* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #2a5db0;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 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: 2.2rem;
            font-weight: 800;
            color: #ffd700;
            text-shadow: 2px 2px 0 #1a237e;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: #ffed4e;
            transform: scale(1.02);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #e3f2fd;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffd700;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .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;
        }
        .search-section {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            padding: 2rem 0;
            text-align: center;
            margin-bottom: 2.5rem;
            border-radius: 10px;
            box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.05);
        }
        .search-form {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            gap: 0;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background: linear-gradient(to right, #ff6b6b, #e63946);
            color: white;
            border: none;
            padding: 1rem 2rem;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .search-button:hover {
            background: linear-gradient(to right, #e63946, #ff6b6b);
            padding-right: 2.5rem;
        }
        main {
            flex-grow: 1;
            padding: 1rem 0 3rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
            margin-bottom: 2.5rem;
        }
        h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ffd700;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #283593;
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-left: 0.5rem;
            border-left: 5px solid #e63946;
        }
        h3 {
            color: #3949ab;
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #5c6bc0;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            font-weight: 500;
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #2a5db0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .article-img {
            width: 100%;
            max-width: 900px;
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        .article-img img {
            width: 100%;
            height: auto;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background-color: #f9f9f9;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .user-interaction {
            background: #f8f9fa;
            border: 2px dashed #ccc;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            text-align: center;
        }
        .interaction-title {
            color: #1a237e;
            margin-bottom: 1.5rem;
        }
        .rating-form, .comment-form {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .star-rating {
            direction: rtl;
            unicode-bidi: bidi-override;
            font-size: 2rem;
            display: inline-block;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            padding: 0 3px;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffd700;
        }
        .form-group {
            text-align: left;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #bbb;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus {
            outline: none;
            border-color: #2a5db0;
            box-shadow: 0 0 0 3px rgba(42, 93, 176, 0.2);
        }
        .submit-btn {
            background: linear-gradient(to right, #2a5db0, #1a237e);
            color: white;
            border: none;
            padding: 1rem 2rem;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #1a237e, #2a5db0);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(26, 35, 126, 0.2);
        }
        .related-links {
            background: #e8eaf6;
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
        }
        .related-links h3 {
            color: #1a237e;
            margin-top: 0;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        .link-card {
            background: white;
            padding: 1.2rem;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            border-left: 4px solid #2a5db0;
        }
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            border-left-color: #e63946;
        }
        .site-footer {
            background: #1a237e;
            color: #e3f2fd;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            color: #ffd700;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .footer-section h4 {
            color: #ffd700;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bbdefb;
        }
        .footer-links a:hover {
            color: #ffd700;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: #283593;
            padding: 1.2rem;
            border-radius: 6px;
            margin: 1rem 0;
            color: #ffd700;
            font-weight: 600;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: #303f9f;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #90caf9;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 70px);
                background: #1a237e;
                flex-direction: column;
                padding: 2rem;
                transition: left 0.4s ease;
                box-shadow: 5px 0 15px rgba(0,0,0,0.2);
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1rem;
            }
            .header-container {
                padding: 0 15px;
            }
            .search-form {
                flex-direction: column;
                border-radius: 10px;
            }
            .search-input, .search-button {
                width: 100%;
                border-radius: 8px;
            }
            .links-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            article { padding: 1.5rem; }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }