.zhuanyejieshao {
    margin-bottom: 20px;
}
.zhuanyejieshao input[type="text"] {
    padding: 10px;
    font-size: 16px;
    margin-right: 10px;
    border-radius: 5px;
}
.zhuanyejieshao button {
    background-color: #007bff; /* 绿色背景 */
    border: none;
    color: white;
    padding: 10px 17px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 5px; /* 圆角 */
    transition: background-color 0.3s ease; /* 平滑过渡 */
}
.zhuanyejieshao button:hover{
    background-color: #343a40; /* 鼠标悬停时颜色变深 */
}
.zhuanyejieshao button:active{
    transform: scale(0.98); /* 点击时稍微缩小 */
}

.fenlei {
    margin-bottom: 10px;
    font-weight: bold;
    cursor: pointer;
    display: inline-block;
    padding: 10px 17px;
    background-color: #6c757d;
    color: white;
    border-radius: 5px;
}
.fenlei.active {
    background-color: #007BFF;
}
.questions {
    margin-top: 20px;
}
.question {
    margin-bottom: 20px;
}
.question h3 {
    margin-top: 0;
}
.hidden {
    display: none;
}

.mt-10{
    margin-top: 10px;
}