.inner-content {
  width: 1280px;
  margin: 0 auto;
  margin-top: 30px;
}
.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 {
  font-size: 16px;
  font-weight: bold;
  line-height: 16px;
  color: #275bab;
}
.inner-content .inner-nav ul li:hover a {
  font-size: 16px;
  font-weight: bold;
  line-height: 16px;
  color: #275bab;
}
.inner-content .box {
  width: calc(100% - 80px);
  margin-top: 37px;
  padding: 46px 40px 112px 40px;
  background-color: #fff;
}
@media screen and (max-width: 768px) {
  .inner-content {
    width: 100%;
    margin: 0 auto;
    margin-top: 30px;
  }
  .inner-content .inner-nav {
    width: 96%;
    margin: 0 auto;
  }
  .inner-content .inner-nav ul {
    display: flex;
    flex-wrap: wrap;
  }
  .inner-content .inner-nav ul li {
    line-height: 31px;
    display: inline-block;
    margin-right: 12px;
    /* padding: 0 17px; */
    position: relative;
    margin: 10px 10px 0 0px;
    border: none;
    padding: 0px 10px;
    width: 45%;
    box-sizing: border-box;
  }
  .inner-content .inner-nav ul li::after {
    width: 0 !important;
  }
  .inner-content .inner-nav ul li a {
    color: #666666;
    font-size: 16px;
    display: block;
    border: solid 1px #d9d9d9;
    padding: 0px;
    border-radius: 4px;
    height: 25px;
    text-align: center;
    line-height: 25px;
  }
  .inner-content .inner-nav ul li.active a {
    padding: 0;
    border: solid 1px #006699;
    background: #006699;
    color: #FFF;
    line-height: 25px;
  }
  .inner-content .inner-nav ul li:hover a {
    line-height: 25px;
  }
  .inner-content .box {
    width: calc(100% - 40px);
    margin-top: 37px;
    padding: 20px 20px 60px 20px;
    background-color: #fff;
  }
}