think { display: none; }details {
 background-color: #f9f9f9;
 border-left: 4px solid #8b0000;
 padding: 10px;
 margin-bottom: 10px;
 font-family: 'Microsoft YaHei', sans-serif;
 box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
}
summary {
 font-weight: bold;
 color: #333;
 cursor: pointer;
}
p {
 color: #555;
 font-size: 0.9em;
 margin: 5px 0;
}
think {
 display: none;
}