* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #6a11cb;
            --secondary-color: #ff6b6b;
            --accent-color: #2575fc;
            --text-dark: #333;
            --text-light: #666;
            --bg-light: #f8f9fa;
            --bg-white: #fff;
            --border-color: #e1e5e9;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        header {
            background-color: var(--bg-white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .logo span {
            color: var(--secondary-color);
        }
        .desktop-nav ul {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 5px 0;
            position: relative;
        }
        .desktop-nav a:hover {
            color: var(--primary-color);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            bottom: 0;
            left: 0;
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-color);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--bg-white);
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            font-weight: 600;
        }
        .mobile-nav a:hover {
            color: var(--primary-color);
            padding-left: 10px;
        }
        .breadcrumb {
            background-color: #f1f3f5;
            padding: 15px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .search-section {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            padding: 40px 0;
            text-align: center;
            color: white;
            margin-bottom: 40px;
        }
        .search-box {
            max-width: 700px;
            margin: 20px auto 0;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 18px 25px;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }
        .search-box button {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        article {
            background: var(--bg-white);
            border-radius: 15px;
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 30px;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 20px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 15px;
            color: var(--text-dark);
        }
        .meta {
            display: flex;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .meta i {
            margin-right: 8px;
            color: var(--primary-color);
        }
        .content-section {
            margin-bottom: 40px;
        }
        h2 {
            font-size: 2rem;
            margin: 30px 0 20px;
            color: var(--primary-color);
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            margin: 25px 0 15px;
            color: var(--accent-color);
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            color: var(--text-dark);
        }
        .highlight {
            background: linear-gradient(120deg, rgba(106, 17, 203, 0.1) 0%, rgba(37, 117, 252, 0.1) 100%);
            border-left: 5px solid var(--primary-color);
            padding: 25px;
            border-radius: 0 10px 10px 0;
            margin: 30px 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 15px;
            overflow: hidden;
            margin: 30px 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: var(--bg-white);
            border-radius: 15px;
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--secondary-color);
        }
        .download-cta {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            text-align: center;
            padding: 30px;
            border-radius: 15px;
        }
        .download-cta h3 {
            color: white;
            margin-bottom: 15px;
        }
        .interaction-section {
            background: var(--bg-white);
            border-radius: 15px;
            padding: 40px;
            margin-top: 40px;
            box-shadow: var(--shadow);
        }
        .rating-widget {
            text-align: center;
            margin-bottom: 40px;
        }
        .stars {
            font-size: 2.5rem;
            color: #ffd700;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form, .rating-form {
            margin-top: 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 15px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(106, 17, 203, 0.1);
        }
        .long-tail-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 60px 0 40px;
        }
        .web-link {
            background: var(--bg-white);
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .web-link a {
            color: var(--accent-color);
            font-weight: 500;
        }
        .web-link a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        footer {
            background: #1a1a2e;
            color: #ccc;
            padding-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul li {
            margin-bottom: 12px;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding: 25px 0;
            border-top: 1px solid #2d3041;
            font-size: 0.95rem;
            color: #999;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .article-header h1 {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 12px 20px;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            article, .interaction-section, .sidebar-widget {
                padding: 25px;
            }
            .long-tail-links {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .meta {
                flex-direction: column;
                gap: 10px;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            .search-box button {
                position: relative;
                width: 100%;
                margin-top: 15px;
                right: 0;
                top: 0;
                transform: none;
            }
        }