* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Nirmala UI', 'Arial', sans-serif;
        }
        :root {
            --primary: #4a1e8a;
            --secondary: #ff6b35;
            --accent: #00c9b7;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f5f7ff;
            color: #333;
            line-height: 1.7;
            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: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--secondary), #ff8e53);
            color: white;
            border-radius: 50px;
            font-weight: 600;
            text-align: center;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(255, 107, 53, 0.4);
            background: linear-gradient(135deg, #ff8e53, var(--secondary));
        }
        header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            padding: 15px 0;
            border-bottom: 1px solid #eee;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        .logo span {
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .search-form {
            display: flex;
            width: 100%;
            max-width: 400px;
        }
        .search-input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            border-color: var(--accent);
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #3a176b;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }
        nav {
            padding: 15px 0;
        }
        .nav-list {
            display: flex;
            justify-content: center;
            gap: 30px;
        }
        .nav-item a {
            font-weight: 600;
            color: var(--dark);
            padding: 8px 0;
            position: relative;
        }
        .nav-item a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--secondary);
            transition: var(--transition);
        }
        .nav-item a:hover {
            color: var(--secondary);
        }
        .nav-item a:hover:after {
            width: 100%;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #f1f3ff;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        main {
            padding: 40px 0;
        }
        article {
            background: white;
            border-radius: 15px;
            padding: 40px;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--dark);
            background: #f0f7ff;
            padding: 20px;
            border-radius: 10px;
            border-left: 5px solid var(--accent);
            margin-bottom: 30px;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 25px;
            border-radius: 10px;
            border: 2px dashed var(--secondary);
            margin: 25px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .stat-card {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            margin-bottom: 10px;
        }
        .feature-img {
            width: 100%;
            border-radius: 15px;
            margin: 30px auto;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            border: 5px solid white;
        }
        .tip-box {
            background: #e7f9f7;
            padding: 20px;
            border-radius: 10px;
            margin: 20px 0;
            border-left: 5px solid var(--accent);
        }
        .tip-box i {
            color: var(--accent);
            margin-right: 10px;
        }
        .quote {
            font-style: italic;
            padding: 25px;
            background: #f8f5ff;
            border-radius: 10px;
            margin: 25px 0;
            position: relative;
            border-left: 5px solid var(--primary);
        }
        .quote:before {
            content: '"';
            font-size: 4rem;
            color: var(--primary);
            opacity: 0.2;
            position: absolute;
            top: -10px;
            left: 15px;
        }
        .author {
            text-align: right;
            font-weight: 600;
            color: var(--secondary);
            margin-top: 15px;
        }
        .interactive-section {
            background: linear-gradient(135deg, #4a1e8a, #6a2db8);
            color: white;
            padding: 40px;
            border-radius: 15px;
            margin: 40px 0;
        }
        .interactive-section h2 {
            color: white;
            border-bottom-color: var(--accent);
        }
        .rating-form, .comment-form {
            margin-top: 25px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: gold;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-control {
            width: 100%;
            padding: 15px;
            border-radius: 10px;
            border: 2px solid #ddd;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--accent);
            outline: none;
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .form-submit {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 15px 35px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .form-submit:hover {
            background: #ff8535;
            transform: translateY(-3px);
        }
        .long-tail-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .web-link {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-left: 4px solid var(--primary);
        }
        .web-link:hover {
            transform: translateX(10px);
            border-left-color: var(--secondary);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: white;
        }
        .footer-about p {
            color: #ccc;
            text-align: left;
        }
        .footer-links h4 {
            color: var(--accent);
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links ul li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .header-content {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                margin-top: 15px;
                max-width: 100%;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: white;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                padding: 20px;
            }
            nav.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                gap: 15px;
            }
            .nav-item a {
                display: block;
                padding: 12px;
                border-bottom: 1px solid #eee;
            }
            article {
                padding: 25px;
            }
            .interactive-section {
                padding: 25px;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 1.8rem;
            }
            .btn {
                padding: 10px 22px;
            }
            .stat-card {
                padding: 20px;
            }
            .long-tail-links {
                grid-template-columns: 1fr;
            }
        }