* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            color: #2c5aa0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4 {
            font-family: 'Georgia', serif;
            font-weight: 700;
            color: #1d3557;
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid #e63946;
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid #2c5aa0;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: #457b9d;
        }
        h4 {
            font-size: 1.4rem;
            color: #6c757d;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
            text-align: justify;
        }
        strong {
            color: #1d3557;
            font-weight: 700;
        }
        em {
            color: #e63946;
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid #d4af37;
            background-color: #fff9e6;
            padding: 20px;
            margin: 30px 0;
            font-style: italic;
            color: #555;
        }
        header {
            background: linear-gradient(135deg, #1d3557 0%, #2c5aa0 100%);
            color: white;
            padding: 15px 0;
            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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo span {
            color: #e63946;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 30px;
        }
        .nav-links a {
            color: #fff;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover, .nav-links a.active {
            border-bottom-color: #e63946;
            color: #e63946;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
            color: white;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #2c5aa0;
        }
        .breadcrumb span {
            color: #6c757d;
            margin: 0 8px;
        }
        main {
            padding: 40px 0;
            background-color: white;
            box-shadow: 0 0 20px rgba(0,0,0,0.05);
            border-radius: 10px;
            margin: 30px auto;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 1px dashed #ddd;
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            margin-top: 15px;
        }
        .article-meta i {
            margin-right: 5px;
        }
        .featured-image {
            width: 80%;
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            padding: 10px;
            background-color: #f8f9fa;
        }
        .interactive-section {
            background-color: #f1faee;
            border-radius: 10px;
            padding: 25px;
            margin: 40px 0;
            border: 1px solid #a8dadc;
        }
        .interactive-section h3 {
            color: #1d3557;
            margin-top: 0;
        }
        form {
            display: grid;
            gap: 15px;
            margin-top: 20px;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            width: 100%;
        }
        button {
            background: linear-gradient(to right, #2c5aa0, #457b9d);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            justify-self: start;
        }
        button:hover {
            background: linear-gradient(to right, #e63946, #d90429);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(233, 30, 99, 0.2);
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 15px 0;
        }
        .rating i {
            color: #ffd700;
            font-size: 1.5rem;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating i:hover {
            transform: scale(1.2);
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff9e6 0%, #ffeaa7 100%);
            border-left: 5px solid #d4af37;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .tip {
            background-color: #e3f2fd;
            border-left: 5px solid #2196f3;
            padding: 15px;
            margin: 20px 0;
        }
        footer {
            background-color: #1d3557;
            color: #f1faee;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #a8dadc;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #f1faee;
        }
        .footer-links a:hover {
            color: #e63946;
            padding-left: 5px;
            transition: all 0.3s;
        }
        friend-link {
            display: inline-block;
            background-color: #2c5aa0;
            color: white;
            padding: 8px 15px;
            margin: 5px 10px 5px 0;
            border-radius: 4px;
            font-size: 0.9rem;
            transition: all 0.3s;
        }
        friend-link:hover {
            background-color: #e63946;
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid #457b9d;
            color: #a8dadc;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .container { padding: 0 15px; }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: 15px;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 20px;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 10px 0;
            }
            .featured-image {
                width: 100%;
            }
        }