* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 40px;
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(26, 45, 64, 0.112);
            backdrop-filter: blur(6px);
            z-index: 1000;
        }
        
        .logo img {
            width: 150px;
        }
        
        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }
        
        .menu-toggle span {
            height: 3px;
            width: 25px;
            background: white;
            margin: 4px 0;
            border-radius: 2px;
        }
        
        nav {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        
        nav a {
            margin-left: 20px;
            color: #ccc;
            text-decoration: none;
            padding-bottom: 5px;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        
        nav a.active {
            border-bottom: 2px solid #f87171;
            color: white;
        }
        
        nav a:hover {
            text-decoration: underline;
        }
        
        body {
            margin: 0;
            padding: 0;
            font-family: Arial, sans-serif;
            background: url('img/20120.png') no-repeat center center fixed;
            background-size: cover;
            color: white;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        
        .container {
            width: 100%;
            max-width: 800px;
            margin: auto;
            background: #fff;
            border-radius: 20px;
            padding: 20px;
            color: #333;
        }
        
        .title {
            font-size: 1.8em;
            font-weight: bold;
            color: #fff;
            text-align: center;
            margin-top: 90px;
            /* لإزاحة العنوان لأسفل البار العلوي */
        }
        
        .subtitle {
            color: #e0dfff;
            font-size: 1em;
            text-align: center;
            margin-bottom: 10px;
        }
        
        .line {
            width: 60px;
            height: 3px;
            background: #fff;
            margin: 0 auto 20px auto;
        }
        
        h3 {
            color: #1c3c6b;
            margin: 20px 0 10px;
            font-size: 1.1em;
        }
        
        ul {
            padding-right: 20px;
            margin-bottom: 20px;
        }
        
        ul li {
            margin-bottom: 8px;
            line-height: 1.6;
            font-size: 0.95em;
        }
        
        p {
            font-size: 0.95em;
            line-height: 1.6;
        }
        
        footer {
            text-align: center;
            padding: 20px;
            background: rgba(0, 0, 0, 0.5);
            color: #ccc;
        }
        
        footer a {
            color: #ff00e6;
            text-decoration: none;
        }
        
        .ai-button {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: linear-gradient(135deg, #ff00e6, #2158ff);
            border-radius: 50%;
            width: 50px;
            height: 50px;
            box-shadow: 0 0 10px rgb(0, 0, 0);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: transform 0.2s ease;
            z-index: 1000;
        }
        
        .ai-button:hover {
            transform: scale(1.1);
        }
        
        .ai-button img {
            width: 40px;
            height: 40px;
            object-fit: contain;
        }
        
        @media (max-width: 480px) {
            .title {
                font-size: 1.5em;
            }
            .subtitle {
                font-size: 0.95em;
            }
            .container {
                padding: 15px;
            }
            h3 {
                font-size: 1em;
            }
            ul li,
            p {
                font-size: 0.9em;
            }
            .menu-toggle {
                display: flex;
            }
            nav {
                display: none;
                flex-direction: column;
                background-color: rgba(0, 0, 0, 0.9);
                position: absolute;
                top: 70px;
                right: 0;
                width: 200px;
                padding: 20px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                margin: 10px 0;
            }
        }