.map_bg {
  position: relative;
  width: 100%;
  max-width: 1280px;
  height: 750px;
  margin: 0 auto 30px;
  background: url(../img/map.png) no-repeat;
  background-size: cover;
  background-position-x: center;
}
.map_en_bg {
  position: relative;
  width: 100%;
  max-width: 1280px;
  height: 750px;
  margin: 0 auto 30px;
  background: url(../img/map_en.png) no-repeat;
  background-size: cover;
  background-position-x: center;
}
.point_area {
  position: absolute;
  width: 80px;
  height: 80px;
  -webkit-transition: opacity .5s ease-out;
  transition: opacity .5s ease-out;
}

.point_dot {
  position: absolute;
  width: 8px;
  height: 8px;
  margin: auto;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background-color: #1394ff;
  border-radius: 50%;
  background-clip: padding-box;
}

a {
  text-decoration: none;
}

.point_area .point {
  position: absolute;
  width: 100%;
  height: 100%;
}
.point_area .point:after {
  display: block;
  position: absolute;
  content: "";
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: 50%;
  border: 2px solid #1394ff;
  opacity: 0;
}

.point_10:after {
  animation: ripple 4.5s ease-out 225ms infinite;
}
.point_40:after {
  animation: ripple 4.5s ease-out .9s infinite;
}
.point_80:after {
  animation: ripple 4.5s ease-out 1.8s infinite;
}
.point_shadow:after {
  box-shadow: inset 0 0 5em rgb(19 71 255 / 16%);
}

@keyframes ripple{0%{opacity:0;-webkit-transform:scale(.1);transform:scale(.1)}5%{opacity:1}to{opacity:0;-webkit-transform:scale(1);transform:scale(1)}}