* {
            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: inherit;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 1.5rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 60px 0;
        }
        .section-title {
            font-size: 2.5rem;
            color: #1a365d;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #e53e3e;
            position: relative;
        }
        .section-title::after {
            content: '🎯';
            position: absolute;
            right: 0;
            bottom: -5px;
            font-size: 1.8rem;
        }
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: linear-gradient(135deg, #e53e3e, #c53030);
            color: white;
            border-radius: 6px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(229, 62, 62, 0.3);
        }
        .btn:hover {
            background: linear-gradient(135deg, #c53030, #9b2c2c);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(229, 62, 62, 0.4);
        }
        .text-highlight {
            color: #e53e3e;
            font-weight: 700;
        }
        .note {
            background-color: #fff3cd;
            border-left: 5px solid #ffc107;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 5px 5px 0;
        }
        .card {
            background: white;
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            margin-bottom: 30px;
            transition: transform 0.3s ease;
        }
        .card:hover {
            transform: translateY(-8px);
        }
        header {
            background: linear-gradient(90deg, #0f2027, #203a43, #2c5364);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(to right, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #f7971e;
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #f7971e;
        }
        .mobile-nav {
            display: none;
            background: #203a43;
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            display: block;
            padding: 10px;
            border-radius: 5px;
            font-weight: 600;
        }
        .mobile-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #e53e3e;
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        .hero {
            background: linear-gradient(rgba(15, 32, 39, 0.85), rgba(32, 58, 67, 0.9)), url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 100px 20px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .search-box {
            max-width: 700px;
            margin: 40px auto;
            padding: 20px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid #ddd;
            border-radius: 8px 0 0 8px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-box input:focus {
            border-color: #e53e3e;
        }
        .search-box button {
            padding: 0 25px;
            background: #2c5364;
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #203a43;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content h2 {
            font-size: 2.2rem;
            color: #1a365d;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 10px;
            border-bottom: 2px dashed #cbd5e0;
        }
        .article-content h3 {
            font-size: 1.8rem;
            color: #2d3748;
            margin: 2rem 0 1rem;
        }
        .article-content h4 {
            font-size: 1.4rem;
            color: #4a5568;
            margin: 1.5rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.8rem;
        }
        .inline-link {
            color: #e53e3e;
            font-weight: 600;
            border-bottom: 1px dotted #e53e3e;
        }
        .inline-link:hover {
            color: #9b2c2c;
            border-bottom-style: solid;
        }
        .feature-img {
            border-radius: 12px;
            overflow: hidden;
            margin: 30px 0;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            border: 5px solid white;
        }
        .sidebar .card {
            padding: 20px;
        }
        .sidebar h3 {
            color: #1a365d;
            margin-bottom: 20px;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar h3 i {
            color: #e53e3e;
        }
        .related-links a {
            display: block;
            padding: 12px 15px;
            margin-bottom: 10px;
            background: #f7fafc;
            border-radius: 8px;
            border-left: 4px solid #2c5364;
        }
        .related-links a:hover {
            background: #edf2f7;
            border-left-color: #e53e3e;
        }
        .rating-section, .comment-section {
            background: white;
            padding: 30px;
            border-radius: 12px;
            margin-top: 40px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0 25px;
            font-size: 2rem;
            color: #ffc107;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus, .form-group textarea:focus {
            border-color: #e53e3e;
            outline: none;
        }
        .comment-list {
            margin-top: 40px;
        }
        .comment-item {
            padding: 20px;
            border-bottom: 1px solid #e2e8f0;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: bold;
            color: #2d3748;
        }
        .comment-date {
            font-size: 0.9rem;
            color: #718096;
        }
        footer {
            background: #0f2027;
            color: #cbd5e0;
            padding: 60px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            margin-bottom: 20px;
            background: linear-gradient(to right, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: #f7971e;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            padding: 12px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            margin-bottom: 10px;
            text-align: center;
            font-weight: 600;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #f7971e;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #2d3748;
            font-size: 0.95rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
            .section-title {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero {
                padding: 70px 20px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .search-box form {
                flex-direction: column;
            }
            .search-box input, .search-box button {
                width: 100%;
                border-radius: 8px;
                margin-bottom: 10px;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .article-content h3 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 576px) {
            .section-title {
                font-size: 1.8rem;
            }
            .btn {
                padding: 10px 20px;
            }
            .stars {
                font-size: 1.5rem;
            }
        }