* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 100%);
            color: #f0f0f0;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #ff6b6b;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-2 { margin-top: 2rem; }
        .p-2 { padding: 2rem; }
        .hidden { display: none; }
        .grid {
            display: grid;
            gap: 2rem;
        }
        .grid-2 { grid-template-columns: repeat(2, 1fr); }
        .grid-3 { grid-template-columns: repeat(3, 1fr); }
        .flex {
            display: flex;
            align-items: center;
        }
        .flex-between { justify-content: space-between; }
        .flex-wrap { flex-wrap: wrap; }
        header {
            background: rgba(20, 20, 30, 0.95);
            padding: 1.5rem 0;
            border-bottom: 2px solid #4dabf7;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ff6b6b;
            text-shadow: 0 0 10px rgba(255, 107, 107, 0.5);
        }
        .my-logo span {
            color: #4dabf7;
        }
        .main-nav ul {
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            font-size: 1.1rem;
            padding: 0.75rem 1.25rem;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.05);
            min-width: 44px;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .main-nav a:hover {
            background: rgba(77, 171, 247, 0.2);
            transform: translateY(-3px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }
        .hero {
            text-align: center;
            padding: 4rem 1rem;
            background: radial-gradient(circle at center, #2d3436 0%, #0c0c0c 100%);
            border-radius: 20px;
            margin: 2rem 0;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            color: #fff;
            text-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            color: #ccc;
        }
        main section {
            background: rgba(30, 30, 46, 0.8);
            border-radius: 15px;
            padding: 2.5rem;
            margin-bottom: 3rem;
            border-left: 5px solid #ff6b6b;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        h2 {
            font-size: 2.5rem;
            color: #4dabf7;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(77, 171, 247, 0.3);
        }
        h3 {
            font-size: 1.8rem;
            color: #ffd166;
            margin: 1.5rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #9dffb0;
            margin: 1rem 0;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        strong {
            color: #ffd166;
            font-weight: 700;
        }
        em {
            color: #9dffb0;
            font-style: italic;
        }
        .article-img {
            border-radius: 10px;
            border: 3px solid #4dabf7;
            margin: 2rem auto;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            max-width: 900px;
        }
        .feature-box {
            background: rgba(40, 40, 60, 0.9);
            border-radius: 15px;
            padding: 2rem;
            margin: 2rem 0;
            border: 1px solid #555;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 0.5rem;
            color: #ffd166;
            font-weight: 600;
        }
        input, textarea, select {
            padding: 1rem;
            border: 1px solid #555;
            border-radius: 10px;
            background: rgba(20, 20, 30, 0.8);
            color: #fff;
            font-size: 1rem;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        button, .btn {
            background: linear-gradient(90deg, #ff6b6b, #ff8e8e);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            min-width: 44px;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #ff5252, #ff7b7b);
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #ffd166;
            cursor: pointer;
        }
        .social-share {
            display: flex;
            gap: 1rem;
            justify-content: center;
            margin: 2rem 0;
        }
        .social-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: white;
        }
        .facebook { background: #3b5998; }
        .twitter { background: #1da1f2; }
        .reddit { background: #ff4500; }
        .share { background: #4CAF50; }
        #backToTop {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(77, 171, 247, 0.9);
            color: white;
            font-size: 1.5rem;
            z-index: 999;
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        footer {
            background: rgba(10, 10, 20, 0.95);
            padding: 3rem 2rem;
            border-top: 2px solid #4dabf7;
            margin-top: 4rem;
            border-radius: 20px 20px 0 0;
        }
        .friend-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .friend-link a {
            display: block;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            text-align: center;
            transition: all 0.3s;
        }
        .friend-link a:hover {
            background: rgba(77, 171, 247, 0.2);
            transform: translateY(-5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .hero h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: flex; }
            .main-nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(20, 20, 30, 0.98);
                padding: 1rem;
                border-top: 1px solid #444;
                display: none;
            }
            .main-nav.active ul { display: flex; }
            .grid-2, .grid-3 { grid-template-columns: 1fr; }
            .hero h1 { font-size: 2.2rem; }
            h2 { font-size: 1.9rem; }
            main section { padding: 1.5rem; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.8rem; }
            h2 { font-size: 1.6rem; }
            .container { padding: 0 10px; }
            button, .btn { padding: 0.8rem 1.5rem; }
        }