* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #4a00e0;
            --secondary: #8e2de2;
            --accent: #00c9ff;
            --dark: #121212;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #28a745;
            --warning: #ffc107;
            --danger: #dc3545;
            --border-radius: 12px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --max-width: 1280px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #fff;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        h1 {
            font-size: 3.5rem;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1.5rem;
        }
        h2 {
            font-size: 2.5rem;
            border-left: 6px solid var(--accent);
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--secondary);
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: rgba(74, 0, 224, 0.1); padding: 0.2rem 0.5rem; border-radius: 4px; }
        .site-header {
            background-color: var(--dark);
            color: var(--light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--accent), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--light);
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
        }
        .main-nav a:hover {
            background-color: rgba(255,255,255,0.1);
            text-decoration: none;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f1f3f5;
            padding: 1rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--gray);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        .article-content {
            max-width: 100%;
        }
        .sidebar {
            background-color: #f8f9fa;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            margin-top: 0;
            color: var(--dark);
        }
        .sidebar ul {
            list-style: none;
            margin-bottom: 2rem;
        }
        .sidebar li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .sidebar li::before {
            content: "▸";
            position: absolute;
            left: 0;
            color: var(--primary);
        }
        .functional-box {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
            border: 1px solid #e9ecef;
        }
        .functional-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .functional-box h3 i {
            color: var(--accent);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #dee2e6;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 0, 224, 0.2);
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            padding: 0.9rem 2rem;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(74, 0, 224, 0.3);
            text-decoration: none;
            color: white;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .star-rating i {
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .article-intro {
            font-size: 1.3rem;
            color: var(--gray);
            border-left: 4px solid var(--accent);
            padding-left: 1.5rem;
            margin-bottom: 3rem;
        }
        .pro-tip, .warning-box, .info-box {
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            border-left: 6px solid;
        }
        .pro-tip {
            background-color: rgba(0, 201, 255, 0.08);
            border-left-color: var(--accent);
        }
        .warning-box {
            background-color: rgba(255, 193, 7, 0.1);
            border-left-color: var(--warning);
        }
        .info-box {
            background-color: rgba(40, 167, 69, 0.08);
            border-left-color: var(--success);
        }
        .pro-tip h4, .warning-box h4, .info-box h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            margin-top: 0.8rem;
            font-style: italic;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .config-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .config-table th {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            padding: 1.2rem;
            text-align: left;
        }
        .config-table td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid #dee2e6;
        }
        .config-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .config-table tr:hover {
            background-color: rgba(74, 0, 224, 0.05);
        }
        .site-footer {
            background-color: var(--dark);
            color: var(--light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--light);
            border-left: none;
            padding-left: 0;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #adb5bd;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1rem 0;
            border-left: 4px solid var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #adb5bd;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .mobile-menu-btn {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .main-nav a {
                display: block;
                padding: 0.8rem 1rem;
                background-color: rgba(255,255,255,0.05);
                border-radius: 8px;
            }
            .container {
                padding: 0 1.5rem;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            .functional-box {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
        }