.main__container {
  /*margin-top: -20px;*/
  padding: 90px 0 70px;
}

.main__container>div {
  width: 1200px;
  margin: 0 auto;
}

/* banner */
.main-banner {
  width: 1200px;
  height: 380px;
  position: relative;
}

.main-banner>div {
  height: 100%;
}

.main-banner img {
  height: 100%;
  width: 100%;
}

.main-banner .title {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 50px;
  color: #fff;
}

/* // tab */
.main-tabs {
  width: 1200px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  padding: 20px 0;
  justify-content: space-evenly;
  align-items: center;
  background-color: #fff;
}

.main-tabs>div {
  flex: 1;
}

.main-tabs>div a {
  width: 100%;
  font-size: 16px;
  color: #333333;
  text-decoration: none;
}

.main-tabs>div:hover {
  cursor: pointer;
}

.main-tabs>div {
  border-right: 1px solid #dddddd;
}

.main-tabs .active a {
  color: #2d64e5;
}

/* // 内容 */
.content__container {
  background-color: #fff;
}

.content__container ul {
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
}

.content__container ul li {
  width: 254px;
  background: #fafafa;
  border-radius: 30px;
  border: 1px solid #e8e8e8;
  font-size: 14px;
  color: #333333;
  line-height: 25px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
  padding: 34px;
  position: relative;
  margin: 20px 18px;
  justify-content: center;
  text-align: center;
}

.content__container ul li:hover .mask {
  display: flex;
}

.content__container ul li img {
  width: 200px;
  /* height: 120px; */
  display: block;
  margin: 0 auto 10px;
}

.mask {
  display: none;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 30px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: absolute;
  left: 0;
  top: 0;
}

.mask>a {
  font-size: 16px;
  color: #ffffff;
  line-height: 19px;
  box-sizing: border-box;
  padding: 12px 50px;
  border: 1px solid #fff;
  margin: 12px;
  border-radius: 45px;
  text-decoration: none;
}

.mask>a:hover {
  background: #2d64e5 !important;
  color: #fff !important;
  border: 1px solid #2d64e5;
}