* { 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;
            max-width: 100%;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #2c3e50; margin-bottom: 1rem; font-weight: 700; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-top: 1.5rem; border-bottom: 4px solid #FF6B35; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; color: #2980b9; padding-top: 1rem; margin-top: 2rem; border-top: 2px dashed #eee; }
        h3 { font-size: 1.8rem; color: #16a085; }
        h4 { font-size: 1.4rem; color: #8e44ad; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        a { color: #3498db; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #FF6B35; }
        strong { color: #e74c3c; font-weight: 700; }
        em { font-style: italic; color: #555; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 2rem;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            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;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.8rem;
            font-weight: 900;
            color: #FFD700;
            text-shadow: 2px 2px 0 #FF6B35;
            text-decoration: none;
        }
        .my-logo:hover { color: #fff; text-shadow: 3px 3px 0 #FF6B35; }
        .nav-desktop { display: flex; gap: 1.5rem; }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-desktop a:hover { background-color: rgba(255,255,255,0.2); }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #2c3e50;
            width: 100%;
            margin-top: 1rem;
            border-radius: 8px;
            overflow: hidden;
            max-height: 0;
            transition: max-height 0.5s ease-out;
        }
        .nav-mobile.active { display: flex; max-height: 500px; }
        .nav-mobile a {
            color: white;
            padding: 1rem;
            border-bottom: 1px solid #34495e;
            text-align: center;
        }
        .nav-mobile a:hover { background-color: #34495e; }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #ecf0f1;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #3498db; }
        main { padding: 2rem 0; background-color: white; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); margin-bottom: 2rem; }
        .article-content { padding: 0 2rem; }
        @media (max-width: 768px) {
            .article-content { padding: 0 1rem; }
        }
        .sidebar {
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #3498db;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 { margin-top: 0; }
        .sidebar ul { list-style: none; }
        .sidebar li { margin-bottom: 0.8rem; padding-bottom: 0.8rem; border-bottom: 1px dotted #bdc3c7; }
        .sidebar a { color: #2c3e50; display: block; }
        .sidebar a:hover { padding-left: 5px; }
        .feature-box {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            border-radius: 10px;
            padding: 2rem;
            margin: 2rem 0;
            border: 1px solid #dee2e6;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }
        .feature-box h3 { margin-top: 0; }
        form { display: grid; gap: 1rem; margin-top: 1rem; }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            width: 100%;
        }
        button, .btn {
            background: linear-gradient(to right, #FF6B35, #FF8E53);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #e55a2b, #e57a3c);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255, 107, 53, 0.3);
        }
        .rating { display: flex; gap: 5px; margin: 1rem 0; }
        .rating i { color: #FFD700; cursor: pointer; font-size: 1.5rem; }
        .rating i:hover { transform: scale(1.2); }
        .intro { font-size: 1.3rem; color: #555; background-color: #f0f7ff; padding: 1.5rem; border-left: 5px solid #3498db; margin: 2rem 0; }
        .highlight-box {
            background-color: #fffde7;
            border: 2px dashed #FFD700;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 8px;
        }
        .img-container {
            margin: 2rem auto;
            text-align: center;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .img-container img { width: 100%; transition: transform 0.5s ease; }
        .img-container img:hover { transform: scale(1.02); }
        .caption { font-style: italic; color: #7f8c8d; margin-top: 0.5rem; font-size: 0.95rem; }
        .internal-link { background-color: #e8f4fc; padding: 2px 6px; border-radius: 3px; }
        .internal-link:hover { background-color: #d1ebff; }
        .site-footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 { color: #FFD700; border-bottom: 1px solid #34495e; padding-bottom: 0.5rem; }
        friend-link {
            display: block;
            padding: 0.8rem;
            background-color: #34495e;
            margin-bottom: 0.8rem;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        friend-link:hover { background-color: #3d566e; }
        friend-link a { color: #ecf0f1; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .last-updated { font-size: 0.9rem; color: #95a5a6; text-align: right; margin-top: 2rem; font-style: italic; }