* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
a {
  text-decoration: none;
  color: #000;
}
ul,
ol,
li {
  list-style: none;
}
.main-1 {
  padding: 80px 0 0;
}
.main-1 .container {
  display: flex;
  flex-flow: column wrap;
  align-items: center;
  justify-content: center;
}
.main-1 .container .title {
  font-weight: 700;
  font-size: 32px;
  line-height: 43px;
  text-align: center;
  color: #212121;
  margin: 30px 0;
}
.main-1 .container .desc {
  max-width: 880px;
  font-weight: 400;
  font-size: 16px;
  line-height: 29px;
  text-align: center;
  color: #959595;
}
.main-1 .container .contact-path {
  margin-top: 30px;
}
.main-1 .container .contact-path a {
  display: inline-block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  border-radius: 50%;
  text-align: center;
  margin: 0 5px;
  transition: all 0.5s;
}
.main-1 .container .contact-path a:nth-child(1) {
  background: #3b5998;
}
.main-1 .container .contact-path a:nth-child(2) {
  background: #ea4335;
}
.main-1 .container .contact-path a:nth-child(3) {
  background: #1da1f2;
}
.main-1 .container .contact-path a:nth-child(4) {
  background: #cd201f;
}
.main-1 .container .contact-path a:hover {
  transform: scale(1.2);
}
.main-1 .container .contact-path .iconfont {
  color: #fff;
  font-size: 25px;
}
.wrapper-form {
  width: 1080px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 82px;
  margin: 100px auto;
}
.wrapper-form .form {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  width: 600px;
}
.wrapper-form .form-item {
  position: relative;
  width: 100%;
  margin-bottom: 45px;
}
.wrapper-form .form-item:last-child {
  margin-bottom: 0;
}
.wrapper-form .form-item.between {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}
.wrapper-form .form-item.between .form-item {
  margin-bottom: 0;
}
.wrapper-form .form-item.files {
  position: relative;
  border-radius: 8px;
  border: 2px dashed #00c398;
  padding: 0 20px;
}
.wrapper-form .form-item.captcha {
  display: flex;
  flex-flow: row wrap;
  gap: 14px;
}
.wrapper-form .form-item.captcha .form-item_label {
  flex: 0 0 100%;
  flex-shrink: 0;
  margin-bottom: 0;
}
.wrapper-form .form-item.captcha .form-item_input {
  width: 284px;
}
.wrapper-form .form-item_label {
  position: relative;
  display: block;
  font-weight: 700;
  font-size: 16px;
  color: #4e5969;
  margin-bottom: 12px;
}
.wrapper-form .form-item_label.required::before {
  content: '*';
  position: absolute;
  top: 0;
  left: -16px;
  font-weight: 700;
  color: #f53f3f;
}
.wrapper-form .form-item_input {
  width: 100%;
  font-size: 18px;
  color: #333;
  outline: none;
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid #c4c6c6;
}
.wrapper-form .form-item_input.empty {
  border-color: #f65757;
}
.wrapper-form .form-item_select {
  position: relative;
}
.wrapper-form .form-item_select::before {
  content: '';
  position: absolute;
  top: 12px;
  right: 18px;
  width: 14px;
  height: 14px;
  background: url(../img/contact/icon-arrow-down.svg) no-repeat center;
  background-size: 100% 100%;
  filter: brightness(0);
  transition: all 250ms ease;
  cursor: pointer;
}
.wrapper-form .form-item_select.active::before {
  transform: rotate(180deg);
  filter: brightness(1);
}
.wrapper-form .form-item_select .form-item_input {
  cursor: pointer;
}
.wrapper-form .form-item_select .form-item_option {
  display: none;
  position: absolute;
  top: 50px;
  left: 0;
  z-index: 99;
  width: 100%;
  padding: 8px;
  border-radius: 4px;
  border: 1px solid #c4c6c6;
  background: #fff;
  box-shadow: 0 0 12px 0 rgba(0, 0, 0, 0.12);
}
.wrapper-form .form-item_select .option-subitem {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  font-size: 18px;
  color: #303133;
  border-radius: 4px;
  margin-bottom: 4px;
  cursor: pointer;
}
.wrapper-form .form-item_select .option-subitem::after {
  flex-shrink: 0;
  content: '';
  width: 18px;
  height: 18px;
  background: url(../img/contact/icon-right.svg) no-repeat center / 100% 100%;
  filter: brightness(0);
  opacity: 0;
}
.wrapper-form .form-item_select .option-subitem:last-child {
  margin-bottom: 0;
}
.wrapper-form .form-item_select .option-subitem.active {
  color: #409eff;
}
.wrapper-form .form-item_select .option-subitem.active::after {
  filter: brightness(1);
