:root {
            --primary-color: #6a11cb;
            --secondary-color: #2575fc;
            --accent-color: #ff4e50;
            --dark-bg: #1a1a2e;
            --light-bg: #f8f9fa;
            --text-dark: #2d3436;
            --text-light: #f1f2f6;
            --card-bg: #ffffff;
            --shadow: 0 10px 20px rgba(0,0,0,0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
            font-size: 16px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            background-attachment: fixed;
            padding-top: 80px;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        header {
            background: linear-gradient(90deg, var(--dark-bg) 0%, #16213e 100%);
            color: var(--text-light);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, #6a11cb, #2575fc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo a:hover {
            background: linear-gradient(to right, #ff4e50, #f9d423);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav li {
            margin-left: 25px;
        }
        nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        nav a:hover, nav a.active {
            background-color: rgba(106, 17, 203, 0.3);
            color: #fff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: rgba(255,255,255,0.9);
            border-bottom: 1px solid #eee;
            margin-bottom: 30px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
            font-size: 0.9rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #888;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin-bottom: 50px;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--card-bg);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-content h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--dark-bg);
            line-height: 1.2;
        }
        .article-content h2 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--primary-color);
            color: var(--dark-bg);
        }
        .article-content h3 {
            font-size: 1.4rem;
            margin: 25px 0 10px;
            color: var(--secondary-color);
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .article-content strong {
            color: var(--primary-color);
        }
        .highlight {
            background: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
            padding: 20px;
            border-left: 5px solid var(--primary-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 25px 0;
        }
        .feature-img {
            margin: 30px 0;
            position: relative;
            overflow: hidden;
        }
        .feature-img img {
            transition: transform 0.5s ease;
            width: 100%;
        }
        .feature-img:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .widget {
            background-color: var(--card-bg);
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            margin-bottom: 20px;
            color: var(--dark-bg);
            border-left: 4px solid var(--accent-color);
            padding-left: 10px;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 5px;
            font-weight: 600;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(106, 17, 203, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #2575fc, #6a11cb);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(50, 50, 93, 0.1);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffd700;
        }
        .longtail-links {
            background-color: var(--dark-bg);
            padding: 40px 20px;
            margin-top: 50px;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            padding: 15px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(106, 17, 203, 0.3);
            transform: translateX(5px);
        }
        .web-link a {
            color: var(--text-light);
            display: block;
        }
        footer {
            background-color: #0f1419;
            color: var(--text-light);
            text-align: center;
            padding: 30px 20px;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
            color: #aaa;
            border-top: 1px solid #333;
            padding-top: 20px;
        }
        @media (max-width: 768px) {
            body {
                padding-top: 70px;
            }
            .header-container {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                order: 3;
                margin-top: 15px;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                background-color: var(--dark-bg);
                border-radius: 8px;
                padding: 15px;
            }
            nav li {
                margin: 10px 0;
            }
            .hamburger {
                display: block;
            }
            .article-content h1 {
                font-size: 2rem;
            }
            .article-content h2 {
                font-size: 1.5rem;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .section-divider {
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            margin: 40px 0;
            border-radius: 2px;
        }
        .float-icon {
            float: left;
            margin-right: 15px;
            font-size: 2.5rem;
            color: var(--primary-color);
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }