9a;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #8e24aa;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            line-height: 1.8;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #555;
            background-color: #f3e5f5;
            padding: 1rem;
            border-left: 4px solid #9c27b0;
            margin-bottom: 2rem;
            border-radius: 0 8px 8px 0;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-weight: 600;
        }
        b, strong {
            color: #1a237e;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .feature-img {
            width: 100%;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .feature-img:hover {
            transform: scale(1.01);
        }
        .form-section {
            background-color: #f5f5f5;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .form-title {
            font-size: 1.3rem;
            color: #1a237e;
            margin-bottom: 1rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #1a73e8;
            box-shadow: 0 0 0 3px rgba(26,115,232,0.2);
        }
        button {
            background: linear-gradient(135deg, #1a73e8, #0d47a1);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s ease;
        }
        button:hover {
            background: linear-gradient(135deg, #0d47a1, #1a237e);
            transform: translateY(-2px);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffc107;
        }
        .site-footer {
            background-color: #1a237e;
            color: white;
            padding: 3rem 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: #ffeb3b;
            border-bottom: 2px solid #3949ab;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .friend-links {
            list-style: none;
            margin-left: 0;
        }
        .friend-links li {
            margin-bottom: 0.8rem;
        }
        .friend-links a {
            color: #bbdefb;
        }
        .friend-links a:hover {
            color: #ffeb3b;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #3949ab;
            margin-top: 2rem;
            font-size: 0.9rem;
            color: #bbdefb;
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.2em;
        }
        .last-updated {
            font-style: italic;
            color: #777;
            margin-bottom: 1rem;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .container {
                padding: 0 1rem;
            }
            .main-content, .sidebar {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }