.top {
  width: 100%;
}
.top img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}
.sx-xian {
  width: 70px;
  height: 3px;
  background-color: pink;
  margin: 0 auto;
  display: block;
}
.sx-title {
  width: 100%;
  text-align: center;
  font-size: 24px;
  margin-top: 50px;
  font-weight: bold;
}
.sx-title span {
  font-size: 14px;
  font-weight: bold;
  font-weight: normal;
  color: #666;
}
.sx-about {
  width: 1200px;
  margin-top: 150px;
  margin: 0 auto;
  margin-bottom: 50px;
}
.sx-about .about-con {
  width: 100%;
  margin-top: 50px;
}
.sx-about .about-con .ab-left {
  width: 400px;
  display: inline-block;
  padding-top: 30px;
}
.sx-about .about-con .ab-left img {
  width: 100%;
}
.sx-about .about-con .ab-right {
  width: calc(100% - 440px);
  display: inline-block;
  padding: 20px;
  line-height: 30px;
  vertical-align: top;
  color: #666;
}
.sx-about .ab-button {
  width: 100%;
  text-align: center;
  margin-top: 100px;
}
.sx-about .ab-button button {
  background-color: #fff;
  border: 2px solid orangered;
  border-radius: 100px;
  padding: 10px 30px;
  color: #666;
  cursor: pointer;
}
.sx-tablist {
  width: 1200px;
  margin: 0 auto;
}
.sx-tablist .item-list {
  width: 100%;
  padding-left: 70px;
  margin-top: 30px;
  margin-bottom: 50px;
  display: inline-block;
}
.sx-tablist .item-list .sx-list {
  width: calc(25% - 20px);
  padding: 10px;
  position: relative;
  display: inline-block;
}
.sx-tablist .item-list .sx-list img {
  width: 100%;
  height: 220px;
  cursor: pointer;
  object-fit: cover;
}
.sx-tablist .item-list .sx-list .sx-dis {
  display: none;
  width: calc(100% - 20px);
  height: 220px;
  background: rgba(0, 0, 0, 0.6);
  line-height: 220px;
  text-align: center;
  color: #fff;
  top: 10px;
  z-index: 1;
  position: absolute;
}
.sx-tablist .item-list .sx-list .sx-dis a {
  color: #fff;
}
.sx-tablist .item-list .sx-list .sx-dis a span {
  border-bottom: 3px solid #fff;
}