* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            padding-top: 80px; 
        }
        a {
            color: #2a9d8f;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e76f51;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #264653 0%, #2a9d8f 100%);
            color: white;
            position: fixed;
            top: 0;
            width: 100%;
            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;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .my-logo i {
            margin-right: 10px;
            color: #e9c46a;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: rgba(255,255,255,0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            color: #2a9d8f;
        }
        main {
            padding: 30px 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 20px auto;
        }
        .article-content {
            padding: 30px;
        }
        h1 {
            color: #264653;
            font-size: 2.8rem;
            margin-bottom: 25px;
            border-bottom: 3px solid #e9c46a;
            padding-bottom: 15px;
        }
        h2 {
            color: #2a9d8f;
            font-size: 2rem;
            margin: 35px 0 20px;
            padding-left: 10px;
            border-left: 5px solid #e76f51;
        }
        h3 {
            color: #e76f51;
            font-size: 1.6rem;
            margin: 25px 0 15px;
        }
        h4 {
            color: #f4a261;
            font-size: 1.3rem;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #495057;
            font-weight: 500;
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #2a9d8f;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #ffeaa7;
            margin: 20px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-img {
            float: right;
            margin: 15px 0 20px 30px;
            max-width: 45%;
            border: 5px solid #2a9d8f;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
        .interactive-module {
            background: linear-gradient(to right, #e9f5db, #cfe1b9);
            padding: 25px;
            border-radius: 12px;
            margin: 40px 0;
            box-shadow: 0 6px 12px rgba(0,0,0,0.08);
        }
        .module-title {
            color: #588157;
            font-size: 1.8rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        form {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            font-weight: 600;
            margin-bottom: 8px;
            color: #3a5a40;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 2px solid #a3b18a;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #588157;
        }
        button {
            background-color: #2a9d8f;
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            grid-column: 1 / -1;
            justify-self: start;
        }
        button:hover {
            background-color: #21867a;
            transform: translateY(-3px);
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover, .star.active {
            color: #ffc107;
        }
        footer {
            background-color: #264653;
            color: #e9ecef;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid #3d5a80;
        }
        .footer-section h3 {
            color: #e9c46a;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            padding: 10px 0;
            border-bottom: 1px dashed #3d5a80;
        }
        friend-link a {
            color: #a8dadc;
        }
        friend-link a:hover {
            color: #f4a261;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            font-size: 0.9rem;
            color: #adb5bd;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            .feature-img { float: none; margin: 20px auto; display: block; max-width: 80%; }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #264653;
                padding: 20px;
                display: none;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 12px 20px;
            }
            .article-content {
                padding: 20px;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.4rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            .interactive-module { padding: 20px; }
            form { grid-template-columns: 1fr; }
        }