* {
            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: #f8f9fa;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #007bff;
        }
        a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            letter-spacing: 1px;
        }
        .logo a {
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            font-size: 2.5rem;
        }
        nav ul {
            display: flex;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        nav a:hover {
            background: rgba(255,255,255,0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        @media (max-width: 768px) {
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #1e3c72;
                padding: 1rem;
                z-index: 1000;
                box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #007bff;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #2a5298;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #007bff;
        }
        h3 {
            font-size: 1.5rem;
            color: #333;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            line-height: 1.8;
            text-align: justify;
        }
        .highlight {
            background: #fff3cd;
            padding: 1rem;
            border-left: 4px solid #ffc107;
            margin: 1.5rem 0;
            border-radius: 5px;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        .bold {
            font-weight: bold;
            color: #1e3c72;
        }
        .image-container {
            margin: 2rem 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            max-width: 800px;
            margin: 0 auto;
        }
        .caption {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .form-section {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            border: 1px solid #dee2e6;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: bold;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
        }
        button {
            background: #007bff;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        button:hover {
            background: #0056b3;
        }
        .rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .rating i {
            color: #ffc107;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .rating i:hover {
            color: #ff9800;
        }
        footer {
            background: #343a40;
            color: white;
            padding: 2rem 0;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: #ffc107;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
        }
        friend-link a {
            color: #adb5bd;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: #ffc107;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #adb5bd;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .sidebar {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid #dee2e6;
        }
        .sidebar h3 {
            margin-top: 0;
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }