* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f9f9fb;
            max-width: 1600px;
            margin: 0 auto;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 1.5rem; color: #2a2d7c; line-height: 1.2; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin: 2.5rem 0 1.5rem; color: #3a3f9e; border-bottom: 3px solid #e63946; padding-bottom: 0.5rem; }
        h3 { font-size: clamp(1.4rem, 3vw, 2rem); margin: 2rem 0 1rem; color: #4a4fbf; }
        h4 { font-size: 1.3rem; margin: 1.5rem 0 0.8rem; color: #5a5fcf; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        a { color: #2a2d7c; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e63946; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.5rem; border-radius: 3px; }
        strong { color: #2a2d7c; }
        em { font-style: italic; color: #555; }
        .lead { font-size: 1.4rem; color: #444; font-weight: 300; }
        .container {
            width: 95%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-top: 2rem;
        }
        @media (max-width: 992px) {
            .main-grid { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(135deg, #1a237e 0%, #303f9f 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .my-logo span:first-child { color: #4fc3f7; }
        .my-logo span:last-child { color: #ffcc80; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: #1a237e;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-out;
                z-index: 999;
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                padding: 2rem;
                gap: 1rem;
            }
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #edf2f7;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 0.5rem;
            color: #718096;
        }
        .search-container {
            background: #e3f2fd;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #3a3f9e;
            border-right: none;
            border-radius: 8px 0 0 8px;
            font-size: 1.1rem;
        }
        .search-box button {
            background: #3a3f9e;
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s;
        }
        .search-box button:hover { background: #2a2d7c; }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .featured-img {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .featured-img figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background: #f8f9fa;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            color: #2a2d7c;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #ddd;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dotted #eee;
        }
        .link-list a::before {
            content: '🎮';
            margin-right: 0.8rem;
        }
        .interaction-form {
            background: #f1f8ff;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            border-left: 5px solid #3a3f9e;
        }
        .interaction-form h3 { border: none; margin-top: 0; }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        .form-control {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #bbb;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #3a3f9e;
            box-shadow: 0 0 0 3px rgba(58, 63, 158, 0.1);
        }
        .star-rating {
            direction: rtl;
            display: inline-block;
            font-size: 1.8rem;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .btn-submit {
            background: linear-gradient(to right, #3a3f9e, #2a2d7c);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(58, 63, 158, 0.3);
        }
        .site-footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 1rem;
        }
        .footer-logo span:first-child { color: #4fc3f7; }
        .footer-logo span:last-child { color: #ffcc80; }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.05);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            margin: 0.3rem;
            border: 1px solid rgba(255,255,255,0.1);
            transition: all 0.3s;
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
            border-color: #4fc3f7;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .article-content, .sidebar { padding: 1.5rem; }
            .header-content { flex-wrap: wrap; }
            .main-grid { gap: 2rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
        }