/* ################# section : board ################# */

.board {
  text-align: center;
}
.board-inner {
  width: 1300px;
  margin: 0 auto;
}
.board-content {}
.baord-content>div {
  width: 100%;
}
.board-pic {
  padding: 30px 0;
  border: 1px solid #ddd;
}
.board-info {
  padding-top: 60px;
}
.board-info h3 {
  font: inherit;
  font-size: 1.5em;
  color: #97BC62;
  font-weight: 700;
}
.board-info p {
  font: inherit;
  color: #666;
  margin-top: 30px;
}
.board-info span {
  font-weight: 700;
}

/* ################# section : iot ################# */

.iot{
  padding-top: 0px;
}
.iot-inner {
  width: 1200px;
  margin: 0 auto;
}
.iot-content{
  overflow: hidden;
  /* height: 600px; */
}
.iot-content>div {
  float: left;
  width: 50%;
}
.iot-pic {
}
.iot-pic img {
  width: 100%;
}

.iot-info {
  padding: 120px 40px;
}
.iot-info h3 {
  font: inherit;
  font-size: 2.4em;
  line-height: 1.7em;
  font-weight: 700;
}
.iot-info p {
  font: inherit;
  font-size: 1.2em;
  color: #666;
  margin-top: 30px;
}
.iot-info span {
  color: #97BC62;
  font-weight: 700;
}
/* ################# section : idc - graph ################# */

/* .idc_graph{
}
.idc_graph-inner {
  border: 1px solid black;
  width: 1300px;
  margin: 0 auto;
}
.idc_graph-content{
  overflow: hidden;
}
.idc_graph-content>div {
  float: left;
  width: 50%;
}
.graph-pic img{
  float: right;
}
.graph-info {
}
.graph-info h3 {
  font: inherit;
  font-size: 1.5em;
  color: #97BC62;
  font-weight: 700;
}
.graph-info p {
  font: inherit;
  font-size: 1em;
  color: #666;
  line-height: 1.4em;
} */

/* ################# section : idc_icon ################# */

.idc_icon {
  /* padding-top: 60px; */
}
.idc_icon-inner {
  width: 1300px;
  margin: auto;
}
.idc_icon-content {
  text-align: center;
}
.icon-headline {
  text-align: center;
  margin-bottom: 80px;
}
.icon-headline h3{
  font: inherit;
  font-size: 2em;
  font-weight: 700;
  color: #97BC62;
}
.icon-headline p{
  font: inherit;
  font-size: 1.2em;
}
.icon-item {
  margin-bottom: 60px;
  width: 32%;
  display: inline-block;
  padding: 0 60px;
  border-right: 2px solid #ddd;
}
.icon-item:nth-of-type(3),
.icon-item:nth-of-type(6) {
  border-right: none;
}
.icon-pic {
}
.icon-info {
  margin-top: -20px;
}
.icon-info h3{
  font: inherit;
  font-size: 1.2em;
  color: #97BC62;
  font-weight: 700;
}
.icon-info p {
  font: inherit;
  font-size: 1em;
  color: #666;
  margin: 0;
  line-height: 1.4em;
}

/* ################# section : api ################# */


.api {
  text-align: center;
  padding-bottom: 120px;
}
.api-inner {
  width: 1300px;
  margin: 0 auto;
}
.api-content {}
.api-content>div {
  width: 100%;
}
.api-pic {
  border: 1px solid #ddd;
  padding: 30px 0;
}
.api-info {
  padding: 60px 200px;
}
.api-info h3 {
  font: inherit;
  font-size: 1.5em;
  color: #97BC62;
  font-weight: 700;
}
.api-info p {
  font: inherit;
  color: #666;
  margin-top: 30px;
}

@media (max-width: 768px) {
  .board-inner {
    width: 100%;
  }
  .board-pic img {
    width: 100%;
  }
  .board-info {
    padding-top: 30px;
  }

  .iot-inner {
    width: 100%;
  }
  .iot-content>div {
    width: 100%;
  }
  .iot-info {
    padding: 30px 0;
    border-bottom: 2px solid #ddd;
  }
  .iot-info h3 {
    font: inherit;
    font-size: 1.6em;
    line-height: 1.7em;
    font-weight: 700;
  }
  .iot-info p {
    font: inherit;
    font-size: 1em;
    color: #666;
    margin-top: 10px;
  }
  .iot-info span {
    color: #97BC62;
    font-weight: 700;
  }

