.tech_full {
  position: relative;
  display: block;
  background-image: url(../images/tech_bg.jpg);
  padding: 70px 0;
  text-align: center;
}

.tech_full .item {
  padding-right: 0;
  padding-left: 0;
}

@media(max-width:768px) {
  .tech_full .item {
    margin-bottom: 20px;
  }
}

.item1 .tech_top {
  position: relative;
  display: block;
  height: 5px;
  background-color: #e5657d;
}

.item2 .tech_top {
  position: relative;
  display: block;
  height: 5px;
  background-color: #ff8813;
}

.item3 .tech_top {
  position: relative;
  display: block;
  height: 5px;
  background-color: #409d70;
}

.item4 .tech_top {
  position: relative;
  display: block;
  height: 5px;
  background-color: #406abe;
}

.item {
  position: relative;
  display: inline-block;
  /*background-color: red;*/
}

.item1 {
  background-color: #e5657d;
}

.item2 {
  background-color: #ff8813;
}

.item3 {
  background-color: #409d70;
}

.item4 {
  background-color: #406abe;
}

.tech_word {
  padding: 10px 5px;
}

.tech_full .title {
  font-size: 1.2rem;
  font-weight: bold;
  color: #FFF;
  letter-spacing: 1px;
}

.line {
  position: relative;
  display: inline-block;
  color: #ffe554;
  background-color: #ffe554;
  width: 0;
  height: 1px;
  /* padding: 5px; */
  margin: 5px 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -o-transition: all 0.5s;
  -ms-transition: all 0.5s;
}

.tech_full .depart_name {
  font-size: 1rem;
  color: #FFF;
}

.img_box {
  position: relative;
  display: block;
}

.tech_full .img_box .mask {
  position: relative;
  display: block;
  overflow: hidden;
}

.tech_full .img_box img {
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -o-transition: all 0.5s;
  -ms-transition: all 0.5s;
}

.tech_full .tech_box .item a:hover .img_box img {
  transform: scale(1.05, 1.05);
}

.tech_full .tech_box .item a:hover .line {
  width: 100px;
}

@media(max-width:768px) {
  .line {
    margin: 0;
  }

  .tech_full .title {
    font-size: 1rem;
  }

  .tech_full .depart_name {
    font-size: 0.9rem;
  }
}

@media(max-width:415px){
  .col-xxs-12 {
   width: 100%;
   padding-right: 15px;
   padding-left: 15px;
 }
}