/* 容器：PC端左右分布，手机端上下堆叠 */
.contact-section {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  background-color: #222222;
  padding: 2px;
  border-radius: 8px;
}

/* 留言框容器：PC占比约50%，手机占100% */
.form-container {
  flex: 1 1 450px;
  width: 100%;
}

/* 姓名+电话输入组 */
.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}
.input-group input {
  flex: 1;
  padding: 12px;
  border: none;
  outline: none;
  font-size: 14px;
  width: 100%;
}

/* 文本域 */
.form-container textarea {
  width: 100%;
  height: 150px;
  padding: 12px;
  border: none;
  outline: none;
  resize: none;
  font-size: 14px;
  margin-bottom: 10px;
}

/* 提交按钮 */
.submit-btn {
  width: 100%;
  padding: 12px;
  background-color: #0a3dcc;
  color: #fff;
  border: none;
  font-size: 16px;
  cursor: pointer;
}
.submit-btn:hover {
  background-color: #e68a00;
}

/* 联系方式容器：PC占比约50%，手机占100% */
.contact-info {
  flex: 1 1 450px;
  color: #fff;
}
.contact-info h2 {
  font-size: 24px;
  margin-bottom: 15px;
  padding-bottom: 8px;
  border-bottom: 2px solid #0a3dcc;
}
.contact-info p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 20px;
}
.info-ltem {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 16px;
}
.info-ltem span:first-child {
  color: #fff;
}