body {
background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('背景手柄.png'); 
font-family: 'Courier New', monospace; padding: 20px; 
container: max-width: 700px; margin: auto; 
h1 { border-bottom: 2px solid #00ff41; padding-bottom: 10px; }
.hidden {
    display: none;
}
.hack-card {
    background: #1a1a1a;
    border: 1px solid #333;
    padding: 15px;
    margin: 20px 0;
    cursor: pointer;
    transition: 0.3s;
}
.hack-card:hover { border-color: #00ff41; }
.content { display: none; margin-top: 10px; color: #ccc; }

.conclusion {
    background: #2a0000;
    border: 2px solid #ff0000;
    padding: 20px;
    margin-top: 50px;
    color: #ffcccc;
}