* { 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: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            color: #2c3e50;
            max-width: 100%;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: #2980b9; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e74c3c; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(90deg, #1a237e 0%, #283593 50%, #3949ab 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(to right, #ffdd00, #ff9500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 5px 0;
        }
        .my-logo a { background: none; -webkit-text-fill-color: inherit; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background: rgba(255,255,255,0.15);
            color: #ffdd00;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #f8f9fa;
            border-bottom: 1px solid #dee2e6;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #6c757d; }
        .breadcrumb a:hover { color: #2980b9; }
        .breadcrumb span { color: #495057; }
        .hero {
            background: url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 4rem 1rem;
            margin-bottom: 2rem;
            border-radius: 0 0 10px 10px;
            position: relative;
        }
        .hero::before {
            content: '';
            position: absolute;
            top:0; left:0; width:100%; height:100%;
            background: rgba(0, 0, 50, 0.7);
            border-radius: 0 0 10px 10px;
        }
        .hero-content { position: relative; z-index: 2; }
        h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 5px rgba(0,0,0,0.7);
        }
        .hero-subtitle {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 1.5rem;
            color: #f1f1f1;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1, h2, h3, h4 {
            color: #2c3e50;
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid #2980b9;
            padding-left: 15px;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.7rem;
            color: #34495e;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #bdc3c7;
        }
        h4 {
            font-size: 1.4rem;
            color: #7f8c8d;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        strong { color: #2c3e50; font-weight: 700; }
        em { color: #e74c3c; font-style: italic; }
        .highlight {
            background: linear-gradient(120deg, #a1c4fd80 0%, #c2e9fb80 100%);
            padding: 2rem;
            border-radius: 8px;
            border-left: 4px solid #3498db;
            margin: 2rem 0;
        }
        .feature-box {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 10px;
            padding: 2rem;
            margin: 2.5rem 0;
        }
        .feature-box h3 { border: none; margin-top: 0; }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 1rem;
        }
        .search-form input, .comment-form textarea, .rating-form select {
            flex: 1;
            min-width: 200px;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
        }
        .comment-form textarea { min-height: 120px; resize: vertical; }
        button {
            background: linear-gradient(to right, #2980b9, #2c3e50);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        button:hover {
            background: linear-gradient(to right, #3498db, #34495e);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #f1c40f;
            margin: 10px 0;
        }
        .article-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem auto;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            border: 3px solid white;
            outline: 1px solid #eee;
        }
        .internal-links {
            background: #e8f4fc;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
            list-style: none;
        }
        .internal-links li { padding: 0.5rem 0; }
        .internal-links a {
            display: block;
            padding: 10px 15px;
            background: white;
            border-radius: 6px;
            border: 1px solid #bde0fe;
            transition: all 0.3s;
        }
        .internal-links a:hover {
            background: #2980b9;
            color: white;
            transform: translateX(5px);
        }
        .sidebar-widget { margin-bottom: 2rem; }
        .sidebar-widget h4 {
            background: #2c3e50;
            color: white;
            padding: 12px 15px;
            border-radius: 6px 6px 0 0;
            margin: 0;
        }
        .widget-content { padding: 1rem; border: 1px solid #dee2e6; border-top: none; border-radius: 0 0 6px 6px; }
        footer {
            background: #1a237e;
            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;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: #ffdd00;
            padding: 8px 0;
            display: inline-block;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #b0b7d6;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .header-container { flex-wrap: wrap; }
            .main-nav {
                width: 100%;
                order: 3;
                margin-top: 1rem;
                display: none;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            .hamburger { display: block; }
            article { padding: 1.5rem; }
            .hero { padding: 2.5rem 1rem; }
        }