* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #4a6ee0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #2a4ec4;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a237e, #4a6ee0);
            color: white;
            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;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: linear-gradient(90deg, #ffd700, #ffcc00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #e3f2fd;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: #fff;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #1a237e;
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: #e3f2fd;
            padding: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-weight: 600;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #4a6ee0;
        }
        .breadcrumb span {
            color: #495057;
            margin: 0 8px;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        article {
            background-color: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            article {
                padding: 25px 20px;
            }
        }
        h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 25px;
            line-height: 1.2;
            border-left: 6px solid #ffcc00;
            padding-left: 20px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            color: #283593;
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e0e0e0;
        }
        h3 {
            color: #3949ab;
            font-size: 1.6rem;
            margin: 30px 0 15px;
        }
        h4 {
            color: #5c6bc0;
            font-size: 1.3rem;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.25rem;
            color: #555;
            font-weight: 500;
            margin-bottom: 30px;
        }
        .highlight {
            background-color: #fffacd;
            padding: 20px;
            border-left: 4px solid #ffcc00;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        strong {
            color: #1a237e;
            font-weight: 700;
        }
        .last-updated {
            font-style: italic;
            color: #6c757d;
            text-align: right;
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }
        .article-image figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 10px;
            font-size: 0.95rem;
        }
        .interaction-module {
            background-color: #f1f8ff;
            border-radius: 10px;
            padding: 25px;
            margin: 40px 0;
            border: 1px solid #d1e7ff;
        }
        .interaction-module h3 {
            margin-top: 0;
            color: #1565c0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4a6ee0;
            box-shadow: 0 0 0 3px rgba(74, 110, 224, 0.2);
        }
        button {
            background-color: #4a6ee0;
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s, transform 0.2s;
        }
        button:hover {
            background-color: #2a4ec4;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
            margin: 0;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffcc00;
        }
        .site-footer {
            background-color: #1a237e;
            color: #e3f2fd;
            padding: 50px 0 20px;
            margin-top: auto;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #ffcc00;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links a {
            display: block;
            color: #bbdefb;
            margin-bottom: 12px;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 12px 20px;
            margin-bottom: 10px;
            border-radius: 5px;
            border-left: 3px solid #4a6ee0;
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #90caf9;
        }