* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            max-width: 1920px;
            margin: 0 auto;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-family: 'Georgia', 'Times New Roman', serif;
            color: #2c3e50;
            margin-bottom: 1rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-top: 1.5rem;
            border-bottom: 4px solid #3498db;
            padding-bottom: 0.8rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #2980b9;
            margin-top: 2.5rem;
            padding-left: 0.5rem;
            border-left: 5px solid #f39c12;
        }
        h3 {
            font-size: 1.8rem;
            color: #16a085;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #8e44ad;
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
            hyphens: auto;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #2c3e50 0%, #4a6491 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: #f39c12;
            transform: scale(1.02);
            transition: all 0.3s ease;
        }
        .my-logo i {
            font-size: 2.5rem;
            color: #f39c12;
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 12px 20px;
            border-radius: 6px;
            margin: 1rem 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .nav-links a:hover,
        .nav-links a.active {
            background-color: #f39c12;
            color: #2c3e50;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .search-section {
            background-color: #e8f4fc;
            padding: 2.5rem;
            border-radius: 12px;
            margin: 2.5rem 0;
            text-align: center;
            box-shadow: 0 6px 15px rgba(52, 152, 219, 0.15);
        }
        .search-form {
            display: flex;
            max-width: 700px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 18px 24px;
            font-size: 1.2rem;
            border: 2px solid #3498db;
            border-radius: 50px 0 0 50px;
            outline: none;
            transition: border 0.3s;
        }
        .search-input:focus {
            border-color: #f39c12;
        }
        .search-button {
            background: linear-gradient(to right, #3498db, #2980b9);
            color: white;
            border: none;
            padding: 0 2.5rem;
            border-radius: 0 50px 50px 0;
            font-size: 1.2rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .search-button:hover {
            background: linear-gradient(to right, #f39c12, #e67e22);
            transform: translateY(-2px);
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
            margin-top: 2rem;
            margin-bottom: 3rem;
        }
        .article-content {
            padding: 0 2.5rem;
        }
        .highlight-box {
            background: linear-gradient(145deg, #fff9e6, #ffeaa7);
            border-left: 6px solid #f1c40f;
            padding: 1.8rem;
            margin: 2.2rem 0;
            border-radius: 0 10px 10px 0;
            box-shadow: 3px 3px 10px rgba(0,0,0,0.05);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            border-radius: 12px;
            padding: 1.8rem;
            text-align: center;
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
            border-top: 5px solid #3498db;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.12);
        }
        .stat-number {
            font-size: 3.2rem;
            font-weight: 800;
            color: #2c3e50;
            line-height: 1;
        }
        .stat-label {
            font-size: 1.1rem;
            color: #7f8c8d;
            margin-top: 0.5rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            margin: 2.5rem auto;
            display: block;
            transition: transform 0.5s ease;
        }
        img:hover {
            transform: scale(1.015);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -1.5rem;
            margin-bottom: 2.5rem;
            font-size: 0.95rem;
        }
        a {
            color: #3498db;
            text-decoration: none;
            transition: color 0.2s;
            font-weight: 600;
        }
        a:hover {
            color: #f39c12;
            text-decoration: underline;
        }
        .user-feedback {
            background-color: #f8f9fa;
            border-radius: 12px;
            padding: 2.5rem;
            margin: 3rem 0;
            border: 1px solid #e9ecef;
        }
        .rating-system {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .star-rating {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .fas {
            color: #f1c40f;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #2c3e50;
        }
        .form-control {
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1.1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #3498db;
            outline: none;
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            align-self: flex-start;
            background: linear-gradient(to right, #2ecc71, #27ae60);
            color: white;
            border: none;
            padding: 15px 35px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .submit-button:hover {
            background: linear-gradient(to right, #27ae60, #219653);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(39, 174, 96, 0.3);
        }
        footer {
            background: linear-gradient(135deg, #2c3e50 0%, #1a2530 100%);
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h3 {
            color: #f39c12;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid #34495e;
            padding-bottom: 0.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #f39c12;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: #34495e;
            border-radius: 8px;
            padding: 1.2rem;
            margin: 1rem 0;
            border-left: 5px solid #3498db;
        }
        friend-link a {
            color: #ecf0f1;
            font-weight: 600;
            font-size: 1.1rem;
        }
        friend-link a:hover {
            color: #f39c12;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.95rem;
        }
        .last-updated {
            background-color: #e8f6f3;
            padding: 1rem;
            border-radius: 8px;
            margin: 2rem 0;
            text-align: center;
            font-style: italic;
            color: #16a085;
            border: 1px dashed #1abc9c;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.6rem; }
            .nav-links { gap: 1rem; }
            .article-content { padding: 0 1.5rem; }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 1.5rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #2c3e50;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1.5rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                border-radius: 0 0 12px 12px;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 20px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-button {
                border-radius: 50px;
                width: 100%;
                margin-bottom: 10px;
            }
            .search-button {
                padding: 18px;
            }
            .rating-system {
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .my-logo { font-size: 1.8rem; }
            .stat-number { font-size: 2.5rem; }
            .article-content { padding: 0 1rem; }
        }