* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #0d47a1;
            --secondary-color: #ff6f00;
            --accent-color: #4caf50;
            --text-dark: #333333;
            --text-light: #666666;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background-color: var(--bg-light);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #1565c0);
            color: white;
            padding: 1.5rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--secondary-color);
            transform: scale(1.05);
            transition: var(--transition);
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--bg-white);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 1rem 0;
            box-shadow: var(--shadow);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            background-color: var(--bg-white);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 2rem 0;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 1rem;
        }
        h2 {
            color: var(--primary-color);
            font-size: 2.2rem;
            margin: 2.5rem 0 1.5rem;
            padding-left: 1rem;
            border-left: 5px solid var(--accent-color);
        }
        h3 {
            color: var(--secondary-color);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--text-dark);
            font-size: 1.4rem;
            margin: 1.5rem 0 1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #fff3e0;
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .content-image {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .content-image:hover {
            transform: scale(1.02);
        }
        .form-section {
            background-color: var(--bg-light);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            border: 2px solid #e0e0e0;
        }
        .form-section h3 {
            color: var(--primary-color);
            margin-top: 0;
        }
        form {
            display: grid;
            gap: 1.5rem;
            max-width: 600px;
        }
        input, textarea, select {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(13,71,161,0.2);
        }
        button {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.15);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating-stars i {
            color: #ffd700;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        #last-updated {
            background-color: #e8f5e9;
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            text-align: center;
            font-weight: 600;
            color: var(--text-dark);
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 2rem;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
            margin-top: 3rem;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.1);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateX(10px);
        }
        friend-link a {
            color: white;
            text-decoration: none;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link a:hover {
            color: var(--secondary-color);
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.3);
            font-size: 0.9rem;
            opacity: 0.9;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 20px;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            main {
                padding: 1.5rem;
            }
            .form-section {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 10px;
            }
            h1 {
                font-size: 1.8rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }
        .text-center { text-align: center; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .bold { font-weight: 700; color: var(--primary-color); }
        .italic { font-style: italic; }
        .underline { text-decoration: underline; }