* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #9b59b6;
            --secondary: #3498db;
            --accent: #e74c3c;
            --light: #f8f9fa;
            --dark: #2c3e50;
            --gray: #7f8c8d;
            --success: #2ecc71;
            --warning: #f39c12;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --border-radius: 12px;
            --container-width: 1200px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: var(--accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
            color: white;
        }
        .section-padding {
            padding: 80px 0;
        }
        .site-header {
            background: white;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-links a {
            font-weight: 600;
            color: var(--dark);
            padding: 8px 0;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary);
            transition: var(--transition);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--dark);
            cursor: pointer;
        }
        .breadcrumb {
            background: #f8f9fa;
            padding: 15px 0;
            border-bottom: 1px solid #eee;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            gap: 10px;
            font-size: 0.9rem;
        }
        .breadcrumb-list li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: var(--gray);
        }
        .hero {
            background: linear-gradient(135deg, rgba(155, 89, 182, 0.1) 0%, rgba(52, 152, 219, 0.1) 100%);
            padding: 60px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            color: var(--dark);
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: var(--gray);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        .main-content {
            overflow: hidden;
        }
        .sidebar {
            background: #f8f9fa;
            border-radius: var(--border-radius);
            padding: 25px;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        h1, h2, h3, h4 {
            color: var(--dark);
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 3.2rem;
            margin-top: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--primary);
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
            color: var(--secondary);
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
            color: var(--gray);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--dark);
        }
        .highlight-box {
            background: linear-gradient(to right, rgba(155, 89, 182, 0.1), rgba(52, 152, 219, 0.1));
            border-left: 5px solid var(--primary);
            padding: 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 30px 0;
        }
        .steps-list {
            counter-reset: step-counter;
            margin: 30px 0;
        }
        .step {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            margin-bottom: 20px;
            box-shadow: var(--shadow);
            position: relative;
            padding-left: 80px;
        }
        .step::before {
            counter-increment: step-counter;
            content: counter(step-counter);
            position: absolute;
            left: 25px;
            top: 25px;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }
        .article-image {
            margin: 30px auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            max-width: 800px;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .search-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 12px 20px;
            border: 2px solid #eee;
            border-radius: 30px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .comments-section, .rating-section {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: var(--shadow);
            margin: 40px 0;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .comment-form, .rating-form {
            display: grid;
            gap: 15px;
            margin-top: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark);
        }
        .form-group input, .form-group textarea, .form-group select {
            padding: 12px 15px;
            border: 2px solid #eee;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            outline: none;
            border-color: var(--primary);
        }
        .site-footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 10px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #bbb;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 12px 15px;
            border-radius: 8px;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #bbb;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .mobile-toggle {
                display: block;
                order: 1;
            }
            .my-logo {
                order: 0;
            }
            .main-nav {
                order: 2;
                width: 100%;
                display: none;
                margin-top: 20px;
            }
            .nav-links {
                flex-direction: column;
                gap: 15px;
                width: 100%;
            }
            .nav-active {
                display: block;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .step {
                padding: 20px 20px 20px 70px;
            }
            .step::before {
                left: 15px;
                top: 20px;
            }
        }
        .text-center { text-align: center; }
        .text-primary { color: var(--primary); }
        .text-secondary { color: var(--secondary); }
        .text-accent { color: var(--accent); }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mt-4 { margin-top: 2rem; }
        .bold { font-weight: 700; }
        .italic { font-style: italic; }
        .underline { text-decoration: underline; }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }