.inner-content {
  width: 1280px;
  margin: 0 auto;
  margin-top: 51px;
}
.inner-content .inner-nav {
  width: 100%;
}
.inner-content .inner-nav ul {
  display: flex;
}
.inner-content .inner-nav ul li {
  padding: 0 11px;
  margin-right: 16px;
  position: relative;
}
.inner-content .inner-nav ul li::after {
  content: "";
  width: 0;
  height: 3px;
  background-color: #275bab;
  position: absolute;
  left: 0;
  bottom: -13px;
  transition: 0.5s;
}
.inner-content .inner-nav ul li a {
  font-size: 16px;
  line-height: 16px;
  color: #666666;
  transition: 0.5s;
}
.inner-content .inner-nav ul li.active::after {
  width: 100%;
}
.inner-content .inner-nav ul li.active a {
  color: #275bab;
}
.inner-content .inner-nav ul li:hover::after {
  width: 100%;
}
.inner-content .inner-nav ul li:hover a {
  color: #275bab;
}
.inner-content .box {
  width: 100%;
  margin-top: 76px;
  padding-bottom: 70px;
}
.inner-content .box .box-item .title {
  display: flex;
  font-size: 18px;
  font-weight: bold;
  line-height: 25px;
  color: #333333;
}
.inner-content .box .box-item .title img {
  width: 25px;
  margin-right: 12px;
}
.inner-content .box .box-item .list {
  width: 100%;
  display: flex;
  justify-content: start;
  flex-wrap: wrap;
  margin-top: 33px;
  margin-bottom: 52px;
}
.inner-content .box .box-item .list .item {
  width: 300px;
  height: 48px;
  background-color: #f0f7ff;
  box-shadow: 0px 10px 9px 1px rgba(4, 0, 0, 0.04);
  border-radius: 4px;
  border: solid 1px #e9f1ff;
  margin-bottom: 26px;
  margin-right: 24px;
}
.inner-content .box .box-item .list .item:nth-child(4n) {
  margin-right: 0;
}
.inner-content .box .box-item .list .item a {
  width: calc(100% - 40px);
  height: 100%;
  display: block;
  padding: 0 20px;
  font-size: 16px;
  line-height: 48px;
  color: #333333;
  text-align: center;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.inner-content .box .box-item .list .item:hover {
  border: solid 1px #275bab;
}
@media screen and (max-width: 768px) {
  .inner-content {
    width: 96%;
    margin: 0 auto;
    margin-top: 30px;
  }
  .inner-content .inner-nav {
    width: 100%;
    margin: 0 auto;
  }
  .inner-content .inner-nav ul {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .inner-content .inner-nav ul li {
    float: left;
    /* width: 202px; */
    height: 60px;
    color: #999;
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    width: 45%;
    padding: 0;
    box-sizing: border-box;
  }
  .inner-content .inner-nav ul li::after {
    content: "";
    width: 0;
    height: 3px;
    background-color: #275bab;
    position: absolute;
    left: 0;
    bottom: 0;
    transition: 0.5s;
  }
  .inner-content .inner-nav ul li a {
    font-size: 20px;
    line-height: 60px;
    color: #666666;
    display: block;
    padding: 0px;
    text-align: center;
  }
  .inner-content .box {
    width: 100%;
    margin-top: 37px;
    padding-bottom: 0;
  }
  .inner-content .box .box-item .list .item {
    width: calc(50% - 9px);
    height: 48px;
    background-color: #fff;
    box-shadow: 0px 10px 9px 1px rgba(4, 0, 0, 0.04);
    border-radius: 4px;
    border: solid 1px #e9f1ff;
    margin-bottom: 20px;
    margin-right: 14px;
  }
  .inner-content .box .box-item .list .item:nth-child(2n) {
    margin-right: 0;
  }
}