.wrap {
  position: relative;
  width: 100%;
  height: auto;
  background-image: linear-gradient(to right,#c3ae76, #c1ac75); 
  overflow: hidden;
}
.head {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 732px;
  overflow: hidden;
}

.head_bg {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
}

.head_bg .head_pic {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main {
  position: relative;
  z-index: 9;
  margin: -145px auto 0;
  padding-top: 80px;
  padding-bottom: 76px;
  max-width: 1200px;
  width: 100%;
  height: auto;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 20px;
}
.main .tabs-wrap{
    height: 50px;
    line-height: 50px;
}
.main h4 {
  width: 100%;
  height: auto;
  font-size: 34px;
  letter-spacing: 5px;
  color: #f1d1a5;
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
}
.main h4.active-tabs{
  font-size: 36px;
}
.main .i1 {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
.form {
  position: relative;
  z-index: 1;
  margin: 50px auto 0;
  max-width: 70.834%;
  width: 100%;
  height: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.fb {
  position: relative;
  width: 47.65%;
  min-height: 41px;
  margin-bottom: 42px;
  display: flex;
  justify-content: space-between;
}
.fb1{
    width: 100%;
    justify-content: flex-start;
}

.fb .fb-img {
  position: absolute;
  right: 15px;
  top: 18px;
  width: 14px;
  height: 8px;
}
.fb label {
  padding-right: 13px;
  width: 21.5%;
  line-height: 41px;
  text-align: right;
  letter-spacing: 2px;
  color: #ffe4b2;
  cursor: pointer;
  text-wrap: nowrap;
  flex-shrink: 0;
}
.fb1 label{
    width: 10%;
    flex-shrink: 0;
}
.fb label i{
  color: #dd0f17;
}
.fb label[for="teacher"],
.fb label[for="institution"] {
  letter-spacing: 0;
}
.fb input[type="text"],
.fb input[type="tel"] {
  display: block;
  padding-left: 15px;
  width: 78.5%;
  height: 100%;
  font-size: 16px;
  /*color: #ffe4b2;*/
  color: #333333;
  border-radius: 5px;
  background-color: rgba(255, 255, 255, 0.6);
}
.fb input[type="text"]::placeholder,
.fb input[type="tel"]::placeholder {
  font-size: 14px;
  /*color: #7a0f0e;*/
  color: #1d7a61;
}

