#container {
  padding-top: var(--v3-navigationbar-height);
}

#cooperation {
  width: var(--v3-content-width);
  min-height: 900px;
  background: #ffffff;
  border-radius: 8px;
  margin: 44px auto;
  color: var(--v3-base-text-color);
  padding: 35px 41px;
  position: relative;
}

#cooperation::before {
  width: 8px;
  height: 125px;
  background: #ff773e;
  border-radius: 0 100px 100px 0;
  content: " ";
  position: absolute;
  left: 0;
  top: 32px;
}

@media screen and (max-width: 768px) {
  #cooperation {
      padding: 20px 12px;
      width: 95%;
      margin-top: 34px;
  }

  #cooperation::before {
    width: 4px;
    height: 80px;
  }
}

/*----------------------------------------*/
#form .ctrl-grp {
  padding: 10px 0;
  
  display: flex;
}

#form .ctrl-grp .label {
  width: 135px;
  text-align: right;
  padding-right: 20px;
  line-height: 2;
}

#form .ctrl-grp.required .label::before {
  content: "*";
  color: orangered;
  padding-right: 3px;
}

#form .ctrl-grp .ctrl {
  flex: 1;
}

#form .ctrl-grp .ctrl input[type="text"] {
  width: 100%;
}

#form .ctrl-grp .e-tip {
  color: orangered;
  padding-top: 3px;
}

/*----------------------------*/
.btn {
  display: inline-block;
  border-radius: 3px;
  padding: 5px 10px;
  border: 1px solid;
}

.btn:hover {
  opacity: .8;
}

.btn.btn-default {
  background-color: #FFF;
  border-color: #409EFF;
  color: #000;
}

.btn.btn-primary {
  background-color: #409EFF;
  border-color: #409EFF;
  color: #FFF;
}

.btn.btn-danger {
  background-color: orangered;
  border-color: orangered;
  color: #FFF;
}

.btn.btn-disabled {
  opacity: .5;
  cursor: not-allowed;
}

/*----------------------------*/
input[type=text], select {
  padding: 5px;
  line-height: 1.1;
  color: #606266;
  border: 1px solid #DCDFE6;
  border-radius: 4px;
  height: 32px;
}