.content {
  width: 40%;
  padding: 20px;
  box-sizing: border-box;
  padding-left: 80px;
}

.c-title {
  border-left: 6px solid #ff9800;
  padding-left: 10px;
  margin-bottom: 40px;
  margin-top: 100px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
}

.form-group input {
  display: inline-block;
  width: 200px;
  padding: 8px;
  box-sizing: border-box;
}

.submit-button {
  padding: 10px 20px;
  background-color: #4caf50;
  color: white;
  border: none;
  cursor: pointer;
}

/* 遮罩层样式 */
.modal-mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  z-index: 999;
}

/* 弹窗主体 */
.modal-box {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  padding: 20px 40px;
  border-radius: 5px;
  z-index: 1000;
  display: none;
  width: 350px;
  height: 500px;
}

.modal-content {
  position: relative;
  margin-top: 10px;
}

.closeBtn {
  width: 20px;
  height: 20px;
  font-size: 20px;
  color: #999;
  position: absolute;
  top: -30px;
  right: -30px;
  cursor: pointer;
  font-size: 24px;
}