* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #C51111; 
            --secondary: #132257; 
            --accent: #FFBF00;
            --light: #F8F9FA;
            --dark: #212529;
            --gray: #6C757D;
            --success: #28A745;
            --danger: #DC3545;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f0f2f5;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--secondary);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span {
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.03);
            transition: var(--transition);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        nav a:hover, nav a.active {
            background-color: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: var(--transition);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--light);
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
            color: var(--primary);
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            color: var(--gray);
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
        }
        article {
            background-color: white;
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .search-box {
            display: flex;
            margin-bottom: 5px;
        }
        .search-box input {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--primary);
        }
        .rating-widget h3, .comments-widget h3 {
            margin-bottom: 15px;
            color: var(--secondary);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin-bottom: 15px;
        }
        .star {
            color: #ddd;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: var(--accent);
        }
        .rating-form button, .comment-form button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
            margin-top: 10px;
        }
        .rating-form button:hover, .comment-form button:hover {
            background-color: var(--primary);
        }
        textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            resize: vertical;
            min-height: 100px;
            font-size: 1rem;
        }
        h1 {
            color: var(--secondary);
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 15px;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            color: var(--gray);
            font-size: 0.95rem;
            flex-wrap: wrap;
            gap: 10px;
        }
        .update-time {
            background-color: #e9ecef;
            padding: 5px 10px;
            border-radius: var(--radius);
            font-weight: 600;
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e9ecef;
        }
        h3 {
            color: var(--primary);
            font-size: 1.6rem;
            margin: 30px 0 15px;
        }
        h4 {
            color: var(--dark);
            font-size: 1.3rem;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.7;
        }
        .highlight {
            background-color: #fff9db;
            border-left: 4px solid var(--accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .highlight p {
            margin-bottom: 0;
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--radius);
            margin: 25px 0;
            box-shadow: var(--shadow);
        }
        .content-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }
        .content-link:hover {
            text-decoration: underline;
            color: var(--secondary);
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }
        footer {
            background-color: var(--secondary);
            color: white;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 20px 0;
        }
        friend-link a {
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
            padding: 8px 15px;
            border-radius: var(--radius);
            text-decoration: none;
            transition: var(--transition);
        }
        friend-link a:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                order: 3;
                margin-top: 15px;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 10px;
            }
            .hamburger {
                display: flex;
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(6px, 6px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(6px, -6px);
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            article {
                padding: 20px;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .interactive-section {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 25px;
            border-radius: var(--radius);
            margin: 30px 0;
            border: 1px dashed var(--primary);
        }
        .interactive-section h3 {
            color: var(--secondary);
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 5px;
        }
        .keyword {
            background-color: #e7f1ff;
            color: var(--secondary);
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .text-center { text-align: center; }
        .text-bold { font-weight: 700; }
        .text-primary { color: var(--primary); }
        .mb-20 { margin-bottom: 20px; }
        .mt-30 { margin-top: 30px; }
        .p-20 { padding: 20px; }