* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #6C63FF;
            --secondary: #FF6B6B;
            --accent: #FFD93D;
            --bg: #f0f4f8;
            --text: #2d3436;
            --light-text: #636e72;
            --white: #ffffff;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 16px;
            --transition: all 0.3s ease;
        }
        body {
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        .site-header {
            background: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo a {
            font-size: 28px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            font-size: 32px;
            color: var(--secondary);
            -webkit-text-fill-color: var(--secondary);
        }
        .main-nav {
            display: flex;
            gap: 24px;
            align-items: center;
        }
        .main-nav a {
            font-weight: 600;
            color: var(--text);
            padding: 8px 12px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .main-nav a:hover {
            background: var(--primary);
            color: var(--white);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            cursor: pointer;
            color: var(--primary);
        }
        .breadcrumb {
            background: transparent;
            padding: 12px 24px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            font-size: 14px;
        }
        .breadcrumb .container {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--light-text);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span.sep {
            color: var(--light-text);
        }
        .search-section {
            background: var(--white);
            padding: 16px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }
        .search-form {
            display: flex;
            max-width: 560px;
            margin: 0 auto;
            border: 2px solid var(--primary);
            border-radius: 40px;
            overflow: hidden;
            background: var(--white);
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 12px 20px;
            font-size: 16px;
            outline: none;
        }
        .search-form button {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 12px 24px;
            cursor: pointer;
            transition: var(--transition);
            font-size: 16px;
        }
        .search-form button:hover {
            background: var(--secondary);
        }
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: var(--white);
            padding: 48px 0;
            text-align: center;
            margin-bottom: 32px;
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            margin-bottom: 12px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .hero p {
            font-size: 18px;
            opacity: 0.95;
            max-width: 700px;
            margin: 0 auto;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 32px 0;
        }
        .article-body {
            background: var(--white);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow);
        }
        .article-body h2 {
            font-size: 30px;
            color: var(--primary);
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
        }
        .article-body h3 {
            font-size: 24px;
            color: var(--text);
            margin: 28px 0 12px;
        }
        .article-body h4 {
            font-size: 19px;
            color: var(--light-text);
            margin: 20px 0 10px;
        }
        .article-body p {
            margin-bottom: 16px;
            font-size: 16.5px;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body img {
            max-width: 100%;
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-body .quote {
            border-left: 4px solid var(--primary);
            background: #f8f7ff;
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
        }
        .article-body .tip-box {
            background: #fffbea;
            border: 1px solid #ffeaa7;
            border-radius: 8px;
            padding: 16px 20px;
            margin: 20px 0;
        }
        .article-body .pro-tip {
            background: #e8f8f5;
            border: 1px solid #1abc9c;
            border-radius: 8px;
            padding: 14px 18px;
            margin: 20px 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .widget {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 18px;
            margin-bottom: 14px;
            color: var(--primary);
        }
        .widget ul {
            list-style: none;
            padding: 0;
        }
        .widget ul li {
            margin-bottom: 10px;
            padding: 6px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .widget ul li a {
            font-weight: 500;
        }
        .rating-section {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            margin-top: 32px;
        }
        .rating-section h2 {
            font-size: 24px;
            margin-bottom: 16px;
        }
        .star-rating {
            display: flex;
            gap: 8px;
            font-size: 32px;
            margin-bottom: 16px;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating i.active {
            color: var(--accent);
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            min-height: 100px;
            font-size: 14px;
            resize: vertical;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            margin-bottom: 12px;
        }
        .btn-submit {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 12px 24px;
            border-radius: 30px;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .btn-submit:hover {
            background: var(--secondary);
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(108, 99, 255, 0.4);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }
        .comparison-table th,
        .comparison-table td {
            padding: 12px;
            border: 1px solid #e0e0e0;
            text-align: left;
        }
        .comparison-table th {
            background: var(--primary);
            color: var(--white);
        }
        .comparison-table tr:nth-child(even) {
            background: #f9f9f9;
        }
        .site-footer {
            background: #2d3436;
            color: #b2bec3;
            padding: 48px 0 24px;
            margin-top: 48px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: #b2bec3;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            margin-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
        }
        .friend-link {
            display: block;
            text-align: center;
            padding: 16px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            margin: 16px auto;
            max-width: 600px;
            font-size: 14px;
        }
        .friend-link a {
            color: var(--accent);
            margin: 0 8px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .widget {
                flex: 1;
                min-width: 200px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--white);
                padding: 12px;
                border-radius: 0 0 var(--radius) var(--radius);
                box-shadow: var(--shadow);
            }
            .main-nav.active {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 28px;
            }
            .article-body {
                padding: 16px;
            }
            .article-body h2 {
                font-size: 24px;
            }
            .article-body h3 {
                font-size: 20px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .header-inner {
                padding: 8px 12px;
            }
            .search-form input {
                padding: 10px 14px;
            }
        }