* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f1419;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
            text-shadow: 0 0 8px rgba(116, 192, 252, 0.4);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2332 0%, #0f1419 100%);
            border-bottom: 2px solid #2a3a5a;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #ff6b6b, #4dabf7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }
        .logo a:hover {
            background: linear-gradient(90deg, #ff8787, #74c0fc);
            -webkit-background-clip: text;
            background-clip: text;
        }
        .breadcrumb {
            margin-top: 0.5rem;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .breadcrumb a {
            color: #a0aec0;
        }
        .breadcrumb a:hover {
            color: #4dabf7;
        }
        .breadcrumb span {
            margin: 0 5px;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #cbd5e0;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4dabf7;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #cbd5e0;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 0;
            right: -100%;
            height: 100vh;
            width: 280px;
            background: #1a2332;
            padding: 2rem;
            transition: right 0.4s ease-in-out;
            z-index: 1001;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.7);
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            overflow-y: auto;
        }
        .nav-mobile.active {
            right: 0;
        }
        .nav-mobile a {
            color: #cbd5e0;
            font-size: 1.2rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid #2d3748;
            display: block;
        }
        .nav-mobile a:hover {
            color: #4dabf7;
            padding-left: 10px;
        }
        .close-menu {
            align-self: flex-end;
            background: none;
            border: none;
            color: #cbd5e0;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            display: none;
        }
        .overlay.active {
            display: block;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-hero {
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid #2d3748;
        }
        .article-hero h1 {
            font-size: 2.8rem;
            color: #ffffff;
            margin-bottom: 1rem;
            line-height: 1.2;
            background: linear-gradient(90deg, #ffffff, #4dabf7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        @media (max-width: 768px) {
            .article-hero h1 {
                font-size: 2.2rem;
            }
        }
        .meta {
            display: flex;
            gap: 1.5rem;
            color: #a0aec0;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }
        .meta i {
            margin-right: 0.5rem;
        }
        .intro {
            font-size: 1.3rem;
            color: #d1d9e6;
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: rgba(42, 58, 90, 0.3);
            border-left: 4px solid #4dabf7;
            border-radius: 0 8px 8px 0;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            font-size: 2rem;
            color: #74c0fc;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2a3a5a;
        }
        h3 {
            font-size: 1.6rem;
            color: #a5d8ff;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .highlight {
            background: rgba(255, 107, 107, 0.1);
            border-left: 4px solid #ff6b6b;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight strong {
            color: #ffa8a8;
        }
        .pro-tip {
            background: rgba(77, 171, 247, 0.1);
            border-left: 4px solid #4dabf7;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .pro-tip::before {
            content: "💡 PRO TIP: ";
            font-weight: bold;
            color: #4dabf7;
        }
        .image-wrapper {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-wrapper img {
            border-radius: 10px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            border: 1px solid #374151;
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            max-height: 500px;
            object-fit: cover;
            width: 100%;
        }
        .image-wrapper img:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
        }
        .image-caption {
            margin-top: 0.75rem;
            font-style: italic;
            color: #a0aec0;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.75rem;
        }
        blockquote {
            font-size: 1.2rem;
            color: #cbd5e0;
            border-left: 5px solid #ff6b6b;
            padding-left: 1.5rem;
            margin: 2.5rem 0;
            font-style: italic;
            background: rgba(42, 58, 90, 0.3);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .key-term {
            font-weight: bold;
            color: #ffd43b;
            border-bottom: 1px dashed #ffd43b;
            cursor: help;
        }
        .code-block {
            background: #1e2a3e;
            border: 1px solid #374151;
            border-radius: 8px;
            padding: 1.5rem;
            font-family: 'Courier New', monospace;
            margin: 2rem 0;
            overflow-x: auto;
            white-space: pre;
            color: #e9ecef;
        }
        .code-block span {
            color: #ffa8a8;
        }
        .interactive-demo {
            background: rgba(42, 58, 90, 0.5);
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #4dabf7;
        }
        .interactive-demo h3 {
            color: #74c0fc;
            margin-top: 0;
        }
        .sidebar {
            padding-top: 1rem;
        }
        .sidebar-widget {
            background: #1a2332;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            border: 1px solid #2d3748;
        }
        .sidebar-widget h3 {
            color: #74c0fc;
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #2d3748;
        }
        .popular-links a {
            display: block;
            padding: 0.8rem 0;
            border-bottom: 1px solid #2d3748;
            color: #cbd5e0;
        }
        .popular-links a:last-child {
            border-bottom: none;
        }
        .popular-links a:hover {
            color: #4dabf7;
            padding-left: 10px;
        }
        .ads {
            text-align: center;
            color: #a0aec0;
            font-size: 0.9rem;
            padding: 2rem 1rem;
            background: rgba(42, 58, 90, 0.3);
            border-radius: 8px;
        }
        .search-widget form {
            display: flex;
        }
        .search-widget input {
            flex-grow: 1;
            padding: 0.9rem 1rem;
            background: #2d3748;
            border: 1px solid #4a5568;
            border-right: none;
            border-radius: 8px 0 0 8px;
            color: #e2e8f0;
            font-size: 1rem;
        }
        .search-widget button {
            background: #4dabf7;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s ease;
        }
        .search-widget button:hover {
            background: #339af0;
        }
        .comment-section, .rating-section {
            background: #1a2332;
            border-radius: 12px;
            padding: 2.5rem;
            margin: 3rem 0;
            border: 1px solid #2d3748;
        }
        .comment-section h2, .rating-section h2 {
            color: #74c0fc;
            border-bottom: none;
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            color: #cbd5e0;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 1rem;
            background: #2d3748;
            border: 1px solid #4a5568;
            border-radius: 8px;
            color: #e2e8f0;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4dabf7;
            box-shadow: 0 0 0 3px rgba(77, 171, 247, 0.2);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(90deg, #4dabf7, #339af0);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-block;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, #339af0, #228be6);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.5rem;
            color: #4a5568;
            cursor: pointer;
            transition: color 0.2s ease;
            margin-bottom: 0;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffd43b;
        }
        .internal-links {
            background: #1a2332;
            padding: 3rem 0;
            border-top: 2px solid #2a3a5a;
            border-bottom: 2px solid #2a3a5a;
        }
        .internal-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(42, 58, 90, 0.4);
            padding: 1.2rem;
            border-radius: 8px;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .web-link:hover {
            transform: translateY(-5px);
            background: rgba(42, 58, 90, 0.7);
        }
        .web-link a {
            color: #cbd5e0;
            font-size: 1.05rem;
            display: block;
        }
        .web-link a:hover {
            color: #74c0fc;
        }
        .site-footer {
            background: #0f1419;
            padding: 3rem 0 2rem;
            text-align: center;
            color: #a0aec0;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-links a {
            color: #a0aec0;
        }
        .copyright {
            font-size: 0.95rem;
            border-top: 1px solid #2d3748;
            padding-top: 2rem;
            margin-top: 2rem;
        }