* {
            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: linear-gradient(135deg, #f9f9f9 0%, #e6f2ff 100%);
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #0066cc;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff9900;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        header {
            background: linear-gradient(90deg, #1a237e, #283593);
            color: white;
            padding: 1rem 2rem;
            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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffd700;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo:hover {
            color: #ffcc00;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #1a237e;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ffd700;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #283593;
            font-size: 2rem;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #ff9900;
        }
        h3 {
            color: #3949ab;
            font-size: 1.6rem;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            color: #5c6bc0;
            font-size: 1.3rem;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.7;
        }
        .highlight {
            background: #fff8e1;
            padding: 1.5rem;
            border-left: 5px solid #ffb300;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 0.5rem;
        }
        .image-wrapper {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .image-wrapper img {
            border-radius: 10px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .image-wrapper img:hover {
            transform: scale(1.02);
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #666;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dashed #ccc;
        }
        .form-section {
            background: #f5f5f5;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        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-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #0066cc;
            outline: none;
        }
        button {
            background: linear-gradient(90deg, #1a237e, #3949ab);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 6px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        button:hover {
            background: linear-gradient(90deg, #283593, #5c6bc0);
            transform: translateY(-2px);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }
        .rating i {
            color: #ffd700;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.3s;
        }
        .rating i:hover {
            color: #ff9900;
        }
        footer {
            background: #1a237e;
            color: white;
            padding: 3rem 2rem 1.5rem;
            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: #ffd700;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: #bbdefb;
        }
        friend-link a:hover {
            color: #ffcc00;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #bbdefb;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .container {
                padding: 0 1rem;
            }
            article {
                padding: 1.5rem;
            }
        }