* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            text-decoration: none;
            color: #007bff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        ul, ol {
            padding-left: 20px;
            margin-bottom: 1.5em;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, #1a237e, #283593);
            color: white;
            padding: 1.5em 0;
            border-radius: 0 0 10px 10px;
            margin-bottom: 2em;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2em;
            font-weight: 800;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(90deg, #ff9800, #ffeb3b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 5px 0;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.8em;
        }
        .nav-list a {
            color: #e3f2fd;
            font-weight: 600;
            font-size: 1.05em;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .nav-list a:hover {
            background-color: rgba(255,255,255,0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8em;
            cursor: pointer;
            color: white;
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 1em 0;
            font-size: 0.95em;
            color: #666;
            margin-bottom: 1.5em;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #1a237e;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5em;
            margin-bottom: 3em;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-article {
            background: white;
            padding: 2.5em;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        .article-header {
            margin-bottom: 2em;
            border-bottom: 2px solid #e0e0e0;
            padding-bottom: 1em;
        }
        h1 {
            font-size: 2.8em;
            color: #1a237e;
            margin-bottom: 0.3em;
            line-height: 1.2;
        }
        .last-updated {
            font-style: italic;
            color: #777;
            font-size: 0.95em;
            margin-bottom: 1.5em;
        }
        h2 {
            font-size: 2em;
            color: #283593;
            margin: 1.5em 0 0.8em;
            padding-bottom: 0.3em;
            border-bottom: 1px solid #e0e0e0;
        }
        h3 {
            font-size: 1.6em;
            color: #3949ab;
            margin: 1.3em 0 0.6em;
        }
        h4 {
            font-size: 1.3em;
            color: #5c6bc0;
            margin: 1em 0 0.5em;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
            font-size: 1.05em;
            color: #444;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 1.5em;
            border-left: 5px solid #ff9800;
            margin: 1.8em 0;
            border-radius: 0 8px 8px 0;
        }
        .article-image {
            margin: 2em auto;
            text-align: center;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .article-image figcaption {
            font-size: 0.9em;
            color: #666;
            margin-top: 0.5em;
            font-style: italic;
        }
        .sidebar {
            background: white;
            padding: 1.8em;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
            align-self: start;
        }
        .sidebar-section {
            margin-bottom: 2em;
        }
        .sidebar h3 {
            font-size: 1.4em;
            color: #1a237e;
            margin-bottom: 0.8em;
            padding-bottom: 0.3em;
            border-bottom: 2px solid #ff9800;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1em;
        }
        input, textarea, select {
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1em;
            width: 100%;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #007bff;
            box-shadow: 0 0 0 3px rgba(0,123,255,0.25);
        }
        button {
            padding: 12px 20px;
            background: linear-gradient(135deg, #1a237e, #283593);
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 1em;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        button:hover {
            background: linear-gradient(135deg, #283593, #1a237e);
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.8em;
            color: #ffc107;
            margin-bottom: 0.5em;
        }
        .star-rating i {
            cursor: pointer;
        }
        .site-footer {
            background: #1a237e;
            color: white;
            padding: 2.5em 0;
            border-radius: 10px 10px 0 0;
            margin-top: 3em;
            text-align: center;
        }
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5em;
            margin-bottom: 1.5em;
        }
        .friend-links a {
            color: #bbdefb;
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 5px;
            background-color: rgba(255,255,255,0.05);
        }
        .friend-links a:hover {
            background-color: rgba(255,255,255,0.1);
            text-decoration: none;
            color: white;
        }
        .copyright {
            font-size: 0.9em;
            color: #b0bec5;
            margin-top: 1em;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: 0.8em;
            }
            .main-nav {
                width: 100%;
                justify-content: space-between;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #283593;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1em;
                border-radius: 0 0 10px 10px;
                z-index: 1000;
            }
            .nav-list.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2em;
            }
            h2 {
                font-size: 1.8em;
            }
            .main-article {
                padding: 1.8em;
            }
            .sidebar {
                padding: 1.5em;
            }
        }