  opacity: 1;
}
.wrapper-form .form-item_select .option-subitem:hover {
  background: rgba(79, 139, 254, 0.2);
}
.wrapper-form .form-item_select .option-subitem:hover::after {
  opacity: 1;
}
.wrapper-form .form-item_textarea {
  width: 100%;
  font-size: 18px;
  color: #333;
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid #c4c6c6;
  resize: none;
  outline: none;
}
.wrapper-form .form-item_textarea.empty {
  border-color: #f65757;
}
.wrapper-form .form .form-item_refresh {
  font-size: 24px;
  color: #00c398;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 250ms ease;
}
.wrapper-form .form .form-item_refresh:active {
  color: inherit;
}
.wrapper-form .form-item_vcode {
  pointer-events: none;
}
.wrapper-form .form .form-item_file {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  opacity: 0;
  cursor: pointer;
}
.wrapper-form .form .file-item {
  width: 100%;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 10px;
  border-bottom: 2px dashed #00c398;
}
.wrapper-form .form .file-item_text {
  font-size: 20px;
  color: #00c398;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.wrapper-form .form .file-item_file {
  width: 26px;
  height: 26px;
  background: url(../img/contact/icon-file.svg) no-repeat center / 100% 100%;
  flex-shrink: 0;
}
.wrapper-form .form .file-item_delete {
  width: 26px;
  height: 26px;
  background: url(../img/contact/icon-delete.svg) no-repeat center / 100% 100%;
  flex-shrink: 0;
  cursor: pointer;
}
.wrapper-form .form .file-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}
.wrapper-form .form-submit {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  border-radius: 16px;
  background: #00c398;
  outline: none;
  border: none;
  padding: 12px 60px;
  cursor: pointer;
  transition: all 250ms ease;
}
.wrapper-form .form-submit .icon-submit {
  width: 32px;
  height: 32px;
  background: url(../img/contact/icon-upload.svg) no-repeat center / 100% 100%;
}
.wrapper-form .form-submit .submit-text {
  font-size: 24px;
  color: #fff;
}
.wrapper-form .form-submit:hover {
  background: #0d896e;
}
.wrapper-form .form-item_error {
  display: none;
  position: absolute;
  bottom: -24px;
  font-size: 14px;
  color: #f65757;
}
.wrapper-form .help {
  width: 370px;
  border-radius: 8px;
  background: #f0fcf9;
  padding: 20px;
}
.wrapper-form .help-title {
  font-weight: 700;
  font-size: 26px;
  color: #00c398;
  margin-bottom: 40px;
}
.wrapper-form .help-item {
  display: flex;
  flex-direction: column;
  border-bottom: 1px dashed #4e5969;
  margin-top: 40px;
  padding-bottom: 40px;
}
.wrapper-form .help-item:last-child {
  border-bottom: none;
}
.wrapper-form .help-item_title {
  font-weight: 700;
  color: #4e5969;
  margin-bottom: 12px;
}
.wrapper-form .help-item_desc {
  line-height: 1.5;
  color: #4e5969;
  padding-right: 20px;
}
.wrapper-toast .toast-item {
  position: fixed;
  top: 10%;
  left: 50%;
  max-width: 400px;
  transform: translateX(-50%);
  display: none;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 16px 10px;
  border-radius: 2px;
}
.wrapper-toast .toast-item.success {
  background-color: #ebfff2;
  border: 1px solid #38b865;
}
.wrapper-toast .toast-item.success .toast-icon {
  background: url(../img/contact/icon-success.svg) no-repeat center / 100% 100%;
}
.wrapper-toast .toast-item.success .toast-text {
  color: #38b865;
}
.wrapper-toast .toast-item.error {
  border: 1px solid #eb5e12;
  background: #fff2eb;
}
.wrapper-toast .toast-item.error .toast-icon {
  background: url(../img/contact/icon-error.svg) no-repeat center / 100% 100%;
}
.wrapper-toast .toast-item.error .toast-text {
  color: #eb5e12;
}
.wrapper-toast .toast-item .toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 4px;
}
.wrapper-toast .toast-item .toast-text {
  line-height: 1.5;
}
.wrapper-toast .toast-item.active {
  display: flex;
}
.wrapper-form .form-item.files::before{
  content: '*';
  position: absolute;
  top: -17px;
  left: -16px;
  font-weight: 700;
  color: #f53f3f;
  font-size: 16px;
}
.form-item_content{
  width: 100%;
  position: relative;
}
.wrapper-form .form-file-item_error{
  display: none;
  position: absolute;
  bottom: 9px;
  font-size: 14px;
  color: #f65757;
}
@media (max-width: 768px) {
