* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            color: #333;
            line-height: 1.7;
            font-size: 1.1rem;
            padding-top: 80px;
            max-width: 1400px;
            margin: 0 auto;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
        }
        h1, h2, h3, h4 {
            color: #2c3e50;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 3.2rem;
            border-bottom: 5px solid #3498db;
            padding-bottom: 15px;
            text-align: center;
            background: linear-gradient(90deg, #2c3e50, #3498db);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        h2 {
            font-size: 2.4rem;
            border-left: 6px solid #e74c3c;
            padding-left: 15px;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #2980b9;
            margin-top: 2.5rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #16a085;
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
            padding: 0 10px;
        }
        strong {
            color: #e74c3c;
            font-weight: 800;
        }
        em {
            color: #8e44ad;
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid #3498db;
            padding-left: 20px;
            margin: 2rem;
            font-style: italic;
            background: rgba(52, 152, 219, 0.05);
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        .container {
            width: 95%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background: linear-gradient(90deg, #1a2980, #26d0ce);
            color: white;
            padding: 1rem 0;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            max-width: 1400px;
            left: 50%;
            transform: translateX(-50%);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
        }
        .my-logo span {
            color: #f1c40f;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            transform: scale(1.05);
            transition: transform 0.3s;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 5px;
            transition: all 0.3s;
        }
        nav a:hover, nav a.active {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #ecf0f1;
            border-radius: 8px;
            margin: 20px 0;
            padding-left: 20px;
        }
        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            margin: 40px 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 20px auto;
        }
        .search-form input {
            flex: 1;
            padding: 15px;
            border: 2px solid #3498db;
            border-radius: 8px 0 0 8px;
            font-size: 1.1rem;
        }
        .search-form button {
            background: linear-gradient(90deg, #3498db, #2980b9);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: linear-gradient(90deg, #2980b9, #1c5a7a);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 30px;
            padding: 20px;
        }
        .content {
            background: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.05);
        }
        aside {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            border-bottom: 3px solid #f1c40f;
            padding-bottom: 10px;
            margin-bottom: 15px;
        }
        .sidebar-widget ul {
            list-style: none;
        }
        .sidebar-widget li {
            margin-bottom: 12px;
        }
        .sidebar-widget a {
            color: #2c3e50;
            text-decoration: none;
            display: block;
            padding: 10px;
            border-radius: 6px;
            transition: all 0.3s;
            border-left: 4px solid transparent;
        }
        .sidebar-widget a:hover {
            background: #f8f9fa;
            border-left-color: #3498db;
            padding-left: 15px;
        }
        .interactive-section {
            background: #f8f9fa;
            border-radius: 15px;
            padding: 30px;
            margin: 40px 0;
            border: 2px dashed #bdc3c7;
        }
        .rating-section, .comment-section {
            margin: 30px 0;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover, .star.active {
            color: #f1c40f;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #bdc3c7;
            border-radius: 8px;
            font-size: 1rem;
            margin: 15px 0;
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button, .rating-form button {
            background: linear-gradient(90deg, #2ecc71, #27ae60);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .comment-form button:hover, .rating-form button:hover {
            background: linear-gradient(90deg, #27ae60, #219653);
        }
        .article-image {
            width: 100%;
            border-radius: 15px;
            margin: 30px 0;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: transform 0.5s;
            max-height: 500px;
            object-fit: cover;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .link-list {
            background: #e8f4fc;
            padding: 25px;
            border-radius: 12px;
            margin: 40px 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .link-list a {
            color: #2980b9;
            text-decoration: none;
            padding: 12px;
            background: white;
            border-radius: 8px;
            display: block;
            transition: all 0.3s;
            border: 1px solid #d6eaf8;
        }
        .link-list a:hover {
            background: #3498db;
            color: white;
            transform: translateY(-5px);
            box-shadow: 0 7px 15px rgba(52, 152, 219, 0.3);
        }
        footer {
            background: linear-gradient(90deg, #2c3e50, #34495e);
            color: white;
            padding: 40px 0 20px;
            margin-top: 60px;
            border-radius: 20px 20px 0 0;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            padding-bottom: 30px;
        }
        .footer-section h4 {
            color: #f1c40f;
            border-bottom: 2px solid #f1c40f;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: #3498db;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #445566;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 70px;
                font-size: 1rem;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(26, 41, 128, 0.95);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                border-radius: 0 0 15px 15px;
            }
            nav ul.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .content, .search-section, .interactive-section {
                padding: 25px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input, .search-form button {
                width: 100%;
                border-radius: 8px;
                margin-bottom: 10px;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
        }