/* 视频上传 */
.fb2 {
  position: relative;
  width: 100%;
  height: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.fb2#yy{
    display: none;
}
.fb2 .l {
  padding-right: 13px;
  width: 10%;
  height: auto;
  text-align: right;
  letter-spacing: 0;
  color: #ffe4b2;
  margin-bottom: 20px;
}
.fb2 .l i{
  color: red;
}
.fb2 .m {
  width: 90%;
  font-size: 16px;
  color: #fff;
  letter-spacing: 1px;
}
.fb2 .r {
  width: 90%;
  height: auto;
  display: flex;
  flex-wrap: wrap;
  margin-top: 20px;
}
.fb2 .r li {
  width: 22.539%;
  height: auto;
  overflow: hidden;
  margin-right: 20px;
}
.fb2 .r .lib {
  position: relative;
  width: 100%;
  height: auto;
  padding-bottom: 74.173%;
  background-color: rgba(162, 80, 56, 0.8);
  border-radius: 5px;
}
.fb2 .r .required{
    color: #dd0f17;
}
.fb2 .r .pc4 {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24.138%;
  height: auto;
}
.fb2 .r .pc5 {
  display: none;
  position: absolute;
  z-index: 200000;
  top: 5px;
  right: 5px;
  width: 20px;
  height: 20px;
}
.fb2 .r input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  opacity: 0;
  width: 100%;
  height: 100%;
}
.fb2 .r .video,
.fb2 .r .audio{
  display: none;
  position: absolute;
  z-index: 100;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 100%;
  max-height: 100%;
  border-radius: 5px;
}
.fb2 .r .li-img {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 100%;
  max-height: 100%;
  border-radius: 5px;
}
.fb2 .r p {
  width: 100%;
  height: 50px;
  font-size: 16px;
  line-height: 50px;
  color: #d9b079;
  text-align: center;
}
.footerWrap{
    justify-content: center;
    margin: 35px auto 0;
}
.btn {
  display: block;
  width: 303px;
  height: 83px;
  font-size: 25px;
  color: #772c20;
  font-weight: 700;
  background-color: #f1d1a5;
  border-radius: 10px;
}
@media screen and (max-width: 1200px) and (min-width: 751px) {
  .head {
    height: auto;
    padding-bottom: 61%;
    background-size: 100% 100%;
  }
  .main {
    padding-bottom: 6.334%;
  }
}
@media screen and (max-width: 1200px) and (min-width: 992px) {
  .main {
    margin: -12% auto 0;
    padding-top: 10%;
  }
  .main .tabs-wrap{
    height: 45px;
    line-height: 45px;
  }
  .main h4 {
    font-size: 30px;
  }
  .main h4.active-tabs {
    font-size: 32px;
  }
  .form_tips{
    font-size: 30px;
  }
  .form {
    max-width: 80%;
  }
  .fb.web{
      display: none;
  }
  .fb label {
    width: 21%;
  }
  .fb1 label{
      width: 10%;
  }
  .fb input[type="text"],
  .fb input[type="tel"],
  .fb .fb-radio {
    width: 79%;
  }
  .fbg {
    width: 79%;
  }
  .fb2 {
    justify-content: flex-start;
  }
  .fb2 .l {
    width: 12%;
  }
  .fb2 .m {
    width: 88%;
  }
  .fb2 .r {
    margin-left: 10%;
    width: 90%;
  }
  .btn {
    width: 260px;
  }
  .popup-btn{
      width: 260px;
  }
}
@media screen and (max-width: 991px) and (min-width: 751px) {
  .main {
    margin: -12% auto 0;
    padding-top: 10%;
  }
  .main .tabs-wrap{
    height: 40px;
    line-height: 40px;
  }
  .main h4 {
    font-size: 26px;
  }
  .main h4.active-tabs {
    font-size: 28px;
  }
  .form_tips{
    font-size: 28px;
  }
  .main .i1 {
    width: 150%;
    height: auto;
  }
  .form {
    max-width: 88%;
    margin-top: 40px;
  }
  .fb.web{
      display: none;
  }
  .fb label {
    padding-right: 10px;
    width: 28%;
  }
  .fb1 label{
      width: 11%;
  }
  .fb input[type="text"],
  .fb input[type="tel"]
  .fb .fb-radio {
    width: 72%;
  }
  .fbg {
    width: 72%;
  }
  .fb2 {
    justify-content: flex-start;
  }
  .fb2 .l {
    padding-right: 10px;
    width: 14%;
  }
  .fb2 .m {
    width: 86%;
  }
  .fb2 .r {
    margin-left: 13%;
    width: 87%;
  }
  .btn {
    margin-top: 20px;
    width: 200px;
    height: 70px;
    font-size: 23px;
    letter-spacing: 3px;
  }
}
@media screen and (max-width: 750px) {
  .head {
    width: 100%;
    height: auto;
    padding-bottom: 59.3%;
  }
  .form_tips_wrap{
    width: 100%;
    height: calc(100vh);
  }
  .form_tips{
      width: 100%;
      text-align: center;
      font-size: 5.2875vw;
      color: #f1d1a5;
  }
  .main {
    width: 92%;
    margin: -14.5% auto 23px;
    padding-top: 10%;
    padding-bottom: 0%;
  }
  .main h4 {
    font-size: 4.6875vw;
  }
  .main h4.active-tabs {
    font-size: 5.2875vw;
  }
  .main .i1 {
    display: none;
  }
  .form {
    margin-top: 30px;
    max-width: 91.3%;
    padding-bottom: 35px;
  }
  .fb {
    width: 100%;
    margin-bottom: 25px;
  }
  .fb.web{
      display: none;
  }
  .fb label {
    padding-right: 0;
    width: 28%;
    text-align: center;
  }
  .fb .fb-radio,
  .fb input[type="text"],
  .fb input[type="tel"] {
    width: 72%;
    font-size: 15px;
  }
  .fb2 {
    justify-content: flex-start;
  }
  .fb2 .l {
    padding-right: 0;
    width: 29%;
    text-align: center;
  }
  .fb2 .m {
    width: 71%;
    padding-left: 5px;
    font-size: 14px;
    line-height: 20px;
    text-align: justify;
    margin-bottom: 20px;
  }
  .fb2 .r {
    width: 100%;
    margin-left: 28%;
  }
  .fb2 .r li {
    width: 46%;
    margin-right: 10px;
  }
  .fb2 .r li:nth-child(2n){
      margin-right: 0;
  }
  .fb2 .r p {
    font-size: 14px;
    height: 40px;
    line-height: 40px;
  }
  .btn {
    width: 100%;
    height: 2.5em;
    font-size: 5.208vw;
    margin-top: 10px;
  }
  .fb1{
      width: 100%;
      height: auto;
  }
  .fb1 label{
      line-height: 1.2em;
  }
  .fb input[type="text"].group-input{
      height: 41px;
      width: 100%;
      margin-top: 10px;
  }
  .fb1 .fb-img{
      top: 48px;
  }
  .footerWrap{
      width: 60%;
      display: block;
  }
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.form-col {
    flex: 1;
    min-width: 250px;
}

.remove-img {
    position: absolute;
    top: 5px;
    right: 5px;
    background: #ff4d4f;
    color: white;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    font-size: 14px;
    cursor: pointer;
    z-index: 10;
    display: none;
}