* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        h1, h2, h3, h4 {
            color: #2c3e50;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 1.5rem;
            border-bottom: 3px solid #3498db;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #2980b9;
            margin-top: 2.5rem;
            padding-left: 10px;
            border-left: 5px solid #f39c12;
        }
        h3 {
            font-size: 1.8rem;
            color: #16a085;
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        em {
            color: #e74c3c;
            font-style: italic;
        }
        strong {
            color: #2c3e50;
            font-weight: 700;
        }
        a {
            color: #3498db;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #e74c3c;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            color: white;
            padding: 1.5rem 0;
            border-radius: 0 0 10px 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        .logo-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.5rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(to right, #ffdd00, #ff5e00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .logo a {
            color: inherit;
            text-decoration: none;
        }
        .search-container {
            flex-grow: 1;
            max-width: 500px;
            margin: 0 2rem;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        }
        .search-input {
            flex-grow: 1;
            padding: 0.8rem 1.5rem;
            border: none;
            font-size: 1rem;
        }
        .search-button {
            background: #f39c12;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: #e67e22;
        }
        .main-nav {
            background-color: #2c3e50;
            border-radius: 8px;
            margin-top: 1.5rem;
            position: relative;
        }
        .nav-list {
            display: flex;
            list-style: none;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-list li {
            position: relative;
        }
        .nav-list a {
            color: white;
            padding: 1rem 1.5rem;
            display: block;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: all 0.3s;
        }
        .nav-list a:hover {
            background-color: #3498db;
            color: #fff;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            margin: 1rem 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #7f8c8d;
        }
        .breadcrumb a:hover {
            color: #3498db;
        }
        .breadcrumb .separator {
            margin: 0 10px;
            color: #95a5a6;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
        }
        .featured-image {
            width: 100%;
            border-radius: 10px;
            overflow: hidden;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            padding: 0.5rem;
            background: #f8f9fa;
            border-radius: 0 0 10px 10px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
        }
        .data-table th {
            background-color: #3498db;
            color: white;
            padding: 1rem;
            text-align: left;
        }
        .data-table td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #eee;
        }
        .data-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .data-table tr:hover {
            background-color: #e3f2fd;
        }
        .interaction-section {
            background: #f1f8ff;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            border-left: 5px solid #3498db;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #f1c40f;
            cursor: pointer;
            margin: 0.5rem 0;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #f39c12;
        }
        .submit-btn {
            background: linear-gradient(to right, #1a2980, #26d0ce);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            font-size: 1.1rem;
            border-radius: 50px;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0,0,0,0.1);
        }
        .widget {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
        }
        .widget:last-child {
            border-bottom: none;
        }
        .widget-title {
            font-size: 1.4rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f39c12;
        }
        .widget-list {
            list-style: none;
        }
        .widget-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .widget-list li:before {
            content: "▸";
            color: #3498db;
            position: absolute;
            left: 0;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: 5px;
            box-shadow: 0 3px 8px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
            background: #e3f2fd;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            border-radius: 10px 10px 0 0;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, #ffdd00, #ff5e00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a6572;
            color: #bdc3c7;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .logo-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .search-container {
                max-width: 100%;
                margin: 1rem 0;
                order: 3;
            }
            .hamburger {
                display: block;
                position: absolute;
                right: 1rem;
                top: 1rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0;
            }
            .nav-list.active {
                display: flex;
            }
            .nav-list li {
                width: 100%;
                text-align: center;
            }
            .article-content {
                padding: 1.5rem;
            }
            .web-links-container {
                grid-template-columns: 1fr;
            }
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff9e6, #fff0cc);
            border-left: 5px solid #f39c12;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .mt-3 {
            margin-top: 3rem;
        }