  .wrapper-form .form-file-item_error{
    font-size: 14px;
  }
  .main-1 {
    padding: 50rem 0 0;
  }
  .main-1 .container .img-box {
    width: 100%;
  }
  .main-1 .container .img-box img {
    width: 100%;
    height: auto;
    object-fit: cover;
  }
  .main-1 .container .title {
    font-size: 28rem;
    line-height: 43rem;
    margin: 30rem 0;
  }
  .main-1 .container .desc {
    max-width: 100%;
    font-size: 16rem;
    line-height: 29rem;
  }
  .main-1 .container .contact-path {
    margin-top: 30rem;
  }
  .main-1 .container .contact-path a {
    width: 40rem;
    height: 40rem;
    line-height: 40rem;
    margin: 0 5rem;
  }
  .main-1 .container .contact-path a:hover {
    transform: scale(1);
  }
  .main-1 .container .contact-path .iconfont {
    font-size: 25rem;
  }
  .wrapper-form {
    width: 100%;
    flex-direction: column;
    padding: 0 15rem;
    gap: 60rem;
    margin: 30rem auto;
  }
  .wrapper-form .form {
    width: 100%;
  }
  .wrapper-form .form-item {
    margin-bottom: 30rem;
  }
  .wrapper-form .form-item.between {
    flex-direction: column;
    justify-content: space-between;
    gap: 30rem;
  }
  .wrapper-form .form-item.files {
    border-radius: 8rem;
    border: 2rem dashed #00c398;
    padding: 0 20rem;
  }
  .wrapper-form .form-item.captcha {
    gap: 8rem;
  }
  .wrapper-form .form-item.captcha .form-item_input {
    width: 120rem;
  }
  .wrapper-form .form-item_label {
    font-size: 18rem;
    margin-bottom: 12rem;
  }
  .wrapper-form .form-item_label.required::before {
    left: -12rem;
  }
  .wrapper-form .form-item_input {
    font-size: 16rem;
    padding: 6rem 10rem;
    border-radius: 4rem;
    border: 1rem solid #c4c6c6;
  }
  .wrapper-form .form-item_select::before {
    top: 10rem;
    right: 10rem;
    width: 14rem;
    height: 14rem;
  }
  .wrapper-form .form-item_select .form-item_option {
    top: 40rem;
    padding: 8rem;
    border-radius: 4rem;
    border: 1rem solid #c4c6c6;
    box-shadow: 0 0 12rem 0 rgba(0, 0, 0, 0.12);
  }
  .wrapper-form .form-item_select .option-subitem {
    padding: 6rem 12rem;
    font-size: 16rem;
    border-radius: 4rem;
    margin-bottom: 4rem;
  }
  .wrapper-form .form-item_select .option-subitem::after {
    width: 18rem;
    height: 18rem;
  }
  .wrapper-form .form-item_select .option-subitem:hover {
    background: transparent;
  }
  .wrapper-form .form-item_select .option-subitem:hover::after {
    opacity: 0;
  }
  .wrapper-form .form-item_textarea {
    font-size: 16rem;
    padding: 6rem 10rem;
    border-radius: 4rem;
    border: 1rem solid #c4c6c6;
  }
  .wrapper-form .form .form-item_vcode {
    width: 100rem;
  }
  .wrapper-form .form .form-item_refresh {
    font-size: 16rem;
  }
  .wrapper-form .form .form-item_file {
    height: 46rem;
  }
  .wrapper-form .form .file-item {
    height: 46rem;
    gap: 10rem;
    margin-bottom: 5rem;
    border-bottom: 2rem dashed #00c398;
  }
  .wrapper-form .form .file-item_text {
    font-size: 14rem;
  }
  .wrapper-form .form .file-item_file,
  .wrapper-form .form .file-item_delete {
    width: 22rem;
    height: 22rem;
  }
  .wrapper-form .form-submit {
    gap: 8rem;
    border-radius: 12rem;
    padding: 12rem 32rem;
  }
  .wrapper-form .form-submit .icon-submit {
    width: 26rem;
    height: 26rem;
  }
  .wrapper-form .form-submit .submit-text {
    font-size: 20rem;
  }
  .wrapper-form .form-item_error {
    bottom: -18rem;
    font-size: 14rem;
  }
  .wrapper-form .help {
    width: 100%;
    border-radius: 8rem;
    padding: 20rem;
  }
  .wrapper-form .help-title {
    font-size: 26rem;
    margin-bottom: 40rem;
  }
  .wrapper-form .help-item {
    border-bottom: 1rem dashed #4e5969;
    padding-bottom: 40rem;
  }
  .wrapper-form .help-item_title {
    font-size: 20rem;
    margin-bottom: 12rem;
  }
  .wrapper-form .help-item_desc {
    padding-right: 20rem;
  }
  .wrapper-toast .toast-item {
    top: 5%;
    max-width: 300rem;
    gap: 8rem;
    padding: 6rem 12rem 8rem;
    border-radius: 2rem;
  }
  .wrapper-toast .toast-item.success {
    border: 1rem solid #38b865;
  }
  .wrapper-toast .toast-item.error {
    border: 1rem solid #eb5e12;
  }
  .wrapper-toast .toast-item .toast-icon {
    width: 20rem;
    height: 20rem;
    margin-top: 4rem;
  }
}
