* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #2c3e50;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        a { color: #3498db; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #2980b9; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section { padding: 3rem 0; }
        h1, h2, h3, h4 { color: #2c3e50; margin-bottom: 1rem; font-weight: 700; line-height: 1.3; }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-bottom: 3px solid #3498db; padding-bottom: 0.5rem; margin-top: 2rem; }
        h3 { font-size: 1.8rem; color: #2980b9; }
        h4 { font-size: 1.4rem; color: #555; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.4rem; border-radius: 3px; }
        em { color: #e74c3c; font-style: italic; }
        strong { color: #2c3e50; }
        blockquote {
            border-left: 5px solid #3498db;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        ul, ol { margin-left: 2rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.5rem; }
        .btn {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            background: linear-gradient(to right, #3498db, #2ecc71);
            color: white;
            border-radius: 50px;
            font-weight: bold;
            border: none;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(52, 152, 219, 0.3);
            text-decoration: none;
            color: white;
        }
        header {
            background: white;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #e74c3c;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .my-logo i { margin-right: 10px; color: #3498db; }
        .my-logo:hover { color: #c0392b; text-decoration: none; }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #2c3e50;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #3498db;
            transition: width 0.3s;
        }
        nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #2c3e50;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #ecf0f1;
            font-size: 0.95rem;
        }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #3498db; }
        .breadcrumb span { color: #2c3e50; }
        .hero {
            background: linear-gradient(rgba(44, 62, 80, 0.85), rgba(52, 152, 219, 0.85)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 5rem 1rem;
            border-radius: 0 0 20px 20px;
            margin-bottom: 3rem;
        }
        .hero h1 { color: white; font-size: 3.5rem; margin-bottom: 1.5rem; }
        .hero p { font-size: 1.4rem; max-width: 800px; margin: 0 auto 2rem; }
        .search-box {
            max-width: 700px;
            margin: 2rem auto;
            background: white;
            padding: 1.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex-grow: 1;
            padding: 1rem;
            border: 2px solid #dfe6e9;
            border-radius: 10px 0 0 10px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            padding: 1rem 2rem;
            background: #2ecc71;
            color: white;
            border: none;
            border-radius: 0 10px 10px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-box button:hover { background: #27ae60; }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        .feature-card {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
            transition: transform 0.3s, box-shadow 0.3s;
            border-left: 5px solid #3498db;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        }
        .image-container {
            margin: 2rem 0;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .image-container img { width: 100%; transition: transform 0.5s; }
        .image-container:hover img { transform: scale(1.03); }
        .sidebar-widget {
            background: white;
            border-radius: 15px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
        }
        .sidebar-widget h3 { font-size: 1.5rem; margin-bottom: 1.5rem; text-align: center; }
        .link-list { list-style: none; margin-left: 0; }
        .link-list li { margin-bottom: 0.8rem; }
        .link-list a { display: block; padding: 0.8rem; background: #f8f9fa; border-radius: 8px; }
        .link-list a:hover { background: #e3f2fd; }
        .rating-box, .comment-box {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            margin-top: 2rem;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
        }
        .stars { font-size: 2rem; color: #f1c40f; margin: 1rem 0; }
        .stars i { cursor: pointer; margin-right: 5px; transition: color 0.2s; }
        .stars i:hover { color: #f39c12; }
        .rating-form, .comment-form { display: flex; flex-direction: column; }
        .rating-form select, .comment-form textarea, .comment-form input {
            padding: 1rem;
            margin-bottom: 1rem;
            border: 2px solid #dfe6e9;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
        }
        .comment-form textarea { min-height: 150px; resize: vertical; }
        footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 { color: #ecf0f1; margin-bottom: 1.5rem; }
        .footer-section a { color: #bdc3c7; display: block; margin-bottom: 0.5rem; }
        .footer-section a:hover { color: #3498db; }
        friend-link {
            display: block;
            padding: 1rem;
            background: #34495e;
            border-radius: 8px;
            margin: 1rem 0;
            text-align: center;
            font-weight: bold;
        }
        friend-link a { color: #3498db; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a6278;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .hero h1 { font-size: 2.5rem; }
            .header-content { flex-wrap: wrap; }
            nav { display: none; width: 100%; order: 3; margin-top: 1rem; }
            nav.active { display: block; }
            nav ul { flex-direction: column; gap: 0; }
            nav li { margin-bottom: 0.5rem; }
            .hamburger { display: block; }
            .search-box form { flex-direction: column; }
            .search-box input, .search-box button { border-radius: 10px; margin-bottom: 0.5rem; }
        }
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .last-updated { font-size: 0.9rem; color: #7f8c8d; font-style: italic; }