* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #e10600; 
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #000;
        }
        ul {
            list-style-position: inside;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, #000 0%, #1e1e1e 100%);
            color: #fff;
            padding: 1rem 5%;
            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;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Orbitron', sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #e10600, #ffffff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav {
            display: flex;
        }
        .main-nav ul {
            display: flex;
            gap: 2rem;
        }
        .main-nav li {
            list-style: none;
        }
        .main-nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover {
            border-bottom-color: #e10600;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: #fff;
            border-radius: 2px;
            transition: 0.3s;
        }
        .breadcrumb {
            padding: 1rem 5%;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #e10600;
        }
        .search-container {
            background-color: #fff;
            padding: 2rem 5%;
            border-bottom: 1px solid #dee2e6;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background: #e10600;
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background-color 0.3s;
        }
        .search-button:hover {
            background: #b90500;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr minmax(300px, 25%);
            gap: 3rem;
            padding: 3rem 5%;
            max-width: 1600px;
            margin: 0 auto;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: #fff;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        h1 {
            font-size: 3rem;
            color: #000;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #e10600;
            padding-left: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin: 3rem 0 1.5rem 0;
            color: #1a1a1a;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        h3 {
            font-size: 1.7rem;
            margin: 2.5rem 0 1rem 0;
            color: #333;
        }
        h4 {
            font-size: 1.4rem;
            margin: 2rem 0 1rem 0;
            color: #555;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #444;
            font-weight: 400;
            line-height: 1.8;
            margin-bottom: 2.5rem;
            padding: 1.5rem;
            background: #f8f9fa;
            border-left: 4px solid #e10600;
            border-radius: 0 8px 8px 0;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff5f5, #fff);
            border-left: 5px solid #e10600;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
            box-shadow: 0 4px 8px rgba(225, 6, 0, 0.05);
        }
        .key-term {
            font-weight: 800;
            color: #000;
            background-color: #ffebee;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
        }
        .inline-icon {
            color: #e10600;
            margin: 0 0.3rem;
        }
        .article-img {
            width: 100%;
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            border: 1px solid #eee;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 1rem;
            font-size: 0.95rem;
            background: #f9f9f9;
        }
        .sidebar {
            background: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            margin-top: 0;
            color: #000;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid #e10600;
        }
        .widget-links li {
            list-style: none;
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #eee;
        }
        .widget-links a:hover {
            color: #000;
            padding-left: 5px;
        }
        .user-interaction {
            background: #fff;
            padding: 3rem;
            margin: 3rem 5%;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        .interaction-box {
            padding: 2rem;
            border: 1px solid #e9ecef;
            border-radius: 10px;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .interaction-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .interaction-box h3 {
            color: #e10600;
            margin-top: 0;
        }
        .rating-stars {
            direction: rtl;
            font-size: 1.8rem;
            unicode-bidi: bidi-override;
            margin: 1rem 0;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #ddd;
            cursor: pointer;
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: #ffc107;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-control {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #e10600;
            outline: none;
            box-shadow: 0 0 0 3px rgba(225, 6, 0, 0.1);
        }
        .submit-btn {
            background: #e10600;
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: #b90500;
        }
        .site-footer {
            background: #000;
            color: #ccc;
            padding: 3rem 5% 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        .footer-widget h4 {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid #e10600;
            display: inline-block;
        }
        friend-link {
            display: block;
            color: #aaa;
            margin-bottom: 0.8rem;
            padding: 0.5rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        friend-link:hover {
            color: #fff;
            background-color: #222;
            padding-left: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-top: 1px solid #333;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            .hamburger {
                display: flex;
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(5px, 5px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(7px, -6px);
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            .article-content {
                padding: 2rem;
            }
            .main-content {
                padding: 2rem 3%;
            }
            .user-interaction {
                padding: 2rem;
                margin: 2rem 3%;
            }
        }