* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .emoji { margin-right: 5px; }
        .section-padding { padding: 60px 0; }
        .visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
        h1, h2, h3, h4 { line-height: 1.2; color: #1a1a1a; margin-bottom: 1rem; font-weight: 800; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); margin-top: 0.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); border-left: 5px solid #4a6cf7; padding-left: 15px; margin-top: 2.5rem; }
        h3 { font-size: clamp(1.4rem, 3vw, 1.8rem); margin-top: 2rem; color: #2d3748; }
        h4 { font-size: 1.3rem; color: #4a5568; margin-top: 1.5rem; }
        p, li { font-size: 1.125rem; margin-bottom: 1.25rem; color: #424242; }
        a { color: #4a6cf7; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #3050d4; text-decoration: underline; }
        blockquote {
            border-left: 4px solid #4a6cf7;
            padding: 1rem 1.5rem;
            margin: 2rem 0;
            background-color: #edf2f7;
            font-style: italic;
            color: #2d3748;
        }
        ul, ol { padding-left: 2rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.75rem; }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .my-logo i { color: #4a6cf7; margin-right: 10px; }
        .my-logo:hover { color: #a3bffa; text-decoration: none; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #e2e8f0;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover { color: #fff; text-decoration: none; }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4a6cf7;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after { width: 100%; }
        .burger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .burger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: 0.3s;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #edf2f7;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            padding-left: 0;
            margin: 0;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #718096;
        }
        .breadcrumb a { color: #4a6cf7; }
        .hero {
            background: linear-gradient(rgba(26,26,46,0.85), rgba(22,33,62,0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 80px 0;
            text-align: center;
        }
        .hero h1 { color: white; margin-bottom: 1.5rem; }
        .hero p { font-size: 1.3rem; max-width: 800px; margin: 0 auto 2rem; color: #e2e8f0; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-body { background: white; padding: 40px; border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .article-body p { line-height: 1.8; margin-bottom: 1.8rem; }
        .article-image {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .article-image figcaption {
            text-align: center;
            font-size: 0.95rem;
            color: #718096;
            padding: 10px;
            background: #f7fafc;
        }
        .highlight-box {
            background: linear-gradient(120deg, #e3f2fd, #f3e5f5);
            border-left: 5px solid #9c27b0;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            margin-bottom: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 { font-size: 1.3rem; margin-top: 0; border-left: none; padding-left: 0; }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
            width: 100%;
        }
        button, .btn {
            background: #4a6cf7;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        button:hover, .btn:hover { background: #3050d4; }
        .stars { display: flex; gap: 5px; justify-content: center; margin: 10px 0; }
        .star { color: #cbd5e0; cursor: pointer; font-size: 1.5rem; }
        .star.active, .star:hover { color: #fbbf24; }
        .site-footer {
            background: #1a1a2e;
            color: #cbd5e0;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 { color: white; margin-bottom: 1.5rem; font-size: 1.2rem; }
        .footer-links { list-style: none; padding-left: 0; }
        .footer-links li { margin-bottom: 0.75rem; }
        .footer-links a { color: #a0aec0; }
        .footer-links a:hover { color: white; }
        friend-link {
            display: inline-block;
            background: #2d3748;
            color: #a0aec0;
            padding: 8px 15px;
            margin: 5px;
            border-radius: 4px;
            text-decoration: none;
            font-size: 0.9rem;
        }
        friend-link:hover { background: #4a5568; color: white; }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #718096;
        }
        @media (max-width: 768px) {
            .burger { display: flex; }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: #16213e;
                flex-direction: column;
                align-items: center;
                padding: 20px;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul { flex-direction: column; gap: 1rem; width: 100%; }
            .main-nav a { display: block; width: 100%; text-align: center; padding: 1rem; }
            .section-padding { padding: 40px 0; }
            .article-body { padding: 25px; }
            .hero { padding: 60px 20px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
        }