* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #4a6fa5;
            --secondary: #ff7b54;
            --accent: #2ecc71;
            --dark: #2c3e50;
            --light: #f9f9f9;
            --gray: #95a5a6;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
        body {
            background-color: var(--light);
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent);
        }
        .my-logo:hover {
            color: var(--accent);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--accent);
            bottom: 0;
            left: 0;
            transition: width 0.3s;
        }
        nav a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child):after {
            content: '>';
            margin: 0 10px;
            color: var(--gray);
        }
        .hero {
            background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.8)), url('https://images.unsplash.com/photo-1511512578047-dfb367046420?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 4rem 2rem;
            margin-bottom: 3rem;
            border-radius: 0 0 20px 20px;
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            margin-bottom: 1rem;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        .search-form {
            max-width: 600px;
            margin: 2rem auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-form input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background-color: #e06c40;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }
        h1, h2, h3, h4 {
            color: var(--dark);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary);
        }
        h3 {
            font-size: 1.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--secondary);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 5px solid var(--secondary);
            padding: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
        }
        .img-container {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            max-width: 800px;
        }
        .img-container figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: var(--gray);
            padding: 0.5rem;
            background: #f1f1f1;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .stat-card {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            border-top: 4px solid var(--primary);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .stat-card h3 {
            font-size: 1.5rem;
            margin: 0;
        }
        .stat-card p {
            margin: 0;
            color: var(--gray);
        }
        .interactive-section {
            background-color: #f0f7ff;
            padding: 2.5rem;
            border-radius: 15px;
            margin: 3rem 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffd700;
            margin: 1rem 0;
        }
        .rating i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating i:hover {
            transform: scale(1.2);
        }
        .btn {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        .btn:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #ddd;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 8px;
            margin: 0.5rem 0;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav ul {
                gap: 1rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--dark);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            nav ul.active {
                display: flex;
            }
            article {
                padding: 2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .hero {
                padding: 3rem 1rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            article {
                padding: 1.5rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 10px;
            }
            .search-form input, .search-form button {
                width: 100%;
                border-radius: 0;
            }
        }