* { 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-color: #f8f9fa;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #1a237e; margin-bottom: 1rem; font-weight: 700; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-top: 1.5rem; }
        h2 { font-size: 2.2rem; padding-top: 1.5rem; border-top: 3px solid #ff9800; margin-top: 2.5rem; }
        h3 { font-size: 1.8rem; color: #3949ab; margin-top: 2rem; }
        p { margin-bottom: 1.5rem; font-size: 1.125rem; }
        .lead { font-size: 1.35rem; font-weight: 300; color: #555; }
        .highlight { background: linear-gradient(120deg, #ffecb3 0%, #ffecb3 100%); padding: 0.2rem 0.5rem; border-radius: 4px; }
        strong { color: #d32f2f; }
        em { color: #388e3c; }
        a { color: #1a237e; text-decoration: none; transition: color 0.3s ease, background-color 0.3s ease; }
        a:hover { color: #ff9800; text-decoration: underline; }
        .internal-link { border-bottom: 1px dashed #3949ab; }
        .internal-link:hover { background-color: #e8eaf6; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        main, header, footer { display: block; }
        .site-header {
            background: linear-gradient(135deg, #0d47a1 0%, #1a237e 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: 2.2rem;
            font-weight: 900;
            color: #ffeb3b;
            text-decoration: none;
            font-family: 'Arial Black', sans-serif;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            letter-spacing: -1px;
        }
        .logo span { color: #4fc3f7; }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 2.5rem;
        }
        .nav-desktop a {
            color: #fff;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ff9800;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-mobile {
            display: none;
            background: #1a237e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            z-index: 999;
        }
        .nav-mobile.active { display: block; }
        .nav-mobile ul { list-style: none; padding: 1.5rem; }
        .nav-mobile li { margin-bottom: 1.2rem; }
        .nav-mobile a {
            color: white;
            font-size: 1.2rem;
            display: block;
            padding: 0.75rem;
            border-radius: 5px;
        }
        .nav-mobile a:hover { background: #283593; }
        .breadcrumb {
            background: #e3f2fd;
            padding: 1rem 0;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: #666;
        }
        .breadcrumb a { color: #1a237e; }
        .breadcrumb a:hover { text-decoration: underline; }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 3rem;
            margin: 2.5rem 0;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .article-meta span { display: inline-flex; align-items: center; gap: 0.4rem; }
        .article-image {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            border: 1px solid #eee;
        }
        .article-image figcaption {
            padding: 1rem;
            background: #f5f5f5;
            font-style: italic;
            color: #666;
            text-align: center;
            font-size: 0.95rem;
        }
        .content-section { margin-bottom: 3rem; }
        .tip-box {
            background: #e8f5e9;
            border-left: 5px solid #4caf50;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip-box h4 { color: #2e7d32; margin-top: 0; }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #e3f2fd, #bbdefb);
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
        }
        .stat-card h4 { margin-top: 0; color: #1565c0; }
        aside {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid #ff9800;
            margin-bottom: 1.5rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group { display: flex; flex-direction: column; }
        label { font-weight: 600; margin-bottom: 0.5rem; color: #444; }
        input, textarea, select {
            padding: 0.85rem 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease, box-shadow 0.3s ease;
            font-family: inherit;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #3949ab;
            box-shadow: 0 0 0 3px rgba(57, 73, 171, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #ff9800, #ff5722);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 8px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #f57c00, #e64a19);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 87, 34, 0.3);
            text-decoration: none;
        }
        .star-rating {
            direction: rtl;
            display: inline-flex;
            font-size: 2rem;
            unicode-bidi: bidi-override;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            padding: 0 0.1rem;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffc107; }
        .footer-links {
            background: #1a237e;
            color: white;
            padding: 3rem 0;
            margin-top: 4rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 8px;
            transition: background 0.3s ease;
        }
        .web-link:hover { background: rgba(255, 255, 255, 0.1); }
        .web-link a { color: #bbdefb; font-weight: 500; }
        .web-link a:hover { color: #ffeb3b; }
        .copyright {
            background: #0d1452;
            color: #aaa;
            text-align: center;
            padding: 1.5rem 0;
            font-size: 0.95rem;
        }
        .copyright a { color: #bbdefb; }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-container { flex-wrap: wrap; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .content-grid { gap: 2rem; }
            article, aside { padding: 1.8rem; }
            .stat-grid { grid-template-columns: 1fr; }
            .footer-links .container { padding: 0 1rem; }
        }