* {
            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;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #4361ee;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #3a0ca3;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .italic { font-style: italic; }
        .spacer { height: 40px; }
        .section-padding { padding: 60px 0; }
        .site-header {
            background: linear-gradient(135deg, #3a0ca3 0%, #4361ee 100%);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -1px;
            color: white;
            display: flex;
            align-items: center;
        }
        .my-logo i {
            margin-right: 10px;
            color: #f72585;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover {
            border-bottom-color: #f72585;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #4361ee;
        }
        .hero {
            background: linear-gradient(rgba(58, 12, 163, 0.85), rgba(67, 97, 238, 0.85)), url('https://images.unsplash.com/photo-1542744095-fcf48d80b0fd?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .search-box {
            max-width: 600px;
            margin: 40px auto;
            padding: 20px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.08);
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid #dee2e6;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-box input:focus {
            border-color: #4361ee;
        }
        .search-box button {
            background: #4361ee;
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #3a0ca3;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-content h2 {
            color: #3a0ca3;
            font-size: 2.2rem;
            margin-top: 40px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #f72585;
        }
        .article-content h2:first-of-type {
            margin-top: 0;
        }
        .article-content h3 {
            color: #4361ee;
            font-size: 1.7rem;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        .article-content h4 {
            color: #7209b7;
            font-size: 1.3rem;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        .article-content p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .article-content p.lead {
            font-size: 1.3rem;
            color: #495057;
            background: #f8f9fa;
            padding: 20px;
            border-left: 5px solid #4361ee;
            border-radius: 0 8px 8px 0;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 15px;
            border-left: 5px solid #ffc107;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        .image-with-caption {
            margin: 30px 0;
            text-align: center;
        }
        .image-with-caption img {
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .image-with-caption img:hover {
            transform: scale(1.02);
        }
        .image-with-caption figcaption {
            font-style: italic;
            color: #6c757d;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .sidebar {
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: #3a0ca3;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #dee2e6;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .sidebar li::before {
            content: "•";
            color: #f72585;
            font-size: 1.5rem;
            position: absolute;
            left: 0;
            top: -5px;
        }
        .interaction-module {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 40px 0;
        }
        .interaction-module h2 {
            color: #3a0ca3;
            margin-bottom: 25px;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 15px 0 25px;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .rating-stars i {
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #495057;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #4361ee;
            outline: none;
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            background: #4361ee;
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-block;
        }
        .btn:hover {
            background: #3a0ca3;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn-block {
            display: block;
            width: 100%;
        }
        .site-footer {
            background: #212529;
            color: #adb5bd;
            padding: 60px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            margin-bottom: 15px;
            display: block;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        friend-link {
            display: block;
            padding: 8px 0;
            border-bottom: 1px dashed #495057;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #6c757d;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 20px;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav a {
                display: block;
                padding: 15px;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .article-content {
                padding: 25px;
            }
            .article-content h2 {
                font-size: 1.9rem;
            }
            .article-content h3 {
                font-size: 1.5rem;
            }
        }
        @media print {
            .site-header, .sidebar, .search-box, .interaction-module, .site-footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            .container {
                max-width: 100%;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }