.join-container {
  padding: 80px 0;
  display: flex;
  justify-content: space-between;
}
.left-content,
.right-content {
  width: 40%;
}
.left-content .text {
  font-size: 24px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #0e0e0e;
  margin: 55px 0 15px;
}
.left-content .des {
  font-size: 16px;
  font-weight: 400;
  color: #555555;
  line-height: 28px;
  text-align: justify;
}
.left-content .contact-list {
  display: flex;
  margin-top: 65px;
}
.left-content .contact-list .contact-box {
  width: 238px;
  height: 90px;
  background: #e40b21;
  border-radius: 8px;
  padding: 18px 25px;
  color: #fff;
  margin-right: 10px;
}
.left-content .contact-list .contact-box:last-child {
  background: #0e0e0e;
}
.left-content .contact-list p {
  font-size: 16px;
  font-weight: 300;
  color: #ffffff;
  line-height: 28px;
}
.left-content .contact-list span {
  display: block;
  font-size: 16px;
  font-weight: 400;
  color: #ffffff;
  line-height: 28px;
}
.form-item {
  padding: 45px 0 25px 0;
  border-bottom: 1px solid #eaeaea;
  display: flex;
  position: relative;
}
.form-item:first-child input {
  background: url(../images/join/join-image1.png) no-repeat center right;
}
.form-item:nth-child(2) input {
  background: url(../images/join/join-image3.png) no-repeat center right;
}
.form-item:nth-child(3) input {
  background: url(../images/join/join-image2.png) no-repeat center right;
}
.form-item:nth-child(4) input {
  background: url(../images/join/join-image4.png) no-repeat center right;
}
.form-item input,
.form-item textarea {
  border: none;
  resize: none;
  width: 100%;
  font-size: 16px;
  font-weight: 400;
  line-height: 28px;
  font-family: 'Microsoft YaHei';
}
.form-item textarea {
  height: 100px;
}
.form-item input::placeholder,
.form-item textarea::placeholder {
  color: #555555;
}
.form-item:has(input[required])::before {
  content: '*';
  color: #e40b21;
  padding-right: 3px;
}
.submit {
  width: 180px;
  height: 56px;
  background: #e40b21;
  border-radius: 12px;
  text-align: center;
  line-height: 56px;
  font-size: 16px;
  font-weight: 400;
  color: #ffffff;
  margin-top: 70px;
  cursor: pointer;
  user-select: none;
}
.upload-file {
  height: 32px;
  border: 1px solid #eaeaea;
  border-radius: 8px;
  line-height: 30px;
  padding: 0 15px;
  font-size: 14px;
  font-weight: 400;
  color: #e40b21;
  cursor: pointer;
  position: absolute;
  bottom: 24px;
  right: 50px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  max-width: 40%;
}
#upload-file {
  display: none;
}

@media (max-width: 1024px) {
  .left-content,
  .right-content {
    width: 46%;
  }
  .left-content .contact-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-column-gap: 10px;
  }
  .left-content .contact-list .contact-box {
    width: auto;
    margin-right: 0;
    padding: 18px;
  }
}
@media (max-width: 800px) {
  .left-content .contact-list {
    grid-template-columns: repeat(1, 1fr);
    margin-top: 40px;
  }
  .left-content .contact-list .contact-box {
    margin-bottom: 20px;
  }
}
@media (max-width: 500px) {
  .left-content .des {
    font-size: 14px;
  }
  .join-container {
    padding: 40px 0;
    display: block;
  }
  .left-content,
  .right-content {
    width: 100%;
  }
  .left-content .contact-list {
    grid-template-columns: repeat(1, 1fr);
  }
  .left-content .text {
    margin: 30px 0 15px;
    font-size: 18px;
  }
  .form-item {
    padding: 25px 0 10px 0;
  }
  .form-item input,
  .form-item textarea {
    font-size: 14px;
  }
  .upload-file {
    bottom: 10px;
    max-width: 60%;
  }
  .submit {
    margin-top: 40px;
    margin-bottom: 40px;
    border-radius: 5px;
    width: 100%;
    font-size: 14px;
    height: 42px;
    line-height: 42px;
  }
}