* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #1a365d; margin-bottom: 1rem; font-weight: 700; line-height: 1.2; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); margin-top: 1.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); border-left: 5px solid #e53e3e; padding-left: 1rem; margin-top: 3rem; }
        h3 { font-size: clamp(1.4rem, 3vw, 1.9rem); color: #2d3748; margin-top: 2.5rem; }
        h4 { font-size: 1.3rem; color: #4a5568; margin-top: 2rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        a { color: #3182ce; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e53e3e; text-decoration: underline; }
        strong { color: #2d3748; }
        .lead { font-size: 1.3rem; color: #4a5568; font-weight: 300; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-content { display: grid; grid-template-columns: 1fr 300px; gap: 40px; padding: 30px 0; }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(135deg, #1a365d 0%, #2d3748 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;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i { color: #e53e3e; }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a {
            color: #cbd5e0;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a:hover { color: white; }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #e53e3e;
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #2d3748;
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: #cbd5e0;
            padding: 0.8rem;
            border-bottom: 1px solid #4a5568;
        }
        .nav-mobile a:last-child { border-bottom: none; }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #718096;
        }
        .breadcrumb a { color: #718096; }
        .breadcrumb a:hover { color: #3182ce; }
        .breadcrumb span { margin: 0 5px; }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-meta {
            display: flex;
            gap: 1.5rem;
            color: #718096;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.95rem;
        }
        .featured-image {
            margin: 2.5rem 0;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .featured-image figcaption {
            padding: 1rem;
            background: #f7fafc;
            font-style: italic;
            color: #718096;
            text-align: center;
        }
        .info-box {
            background: #f0f9ff;
            border-left: 4px solid #3182ce;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box h4 { margin-top: 0; color: #2c5282; }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            margin-bottom: 1.2rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid #e2e8f0;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group { display: flex; flex-direction: column; }
        .form-group label { margin-bottom: 0.5rem; font-weight: 600; color: #4a5568; }
        .form-control {
            padding: 0.85rem 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #3182ce;
            box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.2);
        }
        textarea.form-control { min-height: 120px; resize: vertical; }
        .btn {
            background: #3182ce;
            color: white;
            border: none;
            padding: 1rem 1.8rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            align-self: flex-start;
        }
        .btn:hover {
            background: #2b6cb0;
            transform: translateY(-2px);
        }
        .btn-block { width: 100%; }
        .stars {
            display: flex;
            gap: 10px;
            margin: 10px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active { color: #f6ad55; }
        .related-links { list-style: none; }
        .related-links li { margin-bottom: 0.8rem; }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0.7rem;
            background: #f7fafc;
            border-radius: 6px;
            transition: background 0.3s;
        }
        .related-links a:hover {
            background: #edf2f7;
            text-decoration: none;
        }
        .site-footer {
            background: #1a202c;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-widget h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        friend-link {
            display: block;
            padding: 1rem;
            background: #2d3748;
            margin: 2rem 0;
            border-radius: 8px;
            text-align: center;
        }
        friend-link a {
            color: #90cdf4;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .text-center { text-align: center; }
        .mt-4 { margin-top: 2rem; }
        .mb-4 { margin-bottom: 2rem; }
        .emoji { font-size: 1.2em; margin-right: 5px; }