* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #e0e0e0;
            background: #0a0a12;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #74c0fc;
        }
        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, #111122 0%, #1a1a2e 100%);
            border-bottom: 1px solid #2d2d4d;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #74c0fc, #4dabf7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .logo span {
            color: #adb5bd;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4dabf7;
            transition: width 0.3s;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background: #1a1a2e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            border-top: 1px solid #2d2d4d;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 1rem;
        }
        .mobile-nav a {
            display: block;
            padding: 0.75rem;
            border-radius: 5px;
            background: #252544;
        }
        .mobile-nav a:hover {
            background: #2d2d5d;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #151522;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #adb5bd;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .main-content {
            padding: 3rem 0;
            background: #0f0f1a;
        }
        .article-header {
            margin-bottom: 3rem;
            text-align: center;
        }
        .article-header h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            line-height: 1.2;
            margin-bottom: 1.5rem;
            background: linear-gradient(to right, #fff, #a5d8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .meta {
            color: #868e96;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .meta i {
            margin-right: 0.5rem;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            font-size: 1.1rem;
        }
        .article-body h2 {
            font-size: 2.2rem;
            margin: 2.5rem 0 1.5rem;
            color: #e9ecef;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2d2d4d;
        }
        .article-body h3 {
            font-size: 1.7rem;
            margin: 2rem 0 1rem;
            color: #d0d7e0;
        }
        .article-body p {
            margin-bottom: 1.8rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(145deg, #1a1a2e, #151525);
            border-left: 5px solid #4dabf7;
            padding: 1.8rem;
            border-radius: 0 10px 10px 0;
            margin: 2.5rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        .highlight-box h3 {
            margin-top: 0;
            color: #74c0fc;
        }
        .featured-image {
            margin: 3rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            border: 1px solid #343a40;
        }
        .featured-image figcaption {
            padding: 1rem;
            background: #151525;
            font-style: italic;
            color: #adb5bd;
            text-align: center;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 0.3em;
        }
        .bold-term {
            font-weight: 800;
            color: #fff;
        }
        .break-line {
            height: 1px;
            background: linear-gradient(to right, transparent, #4dabf7, transparent);
            margin: 2.5rem 0;
        }
        .sidebar {
            background: #151525;
            border-radius: 12px;
            padding: 2rem;
            align-self: start;
            border: 1px solid #2d2d4d;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: #e9ecef;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #4dabf7;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem;
            border: 1px solid #495057;
            background: #0f0f1a;
            color: #fff;
            border-radius: 6px 0 0 6px;
        }
        .search-form button {
            background: #4dabf7;
            color: #fff;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #339af0;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-widget label {
            font-weight: 600;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #495057;
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star:hover ~ .star {
            color: #ffd43b;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars input:checked ~ .star {
            color: #ffd43b;
        }
        .rating-stars input:checked + .star ~ .star {
            color: #495057;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            background: #0f0f1a;
            border: 1px solid #495057;
            color: #fff;
            border-radius: 6px;
            min-height: 150px;
            resize: vertical;
            margin-bottom: 1rem;
        }
        .submit-btn {
            background: linear-gradient(to right, #4dabf7, #339af0);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s;
            width: 100%;
        }
        .submit-btn:hover {
            transform: translateY(-2px);
        }
        .long-tail-section {
            background: #111122;
            padding: 3rem 0;
            border-top: 1px solid #2d2d4d;
            border-bottom: 1px solid #2d2d4d;
        }
        .long-tail-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: #1a1a2e;
            padding: 1.5rem;
            border-radius: 8px;
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid #2d2d4d;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(77, 171, 247, 0.2);
            border-color: #4dabf7;
        }
        .web-link a {
            color: #e9ecef;
            font-weight: 600;
            display: block;
        }
        .site-footer {
            background: #0a0a12;
            padding: 3rem 0 2rem;
            text-align: center;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .copyright {
            color: #868e96;
            font-size: 0.9rem;
            border-top: 1px solid #2d2d4d;
            padding-top: 2rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 0 15px;
            }
            .content-wrapper {
                padding: 0 15px;
            }
            .article-body h2 {
                font-size: 1.9rem;
            }
            .article-body h3 {
                font-size: 1.5rem;
            }
            .footer-links {
                flex-direction: column;
                align-items: center;
                gap: 1rem;
            }
            .meta {
                flex-direction: column;
                gap: 0.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-body, .sidebar {
            animation: fadeIn 0.8s ease-out;
        }