  .idc_icon-inner {
    width: 100%;
  }
  .idc_icon-content {
    display: block;
  }
  .icon-headline h3{
    font: inherit;
    font-size: 1.6em;
    font-weight: 700;
    color: #97BC62;
  }
  .icon-headline p{
    font: inherit;
    font-size: 1em;
  }
  .icon-item {
    /* text-align :center; */
    width: 45%;
    padding: 0 10px;
    border-right: none;
    margin-bottom: 40px;
  }
  .icon-info {
    font-size: 0.9em;
  }
  .icon-pic {
    width: 100%;
  }
  .icon-pic img {
    width: 100%;
  }

  .api-inner {
    width: 100%;
  }
  .api-pic img {
    width: 100%;
  }
  .api-info {
    padding: 30px 0;
  }
}

/* ################# section : history ################# */

.history {
  position: relative;
  overflow: hidden;
}
.history-inner {
  width: 768px;
  margin: auto;
}
.history-headline {
  background: url(../images/about_history.jpg) no-repeat;
  background-size: cover;
  background-position: center;
  padding: 100px 0;
  color: #fff;
  display: flex;
  justify-content: center;
  margin-bottom: 120px;
}
.history-title {
  width: 768px;
  display: flex;
  padding: 50px 0 0 0;
}
.history-title>.history-txt {
  margin-top: -50px;
}
.history-title>.history-icon {
  position: relative;
}
.history-title>.history-icon:after {
  content: '';
  position: absolute;
  height: 5000px;
  width: 3px;
  background-color: #97BC62;
  opacity: 0.5;
  top: 20px;;
  left: 35%;
}
.history-title span {
  font: inherit;
  font-size: 1.2em;
  font-weight: 400;
}
.history-title h3 {
  font: inherit;
  font-size: 2.5em;
  font-weight: 700;
  margin-top: 20px;
}
.history-title p {
  font: inherit;
  font-weight: 700;
}
.history-item {
  /* width: 100%; */
  padding: 50px 0px;
  display: flex;
}
.history-icon {
  width: 10%;
}
.history-txt {
  width: 90%;
  margin-top: 7px;
}
.history-item h3 {
  font: inherit;
  font-size: 1.5em;
  font-weight: 700;
}
.history-item p {
  font: inherit;
  line-height: 3em;
  color: #666;
  margin-top: 60px;
  margin-left: 30px;
}

@media (max-width: 768px) {
  .about_introduce-inner {
    width: 100%;
  }
  .introduce-title h3 {
    font-size: 1.4em;
  }
  .introduce-txt span {
    font-size: 1.2em;
  }
  .introduce-txt p {
    font-size: 0.9em;
  }

  .vision-inner {
    width: 100%;
  }
  .vision-content {
    display: block;
   }
  .vision-item {
    width: 100%;
    margin-top: 50px;
  }
  .history-inner {
    width: 100%;
    padding: 0 20px;
  }
  .history-icon,
  .history-title>.history-icon:after {
    display: none;
  }
  .history-headline {
    padding-left: 30px;
    margin-bottom: 60px;
    text-align: center;
  }
  .history-txt span {
    font-size: 1em;
  }
  .history-txt h3 {
    font-size: 2em;
  }
  .history-txt p {
    font-size: 1em;
  }
  .history-item {
    /* width: 100%; */
    padding: 30px 0px;
  }
  .history-item h3 {
    font-size: 1.5em;
  }
  .history-item p {
    font-size: 0.9em;
    line-height: 1.6em;
    margin-top: 30px;
  }
}

/* ################# section : company_list ################# */
.company_list{
  padding-top: 0px;
}
.company_list-inner {
  width: 1200px;
  margin: 0 auto;
}
.company_list-content{
  overflow: hidden;
  /* height: 600px; */
}
.company_list-title {
  text-align: center;
  font: inherit;
  font-size: 1.8em;
  font-weight: 700;
  margin-top: 20px;
}
.company_list ul {
  width: 100%;
  background-color: #ffffff;
  display: flex;
  justify-self: flex-start;
  flex-wrap: wrap;
  padding: 0;
}
.company_list li {
  width: 20%;
  height: 200px;
  display: flex;
  justify-content: center;
  align-items: center;
  /* border: 1px solid black; */
}
.company_list li img {
  /* height: 40px; */
  max-width: 140px;
}

@media (max-width: 768px) {
  .company_list-inner {
    width: 100%;
  }
  .company_list-title{
    font-size: 1.5em;
  }
  .company_list ul {
    overflow: scroll;
  }
  .company_list li {
    width: 50%;
    height: 200px;
    float: left;
    display: flex;
    justify-content: center;
    align-items: center;
    background: none;
    /* border: 1px solid black; */
  }
  .company_list li img {
    /* height: 40px; */
    max-width: 120px;
  }
  .company_list li {
    height: 120px;
  }
}