#main {
  padding-top: 60px;
  padding-bottom: 100px;
}
#main .big-img {
  width: 100%;
  line-height: 0;
}
#main .big-img img {
  width: 100%;
  height: calc(100vw / 4.5);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav li {
  width: 250px;
  height: 65px;
  line-height: 65px;
  text-align: center;
  border-right: 1px solid #FDFDFD;
  cursor: pointer;
  color: #3A3939;
  font-size: 18px;
  background: #F1F1F1;    margin-top: 35px;
}
.nav li:last-child {
  border-right: none;
}
.nav li a {
  display: block;
}
.nav li:hover,
.nav li.active {
  background-color: #D22427;
}
.nav li:hover a,
.nav li.active a {
  color: #fff;
}
.title {
  color: #3A3939;
  display: flex;
  align-items: center;
  justify-content: center;
}
.title i {
  width: 59px;
  height: 1px;
  background: #3A3939;
}
.title h2 {
  font-size: 31px;
  font-weight: bold;
  margin: 0 9px;
}
.about-main {
  margin-top: 60px;
  padding-bottom: 50px;
}
.about-main .first {
  margin: 53px 0 20px;
  color: #3A3939;
  font-size: 16px;
  /* text-align: center; */
  line-height: 2;
}
.about-main .row {
  margin-top: 50px;
  display: flex;
  justify-content: space-between;
}
.about-main .col {
  width: calc(100%  / 3);
  margin: 18px 18px 0;
  padding-bottom: 20px;
  color: #4F4F4F;
  font-size: 14px;
  border-right: 1px solid #ccc;
  display: flex;
  flex-direction: column;
  /*padding: 0 30px;*/
  align-items: center;
  /* justify-content: center; */
}
.about-main .col:last-child {
  border-right: 0;
}
.about-main .col p {
  margin: 12px 0 0;
}
.about-main .col h3 {
  color: #3A3939;
  font-size: 20px;
  font-weight: bold;
  position: relative;
  text-align: center;
}
/* .about-main .col h3::before {
  display: inline-block;
  content: '';
  margin: 0 12px 0 12px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #D22427;
} */
/* .about-main .col .mission::before {
  background: #D22427;
} */
.fs19 {
  font-size: 19px;
}
.fs16 {
  font-size: 16px;
}
.project {
  color: #3A3939;
  font-size: 23px;
  margin: 29px 0 24px;
}
.project-info {
  margin-top: 5px;
  color: #4F4F4F;
  font-size: 14px;
  line-height: 23px;
}


.about_synopsis .wrapper {
  width: calc(186px * 5);
}