/* 需求反馈浮窗 */
.btm-demand {
    position: absolute;
    right: 75px;
    bottom: 0;
    width: 360px;
    max-height: 460px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 18px;
    overflow-y: auto;
    display: none;
}
.side-demand:hover .btm-demand {
    display: block;
}
.feedback-form-box h3 {
    font-size: 16px;
    color: #2c3e50;
    margin: 0 0 0px 0;
    padding-bottom: 0px;
    border-bottom: 1px solid #eee;
}
.form-item {
    margin-bottom: 12px;
}
.form-item label {
    display: block;
    font-size: 14px;
    color: #333;
    margin-bottom: 6px;
}
.form-item input,
.form-item textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    box-sizing: border-box;
}
.form-item textarea {
    height: 100px;
    resize: vertical;
}
.form-item input:focus,
.form-item textarea:focus {
    border-color: #3498db;
}
.form-submit {
    text-align: right;
    margin-top: 10px;
}
.submit-btn {
    background: #3498db;
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
}
.submit-btn:hover {
    background: #2980b9;
}